freebsd 9.0R panic in vfs_cache.c:364 cache_zap()

[John Baldwin]

On Tuesday, March 13, 2012 2:21:30 pm Matthew Luckie wrote:
> Hi
> 
> This is likely to be a useless report because I don't have a crash dump.
> 
> I upgraded to freebsd 9.0R on Friday night and last night (Monday) it 
> panicked during a nightly rsync.  First time I've had a panic during a 
> nightly rsync on this machine, which has been running for about two 
> years.  I searched lists to see if there was a known problem but didn't 
> come across anything, and I'm not sure what to search for.  There seem 
> to have been a few commits on RELENG_9 to vfs_cache.c since release, is 
> it worthwhile upgrading to a 9-stable?

Hmm, I have seen a similar panic (albeit in this case the vdropl() from
cache_zap() panic'd due to the refcount underflowing) on two different
boxes running 8, so I don't think this is specific to 9.

-- 
John Baldwin