[Bug 54575] [GM45] boot-up broken in kernel 3.4.10 - screen stays blank (bad patch identified)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54575

--- Comment #10 from andreas.sturmlechner at gmail.com ---
Created attachment 72250
  --> https://bugs.freedesktop.org/attachment.cgi?id=72250&action=edit
dmesg.log

Indeed, this can be found in dmesg (full log attached):


[    0.372850] [drm] Initialized drm 1.1.0 20060810
[    0.373062] i915 0000:00:02.0: power state changed by ACPI to D0
[    0.373162] i915 0000:00:02.0: power state changed by ACPI to D0
[    0.374157] i915 0000:00:02.0: setting latency timer to 64
[    0.381492] ACPI: Battery Slot [BAT0] (battery present)
[    0.642451] i915 0000:00:02.0: irq 40 for MSI/MSI-X
[    0.642473] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[    0.642531] [drm] Driver supports precise vblank timestamp query.
[    0.642656] vgaarb: device changed decodes:
PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[    1.043225] [drm:init_ring_common] *ERROR* render ring initialization failed
ctl 0001f001 head 000010e8 tail 00000000 start 00001000
[    1.043620] [drm:i915_driver_load] *ERROR* failed to init modeset
[    1.176373] i915: probe of 0000:00:02.0 failed with error -5


(output taken from kernel image with paranoia patch #1 applied)

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