[Bug 67856] New: [915] apparent hard lockup

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67856

          Priority: medium
            Bug ID: 67856
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [915] apparent hard lockup
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: mthode at mthode.org
          Hardware: Other
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 83753
  --> https://bugs.freedesktop.org/attachment.cgi?id=83753&action=edit
error state

xf86-video-intel-2.21.14
xorg-x11-7.4
xorg-server-1.14.2
x86_64
3.10.5 (been happening since 3.8ish)
dunno the chipset, but comes from a Lenovo T520 (no nvidia in it, intel only)
Gentoo
Might be related to bug #67092

Here is how I reproduce it.
1. switch to external displays via xrandr
2. go about my day (play videos, go to websites, whatever) and switch back to
the LVDS display
3. suspend
4. unsuspend and go to websites (heavy ones do this more, google plus, google
maps, youtube sometimes as well).
5. hang/lockup

I have NOT been able to get the error state stuff from a locked up system, only
if it recovers (which it does 80-90% of the time I think).

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