bhyve tty / login problems / panic

Neel Natu neelnatu at gmail.com
Sun Mar 31 04:03:49 UTC 2013


Hi Dan,

On Sat, Mar 30, 2013 at 12:17 PM, Dan Mack <mack at macktronics.com> wrote:

> Here you go:
>
>  - uni-processor output:
>
>
> root at olive:~ # bhyvectl --vm=coco --get-stats --cpu=0
> vcpu0
> vm exits due to external interrupt              1330
> number of times hlt was intercepted             676
> number of times %cr access was intercepted      1
> number of times rdmsr was intercepted           0
> number of times wrmsr was intercepted           4
> number of monitor trap exits                    0
> number of times pause was intercepted           428499
> vm exits due to interrupt window opening        1231
> vm exits due to nmi window opening              0
> number of times in/out was intercepted          423985
> number of times cpuid was intercepted           22
> vm exits due to nested page fault               7523
> number of vm exits for unknown reason           0
> number of times astpending at exit              38
> number of vm exits handled in userspace         853290
>
> number of NMIs delivered to vcpu                0
> vcpu total runtime                              6954314530
> number of ticks vcpu was idle                   59572
> vcpu migration across host cpus                 29
>
> number of times hlt was ignored                 0
> total number of vm exits                        863271
>
> And here is when running with vcpu==2:
>
>
> root at olive:~ # bhyvectl --vm=coco --get-stats --cpu=0
> vcpu0
> vm exits due to external interrupt              19234
> number of times hlt was intercepted             1965
> number of times %cr access was intercepted      1
> number of times rdmsr was intercepted           0
> number of times wrmsr was intercepted           4
> number of monitor trap exits                    0
> number of times pause was intercepted           3907709
> vm exits due to interrupt window opening        8105
> vm exits due to nmi window opening              0
> number of times in/out was intercepted          457998
> number of times cpuid was intercepted           50
> vm exits due to nested page fault               940909
> number of vm exits for unknown reason           0
> number of times astpending at exit              102
> number of vm exits handled in userspace         4367825
>
> number of NMIs delivered to vcpu                0
> vcpu total runtime                              51834598990
> number of ticks vcpu was idle                   887
> vcpu migration across host cpus                 25
>
> number of times hlt was ignored                 0
> total number of vm exits                        5335975
>
> root at olive:~ # bhyvectl --vm=coco --get-stats --cpu=1
> vcpu1
> vm exits due to external interrupt              51249
> number of times hlt was intercepted             3676
> number of times %cr access was intercepted      2
> number of times rdmsr was intercepted           0
> number of times wrmsr was intercepted           4
> number of monitor trap exits                    0
> number of times pause was intercepted           4667527
> vm exits due to interrupt window opening        32453
> vm exits due to nmi window opening              0
> number of times in/out was intercepted          57278
> number of times cpuid was intercepted           63
> vm exits due to nested page fault               266091
> number of vm exits for unknown reason           0
> number of times astpending at exit              164
> number of vm exits handled in userspace         4728481
>
> number of NMIs delivered to vcpu                0
> vcpu total runtime                              53833466076
> number of ticks vcpu was idle                   965
> vcpu migration across host cpus                 16
>
> number of times hlt was ignored                 0
> total number of vm exits                        5078343
>
> The panic comes eventually like this:
>
> login: panic: deadlkres: possible deadlock detected for
> 0xfffffe0090fb5490, blocked for 217798 ticks
>
> cpuid = 0
> Uptime: 255d6h29m56s
> Automatic reboot in 15 seconds - press a key on the console to abort
>
>
Thanks for capturing that.

In the SMP case the aberrant source of VM exits is the nested page table
faults - which means local apic accesses since these are being entirely
handled in the kernel. They are an order of magnitude more than in the UP
case - even after adjusting for the difference in the run times in the two
cases.

Also, the uptime message (255d6h29m56s) is indicates something funky
happening with the time keeping.

I have added one more stat to vmm.ko that counts the number of times a
local apic timer interrupt is generated for each vcpu.

Also, I would like to install your release.iso if you are able to upload
it. I very much doubt, it but want to rule out those specific bits as the
source of the problem.

Thanks again for helping to debug this.

best
Neel


>
> Hope this helps, and FYI, here's a dmesg from the host:
>
>
> Copyright (c) 1992-2013 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>         The Regents of the University of California. All rights reserved.
> FreeBSD is a registered trademark of The FreeBSD Foundation.
> FreeBSD 10.0-CURRENT #7 r248935: Sat Mar 30 13:19:43 CDT 2013
>     root at olive.example.com:/usr/**obj/usr/src/sys/MACKGEN amd64
>
> FreeBSD clang version 3.2 (tags/RELEASE_32/final 170710) 20121221
> CPU: Intel(R) Core(TM) i7-3930K CPU @ 3.20GHz (3200.19-MHz K8-class CPU)
>
>   Origin = "GenuineIntel"  Id = 0x206d7  Family = 0x6  Model = 0x2d
> Stepping = 7
>
> Features=0xbfebfbff<FPU,VME,**DE,PSE,TSC,MSR,PAE,MCE,CX8,**
> APIC,SEP,MTRR,PGE,MCA,CMOV,**PAT,PSE36,CLFLUSH,DTS,ACPI,**
> MMX,FXSR,SSE,SSE2,SS,HTT,TM,**PBE>
>
> Features2=0x1fbee3bf<SSE3,**PCLMULQDQ,DTES64,MON,DS_CPL,**
> VMX,EST,TM2,SSSE3,CX16,xTPR,**PDCM,PCID,DCA,SSE4.1,SSE4.2,**
> x2APIC,POPCNT,TSCDLT,AESNI,**XSAVE,OSXSAVE,AVX>
>   AMD Features=0x2c100800<SYSCALL,**NX,Page1GB,RDTSCP,LM>
>   AMD Features2=0x1<LAHF>
>   TSC: P-state invariant, performance statistics
> real memory  = 68719476736 (65536 MB)
> avail memory = 63123800064 (60199 MB)
> Event timer "LAPIC" quality 600
> ACPI APIC Table: <INTEL  DX79SI  >
> FreeBSD/SMP: Multiprocessor System Detected: 12 CPUs
> FreeBSD/SMP: 1 package(s) x 6 core(s) x 2 SMT threads
>
>  cpu0 (BSP): APIC ID:  0
>  cpu1 (AP): APIC ID:  1
>  cpu2 (AP): APIC ID:  2
>  cpu3 (AP): APIC ID:  3
>  cpu4 (AP): APIC ID:  4
>  cpu5 (AP): APIC ID:  5
>  cpu6 (AP): APIC ID:  6
>  cpu7 (AP): APIC ID:  7
>  cpu8 (AP): APIC ID:  8
>  cpu9 (AP): APIC ID:  9
>  cpu10 (AP): APIC ID: 10
>  cpu11 (AP): APIC ID: 11
> ioapic1 <Version 2.0> irqs 24-47 on motherboard
> ioapic0 <Version 2.0> irqs 0-23 on motherboard
> lapic0: Forcing LINT1 to edge trigger
> kbd1 at kbdmux0
> acpi0: <INTEL DX79SI> on motherboard
> acpi0: Power Button (fixed)
> acpi0: reservation of f0000000, 18000000 (3) failed
> cpu0: <ACPI CPU> on acpi0
> cpu1: <ACPI CPU> on acpi0
> cpu2: <ACPI CPU> on acpi0
> cpu3: <ACPI CPU> on acpi0
> cpu4: <ACPI CPU> on acpi0
> cpu5: <ACPI CPU> on acpi0
> cpu6: <ACPI CPU> on acpi0
> cpu7: <ACPI CPU> on acpi0
> cpu8: <ACPI CPU> on acpi0
> cpu9: <ACPI CPU> on acpi0
> cpu10: <ACPI CPU> on acpi0
> cpu11: <ACPI CPU> on acpi0
> atrtc0: <AT realtime clock> port 0x70-0x71,0x74-0x77 irq 8 on acpi0
>
> Event timer "RTC" frequency 32768 Hz quality 0
> attimer0: <AT timer> port 0x40-0x43,0x50-0x53 irq 0 on acpi0
> Timecounter "i8254" frequency 1193182 Hz quality 0
> Event timer "i8254" frequency 1193182 Hz quality 100
> hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed03fff on acpi0
> Timecounter "HPET" frequency 14318180 Hz quality 950
> Event timer "HPET" frequency 14318180 Hz quality 350
> Event timer "HPET1" frequency 14318180 Hz quality 340
> Event timer "HPET2" frequency 14318180 Hz quality 340
> Event timer "HPET3" frequency 14318180 Hz quality 340
> Event timer "HPET4" frequency 14318180 Hz quality 340
> Event timer "HPET5" frequency 14318180 Hz quality 340
> Event timer "HPET6" frequency 14318180 Hz quality 340
> Event timer "HPET7" frequency 14318180 Hz quality 340
>
> Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
> acpi_button0: <Sleep Button> on acpi0
>
> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
> pci0: <ACPI PCI bus> on pcib0
> pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
> pci1: <ACPI PCI bus> on pcib1
> pcib2: <ACPI PCI-PCI bridge> at device 1.1 on pci0
> pci2: <ACPI PCI bus> on pcib2
> xhci0: <NEC uPD720200 USB 3.0 controller> mem 0xe3400000-0xe3401fff irq 16
> at device 0.0 on pci2
> usbus0: waiting for BIOS to give up control
> xhci0: 32 byte context size.
