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RE: [Xen-users] malloc problems?

To: "Brandon Williams" <driftx@xxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] malloc problems?
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Thu, 28 Jul 2005 23:41:10 +0100
Cc: ian.pratt@xxxxxxxxxxxx
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Thread-index: AcWTvUB3mdBwBAojStKH84prfM7KmAACA/sw
Thread-topic: [Xen-users] malloc problems?
 > > Only remaining problem on the new host are FPU exceptions appearing

> > out of the blue while decompressing/compressing JPEGs, 
> which look to 
> > me like xen is failing to save/restore all FPU registers while 
> > switching context, but thats a different story... 
> (workarround was to 
> > use integer DCT in libjpeg instead of the float one)
> 
> That's a bit disturbing...I guess I'm going to have to give 
> up and scrap Xen for this project, maybe 3.0 will solve my problems.

If you're tweaked the kernel config from the 2.0.6 default you need to
be using 2.0-testing to avoid FPU issues. We really need to roll a
2.0.7...

Ian

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