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mijobeOffline
Post subject: Kernel 3.13-0.slh.2-aptosid-amd64 and hybrid graphic cards  PostPosted: 23.01.2014, 12:42



Joined: 2014-01-23
Posts: 4

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There seems to be a bigger problem with hybrid graphic cards. 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. The machine only is accessible from outside. This even might happen before logging in.


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]


Last edited by mijobe on 23.01.2014, 18:27; edited 1 time in total
 
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mijobeOffline
Post subject: RE: Kernel 3.13-0.slh.2-aptosid-amd64 and hybrid graphic car  PostPosted: 23.01.2014, 18:12



Joined: 2014-01-23
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problem can be solved by setting the boot parameter radeon.runpm=0

this deactivates the runtime powermanagement, which is activated by default in 3.13
 
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slhOffline
Post subject: RE: Kernel 3.13-0.slh.2-aptosid-amd64 and hybrid graphic car  PostPosted: 23.01.2014, 19:07



Joined: 2010-08-25
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It would be good if you could notify upstream about it, as they depend on feedback to fine tune the quirks for different devices (I went through it with nouveau in 3.12).
 
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rueXOffline
Post subject: RE: Kernel 3.13-0.slh.2-aptosid-amd64 and hybrid graphic car  PostPosted: 03.02.2014, 18:29



Joined: 2011-05-16
Posts: 55

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hi mijobe,

is the story going on ?

( i have the same story here: X1200 radeon )

Are there any news ?

Is the GPU now cooler or warmer ?

Why is "this hack" not "IN" the newest kernel built-in ?

?
 
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mijobeOffline
Post subject: RE: Kernel 3.13-0.slh.2-aptosid-amd64 and hybrid graphic car  PostPosted: 17.02.2014, 13:19



Joined: 2014-01-23
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This problem already is known and seems to be solved: https://bugzilla.kernel.org/show_bug.cgi?id=65761 - hope that the updates arrive soon ...
 
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rueXOffline
Post subject: Kernel 3.13...-aptosid-amd64 and hybrid graphic radeon  PostPosted: 17.03.2014, 23:20



Joined: 2011-05-16
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@mijobe ...seems to be: problem is back ! with new d-u !

3.13-6.slh.1-aptosid-686 i686

crash: no keyboard, no mouse, all over command-lines... freeze.
 
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