From owner-freebsd-current  Fri Feb  8 15:40:30 2002
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Date: Fri, 8 Feb 2002 15:34:37 -0800 (PST)
From: Julian Elischer <julian@elischer.org>
To: "Eugene M. Kim" <gene@nttmcl.com>
Cc: David Wolfskill <david@catwhisker.org>, current@FreeBSD.ORG
Subject: Re: Hang on flushing buffers w/today's -CURRENT, SMP system
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cool..
ok, how about adding "show witness"
(we need to figure out which process SHOULD be doing the reboot, but it's
not obvious from this ps, which one we should be looking at.)

if you have it compiled in, show ktr (a couple of pages of it anyhow)
MIGHT show something.


On Fri, 8 Feb 2002, Eugene M. Kim wrote:

> Attached is the requested DDB log (I guessed pid 7 `syncer' is the
> process doing the sync; if this is wrong let me know).
> 
> Eugene
> 
> PS. I used the serial console, so don't feel sorry to ask. =)
> 
> On Fri, Feb 08, 2002 at 02:41:30PM -0800, Julian Elischer wrote:
> > 
> > 
> > 
> > 
> > On Fri, 8 Feb 2002, Eugene M. Kim wrote:
> > 
> > > On Fri, Feb 08, 2002 at 01:43:54PM -0800, Julian Elischer wrote:
> > > > 
> > > > On Fri, 8 Feb 2002, David Wolfskill wrote:
> > > > > 
> > > > > Waiting (max 60 seconds) for system process `vnlru' to stop...stopped
> > > > > Waiting (max 60 seconds) for system process `bufdaemon' to stop...stopped
> > > > > Waiting (max 60 seconds) for system process `syncer' to stop...stopped
> > > > > 
> > > > > syncing disks... 7 7 
> > > > 
> > > > can you hit <CTL><ALT><ESC> and get into the debugger?
> > > 
> > > My box shows the same symptom, and yes I can enter DDB.  How may I help?
> > > 
> > > Eugene
> > > 
> > 
> > "show locks" whould be good.
> > also  'ps'
> > and the stack trace of the process doing the sync...
> > 
> > 
> > tr <PID>
> > 
> > if you can get a serial console that would be best of course.
> > 
> > you may wait a while to see if dave can get into ddb on his serial
> > console.
> > that may save you a lot of writing :-)
> > 
> 


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