[Bug 92163] New: Intel driver unstable with SNA: Intel 5500 (Dell e7450), x11-drivers/xf86-video-intel (2.99.917-r2 at 21/09/15), Linux voyager 4.1.6-hardened-voyager

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92163

            Bug ID: 92163
           Summary: Intel driver unstable with SNA: Intel 5500 (Dell
                    e7450), x11-drivers/xf86-video-intel
                    (2.99.917-r2 at 21/09/15), Linux voyager
                    4.1.6-hardened-voyager
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: slawek at otwiera.cz
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

Created attachment 118486
  --> https://bugs.freedesktop.org/attachment.cgi?id=118486&action=edit
dmesg

PROBLEM:
- Random X.org crashes on SNA (UXA not affected - unable to reproduce)
- Random system reboots (remember to happen while running 3D game) on SNA.
- Artifacts in few applications (for example „phosphor” from xscreensaver) on
SNA

EVIDENCE:
- Xorg.0.log with X.org crash (after monitor plug-out - never happen on UXA)
- Random kernel WARNINGS in dmesg

CONFIG:
- Linux voyager 4.1.6-hardened-voyager #9 SMP Tue Sep 22 17:19:54 CEST 2015
x86_64 Intel(R) Core(TM) i5-5300U CPU @ 2.30GHz GenuineIntel GNU/Linux
- Kernel .config attached

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