On 2015/5/8 2:58, Michael Dexter wrote:
Hello all,
Are you running IGD passthrough with guest OS?
On 5/6/15 7:47 PM, Chen, Tiejun wrote:
#1. Disable interrupt message generation
#2. Please add 'cpuidle=0 msi=1'
With another try, get the same with the patched kernel:
What is your CPU? BDW? HSW? And what is your FreeBSD Linux version on
Dom0 side? I just think you can directly try the latest upstream Linux
as Dom0, because I see so many messages indicating GPU hang.
error: [drm:pid12:i915_hangcheck_hung] *ERROR* Hangcheck timer
elapsed... GPU hung
info: [drm] capturing error event; look for more information in sysctl
hw.dri.0.info.i915_error_state
info: [drm] Enabling RC6 states: RC6 off, RC6p off, RC6pp off
error: [drm:pid12:i915_hangcheck_hung] *ERROR* Hangcheck timer
elapsed... GPU hung
info: [drm] Enabling RC6 states: RC6 off, RC6p off, RC6pp off
(XEN) irq.c:380: Dom1 callback via changed to Direct Vector 0x93
error: [drm:pid12:i915_hangcheck_hung] *ERROR* Hangcheck timer
elapsed... GPU hung
info: [drm] Enabling RC6 states: RC6 off, RC6p off, RC6pp off
(XEN) irq.c:270: Dom1 PCI link 0 changed 5 -> 0
(XEN) irq.c:270: Dom1 PCI link 1 changed 10 -> 0
(XEN) irq.c:270: Dom1 PCI link 2 changed 11 -> 0
(XEN) irq.c:270: Dom1 PCI link 3 changed 5 -> 0
error: [drm:pid12:i915_hangcheck_hung] *ERROR* Hangcheck timer
elapsed... GPU hung
info: [drm] Enabling RC6 states: RC6 off, RC6p off, RC6pp off
error: [drm:pid12:i915_hangcheck_hung] *ERROR* Hangcheck timer
elapsed... GPU hung
info: [drm] Enabling RC6 states: RC6 off, RC6p off, RC6pp off
error: [drm:pid12:i915_hangcheck_hung] *ERROR* Hangcheck timer
elapsed... GPU hung
So maybe you need to upgrade DRM/I915 driver firstly.
(XEN) ****************************************
(XEN) Panic on CPU 2:
(XEN) queue invalidate wait descriptor was not executed
(XEN) ****************************************
I had 'intel_iommu=off' are per a suggestion I found and removed it.
Yes, you should enable intel iommu if you want to use IOMMU.
Thanks
Tiejun
See "intelpatch2.txt" for this output.
"intel-no-xorg.txt" is the successful lifecycle of the same DomU without
Xorg running for reference.
Michael Dexter
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