Date: Tue, 25 Jul 2000 09:35:21 +0200 From: Ollivier Robert <roberto@eurocontrol.fr> To: FreeBSD Current Users' list <freebsd-current@FreeBSD.ORG> Cc: mckusick@mckusick.com Subject: Panic: lockmgr: pid 5, not exclusive lock holder 0 unlocking Message-ID: <20000725093521.A636@caerdonn.eurocontrol.fr>
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I just got two panics tonight, the same each time. Current from yesterday,
after the latest round of patch from Kirk. The second panic is exactly the
same including the trace.
-=-=-
(kgdb) exec-file /var/crash/kernel.7
(kgdb) core-file /var/crash/vmcore.7
IdlePTD 3661824
initial pcb at 2e5100
panicstr: lockmgr: pid 5, not exclusive lock holder 0 unlocking
panic messages:
---
panic: bqrelse: multiple refs
syncing disks... panic: lockmgr: pid 5, not exclusive lock holder 0 unlocking
Uptime: 1h34m18s
iconv_mod_handler
#0 boot (howto=260) at ../../kern/kern_shutdown.c:303
#1 0xc016eb78 in poweroff_wait (junk=0xc02733a0, howto=5)
at ../../kern/kern_shutdown.c:553
#2 0xc0169940 in lockmgr (lkp=0xc116bc00, flags=6, interlkp=0xccea97ac,
p=0xcb92f780) at ../../kern/kern_lock.c:382
#3 0xc019cb2b in vop_stdunlock (ap=0xcb93d674) at ../../kern/vfs_default.c:255
#4 0xc0218e55 in ufs_vnoperate (ap=0xcb93d674)
at ../../ufs/ufs/ufs_vnops.c:2291
#5 0xc0213db7 in ufs_inactive (ap=0xcb93d6a4) at vnode_if.h:865
#6 0xc0218e55 in ufs_vnoperate (ap=0xcb93d6a4)
at ../../ufs/ufs/ufs_vnops.c:2291
#7 0xc019f8a6 in vput (vp=0xccea9740) at vnode_if.h:794
#8 0xc0211093 in ffs_sync (mp=0xc0e39200, waitfor=2, cred=0xc0a2b700,
p=0xc0304940) at ../../ufs/ffs/ffs_vfsops.c:955
#9 0xc01a1785 in sync (p=0xc0304940, uap=0x0) at ../../kern/vfs_syscalls.c:551
#10 0xc016e5c7 in boot (howto=256) at ../../kern/kern_shutdown.c:225
#11 0xc016eb78 in poweroff_wait (junk=0xc027758b, howto=-972358720)
at ../../kern/kern_shutdown.c:553
#12 0xc0197f2d in bqrelse (bp=0xc60afbc0) at ../../kern/vfs_bio.c:1195
#13 0xc01975a1 in vfs_backgroundwritedone (bp=0xc60dde20)
at ../../kern/vfs_bio.c:696
#14 0xc0199a4d in bufdone (bp=0xc60dde20) at ../../kern/vfs_bio.c:2666
#15 0xc01999f6 in bufdonebio (bp=0xc60dde20) at ../../kern/vfs_bio.c:2617
#16 0xc012cc70 in dadone (periph=0xc0e00c00, done_ccb=0xc0e09c00)
at ../../sys/bio.h:103
#17 0xc01271e7 in camisr (queue=0xc02e0bf0) at ../../cam/cam_xpt.c:6328
#18 0xc0126ff9 in swi_cambio () at ../../cam/cam_xpt.c:6231
#19 0xc0243370 in splz_swi ()
#20 0xc0197016 in bread (vp=0xcb929600, blkno=262208, size=12288, cred=0x0,
bpp=0xcb93dbac) at ../../kern/vfs_bio.c:459
#21 0xc0205100 in ffs_blkfree (ip=0xcb93dc34, bno=90760, size=16384)
at ../../ufs/ffs/ffs_alloc.c:1346
#22 0xc020c1e3 in indir_trunc (ip=0xcb93dc34, dbn=306752, level=0, lbn=12,
countp=0xcb93dc24) at ../../ufs/ffs/ffs_softdep.c:2098
#23 0xc020bfb9 in handle_workitem_freeblocks (freeblks=0xc1059d80)
at ../../ufs/ffs/ffs_softdep.c:2002
#24 0xc020ba40 in softdep_setup_freeblocks (ip=0xc10e4a00, length=0)
at ../../ufs/ffs/ffs_softdep.c:1710
#25 0xc0206b56 in ffs_truncate (vp=0xccea92c0, length=0, flags=0, cred=0x0,
p=0xcb92f780) at ../../ufs/ffs/ffs_inode.c:196
#26 0xc0213d0f in ufs_inactive (ap=0xcb93df00) at ../../ufs/ufs/ufs_inode.c:88
#27 0xc0218e55 in ufs_vnoperate (ap=0xcb93df00)
at ../../ufs/ufs/ufs_vnops.c:2291
#28 0xc019f8a6 in vput (vp=0xccea92c0) at vnode_if.h:794
#29 0xc020cdd8 in handle_workitem_remove (dirrem=0xc0fc7aa0)
at ../../ufs/ffs/ffs_softdep.c:2702
#30 0xc020a3e0 in softdep_process_worklist (matchmnt=0x0)
at ../../ufs/ffs/ffs_softdep.c:556
#31 0xc019f134 in sched_sync () at ../../kern/vfs_subr.c:1017
#32 0xc0241edc in fork_trampoline ()
Cannot access memory at address 0x8000.
-=-=-
--
Ollivier ROBERT -=- Eurocontrol EEC/ITM -=- Ollivier.Robert@eurocontrol.fr
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