> usbus0 on xhci0
> pcib3: <ACPI PCI-PCI bridge> at device 2.0 on pci0
> pci3: <ACPI PCI bus> on pcib3
> vgapci0: <VGA-compatible display> port 0x3000-0x307f mem
> 0xe2000000-0xe2ffffff,**0xd0000000-0xdfffffff,**0xe0000000-0xe1ffffff irq
> 16 at device 0.0 on pci3
> pci3: <multimedia, HDA> at device 0.1 (no driver attached)
> pcib4: <ACPI PCI-PCI bridge> at device 3.0 on pci0
> pci4: <ACPI PCI bus> on pcib4
> pci0: <base peripheral> at device 5.0 (no driver attached)
> pci0: <base peripheral> at device 5.2 (no driver attached)
> pcib5: <ACPI PCI-PCI bridge> at device 17.0 on pci0
> pci5: <ACPI PCI bus> on pcib5
> pci0: <simple comms> at device 22.0 (no driver attached)
> em0: <Intel(R) PRO/1000 Network Connection 7.3.7> port 0x4040-0x405f mem
> 0xe3500000-0xe351ffff,**0xe3521000-0xe3521fff irq 20 at device 25.0 on
> pci0
> em0: Using an MSI interrupt
> em0: Ethernet address: 4c:72:b9:d1:b2:d2
> ehci0: <EHCI (generic) USB 2.0 controller> mem 0xe3601000-0xe36013ff irq
> 16 at device 26.0 on pci0
> usbus1: EHCI version 1.0
> usbus1 on ehci0
> pcib6: <ACPI PCI-PCI bridge> at device 28.0 on pci0
> pci6: <ACPI PCI bus> on pcib6
> pcib7: <ACPI PCI-PCI bridge> at device 28.2 on pci0
> pci7: <ACPI PCI bus> on pcib7
> pci7: <serial bus, FireWire> at device 0.0 (no driver attached)
> pcib8: <ACPI PCI-PCI bridge> at device 28.3 on pci0
> pci8: <ACPI PCI bus> on pcib8
> xhci1: <NEC uPD720200 USB 3.0 controller> mem 0xe3200000-0xe3201fff irq 19
> at device 0.0 on pci8
> usbus2: waiting for BIOS to give up control
> xhci1: 32 byte context size.
> usbus2 on xhci1
> pcib9: <ACPI PCI-PCI bridge> at device 28.5 on pci0
> pci9: <ACPI PCI bus> on pcib9
> em1: <Intel(R) PRO/1000 Network Connection 7.3.7> port 0x1000-0x101f mem
> 0xe3100000-0xe311ffff,**0xe3120000-0xe3123fff irq 17 at device 0.0 on pci9
> em1: Using MSIX interrupts with 3 vectors
> em1: Ethernet address: 4c:72:b9:d1:b2:d3
> ehci1: <EHCI (generic) USB 2.0 controller> mem 0xe3602000-0xe36023ff irq
> 23 at device 29.0 on pci0
> usbus3: EHCI version 1.0
> usbus3 on ehci1
> pcib10: <ACPI PCI-PCI bridge> at device 30.0 on pci0
> pci10: <ACPI PCI bus> on pcib10
> isab0: <PCI-ISA bridge> at device 31.0 on pci0
> isa0: <ISA bus> on isab0
> ahci0: <Intel Patsburg AHCI SATA controller> port
> 0x4068-0x406f,0x4074-0x4077,**0x4060-0x4067,0x4070-0x4073,**0x4020-0x403f
> mem 0xe3523000-0xe35237ff irq 18 at device 31.2 on pci0
> ahci0: AHCI v1.30 with 6 6Gbps ports, Port Multiplier not supported
> ahcich0: <AHCI channel> at channel 0 on ahci0
> ahcich1: <AHCI channel> at channel 1 on ahci0
> ahcich2: <AHCI channel> at channel 2 on ahci0
> ahcich3: <AHCI channel> at channel 3 on ahci0
> ahcich4: <AHCI channel> at channel 4 on ahci0
> ahcich5: <AHCI channel> at channel 5 on ahci0
> ahciem0: <AHCI enclosure management bridge> on ahci0
> pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
> orm0: <ISA Option ROMs> at iomem 0xd1000-0xd1fff,0xd2000-**0xd2fff on isa0
> sc0: <System console> at flags 0x100 on isa0
> sc0: VGA <16 virtual consoles, flags=0x300>
> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
> atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
> atkbd0: <AT Keyboard> irq 1 on atkbdc0
> kbd0 at atkbd0
> atkbd0: [GIANT-LOCKED]
> ppc0: cannot reserve I/O port range
> est0: <Enhanced SpeedStep Frequency Control> on cpu0
> p4tcc0: <CPU Frequency Thermal Control> on cpu0
> est1: <Enhanced SpeedStep Frequency Control> on cpu1
> p4tcc1: <CPU Frequency Thermal Control> on cpu1
> est2: <Enhanced SpeedStep Frequency Control> on cpu2
> p4tcc2: <CPU Frequency Thermal Control> on cpu2
> est3: <Enhanced SpeedStep Frequency Control> on cpu3
> p4tcc3: <CPU Frequency Thermal Control> on cpu3
> est4: <Enhanced SpeedStep Frequency Control> on cpu4
> p4tcc4: <CPU Frequency Thermal Control> on cpu4
> est5: <Enhanced SpeedStep Frequency Control> on cpu5
> p4tcc5: <CPU Frequency Thermal Control> on cpu5
> est6: <Enhanced SpeedStep Frequency Control> on cpu6
> p4tcc6: <CPU Frequency Thermal Control> on cpu6
> est7: <Enhanced SpeedStep Frequency Control> on cpu7
> p4tcc7: <CPU Frequency Thermal Control> on cpu7
> est8: <Enhanced SpeedStep Frequency Control> on cpu8
> p4tcc8: <CPU Frequency Thermal Control> on cpu8
> est9: <Enhanced SpeedStep Frequency Control> on cpu9
> p4tcc9: <CPU Frequency Thermal Control> on cpu9
> est10: <Enhanced SpeedStep Frequency Control> on cpu10
> p4tcc10: <CPU Frequency Thermal Control> on cpu10
> est11: <Enhanced SpeedStep Frequency Control> on cpu11
> p4tcc11: <CPU Frequency Thermal Control> on cpu11
> ZFS filesystem version: 5
> ZFS storage pool version: features support (5000)
> Timecounters tick every 1.000 msec
> usbus0: 5.0Gbps Super Speed USB v3.0
> usbus1: 480Mbps High Speed USB v2.0
> usbus2: 5.0Gbps Super Speed USB v3.0
> usbus3: 480Mbps High Speed USB v2.0
> ugen1.1: <Intel> at usbus1
> uhub0: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1
> ugen0.1: <0x1033> at usbus0
> uhub1: <0x1033 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0
> ugen3.1: <Intel> at usbus3
> uhub2: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3
> ugen2.1: <0x1033> at usbus2
> uhub3: <0x1033 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus2
> ses0 at ahciem0 bus 0 scbus6 target 0 lun 0
> ses0: <AHCI SGPIO Enclosure 1.00 0001> SEMB S-E-S 2.00 device
> ses0: SEMB SES Device
> ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
> ada0: <OCZ-VERTEX4 1.5> ATA-9 SATA 3.x device
> ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes)
> ada0: Command Queueing enabled
> ada0: 122104MB (250069680 512 byte sectors: 16H 63S/T 16383C)
> ada0: Previously was known as ad4
> ada1 at ahcich1 bus 0 scbus1 target 0 lun 0
> ada1: <INTEL SSDSC2CW120A3 400i> ATA-9 SATA 3.x device
> ada1: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes)
> ada1: Command Queueing enabled
> ada1: 114473MB (234441648 512 byte sectors: 16H 63S/T 16383C)
> ada1: Previously was known as ad6
> ada2 at ahcich2 bus 0 scbus2 target 0 lun 0
> ada2: <Hitachi HUS724020ALE640 MJ6OA3B0> ATA-8 SATA 3.x device
> ada2: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> ada2: Command Queueing enabled
> ada2: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C)
> ada2: Previously was known as ad8
> ada3 at ahcich3 bus 0 scbus3 target 0 lun 0
> ada3: <Hitachi HUS724020ALE640 MJ6OA3B0> ATA-8 SATA 3.x device
> ada3: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> ada3: Command Queueing enabled
> ada3: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C)
> ada3: Previously was known as ad10
> ada4 at ahcich4 bus 0 scbus4 target 0 lun 0
> ada4: <Hitachi HUS724020ALE640 MJ6OA3B0> ATA-8 SATA 3.x device
> ada4: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> ada4: Command Queueing enabled
> ada4: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C)
> ada4: Previously was known as ad12
> ada5 at ahcich5 bus 0 scbus5 target 0 lun 0
> ada5: <Hitachi HUS724020ALE640 MJ6OA3B0> ATA-8 SATA 3.x device
> ada5: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> ada5: Command Queueing enabled
> ada5: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C)
> ada5: Previously was known as ad14
> lapic1: Forcing LINT1 to edge trigger
>
> SMP: AP CPU #1 Launched!
