[Bug 210106] Current won't boot on PPC64 Power8 under IBM KVM

Tue Jun 7 16:47:45 UTC 2016

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210106

            Bug ID: 210106
           Summary: Current won't boot on PPC64 Power8 under IBM KVM
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: luciano at vespaperitivo.it

The system hangs during the boot:

OK boot -v
Booting...
Kernel entry at 0x1024f0 ...
KDB: debugger backends: ddb
KDB: current backend: ddb
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 r301230: Fri Jun  3 07:51:47 UTC 2016

root at releng2.nyi.freebsd.org:/usr/obj/powerpc.powerpc64/usr/src/sys/GENERIC64
powerpc
gcc version 4.2.1 20070831 patched [FreeBSD]
WARNING: WITNESS option enabled, expect reduced performance.
VT: init without driver.
Preloaded elf kernel "/boot/kernel/kernel" at 0x1656000.
cpu0: IBM POWER8E revision 2.1, 3425.00 MHz
cpu0: Features dc005180<PPC32,PPC64,ALTIVEC,FPU,MMU,SMT,ARCH205,ARCH206,VSX>
cpu0: Features2 c2000000<ARCH207,HTM,VCRYPTO>
real memory  = 2110451712 (2012 MB)
available KVA = 7650267135 (7295 MB)
Physical memory chunk(s):
0x0000000000025000 - 0x00000000000fffff, 897024 bytes (219 pages)
0x0000000001c40000 - 0x0000000001c3ffff, 0 bytes (0 pages)
0x0000000003a49000 - 0x000000007ae67fff, 2000809984 bytes (488479 pages)
0x000000007ffa0000 - 0x000000007ffaffff, 65536 bytes (16 pages)
0x000000007ffb5000 - 0x000000007ffeffff, 241664 bytes (59 pages)
0x000000007fff1000 - 0x000000007fffffff, 61440 bytes (15 pages)
0x0000000001658000 - 0x0000000001bfffff, 5931008 bytes (1448 pages)
avail memory = 1989722112 (1897 MB)
FreeBSD/SMP: Multiprocessor System Detected: 6 CPUs
cpu0: dev=7e5e00b8 (BSP)
ULE: setup cpu 0
random: entropy device external interface
snd_unit_init() u=0x00ff8000 [512] d=0x00007c00 [32] c=0x000003ff [1024]
feeder_register: snd_unit=-1 snd_maxautovchans=16 latency=5 feeder_rate_min=1
feeder_rate_max=2016000 feeder_rate_round=25
firmware: 'isp_1040' version 1: 22944 bytes loaded at 0xc54204
firmware: 'isp_1080' version 1: 31350 bytes loaded at 0xc59ba4
firmware: 'isp_12160' version 1: 28050 bytes loaded at 0xc6161a
firmware: 'isp_2100' version 1: 76770 bytes loaded at 0xc683ac
firmware: 'isp_2200' version 1: 84566 bytes loaded at 0xc7af8e
firmware: 'isp_2300' version 1: 125252 bytes loaded at 0xc8f9e4
firmware: 'isp_2322' version 1: 120814 bytes loaded at 0xcae328
firmware: 'isp_2400' version 1: 204384 bytes loaded at 0xccf690
firmware: 'isp_2500' version 1: 223908 bytes loaded at 0xd0f0c0
kbd0 at kbdmux0
mem: <memory>
nfslock: pseudo-device
null: <full device, null device, zero device>
openfirm: <Open Firmware control device>
random: harvesting attach, 8 bytes (4 bits) from nexus0
ofwbus0: <Open Firmware Device Tree> on nexus0
random: harvesting attach, 8 bytes (4 bits) from ofwbus0
xicp0: <PAPR virtual interrupt controller> on ofwbus0
random: harvesting attach, 8 bytes (4 bits) from xicp0
cpulist0: <Open Firmware CPU Group> on ofwbus0
cpu0: <Open Firmware CPU> on cpulist0
random: harvesting attach, 8 bytes (4 bits) from cpu0
cpu1: <Open Firmware CPU> on cpulist0
random: harvesting attach, 8 bytes (4 bits) from cpu1
cpu2: <Open Firmware CPU> on cpulist0
random: harvesting attach, 8 bytes (4 bits) from cpu2
cpu3: <Open Firmware CPU> on cpulist0
random: harvesting attach, 8 bytes (4 bits) from cpu3
cpu4: <Open Firmware CPU> on cpulist0
random: harvesting attach, 8 bytes (4 bits) from cpu4
cpu5: <Open Firmware CPU> on cpulist0
random: harvesting attach, 8 bytes (4 bits) from cpu5
random: harvesting attach, 8 bytes (4 bits) from cpulist0
pcib0: <RTAS Host-PCI bridge> on ofwbus0
pci0: <POWER Hypervisor PCI bus> on pcib0
pci0: domain=0, physical bus=0
found-> vendor=0x1af4, dev=0x1002, revid=0x00
        domain=0, bus=0, slot=3, func=0
        class=00-ff-00, hdrtype=0x00, mfdev=0
        cmdreg=0x0100, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
        intpin=a, irq=0
        map[10]: type I/O Port, range 32, base 0x20, size  5, port disabled
found-> vendor=0x106b, dev=0x003f, revid=0x00
        domain=0, bus=0, slot=2, func=0
        class=0c-03-10, hdrtype=0x00, mfdev=0
        cmdreg=0x0106, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
        intpin=a, irq=0
        map[10]: type Memory, range 32, base 0xc0000000, size  8, enabled
