[Bug 92315] New: [SKL] Hard system hang after recovered GPU hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92315

            Bug ID: 92315
           Summary: [SKL] Hard system hang after recovered GPU hang
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: tomix.p.sarvela at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 118711
  --> https://bugs.freedesktop.org/attachment.cgi?id=118711&action=edit
GPU kern warning before actual system hand

Intel i5-6600K / Z170 system with latest git drm-linux, mesa and xorg.

Some graphics operations can hang system if there has been GPU hang before.
Attached is an example of recovered GPU hang, but the hard hang is fast enough
not to leave trace even in serial port.

Mika Kuoppala knows about this issue.

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