> lapic4: Forcing LINT1 to edge trigger
> SMP: AP CPU #4 Launched!
> lapic11: Forcing LINT1 to edge trigger
> SMP: AP CPU #11 Launched!
> lapic7: Forcing LINT1 to edge trigger
> SMP: AP CPU #7 Launched!
> lapic5: Forcing LINT1 to edge trigger
> SMP: AP CPU #5 Launched!
> lapic9: Forcing LINT1 to edge trigger
> SMP: AP CPU #9 Launched!
> lapic2: Forcing LINT1 to edge trigger
> SMP: AP CPU #2 Launched!
> lapic3: Forcing LINT1 to edge trigger
> SMP: AP CPU #3 Launched!
> lapic10: Forcing LINT1 to edge trigger
> SMP: AP CPU #10 Launched!
> lapic6: Forcing LINT1 to edge trigger
> SMP: AP CPU #6 Launched!
> lapic8: Forcing LINT1 to edge trigger
> SMP: AP CPU #8 Launched!
> uhub3: 4 ports with 4 removable, self powered
> uhub1: 4 ports with 4 removable, self powered
> Root mount waiting for: usbus3 usbus1
> uhub0: 2 ports with 2 removable, self powered
> uhub2: 2 ports with 2 removable, self powered
> Root mount waiting for: usbus3 usbus1
> ugen1.2: <vendor 0x8087> at usbus1
> uhub4: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2> on
> usbus1
> ugen3.2: <vendor 0x8087> at usbus3
> uhub5: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2> on
> usbus3
> Root mount waiting for: usbus3 usbus1
> uhub4: 6 ports with 6 removable, self powered
> uhub5: 8 ports with 8 removable, self powered
> ugen1.3: <vendor 0x060b> at usbus1
> ukbd0: <vendor 0x060b USB Keyboard, class 0/0, rev 2.00/1.10, addr 3> on
> usbus1
> kbd2 at ukbd0
> ugen3.3: <Ralink> at usbus3
> Root mount waiting for: usbus3
> ugen3.4: <vendor 0x0db0> at usbus3
> Trying to mount root from zfs:tron []...
> ums0: <vendor 0x060b USB Keyboard, class 0/0, rev 2.00/1.10, addr 3> on
> usbus1
> ums0: 5 buttons and [XYZ] coordinates ID=0
> run0: <1.0> on usbus3
> run0: MAC/BBP RT3070 (rev 0x0201), RF RT3020 (MIMO 1T1R), address
> 94:db:c9:e3:6e:c8
> ubt0: <vendor 0x0db0 product 0xa871, class 224/1, rev 2.00/52.76, addr 4>
> on usbus3
> WARNING: attempt to domain_add(bluetooth) after domainfinalize()
> WARNING: attempt to domain_add(netgraph) after domainfinalize()
> tap0: Ethernet address: 00:bd:8c:54:07:00
> tap0: link state changed to UP
> bridge0: Ethernet address: 02:4c:89:ce:33:00
> tap0: promiscuous mode enabled
> bridge0: link state changed to UP
> em1: link state changed to DOWN
> em1: promiscuous mode enabled
> em1: link state changed to UP
> tap0: link state changed to DOWN
> tap0: link state changed to UP
> tap0: link state changed to DOWN
> tap0: link state changed to UP
>
>
>
>
>> Yep, no problem.  I saw the checkin and started a rebuild a few minutes
>> ago :-)
>>
>> Thanks,
>>
>> Dan
>>
>> On Sat, 30 Mar 2013, Neel Natu wrote:
>>
>>  Hi Dan,
>>>
>>> On Fri, Mar 29, 2013 at 3:20 PM, Dan Mack <mack at macktronics.com> wrote:
>>>
>>>
>>>>
>>>> Here you go Neel:
>>>>
>>>> root at olive:~ # bhyvectl --vm=coco --get-stats --cpu=0
>>>> vcpu0
>>>> vm exits due to external interrupt      45051
>>>> number of times hlt was intercepted     2277
>>>> number of NMIs delivered to vcpu        0
>>>> vcpu total runtime                      105001652482
>>>> number of ticks vcpu was idle           919
>>>> vcpu migration across host cpus         13
>>>> number of times hlt was ignored         0
>>>> total number of vm exits                9240925
>>>> root at olive:~ #
>>>> root at olive:~ #
>>>> root at olive:~ # bhyvectl --vm=coco --get-stats --cpu=1
>>>> vcpu1
>>>> vm exits due to external interrupt      149431
>>>> number of times hlt was intercepted     4222
>>>> number of NMIs delivered to vcpu        0
>>>> vcpu total runtime                      106876622528
>>>> number of ticks vcpu was idle           869
>>>> vcpu migration across host cpus         20
>>>> number of times hlt was ignored         0
>>>> total number of vm exits                8065909
>>>>
>>>>
>>>>  That did not help a whole lot because we were not keeping track of all
>>> the
>>> reasons a vcpu could exit.
>>>
>>> I have fixed that in r248935:
>>> http://svnweb.freebsd.org/**base?view=revision&revision=**248935<http://svnweb.freebsd.org/base?view=revision&revision=248935>
>>>
>>> Do you mind updating your vmm.ko with the change and getting the stats
>>> again?
>>>
>>> best
>>> Neel
>>>
>>>
>>>  Dan
>>>>
>>>>
>>>>
>>>> On Fri, 29 Mar 2013, Neel Natu wrote:
>>>>
>>>>  Hi Dan,
>>>>
>>>>>
>>>>> On Fri, Mar 29, 2013 at 12:38 PM, Dan Mack <mack at macktronics.com>
>>>>> wrote:
>>>>>
>>>>>
>>>>>  I ran the procsystime dtrace script on bhyve when it was chewing up
>>>>>> all
>>>>>> the CPU in vCPU=2 mode, and this is what I see for about 10s of
>>>>>> runtime:
>>>>>>
>>>>>> root at olive:/usr/share/dtrace/******toolkit # ./procsystime -n bhyve
>>>>>> -aT
>>>>>>
>>>>>> Tracing... Hit Ctrl-C to end...