found-> vendor=0x10ec, dev=0x8139, revid=0x20
        domain=0, bus=0, slot=1, func=0
        class=02-00-00, hdrtype=0x00, mfdev=0
        cmdreg=0x0100, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
        intpin=a, irq=0
        map[10]: type I/O Port, range 32, base 0x100, size  8, port disabled
        map[14]: type Memory, range 32, base 0xc0000100, size  8, memory
disabled
pci0: <old> at device 3.0 (no driver attached)
ohci0: <Apple KeyLargo/Intrepid USB controller> mem 0xc0000000-0xc00000ff irq
4100 at device 2.0 on pci0
ohci0: Mapping IOMMU domain 0x80000000
ofw_pci mapdev: start 100e0000000, len 256
usbus0 on ohci0
ohci0: usbpf: Attached
random: harvesting attach, 8 bytes (4 bits) from usbus0
random: harvesting attach, 8 bytes (4 bits) from ohci0
re0: <RealTek 8139C+ 10/100BaseTX> port 0x100-0x1ff mem 0xc0000100-0xc00001ff
irq 4099 at device 1.0 on pci0
ofw_pci mapdev: start 100e0000100, len 256
re0: MSI count : 0
re0: MSI-X count : 0
re0: Chip rev. 0x74800000
re0: MAC rev. 0x00000000
re0: Mapping IOMMU domain 0x80000000
miibus0: <MII bus> on re0
rlphy0: <RealTek internal media interface> PHY 0 on miibus0
rlphy0: OUI 0x000000, model 0x0000, rev. 0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto, auto-flow
random: harvesting attach, 8 bytes (4 bits) from rlphy0
random: harvesting attach, 8 bytes (4 bits) from miibus0
re0: Using defaults for TSO: 65518/35/2048
re0: bpf attached
re0: Ethernet address: 52:54:00:1a:cd:48
random: harvesting attach, 8 bytes (4 bits) from re0
random: harvesting attach, 8 bytes (4 bits) from pci0
random: harvesting attach, 8 bytes (4 bits) from pcib0
rtas0: <Run-Time Abstraction Services> on ofwbus0
rtas0: registered as a time-of-day clock (resolution 2000us, adjustment
0.001000000s)
random: harvesting attach, 8 bytes (4 bits) from rtas0
vdevice0: <POWER Hypervisor Virtual Device Root> on ofwbus0
vscsi0: <POWER Hypervisor Virtual SCSI Bus> irq 16781319 on vdevice0
vscsi0: Mapping IOMMU domain 0x2000
vscsi0: Queue depth 22 commands
random: harvesting attach, 8 bytes (4 bits) from vscsi0
uart0: <POWER Hypervisor Virtual Serial Port> irq 16781320 on vdevice0
random: harvesting attach, 8 bytes (4 bits) from uart0
random: harvesting attach, 8 bytes (4 bits) from vdevice0
ofwbus0: <hypervisor> compat linux,kvm (no driver attached)
procfs registered
Timecounter "timebase" frequency 512000000 Hz quality 0
Event timer "decrementer" frequency 512000000 Hz quality 1000
Timecounters tick every 1.000 msec
vlan: initialized, using hash tables with chaining
tcp_init: net.inet.tcp.tcbhashsize auto tuned to 16384
lo0: bpf attached
usbus0: 12Mbps Full Speed USB v1.0
(probe0:vscsi0:0:0:0): Down reving Protocol Version from 6 to 5?
ugen0.1: <Apple> at usbus0
uhub0: <Apple OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
(probe0:vscsi0:0:0:2): Down reving Protocol Version from 6 to 5?
(probe0:vscsi0:0:0:1): Down reving Protocol Version from 6 to 5?
pass0 at vscsi0 bus 0 scbus0 target 0 lun 0
pass0: <QEMU QEMU TARGET 2.3> Fixed Uninstalled SPC-3 SCSI device (offline)
pass0: 150.000MB/s transfers
pass1 at vscsi0 bus 0 scbus0 target 0 lun 1
pass1: <QEMU QEMU CD-ROM 2.3.> Removable CD-ROM SPC-3 SCSI device
pass1: 150.000MB/s transfers
pass2 at vscsi0 bus 0 scbus0 target 0 lun 2
pass2: <QEMU QEMU HARDDISK 2.3.> Fixed Direct Access SPC-3 SCSI device
pass2: 150.000MB/s transfers
cd0 at vscsi0 bus 0 scbus0 target 0 lun 1
cd0: <QEMU QEMU CD-ROM 2.3.> Removable CD-ROM SPC-3 SCSI device
cd0: 150.000MB/s transfers
cd0: 695MB (356002 2048 byte sectors)
da0 at vscsi0 bus 0 scbus0 target 0 lun 2
da0: <QEMU QEMU HARDDISK 2.3.> Fixed Direct Access SPC-3 SCSI device
da0: 150.000MB/s transfers
da0: 20480MB (41943040 512 byte sectors)
Adding CPU 0, pir=28, awake=1
Waking up CPU 8 (dev=7e5e08d8)
Adding CPU 8, pir=20, awake=1
Waking up CPU 16 (dev=7e5e10f8)
Adding CPU 16, pir=20, awake=1
Waking up CPU 24 (dev=7e5e1918)
Adding CPU 24, pir=20, awake=1
Waking up CPU 32 (dev=7e5e2138)
Adding CPU 32, pir=20, awake=1
Waking up CPU 40 (dev=7e5e2958)
Adding CPU 40, pir=20, awake=1
SMP: AP CPU #8 launched
SMP: AP CPU #32 launched
SMP: AP CPU #16 launched
SMP: AP CPU #24 launched
SMP: AP CPU #40 launched

and freezes with the allocated cpus at 100%

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