Date: Tue, 18 Jan 2011 14:30:53 +0000 From: Anton Shterenlikht <mexas@bristol.ac.uk> To: freebsd-current@freebsd.org, freebsd-ia64@freebsd.org Subject: Re: fatal kernel trap (cpu 1): trap vector = 0x14 (Page Not Present) Message-ID: <20110118143053.GA2327@mech-cluster241.men.bris.ac.uk> In-Reply-To: <20110117124119.GA1589@mech-cluster241.men.bris.ac.uk> References: <20110117124119.GA1589@mech-cluster241.men.bris.ac.uk>
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On Mon, Jan 17, 2011 at 12:41:19PM +0000, Anton Shterenlikht wrote:
> On ia64 r216732 I got this panic:
>
>
> - - - - - - - - - - Prior Console Output - - - - - - - - - -
> cr.iip = 0xe00000000482b8a0
> cr.ipsr = 0x210080a6038 (ac,mfl,mfh,ic,i,dt,dfh,rt,cpl=0,it,ri=1)
> cr.isr = 0xa0200000000 (code=0,vector=0,w,ei=1,ed)
> cr.ifa = 0x71000406376e661
> curthread = 0xe00000001198e450
> pid = 41614, comm = initial thread
>
> [ thread pid 41614 tid 100081 ]
> Stopped at bzero+0xd1: [M1] st8 [r21]=r0,0x40
> db>
> - - - - - - - - - - - - Live Console - - - - - - - - - - - -
> db> thread 100081
> [ thread pid 41614 tid 100081 ]
> bzero+0xd1: [M1] st8 [r21]=r0,0x40
> db>
> db> show thread
> Thread 100081 at 0xe00000001198e450:
> proc (pid 41614): 0xe000000011982cd8
> name: initial thread
> stack: 0xa0000000c6eca000-0xa0000000c6ed1fff
> flags: 0x10004 pflags: 0
> state: RUNNING (CPU 1)
> priority: 201
> container lock: sched lock 1 (0xe000000004a1db80)
> db>
> db> bt
> Tracing pid 41614 tid 100081 td 0xe00000001198e450
> UNW: unw_copyin_from_pcb(0xe000000004a36e40, 102)
> bzero() at bzero+0xd1
> vfs_bio_clrbuf(0xa00000007ee73a80, 0xa0000000aa57a000, 0x2000, 0xa0000000aa57c00
> 0, 0xa00000007ee73bb0, 0xffff, 0x0, 0x0) at vfs_bio_clrbuf+0x400
> ffs_balloc_ufs2(0xe00000001b70c000, 0x0, 0x25ce, 0xe00000001c224a00, 0x2010000,
> 0xa0000000c6ed1240) at ffs_balloc_ufs2+0x1630
> ffs_write(0xa0000000c6ed1328, 0x25ce, 0x0) at ffs_write+0x520
> VOP_WRITE_APV(0xe0000000049c6698, 0xa0000000c6ed1328, 0x0, 0x0) at VOP_WRITE_APV
> +0x2d0
> vn_write(0xe00000001fc5f2c0, 0xa0000000c6ed1360, 0xe00000001c224a00, 0x0, 0xe000
> 00001b70c000) at vn_write+0x420
> dofilewrite(0xe00000001198e450, 0x3, 0xe00000001fc5f2c0, 0xa0000000c6ed1360, 0xf
> fffffffffffffff, 0x0) at dofilewrite+0x160
> kern_writev(0xe00000001198e450, 0x3, 0xa0000000c6ed1360) at kern_writev+0x70
> write(0xe00000001198e450, 0xa0000000c6ed14e8, 0xe00000000443e610, 0x50e) at writ
> e+0xd0
> syscallenter(0xe00000001198e450, 0xa0000000c6ed13a0, 0xa0000000c6ed13a8) at sysc
> allenter+0x4e0
> syscall(0xa0000000c6ed14c8, 0xe00000001198e450, 0x25ce, 0xe00000000483e180, 0x8,
> 0x309) at syscall+0x60
> epc_syscall_return() at epc_syscall_return
> db>
>
> >From console logs:
>
> Jan 17 09:03:52 mech-cluster241 su: mexas to root on /dev/pts/2
> lock order reversal: (sleepable after non-sleepable)
> 1st 0xe00000001f558948 vm object (standard object) @ /usr/src/sys/kern/vfs_bio.
