[Bug 188261] [xen] FreeBSD DomU PVHVM guests cannot 'route' traffic for other Xen PV guests on same Dom0 Host.

Thu Jun 9 22:04:47 UTC 2016

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=188261

--- Comment #26 from Sydney Meyer <meyer.sydney at gmail.com> ---
(In reply to Roger Pau MonnÃ© from comment #25)

I have applied your patch on top of the others and there seems to be no output
related to packet forwarding, when doing the above described tests.

Here's the full dmesg output:

Copyright (c) 1992-2016 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 11.0-ALPHA2 #0 r301752M: Thu Jun  9 23:05:34 CEST 2016
    sydney at head:/usr/obj/usr/src/sys/GENERIC amd64
FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on LLVM
3.8.0)
WARNING: WITNESS option enabled, expect reduced performance.
can't re-use a leaf (ixl_rx_miss_bufs)!
VT(vga): text 80x25
XEN: Hypervisor version 4.4 detected.
CPU: Intel(R) Core(TM) i3-4160 CPU @ 3.60GHz (3600.07-MHz K8-class CPU)
  Origin="GenuineIntel"  Id=0x306c3  Family=0x6  Model=0x3c  Stepping=3

Features=0x1783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2,HTT>

Features2=0xfffa3203<SSE3,PCLMULQDQ,SSSE3,FMA,CX16,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND,HV>
  AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
  AMD Features2=0x21<LAHF,ABM>
  Structured Extended Features=0x72a<TSCADJ,BMI1,AVX2,BMI2,ERMS,INVPCID>
  XSAVE Features=0x1<XSAVEOPT>
Hypervisor: Origin = "XenVMMXenVMM"
real memory  = 528482304 (504 MB)
avail memory = 465608704 (444 MB)
Event timer "LAPIC" quality 400
ACPI APIC Table: <Xen HVM>
random: unblocking device.
ioapic0: Changing APIC ID to 1
MADT: Forcing active-low polarity and level trigger for SCI
ioapic0 <Version 1.1> irqs 0-47 on motherboard
random: entropy device external interface
kbd1 at kbdmux0
netmap: loaded module
module_register_init: MOD_LOAD (vesa, 0xffffffff80f2eb70, 0) error 19
random: registering fast source Intel Secure Key RNG
random: fast provider: "Intel Secure Key RNG"
vtvga0: <VT VGA driver> on motherboard
cryptosoft0: <software crypto> on motherboard
acpi0: <Xen> on motherboard
acpi0: Power Button (fixed)
acpi0: Sleep Button (fixed)
cpu0: <ACPI CPU> on acpi0
hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 62500000 Hz quality 950
attimer0: <AT timer> port 0x40-0x43 irq 0 on acpi0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
atrtc0: <AT realtime clock> port 0x70-0x71 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 0xb008-0xb00b on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
isab0: <PCI-ISA bridge> at device 1.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX3 WDMA2 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xc400-0xc40f at device 1.1 on pci0
ata0: <ATA channel> at channel 0 on atapci0
ata1: <ATA channel> at channel 1 on atapci0
pci0: <bridge> at device 1.3 (no driver attached)
xenpci0: <Xen Platform Device> port 0xc000-0xc0ff mem 0xf2000000-0xf2ffffff irq
24 at device 2.0 on pci0
vgapci0: <VGA-compatible display> mem
0xf0000000-0xf1ffffff,0xf30d0000-0xf30d0fff at device 3.0 on pci0
vgapci0: Boot video device
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model IntelliMouse Explorer, device ID 4
fdc0: <floppy drive controller> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: does not respond
device_attach: fdc0 attach returned 6
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
uart0: console (9600,n,8,1)
xenpv0: <Xen PV bus> on motherboard
granttable0: <Xen Grant-table Device> on xenpv0
xen_et0: <Xen PV Clock> on xenpv0
Event timer "XENTIMER" frequency 1000000000 Hz quality 950
Timecounter "XENTIMER" frequency 1000000000 Hz quality 950
xenstore0: <XenStore> on xenpv0
evtchn0: <Xen event channel user-space device> on xenpv0
privcmd0: <Xen privileged interface user-space device> on xenpv0
debug0: <Xen debug handler> on xenpv0
orm0: <ISA Option ROM> at iomem 0xef000-0xeffff on isa0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
fdc0: No FDOUT register!
ppc0: cannot reserve I/O port range
Timecounters tick every 1.000 msec
xenballoon0: <Xen Balloon Device> on xenstore0
xctrl0: <Xen Control Device> on xenstore0
xs_dev0: <Xenstore user-space device> on xenstore0
xenbusb_front0: <Xen Frontend Devices> on xenstore0
xenbusb_add_device: Device device/suspend/event-channel ignored. State 6
xn0: <Virtual Network Interface> at device/vif/0 on xenbusb_front0
xn0: Ethernet address: 00:16:3e:f1:04:bd
xn1: <Virtual Network Interface> at device/vif/1 on xenbusb_front0
xn1: Ethernet address: 00:16:3e:f1:14:bd
xn0: backend features: feature-sg feature-gso-tcp4
xn2: <Virtual Network Interface> at device/vif/2 on xenbusb_front0
xn1: backend features: feature-sg feature-gso-tcp4
xn2: Ethernet address: 00:16:3e:f1:24:bd
xenbusb_back0: <Xen Backend Devices> on xenstore0
xn2: backend features: feature-sg feature-gso-tcp4
xbd0: 3072MB <Virtual Block Device> at device/vbd/51712 on xenbusb_front0
xbd0: features: flush, write_barrier
xbd0: synchronize cache commands enabled.
taskqgroup_adjust failed cnt: 1 stride: 1 mp_ncpus: 1 smp_started: 0
taskqgroup_adjust failed cnt: 1 stride: 1 mp_ncpus: 1 smp_started: 0
Timecounter "TSC-low" frequency 1800037036 Hz quality 800
WARNING: WITNESS option enabled, expect reduced performance.
Trying to mount root from ufs:/dev/xbd0p2 [rw]...
xn0: link state changed to DOWN
xn0: link state changed to UP
xn1: link state changed to DOWN
xn1: link state changed to UP
xn2: link state changed to DOWN
xn2: link state changed to UP

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