Date: Wed, 24 Jul 2002 16:49:40 -0700 From: Alex Zepeda <zipzippy@sonic.net> To: current@freebsd.org Subject: Here's my most recent crash.. Message-ID: <20020724234939.GA422@blarf.homeip.net>
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My system is down to one cpu (the first slot is appears to have eaten
itself and using it results in interesting smells from the power supply),
but I'm still running a SMP kernel.
Anything else I should probe with gdb?
FreeBSD blarf.homeip.net 5.0-CURRENT FreeBSD 5.0-CURRENT #3: Wed Jul 24 13:13:30 PDT 2002 alex@blarf.homeip.net:/usr/src/sys/i386/compile/ZIPPY_SMP_WITNESS i386
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This GDB was configured as "i386-portbld-freebsd5.0"...
IdlePTD at phsyical address 0x0056e000
initial pcb at physical address 0x004564c0
panicstr: bremfree: bp 0xc4209bd4 not locked
panic messages:
---
panic: Most recently used by none
cpuid = 0; lapic.id = 00000000
syncing disks... panic: bremfree: bp 0xc4209bd4 not locked
cpuid = 0; lapic.id = 00000000
Uptime: 3h13m48s
Dumping 127 MB
ata0: resetting devices ..
done
16 32 48 64 80 96 112
---
#0 doadump () at ../../../kern/kern_shutdown.c:213
213 dumping++;
(kgdb) bt
#0 doadump () at ../../../kern/kern_shutdown.c:213
#1 0xc02220bd in boot (howto=260) at ../../../kern/kern_shutdown.c:345
#2 0xc02222ce in poweroff_wait (junk=0xc03b0785, howto=-1004495916)
at ../../../kern/kern_shutdown.c:493
#3 0xc02551d7 in bremfree (bp=0xc03b0785) at ../../../kern/vfs_bio.c:633
#4 0xc025746e in getblk (vp=0xc1b1b000, blkno=196720, size=8192, slpflag=0,
slptimeo=0) at ../../../kern/vfs_bio.c:2318
#5 0xc02552b7 in breadn (vp=0xc1b1b000, blkno=196720, size=8192, rablkno=0x0,
rabsize=0x0, cnt=0, cred=0x0, bpp=0x0) at ../../../kern/vfs_bio.c:691
#6 0xc0255286 in bread (vp=0xc1b1b000, blkno=196720, size=8192, cred=0x0,
bpp=0xc8a5cad0) at ../../../kern/vfs_bio.c:673
#7 0xc02f0894 in ffs_update (vp=0xc1df2a50, waitfor=0)
at ../../../ufs/ffs/ffs_inode.c:102
#8 0xc0301f1a in ffs_fsync (ap=0xc8a5cb48) at ../../../ufs/ffs/ffs_vnops.c:272
#9 0xc02ffee8 in ffs_sync (mp=0xc1b15800, waitfor=2, cred=0xc0bace80,
td=0xc040f260) at vnode_if.h:463
#10 0xc0263bbe in sync (td=0xc040f260, uap=0x0)
at ../../../kern/vfs_syscalls.c:127
#11 0xc0221d2c in boot (howto=256) at ../../../kern/kern_shutdown.c:254
#12 0xc02222ce in poweroff_wait (junk=0xc03cd8e8, howto=-1069754141)
at ../../../kern/kern_shutdown.c:493
#13 0xc032022a in mtrash_ctor (mem=0x100, size=0, arg=0x0)
at ../../../vm/uma_dbg.c:135
#14 0xc0320294 in mtrash_fini (mem=0xc215d000, size=8192)
at ../../../vm/uma_dbg.c:186
#15 0xc031e576 in zone_drain (zone=0xc0bbfcc0) at ../../../vm/uma_core.c:646
#16 0xc031ee8c in zone_foreach (zfunc=0xc031e2e0 <zone_drain>)
at ../../../vm/uma_core.c:1167
#17 0xc031fd90 in uma_reclaim () at ../../../vm/uma_core.c:1980
#18 0xc031be72 in vm_pageout_scan (pass=0) at ../../../vm/vm_pageout.c:654
#19 0xc031cbea in vm_pageout () at ../../../vm/vm_pageout.c:1434
#20 0xc021303e in fork_exit (callout=0xc031c9c0 <vm_pageout>, arg=0x0,
frame=0xc8a5cd48) at ../../../kern/kern_fork.c:861
(kgdb) quit
The most applicable dmesg output I could find was:
Memory modified after free 0xc215d000(8188)
panic: Most recently used by none
cpuid = 0; lapic.id = 00000000
syncing disks... panic: bremfree: bp 0xc4209bd4 not locked
cpuid = 0; lapic.id = 00000000
Uptime: 3h13m48s
Dumping 127 MB
ata0: resetting devices ..
done
16 32 48 64 80 96 112
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