Date: Wed, 02 Jun 1999 11:40:26 -0400 From: "David E. Cross" <crossd@cs.rpi.edu> To: freebsd-hackers@freebsd.org Cc: schimken@cs.rpi.edu, crossd@cs.rpi.edu Subject: 3.2-STABLE, 11th panic Message-ID: <199906021540.LAA15728@cs.rpi.edu>
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Here is a backtrace from our latest. Does anyone have any ideas to try. Is
there any way to loock at who has the other lock on the file? (Yes, I know
it is the kernel who has it, but it is requested on behalf of a NFSd, no?)
(kgdb) bt
#0 boot (howto=256) at ../../kern/kern_shutdown.c:285
#1 0xc014baa4 in at_shutdown (
function=0xc02354bb <__set_sysuninit_set_sym_M_KTRACE_uninit_sys_uninit+179>, arg=0xc74e9080, queue=65538) at ../../kern/kern_shutdown.c:446
#2 0xc0147794 in debuglockmgr (lkp=0xc1528400, flags=16842754,
interlkp=0xc74e90f0, p=0xc743eb20, name=0xc0237d57 "vop_stdlock",
file=0xc023804b "../../kern/vfs_subr.c", line=1274)
at ../../kern/kern_lock.c:326
#3 0xc016d6c1 in vop_stdlock (ap=0xc7482a5c) at ../../kern/vfs_default.c:211
#4 0xc01e5bfd in ufs_vnoperate (ap=0xc7482a5c)
at ../../ufs/ufs/ufs_vnops.c:2299
#5 0xc0176635 in debug_vn_lock (vp=0xc74e9080, flags=65538, p=0xc743eb20,
filename=0xc023804b "../../kern/vfs_subr.c", line=1274) at vnode_if.h:811
#6 0xc01700d1 in vget (vp=0xc74e9080, flags=2, p=0xc743eb20)
at ../../kern/vfs_subr.c:1274
#7 0xc016c1b3 in vfs_cache_lookup (ap=0xc7482b24)
at ../../kern/vfs_cache.c:439
#8 0xc01e5bfd in ufs_vnoperate (ap=0xc7482b24)
at ../../ufs/ufs/ufs_vnops.c:2299
#9 0xc016e7c1 in lookup (ndp=0xc7482d94) at vnode_if.h:31
#10 0xc01b8260 in nfs_namei (ndp=0xc7482d94, fhp=0xc7482d0c, len=3,
slp=0xc0f7e400, nam=0xc0f541a0, mdp=0xc7482c48, dposp=0xc7482c44,
retdirp=0xc7482c2c, p=0xc743eb20, kerbflag=0, pubflag=0)
at ../../nfs/nfs_subs.c:1642
#11 0xc01a123f in nfsrv_lookup (nfsd=0xc13d3400, slp=0xc0f7e400,
procp=0xc743eb20, mrq=0xc7482e34) at ../../nfs/nfs_serv.c:396
#12 0xc01b9cba in nfssvc_nfsd (nsd=0xc7482e94, argp=0x8071af4 "", p=0xc743eb20)
at ../../nfs/nfs_syscalls.c:656
#13 0xc01b95d5 in nfssvc (p=0xc743eb20, uap=0xc7482f94)
at ../../nfs/nfs_syscalls.c:342
#14 0xc020d02f in syscall (frame={tf_es = 39, tf_ds = 39, tf_edi = 8,
tf_esi = 0, tf_ebp = -1077944892, tf_isp = -951570460, tf_ebx = 0,
tf_edx = -1077945288, tf_ecx = 0, tf_eax = 155, tf_trapno = 12,
tf_err = 2, tf_eip = 134518940, tf_cs = 31, tf_eflags = 642,
tf_esp = -1077945280, tf_ss = 39}) at ../../i386/i386/trap.c:1100
#15 0xc0203e5c in Xint0x80_syscall ()
#16 0x80480e9 in ?? ()
--
David Cross | email: crossd@cs.rpi.edu
Systems Administrator/Research Programmer | Web: http://www.cs.rpi.edu/~crossd
Rensselaer Polytechnic Institute, | Ph: 518.276.2860
Department of Computer Science | Fax: 518.276.4033
I speak only for myself. | WinNT:Linux::Linux:FreeBSD
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