Date: Tue, 7 Feb 2012 11:15:57 +0000 From: Anton Shterenlikht <mexas@bristol.ac.uk> To: freebsd-ia64@freebsd.org Subject: Re: fatal kernel trap Message-ID: <20120207111557.GA82299@mech-cluster241.men.bris.ac.uk> In-Reply-To: <20120207102305.GA81545@mech-cluster241.men.bris.ac.uk> References: <20120206142239.GA71689@mech-cluster241.men.bris.ac.uk> <20120206144444.GA71830@mech-cluster241.men.bris.ac.uk> <20120207094713.GA81250@mech-cluster241.men.bris.ac.uk> <20120207102305.GA81545@mech-cluster241.men.bris.ac.uk>
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On Tue, Feb 07, 2012 at 10:23:05AM +0000, Anton Shterenlikht wrote:
> On Tue, Feb 07, 2012 at 09:47:13AM +0000, Anton Shterenlikht wrote:
> > On Mon, Feb 06, 2012 at 02:44:44PM +0000, Anton Shterenlikht wrote:
> > > > fatal kernel trap (cpu 1):
> > > >
> > > > trap vector = 0x14 (Page Not Present)
> > > > cr.iip = 0x9ffc0000008cb960
> > > > cr.ipsr = 0x1010080a6018 (ac,mfl,ic,i,dt,dfh,rt,cpl=0,it,ri=0,bn)
> > > > cr.isr = 0x400000000 (code=0,vector=0,r,ei=0)
> > > > cr.ifa = 0x168
> > > > curthread = 0xe000000011a9f9e0
> > > > pid = 760, comm = dig
> > > >
> > > > [ thread pid 760 tid 100073 ]
> > > > Stopped at cpu_set_upcall+0x190: [M0] ld8 r14=[r14] ;;
> > > > db>
> > > > db> show proc 760
> > > > Process 760 (dig) at 0xe000000011a9a8e0:
> > > > state: NORMAL
> > > > uid: 0 gids: 0
> > > > parent: pid 759 at 0xe000000011b64000
> > > > ABI: FreeBSD ELF64
> > > > arguments: dig
> > > > threads: 1
> > > > 100073 Run CPU 1 dig
> > > > db>
> > > > db> thread 100073
> > > > [ thread pid 760 tid 100073 ]
> > > > cpu_set_upcall+0x190: [M0] ld8 r14=[r14] ;;
> > > > db>
> > > > db> bt
> > > > Tracing pid 760 tid 100073 td 0xe000000011a9f9e0
> > > > cpu_set_upcall(0xe000000011a9e8a0, 0xe000000011a9f9e0, 0xa0000000f87ab780, 0xa0000000f87ab550) at cpu_set_upcall+0x190
> > > > create_thread(0xe000000011a9f9e0, 0x0, 0x1209a7090, 0x120c04800, 0x7fffffffff9fe000, 0x200000, 0x12039c200, 0x120c04800) at create_thread+0x1c0
> > > > kern_thr_new(0xe000000011a9f9e0, 0xa0000000f872b330, 0x9ffc000000436360) at kern_thr_new+0x100
> > > > sys_thr_new(0xe000000011a9f9e0, 0xa0000000f872b4e8, 0x9ffc0000008c6bf0, 0x48d) at sys_thr_new+0xa0
> > > > syscall(0xe000000011a9a8e0, 0xa0000000f872b3a8, 0x120c0442c, 0xe000000011a9f9e0, 0x0, 0x0, 0x9ffc0000008c2ec0, 0x8) at syscall+0x550
> > > > epc_syscall_return() at epc_syscall_return
> > > > db>
> >
> > This panic now happens very often:
> >
> > fatal kernel trap (cpu 0):
> >
> > trap vector = 0x14 (Page Not Present)
> > cr.iip = 0x9ffc0000008cb960
> > cr.ipsr = 0x1010080a6018 (ac,mfl,ic,i,dt,dfh,rt,cpl=0,it,ri=0,bn)
> > cr.isr = 0x400000000 (code=0,vector=0,r,ei=0)
> > cr.ifa = 0x168
> > curthread = 0xe0000000114159e0
> > pid = 57093, comm = csup
> >
> > [ thread pid 57093 tid 100058 ]
> > Stopped at cpu_set_upcall+0x190: [M0] ld8 r14=[r14] ;;
> > db>
> > db> show thread
> > Thread 100058 at 0xe0000000114159e0:
> > proc (pid 57093): 0xe00000001198ed50
> > name: csup
> > stack: 0xa0000000ecd4e000-0xa0000000ecd55fff
> > flags: 0x4 pflags: 0
> > state: RUNNING (CPU 0)
> > priority: 126
> > container lock: sched lock 0 (0x9ffc000000ca6a00)
> > db>
> > db> show proc
> > Process 57093 (csup) at 0xe00000001198ed50:
> > state: NORMAL
> > uid: 0 gids: 0, 5
> > parent: pid 57091 at 0xe000000011aac470
> > ABI: FreeBSD ELF64
> > arguments: /usr/bin/csup
> > threads: 1
> > 100058 Run CPU 0 csup
> > db>
> > db> bt
> > Tracing pid 57093 tid 100058 td 0xe0000000114159e0
> > cpu_set_upcall(0xe000000015e79590, 0xe0000000114159e0, 0xa0000000f89fb780, 0xa0000000f89fb550) at cpu_set_upcall+0x190
> > create_thread(0xe0000000114159e0, 0x0, 0x1200b3890, 0x120805800, 0x7fffffffff9fe000, 0x200000, 0x1200b6200, 0x120805800) at create_thread+0x1c0
