panic: ffs_blkfree: freeing free block

[Eric Anderson]

Pieter de Goeje wrote:
> On Saturday 13 October 2007, Rolf Witt wrote:
>> Backtrace from crash tonight (after portsnap cron):
>>
> <snip>
>> # uname -a
>> FreeBSD peanuts.homenet.local 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE
>> #121: Thu Oct 11 16:29:05 CEST 2007
>> rowi at peanuts.homenet.local:/usr/obj/usr/src/sys/PEANUTS  i386
>>
>> Sources from Builddate.
>>
>> Rowi
> Eric sent me this patch: 
> http://www.googlebit.com/freebsd/patches/ffs_softdep.c-patch
> which seems to be working great so far. I am still testing it, but I think it 
> fixed the problem.
> To apply, cd /usr/src; patch < /path/to/patch and then rebuild the kernel.
> 
> Cheers,
> Pieter de Goeje


It doesn't actually 'fix' the problem, but I think it helps identify it.
I'm not 100% certain if this is the right fix our not, but so far 
feedback has been good when running with this patch.

Can somebody confirm that this patch is ok?

Eric