[Bug 92201] New: [drm] stuck on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92201

            Bug ID: 92201
           Summary: [drm] stuck on render ring
           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: ganellon at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 118549
  --> https://bugs.freedesktop.org/attachment.cgi?id=118549&action=edit
/sys/class/drm/card0/error

Stuck occurred always when chrome is running, but actual triggering
time/action/environment is unclear. I built drm-nightly, but since my current
kernel have drm-i915 built-in and bug reproduction takes unknown time I can't
report anything about it. First time I notice this issue on kernel 4.2.0

- system architecture: x86_64
- kernel version: 4.2.1-gentoo
- linux distribution: Gentoo
- machine: Lenovo T430 (2344BZU)
- display connector: panel connected via LVDS, VGA and DP++ disconnected

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