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Re: [Xen-devel] [XenGT][IGVT-g] DomU pgt_device structure initialization



if (IS_VLV(pdev)) {

 SET_BIT_INFO(hstate, 2, RCS_MMIO_SYNC_FLUSH, IRQ_INFO_GT);

 SET_BIT_INFO(hstate, 14, VCS_MMIO_SYNC_FLUSH, IRQ_INFO_GT);

 SET_BIT_INFO(hstate, 24, BCS_MMIO_SYNC_FLUSH);
}

 

Looks you didnât set IRQ_INFO_GT for BCS event. Is it a typo?

 

Generally you can look at /sys/kernel/debug/vgt/irqinfo to see virtual event injection status, which may give some hint.

 

In your log there is hangcheck triggered in Dom0:

[   51.521359] vGT info:(vgt_handle_dom0_device_reset:940) DOM0 hangcheck timer request reset device.

It means GPU is already hung.

 

I donât have an immediate idea now since this is only an experimental code and not sure how much your hardware is different from its assume configuration.

 

A simpler case might be to just run some 3D workloads within Dom0 to see whether it works well, and then try launch another guest later.

 

Thanks

Kevin

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