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Re: [Xen-devel] x86_64 DOM0 SMP oops

from [Chris Wright]

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To:	Ryan Harper <ryanh@xxxxxxxxxx>
Subject:	Re: [Xen-devel] x86_64 DOM0 SMP oops
From:	Chris Wright <chrisw@xxxxxxxx>
Date:	Mon, 22 Aug 2005 12:12:54 -0700
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* Ryan Harper (ryanh@xxxxxxxxxx) wrote:
> While working/testing the hotplug patch for x86_64, I encountered an
> [1]oops.  When the system was idle or minor load, I didn't have any
> problems, but as I kicked off an parallel build of the kernel, I hit the
> oops.  
> 
> changeset:   6315:531ad4bde8f249c318588f41bdbb72d0b0e0ea9c
> tag:         tip
> parent:      6314:473af43ac65b1a872b058469d01acc6cfa21505d
> parent:      6313:d8fd24b4308078f6d20aa8a306e540c5833ca5a2
> user:        cl349@xxxxxxxxxxxxxxxxxxxx
> date:        Mon Aug 22 05:21:18 2005
> summary:     merge?
> 
> 1. 
> Unable to handle kernel NULL pointer dereference at 000000000000001c RIP:
> <ffffffff80112c1a>{retint_kernel+0}
> PGD aae067 PUD aaf067 PMD 0
> Oops: 0000 [1] PREEMPT SMP

Not surprising, w/ PREEMPT.  Is it stable w/out PREEMPT?

thanks,
-chris

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