[Bug 80832] New: display put to sleep before init completes (& stays black)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80832

          Priority: medium
            Bug ID: 80832
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: display put to sleep before init completes (& stays
                    black)
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: mrmazda at earthlink.net
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 102166
  --> https://bugs.freedesktop.org/attachment.cgi?id=102166&action=edit
dmesg from remote login openSUSE 3.16.0-rc2-5.g19015a0-vanilla

Downstream bug I filed yesterday before testing with openSUSE 3.16 kernel:
https://bugzilla.redhat.com/show_bug.cgi?id=1115241

Gfxchips causing display sleep that does not occur with radeon or nvidia video:
i845G
i865G
i915G
i945G (current attachment)
i4000 series

32 bit and 64 bit kernels produce same behavior.

Prior failing kernel:
kernel-3.16.0-0.rc2.git0.1.fc21

Recent working kernel (plus all 3.15 tested):
kernel-3.16.0-0.rc2.git2.1.fc21 and all of 3.15.*

Latest failing kernels:
kernel-3.16.0-0.rc3.git0.1.fc21
openSUSE 3.16.0-rc2-5.g19015a0-vanilla
on:
VGA compatible controller: Intel Corporation 82945G/GZ Integrated Graphics
Controller (rev 02)

Latest failing cmdline:
ipv6.disable=1 net.ifnames=0 noresume splash=verbose vga=791 video=1024x768 at 60
3

I try to keep all instances of *lymout* off my installations (but sometimes
they sneak in). Normally I have vga=791 video=1024x768 at 60 on my cmdlines, but
removal at runtime has no effect on display sleep. Leaving 3 off or replacing 3
with 5 on cmdline does not help either.

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