Date: Sun, 12 Aug 2001 12:38:29 -0700 From: Doug Barton <DougB@DougBarton.net> To: freebsd-current@freebsd.org Subject: Panic on 8/10 -current: sleeping process owns a mutex Message-ID: <3B76DB35.DB46C32F@DougBarton.net>
next in thread | raw e-mail | index | archive | help
Guys,
cvsup'ed, built/installed world yesterday, and got the following:
IdlePTD 4489216
initial pcb at 3774a0
panicstr: sleeping process owns a mutex
panic messages:
---
panic: sleeping process owns a mutex
(kgdb) where
#0 dumpsys () at /usr/local/src/sys/kern/kern_shutdown.c:478
#1 0xc01dadac in boot (howto=260)
at /usr/local/src/sys/kern/kern_shutdown.c:321
#2 0xc01db1d9 in panic (fmt=0xc03021f5 "sleeping process owns a mutex")
at /usr/local/src/sys/kern/kern_shutdown.c:600
#3 0xc01d2c74 in propagate_priority (p=0xcbb75320)
at /usr/local/src/sys/kern/kern_mutex.c:133
#4 0xc01d34a0 in _mtx_lock_sleep (m=0xc03b2b20, opts=0,
file=0xc030ade0 "/usr/local/src/sys/kern/vfs_syscalls.c", line=609)
at /usr/local/src/sys/kern/kern_mutex.c:396
#5 0xc022254b in sync (p=0xc03b1b40, uap=0x0)
at /usr/local/src/sys/kern/vfs_syscalls.c:609
#6 0xc01da870 in boot (howto=256)
at /usr/local/src/sys/kern/kern_shutdown.c:230
#7 0xc01db1d9 in panic (fmt=0xc03021f5 "sleeping process owns a mutex")
at /usr/local/src/sys/kern/kern_shutdown.c:600
#8 0xc01d2c74 in propagate_priority (p=0xcbb75320)
at /usr/local/src/sys/kern/kern_mutex.c:133
#9 0xc01d34a0 in _mtx_lock_sleep (m=0xc03b2b20, opts=0,
file=0xc030a800 "/usr/local/src/sys/kern/vfs_subr.c", line=2663)
at /usr/local/src/sys/kern/kern_mutex.c:396
#10 0xc0220c63 in sync_fsync (ap=0xcc30af5c)
at /usr/local/src/sys/kern/vfs_subr.c:2663
#11 0xc021ceec in sched_sync () at vnode_if.h:441
#12 0xc01caa16 in fork_exit (callout=0xc021cd80 <sched_sync>, arg=0x0,
frame=0xcc30afa8) at /usr/local/src/sys/kern/kern_fork.c:723
The dump is available if desired.
Immediately prior to the crash I was getting a lot of these on the console:
Aug 12 01:00:52 <kern.crit> Master /boot/kernel/kernel:
/usr/local/src/sys/kern/kern_synch.c:377: sleeping with "mountlist" locke
d from /usr/local/src/sys/kern/vfs_syscalls.c:548
Aug 12 01:00:54 <kern.crit> Master /boot/kernel/kernel: lock order reversal
Aug 12 01:00:54 <kern.crit> Master /boot/kernel/kernel: 1st 0xc03b2b20
mountlist @ /usr/local/src/sys/kern/vfs_syscalls.c:548
Aug 12 01:00:54 <kern.crit> Master /boot/kernel/kernel: 2nd 0xc03b5a00
Giant @ /usr/local/src/sys/kern/kern_synch.c:481
I had a cdrom mounted via amd and was viewing real audio files on it.
HTH,
Doug
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3B76DB35.DB46C32F>