Re: thoughts on system hangs after panic()

From: Brian Fundakowski Feldman <green_at_FreeBSD.org>
Date: Wed, 18 Aug 2004 10:07:23 -0400
On Mon, Aug 16, 2004 at 09:43:21PM -0700, Don Lewis wrote:
> I suspect the cause of the system hangs after a panic that are keeping
> crash dumps from working is one of the shutdown_pre_sync handlers
> getting wedged.  The most likely culprit is syncer_shutdown(), but I
> think any of the handlers could get wedged in kthread_suspend().
> 
> Either we should skip shutdown_pre_sync entirely if RB_NOSYNC is set, or
> the handlers should obey this bit as appropriate.  The latter would
> require a little more code to be touched, but would allow for more
> flexibility.

I'll love you forever if that fixes it.

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green_at_FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\
Received on Wed Aug 18 2004 - 12:07:25 UTC

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