[Bug 85656] New: Screen goes black when GPU tries to render some effects - no recovery possible

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85656

            Bug ID: 85656
           Summary: Screen goes black when GPU tries to render some
                    effects - no recovery possible
           Product: DRI
           Version: XOrg CVS
          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: bugzilla at lewicki.at
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 108702
  --> https://bugs.freedesktop.org/attachment.cgi?id=108702&action=edit
kern.log

To reproduce the error I start Chrome (Version 38.0.2125.111 (64-bit))
and start the Tweetdeck App I have installed.
Whenever I click the "New Tweet" button, the system freezes for about a second
and then the screen blacks out. While the rest of the system is still running,
there is no way re-enabling ANY graphics output from the Intel graphics
adapter. I can only ssh into the machine and do a controlled reboot to regain
any output.

I have attached the kern.log as instructed by the log entry.
The /sys/class/drm/card0/error file only contains the following line:
no error state collected

Any clues for me?


Adam

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