Re: FFS/UFS2 Kernel Panic in RELENG_5_2

sos checked in an ATA update earlier today that just may apply
here...

On Tue, Jan 20, 2004 at 10:31:09AM +1030, Benjamin Close wrote:
> Hi All,
>    Was playing around with snapshots when I got the following panic:
> 
> panic: lockmgr: locking against myself
> 
> The situation was:
>    rsync to machine
>    snapshot filesystem
>    rsync to machine again
> 
> The drive it's on is 250GB IDE and the snapshot took about 3 minutes.
> No ATA errors were reported.
> 
> Full debug info at:
> 
> http://clearchain.com/people/benjsc/download/freebsd/20040119/typescript.gz 
> (7Kb)
> http://clearchain.com/people/benjsc/download/freebsd/20040119/kernel.debug.gz  
> (11Mb)
> http://clearchain.com/people/benjsc/download/freebsd/20040119/vmcore.2.gz 
> (86Mb)
> 
> Basics below:
> 
> FreeBSD rsync.levels.unisa.edu.au 5.2-RELEASE FreeBSD 5.2-RELEASE #0: 
> Mon Jan 19 05:47:07 CST 2004     root_at_rsync.l
> evels.unisa.edu.au:/usr/src/sys/i386/compile/GENERIC  i386
> 
> 
> (kgdb) bt
> #0  doadump () at ../../../kern/kern_shutdown.c:240
> #1  0xc0631e5c in boot (howto=260) at ../../../kern/kern_shutdown.c:372
> #2  0xc06321ce in panic () at ../../../kern/kern_shutdown.c:550
> #3  0xc076e070 in ffs_copyonwrite (devvp=0xc2e7e104, bp=0xc7e45890) at 
> ../../../ufs/ffs/ffs_snapshot.c:1934
> #4  0xc05faeb2 in spec_xstrategy (vp=0xc2e7e104, bp=0xc7e45890) at 
> ../../../fs/specfs/spec_vnops.c:474
> #5  0xc05fafab in spec_specstrategy (ap=0x0) at 
> ../../../fs/specfs/spec_vnops.c:534
> #6  0xc05fa278 in spec_vnoperate (ap=0x0) at 
> ../../../fs/specfs/spec_vnops.c:122
> #7  0xc0788bec in ufs_strategy (ap=0x0) at vnode_if.h:1141
> #8  0xc0789938 in ufs_vnoperate (ap=0x0) at 
> ../../../ufs/ufs/ufs_vnops.c:2793
> #9  0xc0674a1d in bwrite (bp=0xc7e45890) at vnode_if.h:1116
> #10 0xc06767b2 in vfs_bio_awrite (bp=0xc7e45890) at 
> ../../../kern/vfs_bio.c:1715
> #11 0xc077b50c in ffs_fsync (ap=0xd304f284) at 
> ../../../ufs/ffs/ffs_vnops.c:268
> #12 0xc077a6c4 in ffs_sync (mp=0xc2e14000, waitfor=2, cred=0xc16bc100, 
> td=0xc08ef1c0) at vnode_if.h:627
> #13 0xc068976e in sync (td=0xc08ef1c0, uap=0x0) at 
> ../../../kern/vfs_syscalls.c:141
> #14 0xc0631a54 in boot (howto=256) at ../../../kern/kern_shutdown.c:281
> #15 0xc06321ce in panic () at ../../../kern/kern_shutdown.c:550
> #16 0xc06268de in lockmgr (lkp=0xc7dcd45c, flags=34144290, interlkp=0x0, 
> td=0xc2e40b40)
>    at ../../../kern/kern_lock.c:439
> #17 0xc0677bcf in getblk (vp=0xc2e7e104, blkno=196079584, size=16384, 
> slpflag=0, slptimeo=0, flags=0)
>    at machine/pcpu.h:156
> #18 0xc06742f2 in breadn (vp=0xc2e7e104, blkno=0, size=0, rablkno=0x0, 
> rabsize=0x0, cnt=0, cred=0x0, bpp=0x0)
>    at ../../../kern/vfs_bio.c:700
> #19 0xc067429c in bread (vp=0x0, blkno=0, size=0, cred=0x0, bpp=0x0) at 
> ../../../kern/vfs_bio.c:682
> #20 0xc0760b4f in ffs_alloccg (ip=0xc2e2d460, cg=521, bpref=0, 
> size=16384) at ../../../ufs/ffs/ffs_alloc.c:1287
> #21 0xc07605ef in ffs_hashalloc (ip=0xc2e2d460, cg=521, pref=0, 
> size=16384, allocator=0xc0760a60 <ffs_alloccg>)
>    at ../../../ufs/ffs/ffs_alloc.c:1165
> #22 0xc075e452 in ffs_alloc (ip=0xc2e2d460, lbn=6127491, bpref=48929048, 
> size=16384, cred=0xc16bc100,
>    bnp=0xd304f5e0) at ../../../ufs/ffs/ffs_alloc.c:157
> #23 0xc0765b53 in ffs_balloc_ufs2 (vp=0xc2e7ee38, startoffset=0, 
> size=16384, cred=0xc16bc100, flags=0,
>    bpp=0xd304f6f0) at ../../../ufs/ffs/ffs_balloc.c:774
> #24 0xc076e408 in ffs_copyonwrite (devvp=0xc2e7e104, bp=0xc7e15320) at 
> ../../../ufs/ffs/ffs_snapshot.c:2029
> #25 0xc05faeb2 in spec_xstrategy (vp=0xc2e7e104, bp=0xc7e15320) at 
> ../../../fs/specfs/spec_vnops.c:474
> #26 0xc05fafab in spec_specstrategy (ap=0x0) at 
> ../../../fs/specfs/spec_vnops.c:534
> #27 0xc05fa278 in spec_vnoperate (ap=0x0) at 
> ../../../fs/specfs/spec_vnops.c:122
> #28 0xc06749f4 in bwrite (bp=0xc7e15320) at vnode_if.h:1141
> #29 0xc067523c in bawrite (bp=0x0) at ../../../kern/vfs_bio.c:1150
> #30 0xc0761a0a in ffs_nodealloccg (ip=0xc3189834, cg=521, ipref=129, 
> mode=33152)
>    at ../../../ufs/ffs/ffs_alloc.c:1637
> #31 0xc0760597 in ffs_hashalloc (ip=0xc3189834, cg=521, pref=0, size=33152,
>    allocator=0xc07614b0 <ffs_nodealloccg>) at 
> ../../../ufs/ffs/ffs_alloc.c:1155
> #32 0xc075fcc9 in ffs_valloc (pvp=0xc3508208, mode=33152, 
> cred=0xc2f3f680, vpp=0xd304f8dc)
>    at ../../../ufs/ffs/ffs_alloc.c:857
> #33 0xc078923c in ufs_makeinode (mode=33152, dvp=0xc3508208, 
> vpp=0xd304fbf0, cnp=0xd304fc04)
> 
> Cheers,
>    Benjamin
> 
> -- 
> 3D Research Associate / System Administrator     +61 8 8302 3669
> School of Computer and Information Science       Room D1-07, ML Campus
> University of South Australia                    Mawson Lakes Blvd.
> Benjamin.Close_at_cs.unisa.edu.au                   South Australia, 5095
> F00D C83D 5F7E 5561 DF91  B74D E602 CAA3 4842 B5B4
> 
> 
> _______________________________________________
> freebsd-current_at_freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"