[Bug 59841] New: Internal display not shown with intel X driver

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=59841

           Summary: Internal display not shown with intel X driver
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.10-rc6
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - Intel)
        AssignedTo: intel-gfx-bugs at lists.freedesktop.org
        ReportedBy: jkp at iki.fi
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: Yes


With 3.10-rc5 & 3.10-rc6, internal display doesn't show a picture. From the
window manager / user side, everything appears normal, in other words as if
there's a picture.

E.g. backlight brightness adjustment works, but no picture on X screen or
console.

Works with the same hardware & X server config (no xorg.conf) on e.g. stable
3.9.5, 3.9.6 and Ubuntu 3.8.

Hardware: Asus Transformer Book TX300 (4005) (Intel HD4000 graphics)

Software: Ubuntu 13.04

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