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[Xen-devel] Possible BUG: starting more than 1 domain with same pci= pas

from [Tim Moore]

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Subject:	[Xen-devel] Possible BUG: starting more than 1 domain with same pci= passthrough device
From:	Tim Moore <timothy.moore@xxxxxxxxxxx>
Date:	Mon, 13 Apr 2009 19:48:46 +0100
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Thread-topic:	Possible BUG: starting more than 1 domain with same pci= passthrough device

Xen 3.4-rc1

Dom0: 2.6.18.8-xen0 (pciback.hide=”03:00.0”)

DomU: Linux pv 2.6.26-1 (Debian) ( pci=[’03:00.0’] )

DomU: Windows XP SP3 HVM ( pci=[’03:00.0’] )

Starting Linux PV with passthrough graphics OK, then start Windows HVM with passthrough also (happened by accident) and xentools proceeds to start without warning or error. The passthrough to Windows HVM is not working anyway.

Switching off the Windows HVM then caused a complete lock up on Dom0, had to hit the reset switch!

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