Re: processes freezing when writing to gstripe'd device

From: Pawel Jakub Dawidek <pjd_at_FreeBSD.org>
Date: Fri, 6 Aug 2004 11:56:42 +0200
On Mon, Aug 02, 2004 at 11:44:31AM +1000, Sam Lawrance wrote:
+> I'm running current from around the 24th of July. About to build world
+> to see if it makes any difference.
+> 
+> I am observing processes performing operations on a gstripe device
+> freeze in state 'bufwait'. An 'rm' process is stuck right now. The rest
+> of the system is fine.
+> 
+> The devices are two vnode backed md devices which I created just for
+> testing. The same thing occurred using two freebsd partitions of size
+> 15G each (not slices).
+> 
+>        NAME: test_cd.stripe
+>   geom name: test_cd.stripe
+>   mediasize: 10231808 (9.8M)
+>  sectorsize: 512
+>        mode: r1w1e0
+>       state: UP
+>      status: total=2, online=2
+>   providers: md3 md2
+>        type: automatic
+>  stripesize: 4096
+>          id: 1411913070
+> 
+> What's the best way to look in to this? I can't attach to rm with gdb
+> (it just ends up waiting for something). I can drop to kdb, but have no
+> idea where to go from there.

Ok, I found the bug in geom_stripe. Fix is committed, thanks for the report!

-- 
Pawel Jakub Dawidek                       http://www.FreeBSD.org
pjd_at_FreeBSD.org                           http://garage.freebsd.pl
FreeBSD committer                         Am I Evil? Yes, I Am!

Received on Fri Aug 06 2004 - 07:56:44 UTC

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