Re: [Xen-users] ATI VGA Passthrough / Xen 4.2 / Linux 3.8.6

[Gordan Bobic <gordan@xxxxxxxxxx>]

Update: Having read through some of the mailing list archives, I tried 
putting the secondary card being passed through into a different slot, 
in an attempt to make sure it is on a different PCIe bridge from other 
host devices (e.g. the host's primary GPU).
My subjective feeling is that this seems to have improved the 
reliability a little bit, but there are still BSODs occurring, mainly 
mentioning a timeout while waiting for the device reset on the GPU. 
Particularly when attempting to do some testing of the GPUs 3D 
capabilities (e.g. Crysis benchmark).
Does anyone have any words of wisdom on the subject of troubleshooting 
VGA passthrough device reset timeouts in the guest?
Gordan

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