> > kern_thr_new(0xe0000000114159e0, 0xa0000000ecd55330, 0x9ffc000000436360) at kern_thr_new+0x100
> > sys_thr_new(0xe0000000114159e0, 0xa0000000ecd554e8, 0x9ffc0000008c6bf0, 0x48d) at sys_thr_new+0xa0
> > syscall(0xe00000001198ed50, 0xa0000000ecd553a8, 0x12080442c, 0xe0000000114159e0, 0x0, 0x0, 0x9ffc0000008c2ec0, 0x8) at syscall+0x550
> > epc_syscall_return() at epc_syscall_return
> > db>
>
> and again:
>
> fatal kernel trap (cpu 0):
>
> trap vector = 0x14 (Page Not Present)
> cr.iip = 0x9ffc0000008d1960
> cr.ipsr = 0x1010080a6018 (ac,mfl,ic,i,dt,dfh,rt,cpl=0,it,ri=0,bn)
> cr.isr = 0x400000000 (code=0,vector=0,r,ei=0)
> cr.ifa = 0x168
> curthread = 0xe000000011ed88a0
> pid = 1002, comm = csup
>
> [ thread pid 1002 tid 100104 ]
> Stopped at cpu_set_upcall+0x190: [M0] ld8 r14=[r14] ;;
> db> show thread
> Thread 100104 at 0xe000000011ed88a0:
> proc (pid 1002): 0xe000000011b70470
> name: csup
> stack: 0xa0000000f881c000-0xa0000000f8823fff
> flags: 0x4 pflags: 0
> state: RUNNING (CPU 0)
> priority: 121
> container lock: sched lock 0 (0x9ffc000000cb6b80)
> db> show proc
> Process 1002 (csup) at 0xe000000011b70470:
> state: NORMAL
> uid: 0 gids: 0, 5
> parent: pid 998 at 0xe000000011fc8470
> ABI: FreeBSD ELF64
> arguments: csup
> threads: 1
> 100104 Run CPU 0 csup
> db> bt
> Tracing pid 1002 tid 100104 td 0xe000000011ed88a0
> cpu_set_upcall(0xe000000011b8a000, 0xe000000011ed88a0, 0xa0000000f889b780, 0xa0000000f889b550) at cpu_set_upcall+0x190
> create_thread(0xe000000011ed88a0, 0x0, 0x1200b3890, 0x120805800, 0x7fffffffff9fe000, 0x200000, 0x1200b6200, 0x120805800) at create_thread+0x1c0
> kern_thr_new(0xe000000011ed88a0, 0xa0000000f8823330, 0x9ffc0000004363d0) at kern_thr_new+0x100
> sys_thr_new(0xe000000011ed88a0, 0xa0000000f88234e8, 0x9ffc0000008ccbf0, 0x48d) at sys_thr_new+0xa0
> syscall(0xe000000011b70470, 0xa0000000f88233a8, 0x12080442c, 0xe000000011ed88a0, 0x0, 0x0, 0x9ffc0000008c80a0, 0x8) at syscall+0x550
> epc_syscall_return() at epc_syscall_return
> db>
Now it's ruby:
fatal kernel trap (cpu 1):
trap vector = 0x14 (Page Not Present)
cr.iip = 0x9ffc0000008d1960
cr.ipsr = 0x1010080a6018 (ac,mfl,ic,i,dt,dfh,rt,cpl=0,it,ri=0,bn)
cr.isr = 0x400000000 (code=0,vector=0,r,ei=0)
cr.ifa = 0x168
curthread = 0xe000000012122000
pid = 3832, comm = ruby
[ thread pid 3832 tid 100130 ]
Stopped at cpu_set_upcall+0x190: [M0] ld8 r14=[r14] ;;
db> show thread
Thread 100130 at 0xe000000012122000:
proc (pid 3832): 0xe000000012112d50
name: ruby
stack: 0xa0000000f88ec000-0xa0000000f88f3fff
flags: 0x10004 pflags: 0
state: RUNNING (CPU 1)
priority: 182
container lock: sched lock 1 (0x9ffc000000cb7800)
db> show proc
Process 3832 (ruby) at 0xe000000012112d50:
state: NORMAL
uid: 0 gids: 0, 5
parent: pid 2574 at 0xe000000011c78470
ABI: FreeBSD ELF64
arguments: /usr/local/bin/ruby
threads: 1
100130 Run CPU 1 ruby
db> bt
Tracing pid 3832 tid 100130 td 0xe000000012122000
cpu_set_upcall(0xe000000012120cf0, 0xe000000012122000, 0xa0000000f8913780, 0xa0000000f8913550) at cpu_set_upcall+0x190
create_thread(0xe000000012122000, 0x0, 0x14064bac0, 0x140804800, 0x7ffffffff3bfe000, 0xc000000, 0x14008c200, 0x140804800) at create_thread+0x1c0
kern_thr_new(0xe000000012122000, 0xa0000000f88f3330, 0x9ffc0000004363d0) at kern_thr_new+0x100
sys_thr_new(0xe000000012122000, 0xa0000000f88f34e8, 0x9ffc0000008ccbf0, 0x48d) at sys_thr_new+0xa0
syscall(0xe000000012112d50, 0xa0000000f88f33a8, 0x14080442c, 0xe000000012122000, 0x0, 0x0, 0x9ffc0000008c80a0, 0x8) at syscall+0x550
epc_syscall_return() at epc_syscall_return
db>
--
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 331 5944
Fax: +44 (0)117 929 4423
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