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Date:      Tue, 27 Jan 2004 15:56:12 -0500 (EST)
From:      Robert Watson <rwatson@freebsd.org>
To:        Chip Norkus <wd@teleri.net>
Cc:        current@freebsd.org
Subject:   Re: RE: Processes blocked on ufs or getblk
Message-ID:  <Pine.NEB.3.96L.1040127155447.47712A-100000@fledge.watson.org>
In-Reply-To: <20040127195517.GA33225@teleri.net>

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On Tue, 27 Jan 2004, Chip Norkus wrote:

> On Tue Jan 27, 2004; 10:36AM -0500 Robin P. Blanchard propagated the following:
> > 
> [snip]
> > 
> > 
> > As seen previously on this list, I'm also seeing processes getting stuck in
> > in "getblk" state. I'm seeing this on a dell 2650 (smp enabled, acpi enabled,
> > aac filesystem). I'm also more than willing to try out any patches anyone may
> > cook up. 
> > 
> 
> Me too!  I hate to bump this thread (again), but it seems like there is
> almost zero interest in this particular bug, and it's pretty serious. 
> I've got a spare 2650 at work with a serial console and I'd be willing
> to let some developers take a shot at it.  The bug seems to be fairly
> reproduceable on new filesystems/installations. 

There is interest in this bug, and a couple of people are running into it. 
Unfortunately, it's also a bug where the expertise necessary to
explore/fix it in much detail is fairly narrowly distributed. I've seen at
least one report that was sent to Jeff Roberson and Kirk McKusick.  You
might want to CC kirk@mckusick.com directly...  We should get this on the
5.3-TODO list to make sure it's getting visibility. 

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert@fledge.watson.org      Senior Research Scientist, McAfee Research


> 
> > ---------------------------------------
> > Robin P. Blanchard
> > Systems Integration Specialist
> > Georgia Center for Continuing Education
> > fon: 706.542.2404 < > fax: 706.542.6546
> > ---------------------------------------
> > 
> > _______________________________________________
> > freebsd-current@freebsd.org mailing list
> > http://lists.freebsd.org/mailman/listinfo/freebsd-current
> > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
> 
> -chip
> --
> personal: chip norkus; renaissance hacker;        wd@teleri.net
> work:     systems engineer @ lunarpages, inc.;    chip@lunarpages.com
> info:     finger wd@teleri.net for plan or keys;  http://telekinesis.org
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> 



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