Re: KDB panic with 2 vcpus

2009/1/22 Gavin Atkinson <gavin_at_freebsd.org>

>
> At this point, can you enter the following commands and show the result?
>
> bt
> show alllocks
>
> Thanks,
>
> Gavin
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Gavin,

I've just built the latest kernel and have the same issue.

The machine is a VmWare 2-CPU box, running on host with Intel Core2 CPU.
Here are the logs:
le1: <RMD PCnet-PCI> port Bxl4ee-Bxl47f irq 18 at device 17.0 on pciB
le1: 16 receive buffers, 4 transMit buffers
le1: Ethernet address: 88:8c:29:dl:14:96
le1: [ITHRERD]
acpi_acad8: <RC Rdapter> on acpiB
atrtc8: <RT realtiMe clock> port 8x78-8x71 irq 8 on acpiB
atkbdcB: <Keuboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <fiT Keyboard> irq 1 on atkbdc0
kbd8 at atkbdB
atkbdB: [GIRNT-LBCKEDl
atkbdB: [ITHRERD]
psMB: <PS/2 Mouse> irq 12 on atkbdcB
psMB: [GIRNT-LBCKEDl
psM0: [ITHRERD]
psM0: Model IntelliMouse, device ID 3
ppcB: <Parallel port> port 8x378-8x37f irq 7 on acpiB
ppcB: Generic chipset (NIDDLE-only) in CBMPRTIDLE Mode
ppcB: [ITHRERD]
ppbusB: <Parallel port bus> on ppcB
panic: Mutex ppcB not ouned at /usr/src/sys/dev/ppc/ppc.c:1983
cpuid = 8
HDD: enter: panic
[thread pid 8 tid 188888 ]
Stopped at kdb_enter+8x3a: movI $8,kdb_why
db> bt
ppbus_attach(c2a7a38B,c29b8B54,cBcdl6c8,c8bef7bd,88888888,.. ) at
ppbus_attach+8xl48
device_attach(c2a7a388,4,c8bef746,969) at device_attach+8x36f
device_probe_and_attach(c2a7a388,c8bd3el5,ffffffff,8,c86ff858,...) at
device_probe_and_attach+8x4e
ppc_attach(c2a67188,c8cdl6c8,c2a671cc,cl42Bb84,c2a674BB,...) at
ppc_attach+8xl43
Ppc_isa_attach(c2a67188,c29c4854,c8cdl6c8,c8bef7bd,88888888,...) at
ppc_isa_attach*8x7f
device_attach(c2a6718B,4,cBbef746,969) at device_attach+8x36f
device_probe_and_attach(c2a67188,184f,cl428c64,cB4cf896,c2a67488,...) at
device.
probe_and_attach+8x4e
bus_generic_attach(c2a67488,184B,lB4f,c2a78a28,1B4B,...) at bus_gener
ic_attach+8xl9
acpi_attach(c2a67468,c2a84854,c8cdl6c8,c8bef7bd,88888888,...) at
acpi_attach+0xba6
device_attach(c2a67488,4,c8bef746,969) at device_attach+8x36f
device_probe_and_attach(c2a67488,c2a67988,cl428cf8,c8bl728e,c2a67988,...) at
device_probe_and_attach+6x4e
bus_generic_attach(c2a67988,a,c8baB616,B) at bus_generic_attach+8xl9
nexus_acpi_attach(c2a67988,c2a2c854,c8cdl6c8,c8bef?bd,88886888,...) at
nexus_acpi_attach+8x7e
device_attach(c2a67988,4,c8bef746,969) at device_attach+0x36f
device_probe_and_attach(c2a67988,c8c28494,cl428d6c,c8blcl8c,c8b9e722,...) at
device_probe_and_attach+0x4e
Ppc_attach(c2a67180,c0cdl6c8,c2a671cc,cl420b84,c2a67400,...) at
ppc_attach+0xl43
Ppc_isa_attach(c2a67180,c29c4054,c0cdl6c8,c0bef7bd,80000000,...) at
ppc_isa_attach*0x7f
device_attach(c2a67180,4,c0bef746,969) at device_attach+0x36f
device_probe_and_attach(c2a67180,104f,cl420c64,c04cf896,c2a67400,...) at
device probe_and_attach+0x4e
bus_generic_attach(c2a67400,1040,104f,c2a70a28,1040,...) at bus_gener
ic_attach+0xl9
acpi_attach(c2a67400,c2a04054,c0cdl6c8,cObef7bd,80000000,...) at
acpi_attach+8xba6
device_attach(c2a67400,4,c0bef746,969) at device_attach+0x36f
device_probe_and_attach(c2a67400,c2a67980,cl420cf0,c0bl720e,c2a67980,...) at
device_probe_and_attach+0x4e
bus_generic_attach(c2a67980,a,c0ba0616,0) at bus_generic_attach+0xl9
nexus_acpi_attach(c2a6798O,c2a2c054,c0cdl6c8,c0bef7bd,80000000,...) at
nexus_acpi_attach+0x7e
device_attach(c2a67980,4,c0bef746,969) at device_attach+0x36f
device_probe_and_attach(c2a67980,c0c28494,cl428d6c,c0blcl8c,c0b9e722,...) at
device_probe_and_attach+0x4e
root_b??s_configure(c0b9e722,cl420d88,c07fdfc6,0,141ec00,...) at
root_bus_configure+0xlb
configure(0,141ec00,141ec00,141e000,1425000,...) at configure+8xc
Mi_startup() at Mi_startup+0x96
beginO at begin+0x2c
db> show all locks
Process 0 (kernel) thread 0xc0d3db30 (100000)
exclusive sleep Mutex Giant (Giant) r = 0 (0xc0d3f590) locked _at_
/usr/src/sys/kern/kern_Module.c:117
db>
Sorry for the quality, I've captured images from the screen and ran OCR on
them.
Alexander Churanov