[Bug 99001] New: [HSW]GPU HANG

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99001

            Bug ID: 99001
           Summary: [HSW]GPU HANG
           Product: DRI
           Version: DRI 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: webstrand at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 128350
  --> https://bugs.freedesktop.org/attachment.cgi?id=128350&action=edit
/sys/class/drm/card0/error

Upon opening any program which uses OpenGL, the GPU hangs.

System environment:
-- chipset: Intel(R) Core(TM) i7-4700MQ CPU 
-- system architecture: x86_64
-- xf86-video-intel: 2.99.917.740.g9ac7a33-1
-- xserver: 1.18.4-1
-- mesa: 13.0.2-2
-- libdrm: 2.4.74.r14.g0825792-1
-- kernel: 4.9.0-rc8inteldri+ commit 721d484 of intel-drm branch
-- Linux distribution: Archlinux
-- Machine: MSI GE60 2OE

Reproducing steps:

Run glxspheres64, and the GPU will hang.

Additional info:

I haven't been able to bisect the issue, v3.8 to HEAD exhibit the hang. From
v3.8 to v3.12 the GPU doesn't consistently hang, and from v3.13 onward the GPU
hangs consistently.

The offending line in glxspheres.c which causes the GPU to hang appears to be:

    GLXFBConfig *c=glXChooseFBConfig(dpy, screen, rgbAttribs, &n);

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