Date: Mon, 20 Oct 2008 17:33:00 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-stable@freebsd.org Subject: Re: panic on RELENG_6 Message-ID: <200810201733.00682.jhb@freebsd.org> In-Reply-To: <200810181613.m9IGDG5W029203@lava.sentex.ca> References: <200810181613.m9IGDG5W029203@lava.sentex.ca>
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On Saturday 18 October 2008 12:13:22 pm Mike Tancsa wrote:
> A kernel from Feb 2008 was working just fine=20
> until we updated to a new one on Thursday
>=20
>=20
> kgdb kernel.debug /var/crash/vmcore.0
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you =
are
> welcome to change it and/or distribute copies of it under certain=20
conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show warranty" for detail=
s.
> This GDB was configured as "i386-marcel-freebsd"...
>=20
> Unread portion of the kernel message buffer:
>=20
> panic: page fault
> cpuid =3D 1
> Uptime: 1d11h24m6s
> Dumping 3580 MB (5 chunks)
> chunk 0: 1MB (159 pages) ... ok
> chunk 1: 3580MB (916227 pages) 3564 3548 3532=20
> 3516 3500 3484 3468 3452 3436 3420 3404 3388 3372=20
> 3356 3340 3324 3308 3292 3276 3260 3244 3228 3212=20
> 3196 3180 3164 3148 3132 3116 3100 3084 3068 3052=20
> 3036 3020 3004 2988 2972 2956 2940 2924 2908 2892=20
> 2876 2860 2844 2828 2812 2796 2780 2764 2748 2732=20
> 2716 2700 2684 2668 2652 2636 2620 2604 2588 2572=20
> 2556 2540 2524 2508 2492 2476 2460 2444 2428 2412=20
> 2396 2380 2364 2348 2332 2316 2300 2284 2268 2252=20
> 2236 2220 2204 2188 2172 2156 2140 2124 2108 2092=20
> 2076 2060 2044 2028 2012 1996 1980 1964 1948 1932=20
> 1916 1900 1884 1868 1852 1836 1820 1804 1788 1772=20
> 1756 1740 1724 1708 1692 1676 1660 1644 1628 1612=20
> 1596 1580 1564 1548 1532 1516 1500 1484 1468 1452=20
> 1436 1420 1404 1388 1372 1356 1340 1324 1308 1292=20
> 1276 1260 1244 1228 1212 1196 1180 1164 1148 1132=20
> 1116 1100 1084 1068 1052 1036 1020 1004 988 972=20
> 956 940 924 908 892 876 860 844 828 812 796 780=20
> 764 748 732 716 700 684 668 652 636 620 604 588=20
> 572 556 540 524 508 492 476 460 444 428 412 396=20
> 380 364 348 332 316 300 284 268 252 236 220 204=20
> 188 172 156 140 124 108 92 76 60 44 28 12 ... ok
> chunk 2: 1MB (147 pages)
>=20
> Reading symbols from /boot/kernel/acpi.ko...done.
> Loaded symbols for /boot/kernel/acpi.ko
> Reading symbols from /boot/kernel/ichwd.ko...done.
> Loaded symbols for /boot/kernel/ichwd.ko
> #0 doadump () at pcpu.h:165
> 165 pcpu.h: No such file or directory.
> in pcpu.h
> (kgdb) bt
> #0 doadump () at pcpu.h:165
> #1 0xc057f462 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c=
:410
> #2 0xc057f789 in panic (fmt=3D0xc0732b6c "%s") at=20
> /usr/src/sys/kern/kern_shutdown.c:566
> #3 0xc06f4d1c in trap_fatal (frame=3D0xebddba70,=20
> eva=3D72) at /usr/src/sys/i386/i386/trap.c:838
> #4 0xc06f4a5b in trap_pfault (frame=3D0xebddba70,=20
> usermode=3D0, eva=3D72) at /usr/src/sys/i386/i386/trap.c:745
> #5 0xc06f4695 in trap (frame=3D
> {tf_fs =3D 8, tf_es =3D 40, tf_ds =3D=20
> -337838040, tf_edi =3D 0, tf_esi =3D 0, tf_ebp =3D=20
> -337790240, tf_isp =3D -337790308, tf_ebx =3D 0,=20
> tf_edx =3D -917953980, tf_ecx =3D -337789924, tf_eax=20
> =3D 0, tf_trapno =3D 12, tf_err =3D 0, tf_eip =3D=20
> -1068033446, tf_cs =3D 32, tf_eflags =3D 66178,=20
> tf_esp =3D -1, tf_ss =3D 2147483647}) at /usr/src/sys/i386/i386/trap.c:435
> #6 0xc06df5aa in calltrap () at /usr/src/sys/i386/i386/exception.s:139
> #7 0xc0571a5a in lf_advlockasync (ap=3D0xebddbaf8,=20
> statep=3D0xc9492244, size=3DUnhandled dwarf expression opcode 0x93
> ) at /usr/src/sys/kern/kern_lockf.c:470
> #8 0xc057218b in lf_advlock (ap=3D0xc9492244,=20
> statep=3D0xc9492244, size=3D16384) at /usr/src/sys/kern/kern_lockf.c:722
> #9 0xc068d028 in ufs_advlock (ap=3D0xc9492244) at=20
> /usr/src/sys/ufs/ufs/ufs_vnops.c:2178
> #10 0xc0706a35 in VOP_ADVLOCK_APV (vop=3D0x0, a=3D0xc9492244) at vnode_if=
=2Ec:2002
> #11 0xc05df562 in kern_open (td=3D0xccc01180,=20
> path=3D0x0, pathseg=3DUIO_USERSPACE, flags=3D17, mode=3D416) at vnode_if.=
h:1029
> #12 0xc05dedfe in open (td=3D0xccc01180,=20
> uap=3D0xebddbd04) at /usr/src/sys/kern/vfs_syscalls.c:971
> #13 0xc06f5063 in syscall (frame=3D
> {tf_fs =3D 59, tf_es =3D 59, tf_ds =3D=20
> -1078001605, tf_edi =3D 16, tf_esi =3D 135291904,=20
> tf_ebp =3D -1077990024, tf_isp =3D -337789596, tf_ebx=20
> =3D 674283840, tf_edx =3D 0, tf_ecx =3D 0, tf_eax =3D 5,=20
> tf_trapno =3D 0, tf_err =3D 2, tf_eip =3D 674169623,=20
> tf_cs =3D 51, tf_eflags =3D 646, tf_esp =3D=20
> -1077990372, tf_ss =3D 59}) at /usr/src/sys/i386/i386/trap.c:984
> #14 0xc06df5ff in Xint0x80_syscall ()=20
at /usr/src/sys/i386/i386/exception.s:200
> #15 0x00000033 in ?? ()
> Previous frame inner to this frame (corrupt stack?)
