MD(4)/vnode hangs resolved (?)
Ruslan Ermilov
ru at freebsd.org
Wed Mar 10 14:01:06 PST 2004
On Wed, Mar 10, 2004 at 06:30:13PM +0200, Ruslan Ermilov wrote:
> On Tue, Mar 09, 2004 at 08:39:49PM +0100, Poul-Henning Kamp wrote:
> >
> > Those of you who have experienced that md(4) backed by vnodes hang your
> > systems, please try this patch:
> >
> > http://phk.freebsd.dk/patch/md.patch
> >
> [...]
> > This solves the case where the system get stuck in "wdrain" because
> > a md(4)/vnode device is relatively large compared to the buffer cache.
> >
> I still have that script that causes the lockup. When I get back
> home (should happen in less than an hour), I will give it a shot
> and let you know. Thanks for tracking it down, "make release" on
> IA-64 will be grateful too! ;)
>
Hmm. I tried to reproduce the deadlock today on my fresh 5.2-CURRENT
laptop without your patch, using that script from "make release", but
to no avail. Still, I hope it fixes the issue. Thanks again for
looking into it!
Cheers,
--
Ruslan Ermilov
FreeBSD committer
ru at FreeBSD.org
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-current/attachments/20040311/13c2bb3a/attachment.bin
More information about the freebsd-current
mailing list