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#1 2009-10-19 09:45:19

tad
Member
Registered: 2006-12-08
Posts: 19

Kernel mode setting kills suspend/hibernate

Just a heads up for those with suspend/hibernate problems after the latest kernel update (specifically, the "weird colored bars on resume" problem): disabling kernel mode setting (by appending "nomodeset" to the kernel boot parameters in /boot/grub/menu.lst) cured my issues. This is on a Thinkpad X31 with a Radeon Mobility M6 LY chipset.

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#2 2009-10-19 16:52:00

MadTux
Member
Registered: 2009-09-20
Posts: 553

Re: Kernel mode setting kills suspend/hibernate

I can confirm the problems as well as the solution for the ThinkPad X31 with the same graphics card.

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#3 2009-10-27 18:05:39

jperry
Member
Registered: 2009-01-30
Posts: 17

Re: Kernel mode setting kills suspend/hibernate

Resuming from hibernate also broke on my machine when I enabled "early" KMS (Thinkpad T61 with Intel graphics). I had problems with both kernel hibernate and uwsusp.

Can anybody confirm whether tuxonice helps? I am thinking of switching to kernel26-ice.

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#4 2009-11-28 14:15:48

leeyee
Member
From: Kingston, Canada
Registered: 2009-01-07
Posts: 150

Re: Kernel mode setting kills suspend/hibernate

With early KMS enabled, both suspend and hibernate broken on Thinkpad T400 with Intel graphics. For suspend, the laptop cannot actually suspend.(Screen go black and seconds later bright again); For hibernate, however, resuming from hibernation runs into blank screen, Ctrl+Alt+F1-6 doesn't work either. Only hard restart can get out of this.


Archlinux x86_64 on Thinkpad T400
Intel X4500MHD / ATI HD3470 Graphics, 2G RAM, 160G HD

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#5 2010-01-04 10:31:44

yuanjie.huang
Member
Registered: 2010-01-04
Posts: 15

Re: Kernel mode setting kills suspend/hibernate

I meet the same problem on my Acer TM4102 laptop with X700 mobile graphic card, neither hibernate to disk nor suspend to ram works with KMS enabled. After disabling KMS vie kernerl parameters, it works fine.

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