Bug 69291

Summary:	Hybrid graphic problem
Product:	Drivers	Reporter:	Michael (michael)
Component:	Video(DRI - Intel)	Assignee:	Todd Previte (tprevite)
Status:	RESOLVED DUPLICATE
Severity:	high	CC:	alan, intel-gfx-bugs
Priority:	P1
Hardware:	x86-64
OS:	Linux
Kernel Version:	3.13	Subsystem:
Regression:	No	Bisected commit-id:

Description Michael 2014-01-23 12:52:48 UTC

after getting the kernel message "[drm] GMBUS [i915 gmbus vga] timed out, falling back to bit banging on pin 2" internal and external monitor stay dark

Asus Aspire Timeline X 3820TG
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 18)
02:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Madison [Mobility Radeon HD 5650/5750 / 6530M/6550M]

Comment 1 Michael 2014-01-23 18:16:36 UTC

Seems to be a duplicate of bug 65761 - setting bootparameter radeon.runpm=0 is a usefull workaround

Comment 2 Jani Nikula 2014-02-11 07:30:07 UTC

(In reply to Michael from comment #0)
> after getting the kernel message "[drm] GMBUS [i915 gmbus vga] timed out,
> falling back to bit banging on pin 2" internal and external monitor stay dark

Usually not a bug.

(In reply to Michael from comment #1)
> Seems to be a duplicate of bug 65761 - setting bootparameter radeon.runpm=0
> is a usefull workaround

I'll trust this assesment.

*** This bug has been marked as a duplicate of bug 65761 ***