[Bug 108111] New: gpu hang after resume on ivybridge Asus UX31A an dmesg errors

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=108111

            Bug ID: 108111
           Summary: gpu hang after resume on ivybridge Asus UX31A an dmesg
                    errors
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.4-rc1
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: tasev.stefanoska at skynet.be
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

Created attachment 194771
  --> https://bugzilla.kernel.org/attachment.cgi?id=194771&action=edit
dmesg after boot

Hi

After boot i have a *ERROR* mismatch in has_drrs in dmesg (at 2.40) .
After suspend/resume the gpu hang for 20 seconds with

[  109.349028] [drm] stuck on render ring
[  109.349397] [drm] GPU HANG: ecode 7:0:0x85fffff8, in kwin [1667], reason:
Ring hung, action: reset

The gpu crash dump, dmesg after boot an after suspend/resume are attached.

lspci | grep VGA 
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor
Graphics Controller (rev 09)

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