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Date:      Tue, 20 May 2003 11:30:41 -0700
From:      Steve Kargl <sgk@troutmask.apl.washington.edu>
To:        current@freebsd.org
Subject:   Re: XFree86 process gets stuck in *Giant
Message-ID:  <20030520183041.GA79086@troutmask.apl.washington.edu>
In-Reply-To: <20030520180258.GA2768@node1.cluster.srrc.usda.gov>
References:  <20030520180258.GA2768@node1.cluster.srrc.usda.gov>

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On Tue, May 20, 2003 at 01:02:59PM -0500, Glenn Johnson wrote:
> I have had this happen a couple of times since running -CURRENT (since
> about the days of 5.0-RELEASE).  My machine (an SMP box) will be
> non-responsive, no graphics, no ability to use the mouse or keyboard.
> Upon logging into another machine and using ssh to connect to the hung
> machine, I can login to it, albeit very slowly.  Upon running 'top' I
> see that the XFree86 process is stuck in *Giant and using > 100% of the
> CPU (according to top).
> 
> The only way out is a reboot because if I kill the XFree86 process the  
> machine will completely die.  Has anyone else seen this?  Is there      
> something I can do to prevent it from happening?                        
> 

Which scheduler are you using?  ULE (supposely) has
issues with SMP.

-- 
Steve



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