panic: handle_written_inodeblock: bad size

[Mikhail T.]

An 8.1-prerelease machine I have throws the panic in subject quite 
often. Does anyone care? Is this evidence of some filesystem corruption 
here, or a known problem that's (almost) solved already?

The stacks all look the same:

    panic: handle_written_inodeblock: bad size
    ts_to_ct(1279145603.245753580) = [2010-07-14 22:13:23]
    ...
    #0  doadump () at pcpu.h:230
    #1  0xc05be054 in boot (howto=260) at
    /usr/src/sys/kern/kern_shutdown.c:416
    #2  0xc05be261 in panic (fmt=Variable "fmt" is not available.
    ) at /usr/src/sys/kern/kern_shutdown.c:590
    #3  0xc07501b9 in softdep_disk_write_complete (bp=0xd81bcc30)
         at /usr/src/sys/ufs/ffs/ffs_softdep.c:4615
    #4  0xc062c386 in bufdone_finish (bp=0xd81bcc30) at buf.h:411
    #5  0xc062c7bd in bufdone (bp=0xd81bcc30) at
    /usr/src/sys/kern/vfs_bio.c:3275
    #6  0xc0565bb5 in g_vfs_done (bip=0xc497e8c0)
         at /usr/src/sys/geom/geom_vfs.c:97
    #7  0xc0626db9 in biodone (bp=0xc497e8c0) at
    /usr/src/sys/kern/vfs_bio.c:3110
    #8  0xc056301f in g_io_schedule_up (tp=0xc4044000)
         at /usr/src/sys/geom/geom_io.c:675
    #9  0xc05633c8 in g_up_procbody () at /usr/src/sys/geom/geom_kern.c:95
    #10 0xc0595f5f in fork_exit (callout=0xc0563360 <g_up_procbody>,
    arg=0x0,
         frame=0xe46a5d38) at /usr/src/sys/kern/kern_fork.c:844
    #11 0xc07cf704 in fork_trampoline () at
    /usr/src/sys/i386/i386/exception.s:273

Please, advise. Thanks!

    -mi