[zfs-code] Looking for confirmation.

Pawel Jakub Dawidek
Fri, 25 Aug 2006 14:41:48 -0000

On Fri, Aug 25, 2006 at 08:33:32AM -0600, Mark Shellenbaum
wrote:
> Pawel Jakub Dawidek wrote:
> >Hi.
> >I''ve almost all file system functions working.
> >I started to run some heavy file system regression tests. They work.
fsx
> >wasn''t able to break my port, but the test you can find here:
> >	http://people.freebsd.org/~kan/fsstress.tar.gz
> >broke it. My kernel panics on this assertion (zfs_dir.c):
> >749:	mutex_exit(&dzp->z_lock);
> >750:
> >751:	error = zap_remove(zp->z_zfsvfs->z_os, dzp->z_id,
dl->dl_name, tx);
> >752->	ASSERT(error == 0);
> >753:
> >754:	if (reaped_ptr != NULL)
> >zap_remove() returns ENOENT, which is returned because mze_find()
> >returns NULL. I changed this assertion to printf and I don''t
see any
> >other problems with this test-suite - ZFS is stable.
> >What I''m looking for is confirmation, that this problem
doesn''t exist on
> >Solaris. To verify this someone needs to compile ZFS with debug and run
> >this test:
> >	# zpool create tank ...
> >	# fsstress -d /tank/ -n 10000 -p 16
> >This will tell me if this is mine or ZFS''s insuffiecient
synchronization
> >somewhere.
> >Thanks in advance!
>
> I tried this on the following systems without tripping the ASSERT.
>   2 processor opteron
>   2 processor sparc
>   4 procssor intel

Thank you.

--
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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