[Bug 61769] New: "xset dpms force off" -> Crash

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61769

          Priority: medium
            Bug ID: 61769
          Assignee: chris at chris-wilson.co.uk
           Summary: "xset dpms force off" -> Crash
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: inform at tiker.net
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 7.7 (2011)
         Component: Driver/intel
           Product: xorg

Created attachment 75873
  --> https://bugs.freedesktop.org/attachment.cgi?id=75873&action=edit
System data from Debian 'reportbug' tool.

On my Thinkpad X220, running the Intel driver v2.20.14 with kernel 3.8 causes
"xset dpms force off" to lead to a hard crash of the machine. No SSH, no
Alt+SysRq.

More system details in attached bug template. Downgrading to kernel 3.2 fixes
this, but leads to other annoyances.

Related: http://www.gossamer-threads.com/lists/gentoo/user/258587

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