> c:3739
>
> _sx_slock(0xe0000000118bb018, 0x0, 0xe0000000048c6460, 0xe11) at _sx_slock+0xb0
> _vm_map_lock_read(0xe0000000118bafa0, 0xe0000000048c6460, 0xe11, 0xe0000000047ca
> 600) at _vm_map_lock_read+0x80
> vm_map_lookup(0xa0000000c6ed0118, 0x71000406376e000, 0x2, 0xa0000000c6ed0120, 0x
> a0000000c6ed0108, 0xa0000000c6ed0110, 0xa0000000c6ed0060, 0xa0000000c6ed0064) at
> vm_map_lookup+0x70
> vm_fault_hold(0xe0000000118bafa0, 0x71000406376e000, 0x2, 0x0, 0x0) at vm_fault_
> hold+0x260
> vm_fault(0xe0000000118bafa0, 0x71000406376e000, 0x2, 0x0, 0xe0000000048431c0, 0x
> 716, 0x716) at vm_fault+0x40
> trap(0x14, 0xa0000000c6ed0c00) at trap+0x9a0
> ivt_Data_TLB() at ivt_Data_TLB+0x1d0
> --- trapframe at 0xa0000000c6ed0c00
> bzero() at bzero+0xd1
> vfs_bio_clrbuf(0xa00000007ee73a80, 0xa0000000aa57a000, 0x2000, 0xa0000000aa57c00
> 0, 0xa00000007ee73bb0, 0xffff, 0x0, 0x0) at vfs_bio_clrbuf+0x400
> ffs_balloc_ufs2(0xe00000001b70c000, 0x0, 0x25ce, 0xe00000001c224a00, 0x2010000,
> 0xa0000000c6ed1240) at ffs_balloc_ufs2+0x1630
> ffs_write(0xa0000000c6ed1328, 0x25ce, 0x0) at ffs_write+0x520
> VOP_WRITE_APV(0xe0000000049c6698, 0xa0000000c6ed1328, 0x0, 0x0) at VOP_WRITE_APV
> +0x2d0
>
> kern_writev(0xe00000001198e450, 0x3, 0xa0000000c6ed1360) at kern_writev+0x70
> write(0xe00000001198e450, 0xa0000000c6ed14e8, 0xe00000000443e610, 0x50e) at writ
> e+0xd0
> syscallenter(0xe00000001198e450, 0xa0000000c6ed13a0, 0xa0000000c6ed13a8) at sysc
> allenter+0x4e0
> syscall(0xa0000000c6ed14c8, 0xe00000001198e450, 0x25ce, 0xe00000000483e180, 0x8,
> 0x309) at syscall+0x60
> epc_syscall_return() at epc_syscall_return
>
> fatal kernel trap (cpu 1):
>
> trap vector = 0x14 (Page Not Present)
> cr.iip = 0xe00000000482b8a0
> cr.ipsr = 0x210080a6038 (ac,mfl,mfh,ic,i,dt,dfh,rt,cpl=0,it,ri=1)
> cr.isr = 0xa0200000000 (code=0,vector=0,w,ei=1,ed)
> cr.ifa = 0x71000406376e661
> curthread = 0xe00000001198e450
> pid = 41614, comm = initial thread
>
> [ thread pid 41614 tid 100081 ]
> Stopped at bzero+0xd1: [M1] st8 [r21]=r0,0x40
>
I got a similar panic twice more, but now with
trap vector = 0x19 (Disabled FP-Register)
All three times I was running
"make test" under ports/ImageMagick. Quite a few
other processes were running at the time as well, firefox, etc.