>>>>>> dtrace: 158536 dynamic variable drops with non-empty dirty list
>>>>>> dtrace: 207447 dynamic variable drops with non-empty dirty list
>>>>>> dtrace: 189205 dynamic variable drops with non-empty dirty list
>>>>>> dtrace: 164341 dynamic variable drops with non-empty dirty list
>>>>>> dtrace: 246307 dynamic variable drops with non-empty dirty list
>>>>>> dtrace: 187640 dynamic variable drops with non-empty dirty list
>>>>>> dtrace: 214771 dynamic variable drops with non-empty dirty list
>>>>>> dtrace: 221265 dynamic variable drops with non-empty dirty list
>>>>>> ^C
>>>>>> dtrace: 243468 dynamic variable drops with non-empty dirty list
>>>>>>
>>>>>> Elapsed Times for processes bhyve,
>>>>>>
>>>>>>          SYSCALL          TIME (ns)
>>>>>>         _umtx_op              18349
>>>>>>           writev             135712
>>>>>>           preadv           16175267
>>>>>>          pwritev           22924378
>>>>>>            ioctl         4353897920
>>>>>>           TOTAL:         4393151626
>>>>>>
>>>>>> CPU Times for processes bhyve,
>>>>>>
>>>>>>          SYSCALL          TIME (ns)
>>>>>>         _umtx_op               8815
>>>>>>           writev             103145
>>>>>>          pwritev           10647023
>>>>>>           preadv           15159976
>>>>>>            ioctl         3943399889
>>>>>>           TOTAL:         3969318848
>>>>>>
>>>>>> Syscall Counts for processes bhyve,
>>>>>>
>>>>>>          SYSCALL              COUNT
>>>>>>         _umtx_op                 17
>>>>>>           writev                 43
>>>>>>          pwritev                639
>>>>>>           preadv               1183
>>>>>>            ioctl             652782
>>>>>>           TOTAL:             654664
>>>>>>
>>>>>> Not sure if that helps or not.  Hotkernel shows the cpu in the
>>>>>> kernel`acpi_cpu_c1  call most of the time, normal ?
>>>>>>
>>>>>> Dan
>>>>>>
>>>>>> root at olive:/usr/share/dtrace/******toolkit # ./hotkernel
>>>>>>
>>>>>> Sampling... Hit Ctrl-C to end.
>>>>>> ^C
>>>>>> FUNCTION                                                COUNT   PCNT
>>>>>> zfs.ko`space_map_sync                                       1   0.0%
>>>>>> kernel`syscall_thread_exit                                  1   0.0%
>>>>>> kernel`should_yield                                         1   0.0%
>>>>>> zfs.ko`lzjb_compress                                        1   0.0%
>>>>>> zfs.ko`dbuf_rele                                            1   0.0%
>>>>>> zfs.ko`dsl_pool_tempreserve_******space                           1
>>>>>>   0.0%
>>>>>>
>>>>>> kernel`_bus_dmamap_load_buffer                              1   0.0%
>>>>>> kernel`cpu_idleclock                                        1   0.0%
>>>>>> kernel`_rw_runlock_cookie                                   1   0.0%
>>>>>> kernel`pmap_enter                                           1   0.0%
>>>>>> kernel`__lockmgr_args                                       1   0.0%
>>>>>> zfs.ko`vdev_geom_io_start                                   1   0.0%
>>>>>> kernel`ahci_ch_intr                                         1   0.0%
>>>>>> kernel`__rw_rlock                                           1   0.0%
>>>>>> kernel`VOP_UNLOCK_APV                                       1   0.0%
>>>>>> zfs.ko`arc_buf_thaw                                         1   0.0%
>>>>>> kernel`atomic_set_int                                       1   0.0%
>>>>>> kernel`g_io_schedule_down                                   1   0.0%
>>>>>> kernel`__mtx_lock_flags                                     1   0.0%
>>>>>> kernel`_callout_stop_safe                                   1   0.0%
>>>>>> kernel`sched_idletd                                         1   0.0%
>>>>>> kernel`_sx_slock                                            1   0.0%
>>>>>> vmm.ko`lapic_set_intr                                       1   0.0%
>>>>>> kernel`cpusetobj_ffs                                        1   0.0%
>>>>>> zfs.ko`dbuf_hold                                            1   0.0%
>>>>>> vmm.ko`vlapic_intr_accepted                                 1   0.0%
>>>>>> zfs.ko`sa_attr_op                                           1   0.0%
>>>>>> zfs.ko`dmu_buf_hold_array_by_******dnode                          1
>>>>>>   0.0%
>>>>>>
>>>>>> zfs.ko`taskq_run_safe                                       1   0.0%
>>>>>> kernel`vm_reserv_free_page                                  1   0.0%
>>>>>> kernel`_sx_sunlock                                          1   0.0%
>>>>>> kernel`vn_rlimit_fsize                                      1   0.0%
>>>>>> zfs.ko`vdev_queue_io_to_issue                               1   0.0%
>>>>>> kernel`vn_write                                             1   0.0%
>>>>>> kernel`lock_init                                            1   0.0%
>>>>>> vmm.ko`vmx_resume                                           1   0.0%
>>>>>> zfs.ko`zio_gang_tree_free                                   1   0.0%
>>>>>> zfs.ko`dbuf_rele_and_unlock                                 1   0.0%
>>>>>> kernel`mnt_vnode_next_active                                1   0.0%
>>>>>> kernel`vm_page_remove                                       1   0.0%
>>>>>> zfs.ko`vdev_queue_deadline_******compare                          1
>>>>>>   0.0%
>>>>>>
>>>>>> kernel`zone_free_item                                       1   0.0%
>>>>>> vmm.ko`vmx_launch                                           1   0.0%
>>>>>> kernel`m_pullup                                             1   0.0%
>>>>>> kernel`pmap_change_wiring                                   1   0.0%
>>>>>> kernel`sched_userret                                        1   0.0%
>>>>>> zfs.ko`dbuf_write_done                                      1   0.0%
>>>>>> zfs.ko`zio_execute                                          1   0.0%
>>>>>> kernel`PHYS_TO_VM_PAGE                                      2   0.0%
>>>>>> zfs.ko`avl_rotation                                         2   0.0%
>>>>>> kernel`ehci_device_isoc_fs_******enter                            2
>>>>>>   0.0%
>>>>>>
>>>>>> vmm.ko`vm_exitinfo                                          2   0.0%
>>>>>> zfs.ko`zfs_freebsd_write                                    2   0.0%
>>>>>> vmm.ko`vcpu_stats                                           2   0.0%
>>>>>> kernel`atomic_add_long                                      2   0.0%
>>>>>> vmm.ko`0xffffffff81                                         2   0.0%
>>>>>> kernel`vm_reserv_alloc_page                                 2   0.0%
>>>>>> kernel`pagezero                                             2   0.0%
>>>>>> kernel`bzero                                                2   0.0%
>>>>>> zfs.ko`fletcher_2_native                                    2   0.0%
>>>>>> vmm.ko`vmx_getreg                                           2   0.0%
>>>>>> vmm.ko`vm_guest_msrs                                        3   0.0%
>>>>>> vmm.ko`vmx_setreg                                           3   0.0%
>>>>>> vmm.ko`vm_get_register                                      3   0.0%
>>>>>> kernel`sx_try_xlock_                                        3   0.0%
>>>>>> kernel`vm_radix_lookup_le                                   3   0.0%
>>>>>> vmm.ko`lapic_pending_intr                                   4   0.0%
>>>>>> kernel`syscall_thread_enter                                 4   0.0%
>>>>>> kernel`cpu_set_syscall_retval                               4   0.0%
>>>>>> kernel`__mnt_vnode_next_all                                 4   0.0%
>>>>>> kernel`vfs_stdsync                                          4   0.0%
>>>>>> vmm.ko`vmm_fetch_instruction                                5   0.0%
>>>>>> vmm.ko`vlapic_op_mem_read                                   6   0.0%
>>>>>> kernel`_sx_xunlock                                          7   0.0%
>>>>>> vmm.ko`vmm_emulate_instruction                              7   0.0%
>>>>>> vmm.ko`vlapic_op_mem_write                                  7   0.0%
>>>>>> kernel`__mtx_lock_spin_flags                                8   0.0%
>>>>>> vmm.ko`lapic_timer_tick                                     8   0.0%
>>>>>> zfs.ko`list_next                                            8   0.0%
>>>>>> zfs.ko`l2arc_feed_thread                                    8   0.0%
>>>>>> kernel`userret                                              9   0.0%
>>>>>> vmm.ko`vm_gpa2hpa                                           9   0.0%
>>>>>> vmm.ko`vmm_decode_instruction                              11   0.0%
>>>>>> vmm.ko`ept_vmmmap_get                                      11   0.0%
>>>>>> vmm.ko`vm_lapic                                            11   0.0%
>>>>>> kernel`spinlock_enter                                      14   0.0%
>>>>>> kernel`__mtx_lock_sleep                                    15   0.0%
>>>>>> vmm.ko`vcpu_set_state                                      16   0.0%
>>>>>> vmm.ko`vm_nmi_pending                                      16   0.0%
>>>>>> kernel`malloc_type_zone_******allocated                          16
>>>>>>   0.0%
>>>>>>
>>>>>> kernel`devfs_ioctl_f                                       16   0.0%
>>>>>> kernel`pmap_kextract                                       17   0.0%
>>>>>> kernel`sys_ioctl                                           18   0.0%
>>>>>> kernel`malloc                                              21   0.0%
>>>>>> kernel`cpu_fetch_syscall_args                              24   0.0%
>>>>>> kernel`uma_zfree_arg                                       28   0.0%
>>>>>> vmm.ko`vlapic_pending_intr                                 29   0.0%
>>>>>> kernel`trap                                                30   0.0%
>>>>>> kernel`hpet_get_timecount                                  31   0.0%
>>>>>> dtrace.ko`dtrace_trap                                      35   0.0%
>>>>>> vmm.ko`vlapic_update_ppr                                   39   0.0%
>>>>>> vmm.ko`vmmdev_ioctl                                        40   0.0%
>>>>>> kernel`copyout                                             43   0.0%
>>>>>> kernel`critical_enter                                      44   0.0%
>>>>>> kernel`copyin                                              51   0.1%
>>>>>> vmm.ko`vmcs_read                                           53   0.1%
>>>>>> kernel`fpusave                                             61   0.1%
>>>>>> kernel`uma_zalloc_arg                                      62   0.1%
>>>>>> kernel`devvn_refthread                                     69   0.1%
>>>>>> kernel`atomic_load_acq_int                                 70   0.1%
>>>>>> kernel`fpurestore                                          70   0.1%
>>>>>> vmm.ko`vlapic_timer_tick                                   75   0.1%
>>>>>> kernel`amd64_syscall                                       77   0.1%
>>>>>> kernel`bcopy                                               91   0.1%
>>>>>> kernel`fpudna                                             103   0.1%
>>>>>> kernel`free                                               103   0.1%
>>>>>> kernel`critical_exit                                      105   0.1%
>>>>>> kernel`dev_relthread                                      108   0.1%
>>>>>> kernel`spinlock_exit                                      119   0.1%
>>>>>> kernel`kern_ioctl                                         138   0.1%
>>>>>> kernel`fpuexit                                            242   0.3%
>>>>>> kernel`0xffffffff80                                       306   0.3%
>>>>>> vmm.ko`restore_host_msrs                                  398   0.4%
>>>>>> vmm.ko`vm_run                                             428   0.4%
>>>>>> vmm.ko`restore_guest_msrs                                 433   0.5%
>>>>>> kernel`cpu_idle                                           906   1.0%
>>>>>> vmm.ko`vmx_run                                           9266   9.7%
>>>>>> kernel`acpi_cpu_c1                                      81134  85.2%
>>>>>>
>>>>>> Hope this helps, let me know if you have any ideas on what to try
>>>>>> next.
