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[Xen-devel] DMA in HVM guest on x86_64

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] DMA in HVM guest on x86_64
From: Michael Best <mbest@xxxxxxxxxxxxx>
Date: Tue, 15 Aug 2006 22:43:01 -0600
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I've been following unstable day to day with mercurial but I'm still having a problem with my HVM testing.

I using the i686 Centos + Bluecurve isntaller and I get the following error in the guest during disk formatting:

<4>hda: dma_timer_expiry: dma status == 0x21
<4>hda: DMA timeout error
<4>hda: dma timeout error: status=0x58 { DriveReady SeekComplete DataRequest }
<4>ide: failed opcode was: unknown

Not sure if there is a solution to this at present, or if some patches are still coming down the road.


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