Date: Tue, 05 Dec 2006 00:43:23 +0900 (JST) From: Hiroki Sato <hrs@FreeBSD.org> To: stable@FreeBSD.org Subject: panic in nfsd on 6.2-RC1 Message-ID: <20061205.004323.78708386.hrs@allbsd.org>
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Hi,
One of my NFS servers running 6.2-RC1 that are highly-loaded causes a
panic repeatedly these days. I am not sure which upgrading this
panic starts after precisely, but this was running for almost one
year (6.0R and 6.1R) with no problem at least. A core file is
available.
----(from here)
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x0
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc069d890
stack pointer = 0x28:0xed0ae920
frame pointer = 0x28:0xed0ae928
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = resume, IOPL = 0
current process = 653 (nfsd)
trap number = 12
panic: page fault
Uptime: 46m22s
Dumping 1021 MB (2 chunks)
chunk 0: 1MB (159 pages) ... ok
chunk 1: 1022MB (261423 pages) 1006 990 974 958 942 926 910 894 878 862 846 830 814 798 782 766 750 734 718 702 686 670 654 638 622 606 590 574 558 542 526 510 494 478 462 446 430 414 398 382 366 350 334 318 302 286 270 254 238 222 206 190 174 158 142 126 110 94 78 62 46 30 14
#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 0xc067c512 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
#2 0xc067c7d8 in panic (fmt=0xc08d0c8e "%s")
at /usr/src/sys/kern/kern_shutdown.c:565
#3 0xc0892122 in trap_fatal (frame=0xed0ae8e0, eva=0)
at /usr/src/sys/i386/i386/trap.c:837
#4 0xc0891866 in trap (frame=
{tf_fs = -992346104, tf_es = 40, tf_ds = 268107816, tf_edi = 72, tf_esi = 0, tf_ebp = -318052056, tf_isp = -318052084, tf_ebx = -993986688, tf_edx = -993986688, tf_ecx = 4, tf_eax = 4, tf_trapno = 12, tf_err = 0, tf_eip = -1066805104, tf_cs = 32, tf_eflags = 589831, tf_esp = 0, tf_ss = -1063278752})
at /usr/src/sys/i386/i386/trap.c:270
#5 0xc088012a in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#6 0xc069d890 in turnstile_broadcast (ts=0x0)
at /usr/src/sys/kern/subr_turnstile.c:726
#7 0xc06739d7 in _mtx_unlock_sleep (m=0xc09fa760, opts=0, file=0x0, line=0)
at /usr/src/sys/kern/kern_mutex.c:690
#8 0xc077e00b in nfs_rephead (siz=0, nd=0xc5023c00, err=72, mbp=0x4,
bposp=0x4) at /usr/src/sys/nfsserver/nfs_srvsock.c:152
#9 0xc07779f3 in nfsrv_symlink (nfsd=0xc5023c00, slp=0xc4f8ae80,
td=0xc4c0f780, mrq=0xed0aec98) at /usr/src/sys/nfsserver/nfs_serv.c:2844
#10 0xc07819b1 in nfssvc_nfsd (td=0x4)
at /usr/src/sys/nfsserver/nfs_syscalls.c:474
#11 0xc0781194 in nfssvc (td=0xc4c0f780, uap=0xed0aed04)
at /usr/src/sys/nfsserver/nfs_syscalls.c:181
#12 0xc0892437 in syscall (frame=
{tf_fs = 59, tf_es = 59, tf_ds = 59, tf_edi = 1, tf_esi = 0, tf_ebp = -1077941464, tf_isp = -318050972, tf_ebx = 12, tf_edx = 672449048, tf_ecx = 26, tf_eax = 155, tf_trapno = 12, tf_err = 2, tf_eip = 671863223, tf_cs = 51, tf_eflags = 662, tf_esp = -1077941492, tf_ss = 59}) at /usr/src/sys/i386/i386/trap.c:983
#13 0xc088017f in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:200
#14 0x00000033 in ?? ()
Previous frame inner to this frame (corrupt stack?)
(kgdb)
----(to here)
--
| Hiroki SATO
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