>>>>>>
>>>>>>
>>>>>>  Could you try the following command to get vcpu stats?
>>>>>>
>>>>> sudo bhyvectl --vm=vm1 --get-stats --cpu=0
>>>>> sudo bhyvectl --vm=vm1 --get-stats --cpu=1
>>>>>
>>>>> best
>>>>> Neel
>>>>>
>>>>>
>>>>>  Dan
>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Fri, 29 Mar 2013, Dan Mack wrote:
>>>>>>
>>>>>>  On Thu, 28 Mar 2013, Peter Grehan wrote:
>>>>>>
>>>>>>
>>>>>>>  Hi Dan,
>>>>>>>
>>>>>>>
>>>>>>>>  Any ideas?
>>>>>>>>
>>>>>>>>
>>>>>>>>>
>>>>>>>>>  Just to confirm: your host system is an i7 3930k, which looks
>>>>>>>> like a 6
>>>>>>>> core system. Should be plenty beefy enough for a 2 vCPU guest.
>>>>>>>>
>>>>>>>>
>>>>>>>>  That's what I thought, 6 cores, 12 threads, 64 GB RAM.
>>>>>>>
>>>>>>>  The issue you are seeing looks a bit like what happens when systems
>>>>>>> are
>>>>>>>
>>>>>>>  heavily oversubscribed and vCPUs can't get enough run time.
>>>>>>>>
>>>>>>>>
>>>>>>>>  I was running in on an idle system; only bhyve was running.
>>>>>>>
>>>>>>>
>>>>>>>  How much spare RAM is on the host when you started the vm ? Also, is
>>>>>>>
>>>>>>>  there much running on the host when the guest is started ?
>>>>>>>>
>>>>>>>>
>>>>>>>>  64GB
>>>>>>>
>>>>>>> Here's some more information (sorry for the formatting):
>>>>>>>
>>>>>>> Case 1:  single vCPU via:
>>>>>>> root 64112    1.3  0.0 4219232 25588  1  D+    2:09PM     0:02.47
>>>>>>> /usr/sbin/bhyve -c 1 -m 4096 -AI -H -P -g 0 -s 0:0,hostbridge -s
>>>>>>> 1:0,virtio-net,tap0 -s 2:0,virtio-blk,./diskdev -S 31,uart,stdio coco
>>>>>>>
>>>>>>> Top shows it idle (note low load, 4GB memory given to guest, still
>>>>>>> 53GB
>>>>>>> free RAM, nothing else clocking CPU cycles):
>>>>>>>
>>>>>>> root at olive:~ # top -bH
>>>>>>> last pid: 64148;  load averages:  0.03,  0.22,  0.22  up 0+16:29:31
>>>>>>> 14:11:51
>>>>>>> 24 processes:  1 running, 23 sleeping
>>>>>>>
>>>>>>> Mem: 32M Active, 50M Inact, 8498M Wired, 504K Cache, 53G Free
>>>>>>> ARC: 778M Total, 146M MFU, 390M MRU, 16K Anon, 16M Header, 226M Other
>>>>>>> Swap:
>>>>>>>
>>>>>>>
>>>>>>>  PID USERNAME   PRI NICE   SIZE    RES STATE   C   TIME   WCPU
>>>>>>> COMMAND
>>>>>>> 64112 root        20    0  4120M 25980K vmidle  2   0:03  0.00%
>>>>>>> bhyve{coco vcpu 0}
>>>>>>>  925 root        20    0 14296K  2044K select 11   0:00  0.00%
>>>>>>> syslogd
>>>>>>> 2695 root        20    0 81452K  6952K select  2   0:00  0.00% sshd
>>>>>>> 2697 root        20    0 20224K  4632K ttyin   1   0:00  0.00% csh
>>>>>>> 64112 root        52    0  4120M 25980K kqread  9   0:00  0.00%
>>>>>>> bhyve{coco mevent}
>>>>>>>
>>>>>>>
>>>>>>> So, case #1 all is normal.  I was able to build a kernel with very
>>>>>>> good
>>>>>>> performance.
>>>>>>>
>>>>>>> The boot sequence looks like the following:
>>>>>>>
>>>>>>> root at olive:/vms/coco # ./vmrun.sh coco
>>>>>>> Launching virtual machine "coco" ...
>>>>>>> Consoles: userboot
>>>>>>>
>>>>>>> FreeBSD/amd64 User boot, Revision 1.1
>>>>>>> (root at olive.example.com, Thu Mar 28 21:20:49 CDT 2013)
>>>>>>> Loading /boot/defaults/loader.conf /boot/kernel/kernel text=0x5a2178
>>>>>>> data=0x98088+0xef8b0 syms=[0x8+0xca8d8+0x8+******0x12bb08]
>>>>>>>
>>>>>>> /
>>>>>>>  ______               ____   _____ _____
>>>>>>> |  ____|             |  _ \ / ____|  __ \
>>>>>>> | |___ _ __ ___  ___ | |_) | (___ | |  | |
>>>>>>> |  ___| '__/ _ \/ _ \|  _ < \___ \| |  | |
>>>>>>> | |   | | |  __/  __/| |_) |____) | |__| |
>>>>>>> | |   | | |    |    ||     |      |      |
>>>>>>> |_|   |_|  \___|\___||____/|_____/|_____/    ```
>>>>>>>  `
>>>>>>>                                             s` `.....---.......--.```
>>>>>>> -/
>>>>>>> +------------Welcome to FreeBSD-----------+ +o   .--`         /y:`
>>>>>>>  +.
>>>>>>> |                                         |  yo`:.            :o
>>>>>>>  `+-
>>>>>>> |  1. Boot Multi User [Enter]             |   y/               -/`
>>>>>>> -o/
>>>>>>> |  2. Boot [S]ingle User                  |  .-
>>>>>>>  ::/sy+:.
>>>>>>> |  3. [Esc]ape to loader prompt           |  /
>>>>>>> `--
>>>>>>>  /
>>>>>>> |  4. Reboot                              | `:
>>>>>>>  :`
>>>>>>> |                                         | `:
>>>>>>>  :`
>>>>>>> |  Options:                               |  /
>>>>>>>  /
>>>>>>> |  5. Configure Boot [O]ptions...         |  .-
>>>>>>>  -.
>>>>>>> |                                         |   -- -.
