Date: Tue, 7 Feb 2012 10:23:05 +0000 From: Anton Shterenlikht <mexas@bristol.ac.uk> To: freebsd-ia64@freebsd.org Subject: Re: ia64 fatal kernel trap [WAS: panic] Message-ID: <20120207102305.GA81545@mech-cluster241.men.bris.ac.uk> In-Reply-To: <20120207094713.GA81250@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>
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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>
--
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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