[Bug 105810] New: GPU hangs/resets, sometimes locks completely

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105810

            Bug ID: 105810
           Summary: GPU hangs/resets, sometimes locks completely
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: zaibatsu7 at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 138429
  --> https://bugs.freedesktop.org/attachment.cgi?id=138429&action=edit
dmesg

A laptop sometimes hangs with GPU reset or might lock completely especially if
I leave it turned on in sleep state over night. I'm not sure if it is the same
issue because can't read dmesg output, the system doesn't react neither on
sysrq nor ctrl-alt-f2, simply a blank screen.

I tried to add "intel_iommu=igfx_off" to kernel options without any luck, the
issue still persists.

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