> (kgdb)
>=20
> (kgdb) bt full
> #0 doadump () at pcpu.h:165
> No locals.
> #1 0xc057f462 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c=
:410
> first_buf_printf =3D 1
> #2 0xc057f789 in panic (fmt=3D0xc0732b6c "%s") at=20
> /usr/src/sys/kern/kern_shutdown.c:566
> td =3D (struct thread *) 0xccc01180
> bootopt =3D 260
> newpanic =3D 0
> ap =3D 0xccc01180 "x=EA9=CD \024=C3=CC"
> buf =3D "page fault", '\0' <repeats 245 times>
> #3 0xc06f4d1c in trap_fatal (frame=3D0xebddba70,=20
> eva=3D72) at /usr/src/sys/i386/i386/trap.c:838
> code =3D 40
> ss =3D 40
> esp =3D 0
> type =3D 12
> softseg =3D {ssd_base =3D 0, ssd_limit =3D=20
> 1048575, ssd_type =3D 27, ssd_dpl =3D 0, ssd_p =3D 1, ssd_xx =3D 10, ssd_=
xx1 =3D 2,
> ssd_def32 =3D 1, ssd_gran =3D 1}
> msg =3D 0x0
> #4 0xc06f4a5b in trap_pfault (frame=3D0xebddba70,=20
> usermode=3D0, eva=3D72) at /usr/src/sys/i386/i386/trap.c:745
> va =3D 0
> vm =3D (struct vmspace *) 0x0
> map =3D 0xcab4a940
> rv =3D 1
> ftype =3D 1 '\001'
> td =3D (struct thread *) 0xccc01180
> p =3D (struct proc *) 0xcd39ea78
> #5 0xc06f4695 in trap (frame=3D
> {tf_fs =3D 8, tf_es =3D 40, tf_ds =3D=20
> -337838040, tf_edi =3D 0, tf_esi =3D 0, tf_ebp =3D=20
> -337790240, tf_isp =3D -337790308, tf_ebx =3D 0,=20
> tf_edx =3D -917953980, tf_ecx =3D -337789924, tf_eax=20
> =3D 0, tf_trapno =3D 12, tf_err =3D 0, tf_eip =3D=20
> -1068033446, tf_cs =3D 32, tf_eflags =3D 66178,=20
> tf_esp =3D -1, tf_ss =3D 2147483647}) at /usr/src/sys/i386/i386/trap.c:435
> td =3D (struct thread *) 0xccc01180
> p =3D (struct proc *) 0xcd39ea78
> sticks =3D 3377201424
> type =3D 12
> i =3D 0
> ucode =3D 0
> code =3D 0
> eva =3D 72
> #6 0xc06df5aa in calltrap () at /usr/src/sys/i386/i386/exception.s:139
> No locals.
> #7 0xc0571a5a in lf_advlockasync (ap=3D0xebddbaf8,=20
> statep=3D0xc9492244, size=3DUnhandled dwarf expression opcode 0x93
> ) at /usr/src/sys/kern/kern_lockf.c:470
> ---Type <return> to continue, or q <return> to quit---
> state =3D (struct lockf *) 0x0
> freestate =3D (struct lockf *) 0x0
> fl =3D (struct flock *) 0xebddbc1c
> lock =3D (struct lockf_entry *) 0x6
> vp =3D (struct vnode *) 0xc94c0110
> id =3D 0xcb29d7e0 "x\026?=D3=D8=B0=CA=CD\001"
> flags =3D 48
> hash =3D -337790260
> lo =3D (struct lock_owner *) 0x0
> start =3D Unhandled dwarf expression opcode 0x93
> (kgdb)
You probably want to send this to dfr@ since this is in the advisory file=20
locking code.
=2D-=20
John Baldwin
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