Recent softupdates related panic

Hot off the presses after a make world/kernel completed a few hours ago.

Script started on Sat May  3 08:24:40 2003
dmmiller_at_daemonstar /<2>compile/CUSTOM#	gdb -k kernel.debug /usr/crash/vmcore.0
GNU gdb 5.2.1 (FreeBSD)
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This GDB was configured as "i386-undermydesk-freebsd"...
panic: bremfree: removing a buffer not on a queue
panic messages:
---
panic: ffs_blkfree: freeing free block

syncing disks, buffers remaining... panic: bremfree: removing a buffer not on a queue
Uptime: 1h8m27s
Dumping 255 MB
ata0: resetting devices ..
done
 16[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort]  32[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort]  48 64 80 96 112 128 144 160 176 192 208 224 240
---
Reading symbols from /boot/kernel/vesa.ko...done.
Loaded symbols for /boot/kernel/vesa.ko
Reading symbols from /boot/kernel/if_dc.ko...done.
Loaded symbols for /boot/kernel/if_dc.ko
Reading symbols from /boot/kernel/miibus.ko...done.
Loaded symbols for /boot/kernel/miibus.ko
Reading symbols from /boot/kernel/snd_maestro3.ko...done.
Loaded symbols for /boot/kernel/snd_maestro3.ko
Reading symbols from /boot/kernel/snd_pcm.ko...done.
Loaded symbols for /boot/kernel/snd_pcm.ko
Reading symbols from /boot/kernel/ntfs.ko...done.
Loaded symbols for /boot/kernel/ntfs.ko
Reading symbols from /boot/kernel/apm_saver.ko...done.
Loaded symbols for /boot/kernel/apm_saver.ko
Reading symbols from /boot/kernel/linux.ko...done.
Loaded symbols for /boot/kernel/linux.ko
#0  doadump () at ../../../kern/kern_shutdown.c:238
238		dumping++;
(kgdb) bt
#0  doadump () at ../../../kern/kern_shutdown.c:238
#1  0xc01f5147 in boot (howto=260) at ../../../kern/kern_shutdown.c:370
#2  0xc01f54dd in panic () at ../../../kern/kern_shutdown.c:543
#3  0xc023a650 in bremfreel (bp=0xc7779308) at ../../../kern/vfs_bio.c:648
#4  0xc023a562 in bremfree (bp=0x0) at ../../../kern/vfs_bio.c:630
#5  0xc0244871 in vop_stdfsync (ap=0xcd2ea994) at ../../../kern/vfs_default.c:762
#6  0xc01b8ac0 in spec_fsync (ap=0xcd2ea994) at ../../../fs/specfs/spec_vnops.c:418
#7  0xc01b7fa8 in spec_vnoperate (ap=0x0) at ../../../fs/specfs/spec_vnops.c:123
#8  0xc02ee2e1 in ffs_sync (mp=0xc271f200, waitfor=2, cred=0xc0eb5f00, td=0xc03e11e0)
    at vnode_if.h:612
#9  0xc02520db in sync (td=0xc03e11e0, uap=0x0) at ../../../kern/vfs_syscalls.c:137
#10 0xc01f4c6f in boot (howto=256) at ../../../kern/kern_shutdown.c:279
#11 0xc01f54dd in panic () at ../../../kern/kern_shutdown.c:543
#12 0xc02d56da in ffs_blkfree (fs=0xc271c000, devvp=0xc26cf36c, bno=2094400, size=16384,
    inum=526635) at ../../../ufs/ffs/ffs_alloc.c:1768
#13 0xc02e5e75 in indir_trunc (freeblks=0xc2e79c00, dbn=8377344, level=0, lbn=12,
    countp=0xcd2eabf0) at ../../../ufs/ffs/ffs_softdep.c:2615
#14 0xc02e590e in handle_workitem_freeblocks (freeblks=0xc2e79c00, flags=0)
    at ../../../ufs/ffs/ffs_softdep.c:2480
#15 0xc02e2a2d in process_worklist_item (matchmnt=0x0, flags=0)
    at ../../../ufs/ffs/ffs_softdep.c:756
#16 0xc02e2750 in softdep_process_worklist (matchmnt=0x0) at ../../../ufs/ffs/ffs_softdep.c:622
#17 0xc024daf0 in sched_sync () at ../../../kern/vfs_subr.c:1761
#18 0xc01deff0 in fork_exit (callout=0xc024d700 <sched_sync>, arg=0x0, frame=0x0)
    at ../../../kern/kern_fork.c:792
(kgdb) quit
dmmiller_at_daemonstar /<2>compile/CUSTOM#	^Dexit

Script done on Sat May  3 08:25:12 2003