[Bug 106243] [kbl] GPU HANG: 9:0:0x85dffffb, in Cinnamon

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Apr 27 11:19:12 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=106243

--- Comment #4 from Lionel Landwerlin <lionel.g.landwerlin at linux.intel.com> ---
The documentation seems to imply that we should have a post sync operation in
this pipe control :

"Indirect State Pointers Disable

At the completion of the post-sync operation associated with this pipe
control packet, the indirect state pointers in the hardware are
considered invalid; the indirect pointers are not saved in the context.
If any new indirect state commands are executed in the command stream
while the pipe control is pending, the new indirect state commands are
preserved.
"

The ROW_INSTDONE/SAMPLER_INSTDONE values seems to imply that the hardware isn't
completely done working so that might be why we hang?

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