[Bug 90091] New: [BDW] GPU HANG: ecode 8:0:0x85dffffb, in Xorg [937], reason: Ring hung, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90091

            Bug ID: 90091
           Summary: [BDW] GPU HANG: ecode 8:0:0x85dffffb, in Xorg [937],
                    reason: Ring hung, action: reset
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: corsac at debian.org
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Hi,

I just experienced a GPU hang on a broadwell config (ThinkPad X250).

The dmesg looks like https://paste.debian.net/167542/ and the error file is
attached.

I'm running Debian sid, with (custom) kernel 4.0, DDX 2.99.917, libdrm 2.4.58
and mesa 10.4.2. As the log indicates, the I/OMMU is enabled (with
intel_iommu=on). I also have as command line arguments which might be relevant:
i915.enable_ips=0 and intremap_no_x2apic_optout.

If you need anything more, please ask.

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