Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 23 Mar 2006 13:34:14 -0500
From:      Kris Kennaway <kris@obsecurity.org>
To:        John Kozubik <john@kozubik.com>
Cc:        freebsd-fs@freebsd.org, jroberson@chesapeake.net, freebsd-current@freebsd.org, tegge@freebsd.org, kris@obsecurity.org
Subject:   Re: UFS2 Snapshots in 6.1-Beta4 - Confirmed Problems
Message-ID:  <20060323183414.GA84775@xor.obsecurity.org>
In-Reply-To: <20060320224313.O55763@kozubik.com>
References:  <20060320224313.O55763@kozubik.com>

next in thread | previous in thread | raw e-mail | index | archive | help

--45Z9DzgjV8m4Oswq
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline

On Tue, Mar 21, 2006 at 01:36:44AM -0800, John Kozubik wrote:

> First, I have confirmed that a filesystem with multiple snapshots that
> undergoes multiple, rapid deletions of files, will cause the system to
> hang.  I have witnessed this before, but had not confirmed it or
> documented it in a PR.  Now that I have confirmed this behavior, I have
> documented it in: kern/94769

I ran a (completion of) your script in a loop for about 24 hours and
it didn't deadlock.  This may be because there was a second set of
fixes that was merged in to 6.x a day or two ago.  Are you able to
confirm whether they indeed fixed this problem?

> Second, kern/92292 is still a problem.  I have reproduced this error in
> 6.1-BETA4 (and have seen it happening since 5.1).  The (small) difference
> is that the cp process seems to stick in the flswai state instead of
> biowr.

I'll test this one next.

Kris

--45Z9DzgjV8m4Oswq
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.2.2 (FreeBSD)

iD8DBQFEIuolWry0BWjoQKURAk5hAJwNxVVgMARq2Vuxr7j+WEaBgckiHgCg7a3S
oR0bG21GB9Mg1bNFYlHM96M=
=EUji
-----END PGP SIGNATURE-----

--45Z9DzgjV8m4Oswq--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20060323183414.GA84775>