>>>>>>> |                                         |    `:`
>>>>>>>  `:`
>>>>>>> |                                         |      .--             `--.
>>>>>>> |                                         |         .---.....----.
>>>>>>> +-----------------------------******------------+
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Booting...
>>>>>>> Copyright (c) 1992-2013 The FreeBSD Project.
>>>>>>> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993,
>>>>>>> 1994
>>>>>>>         The Regents of the University of California. All rights
>>>>>>> reserved.
>>>>>>> FreeBSD is a registered trademark of The FreeBSD Foundation.
>>>>>>> FreeBSD 10.0-CURRENT #0 r248859: Thu Mar 28 19:52:06 CDT 2013
>>>>>>>    root at cocopuff.example.com:/******sys/amd64/compile/BHYVE amd64
>>>>>>>
>>>>>>> FreeBSD clang version 3.2 (tags/RELEASE_32/final 170710) 20121221
>>>>>>> CPU: Intel(R) Core(TM) i7-3930K CPU @ 3.20GHz (3199.84-MHz K8-class
>>>>>>> CPU)
>>>>>>>  Origin = "GenuineIntel"  Id = 0x206d7  Family = 0x6  Model = 0x2d
>>>>>>>  Stepping = 7
>>>>>>>  Features=0x8fa3ab7f<FPU,VME,******DE,PSE,TSC,MSR,PAE,CX8,APIC,****
>>>>>>> SEP,PGE,CMOV,PAT,PSE36,DTS,******MMX,FXSR,SSE,SSE2,SS,PBE>
>>>>>>>  Features2=0x83bee217<SSE3,******PCLMULQDQ,DTES64,DS_CPL,SSSE3,**
>>>>>>> ****
>>>>>>> CX16,xTPR,PDCM,PCID,DCA,SSE4.******1,SSE4.2,x2APIC,POPCNT,**
>>>>>>> TSCDLT,**AESNI,HV>
>>>>>>>  AMD Features=0x2c100800<SYSCALL,******NX,Page1GB,RDTSCP,LM>
>>>>>>>
>>>>>>>  AMD Features2=0x1<LAHF>
>>>>>>>  TSC: P-state invariant
>>>>>>> real memory  = 5368709120 (5120 MB)
>>>>>>> avail memory = 3957534720 (3774 MB)
>>>>>>> Event timer "LAPIC" quality 400
>>>>>>> ACPI APIC Table: <BHYVE  BVMADT  >
>>>>>>> random device not loaded; using insecure entropy
>>>>>>> ioapic0: Changing APIC ID to 1
>>>>>>> ioapic0 <Version 1.1> irqs 0-16 on motherboard
>>>>>>> kbd0 at kbdmux0
>>>>>>> acpi0: <BHYVE BVXSDT> on motherboard
>>>>>>> atrtc0: <AT realtime clock> port 0x70-0x71,0x72-0x77 irq 8 on acpi0
>>>>>>> Event timer "RTC" frequency 32768 Hz quality 0
>>>>>>> Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
>>>>>>> acpi_timer0: <32-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
>>>>>>> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
>>>>>>> pci0: <ACPI PCI bus> on pcib0
>>>>>>> pcib0: no PRT entry for 0.31.INTA
>>>>>>> virtio_pci0: <VirtIO PCI Network adapter> port 0x2000-0x201f mem
>>>>>>> 0xc0000000-0xc0001fff at device 1.0 on pci0
>>>>>>> vtnet0: <VirtIO Networking Adapter> on virtio_pci0
>>>>>>> virtio_pci0: host features: 0x18020 <Status,MrgRxBuf,MacAddress>
>>>>>>> virtio_pci0: negotiated features: 0x18020
>>>>>>> <Status,MrgRxBuf,MacAddress>
>>>>>>> vtnet0: Ethernet address: 00:a0:98:ac:0d:df
>>>>>>> virtio_pci1: <VirtIO PCI Block adapter> port 0x2040-0x207f mem
>>>>>>> 0xc0002000-0xc0003fff at device 2.0 on pci0
>>>>>>> vtblk0: <VirtIO Block Adapter> on virtio_pci1
>>>>>>> virtio_pci1: host features: 0x10000004 <RingIndirect,MaxNumSegs>
>>>>>>> virtio_pci1: negotiated features: 0x10000004
>>>>>>> <RingIndirect,MaxNumSegs>
>>>>>>> vtblk0: 8192MB (16777216 512 byte sectors)
>>>>>>> uart2: <16550 or compatible> port 0x3f8-0x3ff irq 4 at device 31.0 on
>>>>>>> pci0
>>>>>>> uart2: console (9600,n,8,1)
>>>>>>> Timecounters tick every 10.000 msec
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> Timecounter "TSC-low" frequency 1599917752 Hz quality 1000
>>>>>>> Trying to mount root from ufs:/dev/vtbd0p2 [rw]...
>>>>>>> Setting hostuuid: d4e0b8a0-97c6-11e2-b4c8-******00a098ac0ddf.
>>>>>>>
>>>>>>> Setting hostid: 0x24bfd025.
>>>>>>> Entropy harvesting: interrupts ethernet point_to_point kickstart.
>>>>>>> Starting file system checks:
>>>>>>> /dev/vtbd0p2: FILE SYSTEM CLEAN; SKIPPING CHECKS
>>>>>>> /dev/vtbd0p2: clean, 610778 free (14298 frags, 74560 blocks, 0.7%
>>>>>>> fragmentation)
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> Mounting local file systems:.
>>>>>>> Writing entropy file:.
>>>>>>> Setting hostname: cocopuff.example.com.
>>>>>>> vtnet0: link state changed to UP
>>>>>>> Starting Network: lo0 vtnet0.
>>>>>>> lo0: flags=8049<UP,LOOPBACK,******RUNNING,MULTICAST> metric 0 mtu
>>>>>>> 16384
>>>>>>>         options=600003<RXCSUM,TXCSUM,******RXCSUM_IPV6,TXCSUM_IPV6>
>>>>>>>
>>>>>>>         inet6 ::1 prefixlen 128
>>>>>>>         inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
>>>>>>>         inet 127.0.0.1 netmask 0xff000000
>>>>>>>         nd6 options=21<PERFORMNUD,AUTO_******LINKLOCAL>
>>>>>>> vtnet0: flags=8943<UP,BROADCAST,******RUNNING,PROMISC,SIMPLEX,****
>>>>>>> MULTICAST>
>>>>>>> metric 0 mtu 1500
>>>>>>>         options=80028<VLAN_MTU,JUMBO_******MTU,LINKSTATE>
>>>>>>>
>>>>>>>         ether 00:a0:98:ac:0d:df
>>>>>>>         inet 172.22.222.230 netmask 0xffff0000 broadcast
>>>>>>> 172.22.255.255
>>>>>>>         inet6 fe80::2a0:98ff:feac:ddf%vtnet0 prefixlen 64 scopeid 0x1
>>>>>>>         nd6 options=29<PERFORMNUD,******IFDISABLED,AUTO_LINKLOCAL>
>>>>>>>
>>>>>>>         media: Ethernet 1000baseT <full-duplex>
>>>>>>>         status: active
>>>>>>> Starting devd.
>>>>>>> add net default: gateway 172.22.22.252
>>>>>>> add net ::ffff:0.0.0.0: gateway ::1
>>>>>>> add net ::0.0.0.0: gateway ::1
>>>>>>> add net fe80::: gateway ::1
>>>>>>> add net ff02::: gateway ::1
>>>>>>> ELF ldconfig path: /lib /usr/lib /usr/lib/compat /usr/local/lib
>>>>>>> 32-bit compatibility ldconfig path: /usr/lib32
>>>>>>> Creating and/or trimming log files.
>>>>>>> Starting syslogd.
>>>>>>> Clearing /tmp (X related).
>>>>>>> Updating motd:.
>>>>>>> Performing sanity check on sshd configuration.
>>>>>>> Starting sshd.
>>>>>>> Starting cron.
>>>>>>> Starting background file system checks in 60 seconds.