fatal kernel trap (cpu 0):
trap vector = 0x19 (Disabled FP-Register)
cr.iip = 0x200000004019e2d0
cr.ipsr = 0x1010080a6030 (mfl,mfh,ic,i,dt,dfh,rt,cpl=0,it,ri=0,bn)
cr.isr = 0x400000002 (code=2,vector=0,r,ei=0)
cr.ifa = 0x2000000040142000
curthread = 0xe0000000118b68a0
pid = 16328, comm = initial thread
[ thread pid 16328 tid 100077 ]
Stopped at 0x200000004019e2d0: [M0] ldfd f32=[r106]
db>
db>
db> show thread
Thread 100077 at 0xe0000000118b68a0:
proc (pid 16328): 0xe0000000119aa000
name: initial thread
stack: 0xa0000000c6eaa000-0xa0000000c6eb1fff
flags: 0x4 pflags: 0
state: RUNNING (CPU 0)
priority: 202
container lock: sched lock 0 (0xe000000004a1cf00)
db>
db> thread 100077
[ thread pid 16328 tid 100077 ]
0x200000004019e2d0: [M0] ldfd f32=[r106]
db>
db> bt
Tracing pid 16328 tid 100077 td 0xe0000000118b68a0
(null)(...) at 0x200000004019e2d0
db>
And another one:
fatal kernel trap (cpu 1):
trap vector = 0x19 (Disabled FP-Register)
cr.iip = 0x200000004019e2d0
cr.ipsr = 0x1010080a6030 (mfl,mfh,ic,i,dt,dfh,rt,cpl=0,it,ri=0,bn)
cr.isr = 0x400000002 (code=2,vector=0,r,ei=0)
cr.ifa = 0x20000000437b4000
curthread = 0xe0000000119a3590
pid = 13378, comm = initial thread
[ thread pid 13378 tid 100084 ]
Stopped at 0x200000004019e2d0: [M0] ldfd f32=[r106]
db> show thread
Thread 100084 at 0xe0000000119a3590:
proc (pid 13378): 0xe00000001199c000
name: initial thread
stack: 0xa0000000c6ee2000-0xa0000000c6ee9fff
flags: 0x4 pflags: 0
state: RUNNING (CPU 1)
priority: 201
container lock: sched lock 1 (0xe000000004a1db80)
db>
db> thread 100084
[ thread pid 13378 tid 100084 ]
0x200000004019e2d0: [M0] ldfd f32=[r106]
db> bt
Tracing pid 13378 tid 100084 td 0xe0000000119a3590
(null)(...) at 0x200000004019e2d0
db>
db> panic
panic: from debugger
cpuid = 1
KDB: stack backtrace:
db_trace_self(0xe000000004164be0) at db_trace_self+0x20
db_trace_self_wrapper(0xe0000000044234f0) at db_trace_self_wrapper+0x70
kdb_backtrace(0xe0000000049f3d88, 0xe0000000043c5820, 0x30a, 0xe000000004bd4220)
at kdb_backtrace+0xc0
mi_switch(0x100, 0x0, 0xe0000000119a3590, 0xe0000000044037c0) at mi_switch+0x280
sched_bind(0xe0000000119a3590, 0x0, 0xe0000000119a39a8, 0xe0000000043b3f20) at s
ched_bind+0x170
kern_reboot(0x104, 0xe0000000119a3590, 0xe000000004892260, 0x793) at kern_reboot
+0x70
panic(0xe00000000486be58) at panic+0x330
db_panic(0xe000000004160010, 0x40c, 0xffffffffffffffff) at db_panic+0x40
db_command(0xe0000000049f2fa0, 0x0, 0x1) at db_command+0x750
db_command_loop(0xe0000000049f2fc8, 0xe0000000049f2f98, 0xe0000000049f2fa0, 0xe0
0000000486bf08) at db_command_loop+0xf0
db_trap(0x19, 0xe000000004423940) at db_trap+0x2b0
kdb_trap(0x19, 0x0, 0xa0000000c6ee9400, 0x1) at kdb_trap+0x200
trap_panic(0x19, 0xa0000000c6ee9400, 0xe0000000048434d0, 0x716, 0x9fffffffffff85
50) at trap_panic+0x70
trap(0x19, 0xa0000000c6ee9400) at trap+0xcb0
ivt_Disabled_FP_Register() at ivt_Disabled_FP_Register+0x30
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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