>>>>>>>
>>>>>>> Fri Mar 29 14:09:20 CDT 2013
>>>>>>>
>>>>>>> FreeBSD/amd64 (cocopuff.example.com) (console)
>>>>>>>
>>>>>>> login:
>>>>>>>
>>>>>>>
>>>>>>> ====== Next, boot the same image with two (2) vCPU:
>>>>>>>
>>>>>>> Command run by vmrun.sh:
>>>>>>>
>>>>>>> root 64163  182.5  0.1 4219360 48968  1  R+    2:16PM     1:10.42
>>>>>>> /usr/sbin/bhyve -c 2 -m 4096 -AI -H -P -g 0 -s 0:0,hostbridge -s
>>>>>>> 1:0,virtio-net,tap0 -s 2:0,virtio-blk,./diskdev -S 31,uart,stdio coco
>>>>>>>
>>>>>>> Top shows it running out of control:
>>>>>>>
>>>>>>> root at olive:~ # top -bH
>>>>>>> last pid: 64191;  load averages:  1.45,  0.52,  0.31  up 0+16:35:12
>>>>>>> 14:17:32
>>>>>>> 25 processes:  3 running, 22 sleeping
>>>>>>>
>>>>>>> Mem: 32M Active, 50M Inact, 9016M Wired, 504K Cache, 53G Free
>>>>>>> ARC: 1293M Total, 370M MFU, 671M MRU, 8208K Anon, 17M Header, 227M
>>>>>>> Other
>>>>>>> Swap:
>>>>>>>
>>>>>>>
>>>>>>>  PID USERNAME   PRI NICE   SIZE    RES STATE   C   TIME   WCPU
>>>>>>> COMMAND
>>>>>>> 64163 root       102    0  4120M   120M CPU2    2   1:01 100.00%
>>>>>>> bhyve{coco vcpu 1}
>>>>>>> 64163 root       102    0  4120M   120M CPU8    8   1:03 94.48%
>>>>>>> bhyve{coco vcpu 0}
>>>>>>> 15751 root        20    0 81452K  7092K select  5   0:00  0.00% sshd
>>>>>>>  807 root        20    0 13112K  4812K select  5   0:00  0.00% devd
>>>>>>>  925 root        20    0 14296K  2044K select  9   0:00  0.00%
>>>>>>> syslogd
>>>>>>> 1031 root        20    0 16380K  2400K nanslp 10   0:00  0.00% cron
>>>>>>> 2695 root        20    0 81452K  6952K select  2   0:00  0.00% sshd
>>>>>>> 2697 root        20    0 20224K  4632K ttyin   1   0:00  0.00% csh
>>>>>>> 64163 root        52    0  4120M   120M kqread  5   0:00  0.00%
>>>>>>> bhyve{coco mevent}
>>>>>>> 15753 root        20    0 20224K  4580K pause   1   0:00  0.00% csh
>>>>>>>
>>>>>>> Even though, it's just sitting at the login prompt:
>>>>>>>
>>>>>>> root at olive:/vms/coco # ./vmrun.sh coco
>>>>>>> Launching virtual machine "coco" ...
>>>>>>> Consoles: userboot
>>>>>>>
>>>>>>> FreeBSD/amd64 User boot, Revision 1.1
>>>>>>> (root at olive.example.com, Thu Mar 28 21:20:49 CDT 2013)
>>>>>>> Loading /boot/defaults/loader.conf /boot/kernel/kernel text=0x5a2178
>>>>>>> data=0x98088+0xef8b0 syms=[0x8+0xca8d8+0x8+******0x12bb08]
>>>>>>>
>>>>>>> /
>>>>>>>  ______               ____   _____ _____
>>>>>>> |  ____|             |  _ \ / ____|  __ \
>>>>>>> | |___ _ __ ___  ___ | |_) | (___ | |  | |
>>>>>>> |  ___| '__/ _ \/ _ \|  _ < \___ \| |  | |
>>>>>>> | |   | | |  __/  __/| |_) |____) | |__| |
>>>>>>> | |   | | |    |    ||     |      |      |
>>>>>>> |_|   |_|  \___|\___||____/|_____/|_____/    ```
>>>>>>>  `
>>>>>>>                                             s` `.....---.......--.```
>>>>>>> -/
>>>>>>> +------------Welcome to FreeBSD-----------+ +o   .--`         /y:`
>>>>>>>  +.
>>>>>>> |                                         |  yo`:.            :o
>>>>>>>  `+-
>>>>>>> |  1. Boot Multi User [Enter]             |   y/               -/`
>>>>>>> -o/
>>>>>>> |  2. Boot [S]ingle User                  |  .-
>>>>>>>  ::/sy+:.
>>>>>>> |  3. [Esc]ape to loader prompt           |  /
>>>>>>> `--
>>>>>>>  /
>>>>>>> |  4. Reboot                              | `:
>>>>>>>  :`
>>>>>>> |                                         | `:
>>>>>>>  :`
>>>>>>> |  Options:                               |  /
>>>>>>>  /
>>>>>>> |  5. Configure Boot [O]ptions...         |  .-
>>>>>>>  -.
>>>>>>> |                                         |   -- -.
>>>>>>> |                                         |    `:`
>>>>>>>  `:`
>>>>>>> |                                         |      .--             `--.
>>>>>>> |                                         |         .---.....----.
>>>>>>> +-----------------------------******------------+
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Booting...
>>>>>>> Copyright (c) 1992-2013 The FreeBSD Project.
>>>>>>> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993,
>>>>>>> 1994
>>>>>>>         The Regents of the University of California. All rights
>>>>>>> reserved.
>>>>>>> FreeBSD is a registered trademark of The FreeBSD Foundation.
>>>>>>> FreeBSD 10.0-CURRENT #0 r248859: Thu Mar 28 19:52:06 CDT 2013
>>>>>>>    root at cocopuff.example.com:/******sys/amd64/compile/BHYVE amd64
>>>>>>>
>>>>>>> FreeBSD clang version 3.2 (tags/RELEASE_32/final 170710) 20121221
>>>>>>> CPU: Intel(R) Core(TM) i7-3930K CPU @ 3.20GHz (3199.82-MHz K8-class
>>>>>>> CPU)
>>>>>>>  Origin = "GenuineIntel"  Id = 0x206d7  Family = 0x6  Model = 0x2d
>>>>>>>  Stepping = 7
>>>>>>>  Features=0x8fa3ab7f<FPU,VME,******DE,PSE,TSC,MSR,PAE,CX8,APIC,****
>>>>>>> SEP,PGE,CMOV,PAT,PSE36,DTS,******MMX,FXSR,SSE,SSE2,SS,PBE>
>>>>>>>  Features2=0x83bee217<SSE3,******PCLMULQDQ,DTES64,DS_CPL,SSSE3,**
>>>>>>> ****
>>>>>>> CX16,xTPR,PDCM,PCID,DCA,SSE4.******1,SSE4.2,x2APIC,POPCNT,**
>>>>>>> TSCDLT,**AESNI,HV>
>>>>>>>  AMD Features=0x2c100800<SYSCALL,******NX,Page1GB,RDTSCP,LM>
>>>>>>>
>>>>>>>  AMD Features2=0x1<LAHF>
>>>>>>>  TSC: P-state invariant
>>>>>>> real memory  = 5368709120 (5120 MB)
>>>>>>> avail memory = 3957534720 (3774 MB)
>>>>>>> Event timer "LAPIC" quality 400
>>>>>>> ACPI APIC Table: <BHYVE  BVMADT  >
>>>>>>> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
>>>>>>> FreeBSD/SMP: 2 package(s) x 1 core(s)
>>>>>>> cpu0 (BSP): APIC ID:  0
>>>>>>> cpu1 (AP): APIC ID:  1
>>>>>>> random device not loaded; using insecure entropy
>>>>>>> ioapic0: Changing APIC ID to 2
>>>>>>> ioapic0 <Version 1.1> irqs 0-16 on motherboard
>>>>>>> kbd0 at kbdmux0
>>>>>>> acpi0: <BHYVE BVXSDT> on motherboard
>>>>>>> atrtc0: <AT realtime clock> port 0x70-0x71,0x72-0x77 irq 8 on acpi0
>>>>>>> Event timer "RTC" frequency 32768 Hz quality 0
>>>>>>> Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
>>>>>>> acpi_timer0: <32-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
>>>>>>> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
>>>>>>> pci0: <ACPI PCI bus> on pcib0
>>>>>>> pcib0: no PRT entry for 0.31.INTA
>>>>>>> virtio_pci0: <VirtIO PCI Network adapter> port 0x2000-0x201f mem
>>>>>>> 0xc0000000-0xc0001fff at device 1.0 on pci0
>>>>>>> vtnet0: <VirtIO Networking Adapter> on virtio_pci0
>>>>>>> virtio_pci0: host features: 0x18020 <Status,MrgRxBuf,MacAddress>
>>>>>>> virtio_pci0: negotiated features: 0x18020
>>>>>>> <Status,MrgRxBuf,MacAddress>
>>>>>>> vtnet0: Ethernet address: 00:a0:98:ac:0d:df
>>>>>>> virtio_pci1: <VirtIO PCI Block adapter> port 0x2040-0x207f mem
>>>>>>> 0xc0002000-0xc0003fff at device 2.0 on pci0
>>>>>>> vtblk0: <VirtIO Block Adapter> on virtio_pci1
>>>>>>> virtio_pci1: host features: 0x10000004 <RingIndirect,MaxNumSegs>
>>>>>>> virtio_pci1: negotiated features: 0x10000004
>>>>>>> <RingIndirect,MaxNumSegs>
>>>>>>> vtblk0: 8192MB (16777216 512 byte sectors)
>>>>>>> uart2: <16550 or compatible> port 0x3f8-0x3ff irq 4 at device 31.0 on
>>>>>>> pci0
>>>>>>> uart2: console (9600,n,8,1)
>>>>>>> Timecounters tick every 10.000 msec
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> SMP: AP CPU #1 Launched!
>>>>>>> Trying to mount root from ufs:/dev/vtbd0p2 [rw]...
>>>>>>> Setting hostuuid: d4e0b8a0-97c6-11e2-b4c8-******00a098ac0ddf.
>>>>>>>
>>>>>>> Setting hostid: 0x24bfd025.
>>>>>>> Entropy harvesting: interrupts ethernet point_to_point kickstart.
>>>>>>> Starting file system checks:
>>>>>>> /dev/vtbd0p2: FILE SYSTEM CLEAN; SKIPPING CHECKS
>>>>>>> /dev/vtbd0p2: clean, 610776 free (14296 frags, 74560 blocks, 0.7%
>>>>>>> fragmentation)
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> g_handleattr: vtbd0 bio_length 24 len 28 -> EFAULT
>>>>>>> Mounting local file systems:.
>>>>>>> Writing entropy file:.
>>>>>>> Setting hostname: cocopuff.example.com.
>>>>>>> vtnet0: link state changed to UP
>>>>>>> Starting Network: lo0 vtnet0.
>>>>>>> lo0: flags=8049<UP,LOOPBACK,******RUNNING,MULTICAST> metric 0 mtu
>>>>>>> 16384
>>>>>>>         options=600003<RXCSUM,TXCSUM,******RXCSUM_IPV6,TXCSUM_IPV6>
>>>>>>>
>>>>>>>         inet6 ::1 prefixlen 128
>>>>>>>         inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
>>>>>>>         inet 127.0.0.1 netmask 0xff000000
>>>>>>>         nd6 options=21<PERFORMNUD,AUTO_******LINKLOCAL>
>>>>>>> vtnet0: flags=8943<UP,BROADCAST,******RUNNING,PROMISC,SIMPLEX,****
>>>>>>> MULTICAST>
>>>>>>> metric 0 mtu 1500
>>>>>>>         options=80028<VLAN_MTU,JUMBO_******MTU,LINKSTATE>
>>>>>>>
>>>>>>>         ether 00:a0:98:ac:0d:df
>>>>>>>         inet 172.22.222.230 netmask 0xffff0000 broadcast
>>>>>>> 172.22.255.255
>>>>>>>         inet6 fe80::2a0:98ff:feac:ddf%vtnet0 prefixlen 64 scopeid 0x1
>>>>>>>         nd6 options=29<PERFORMNUD,******IFDISABLED,AUTO_LINKLOCAL>
>>>>>>>
>>>>>>>         media: Ethernet 1000baseT <full-duplex>
>>>>>>>         status: active
>>>>>>> Starting devd.
>>>>>>> add net default: gateway 172.22.22.252
>>>>>>> add net ::ffff:0.0.0.0: gateway ::1
>>>>>>> add net ::0.0.0.0: gateway ::1
>>>>>>> add net fe80::: gateway ::1
>>>>>>> add net ff02::: gateway ::1
>>>>>>> ELF ldconfig path: /lib /usr/lib /usr/lib/compat /usr/local/lib
>>>>>>> 32-bit compatibility ldconfig path: /usr/lib32
>>>>>>> Creating and/or trimming log files.
>>>>>>> Starting syslogd.
>>>>>>> syslogd: timed out waiting for child
>>>>>>> /etc/rc: WARNING: failed to start syslogd
>>>>>>> Clearing /tmp (X related).
>>>>>>> Updating motd:.
>>>>>>> Performing sanity check on sshd configuration.
>>>>>>> Starting sshd.
>>>>>>> Starting cron.
>>>>>>> Starting background file system checks in 60 seconds.
>>>>>>>
>>>>>>> Thu Apr 18 02:06:43 CDT 2013
>>>>>>>
>>>>>>> FreeBSD/amd64 (cocopuff.example.com) (console)
>>>>>>>
>>>>>>> login:
>>>>>>>
>>>>>>>
>>>>>>> ========== end of boot sequence
>>>>>>>
>>>>>>> So, something is broken with SMP on the guest, I'd be happy to help
>>>>>>> just
>>>>>>> let me know.
>>>>>>>
>>>>>>> Dan
>>>>>>>
>>>>>>> ______________________________******_________________
>>>>>>> freebsd-virtualization@****freeb**sd.org <http://freebsd.org> <
>>>>>>> freebsd-virtualization@**freeb**sd.org <http://freebsd.org><
>>>>>>> freebsd-virtualization@**freebsd.org<freebsd-virtualization at freebsd.org>
>>>>>>> >>mailing
>>>>>>> list
>>>>>>> http://lists.freebsd.org/******mailman/listinfo/freebsd-****<http://lists.freebsd.org/****mailman/listinfo/freebsd-****>
>>>>>>> virtualization<http://lists.**freebsd.org/**mailman/**
>>>>>>> listinfo/freebsd-****virtualization<http://lists.freebsd.org/**mailman/listinfo/freebsd-**virtualization>
>>>>>>> >
>>>>>>> <http://lists.**freebsd.org/**mailman/listinfo/**freebsd-**
>>>>>>> virtualization<http://freebsd.org/mailman/listinfo/**freebsd-virtualization>
>>>>>>> <http://lists.**freebsd.org/mailman/listinfo/**
>>>>>>> freebsd-virtualization<http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization>
>>>>>>> >
>>>>>>>
>>>>>>>>
>>>>>>>>  To unsubscribe, send any mail to "freebsd-virtualization-**
>>>>>>> unsubscribe at freebsd.org <freebsd-virtualization-**
>>>>>>> unsubscribe at freebsd.org<freebs**d-virtualization-unsubscribe@**
>>>>>>> freebsd.org <freebsd-virtualization-unsubscribe at freebsd.org>>
>>>>>>>
>>>>>>>> "
>>>>>>>>
>>>>>>>
>>>>>>>  ______________________________******_________________
>>>>>>>
>>>>>>>  freebsd-virtualization@****freeb**sd.org <http://freebsd.org> <
>>>>>> freebsd-virtualization@**freeb**sd.org <http://freebsd.org><
>>>>>> freebsd-virtualization@**freebsd.org<freebsd-virtualization at freebsd.org>
>>>>>> >>mailing
>>>>>> list
>>>>>> http://lists.freebsd.org/******mailman/listinfo/freebsd-******
>>>>>> virtualization<http://lists.freebsd.org/****mailman/listinfo/freebsd-****virtualization>
>>>>>> <http://lists.**freebsd.org/**mailman/**listinfo/freebsd-****
>>>>>> virtualization<http://lists.freebsd.org/**mailman/listinfo/freebsd-**virtualization>
>>>>>> >
>>>>>> <http://lists.**freebsd.org/**mailman/listinfo/**freebsd-**
>>>>>> virtualization<http://freebsd.org/mailman/listinfo/**freebsd-virtualization>
>>>>>> <http://lists.**freebsd.org/mailman/listinfo/**freebsd-virtualization<http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization>
>>>>>> >
>>>>>>
>>>>>>>
>>>>>>>  To unsubscribe, send any mail to "freebsd-virtualization-**
>>>>>> unsubscribe at freebsd.org <freebsd-virtualization-**
>>>>>> unsubscribe at freebsd.org <freebsd-virtualization-**
>>>>>> unsubscribe at freebsd.org<freebsd-virtualization-unsubscribe at freebsd.org>
>>>>>> >
>>>>>>
>>>>>>> "
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>  ______________________________**_________________
>> freebsd-virtualization@**freebsd.org <freebsd-virtualization at freebsd.org>mailing list
>> http://lists.freebsd.org/**mailman/listinfo/freebsd-**virtualization<http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization>
>> To unsubscribe, send any mail to "freebsd-virtualization-**
>> unsubscribe at freebsd.org <freebsd-virtualization-unsubscribe at freebsd.org>"
>>
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