[Bug 19132] New: Changing the default cpufreq govenor freezes suspend

[Bug 19132] New: Changing the default cpufreq govenor freezes suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=19132

           Summary: Changing the default cpufreq govenor freezes suspend
           Product: Power Management
           Version: 2.5
    Kernel Version: 2.6.35
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: cpufreq
        AssignedTo: cpufreq@vger.kernel.org
        ReportedBy: lukasgraesslin@gmx.de
                CC: preining@logic.at
        Regression: No


Since 2.6.35 my Thinkpad X200 with Intel Chipset freezes (the screen is getting
black with just a cursor and hangs forever there) on suspend when the default
cpufreq govenor is changed. This happens beacuse pm-utils changes the default
govenor when going on suspend(-to-ram, but to-disk also I think).

When I disable that changing of the govenor suspend will work again.

This may have to do something with the Intel Graphic as well, because the
problem only occurs when beeing on X. Without X the suspend works fine.

With 2.6.34 everything worked well.

See also:

http://lkml.org/lkml/2010/7/22/595
https://bugs.archlinux.org/task/20806
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=586674#51

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[Bug 19132] Changing the default cpufreq govenor freezes suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=19132





--- Comment #1 from Lukas Grässlin <lukasgraesslin@gmx.de>  2010-10-02 11:14:32 ---
Mh seems that the problem does not exist in .35.7 anymore. I'm happy :)

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[Bug 19132] Changing the default cpufreq govenor freezes suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=19132





--- Comment #2 from Lukas Grässlin <lukasgraesslin@gmx.de>  2010-10-03 12:32:45 ---
Mh or not? I had just the same problem. But yesterday sometimes it worked!?
Strange...

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[Bug 19132] Changing the default cpufreq govenor freezes suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=19132





--- Comment #3 from Rafał <rafal@trojniak.net>  2010-10-19 09:21:05 ---
After upgrade to 2.6.35.7 ( kernel26-2.6.35.7-1 in Arch linux) and few tries
everything works fine for me.

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[Bug 19132] Changing the default cpufreq govenor freezes suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=19132


Zhang Rui <rui.zhang@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |rui.zhang@intel.com
         Resolution|                            |CODE_FIX




--- Comment #4 from Zhang Rui <rui.zhang@intel.com>  2012-01-18 02:18:59 ---
But closed as it seems that the problem has already been fixed.

Please feel free to reopen it if the problem still exists in the latest
upstream kernel.

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[Bug 19132] Changing the default cpufreq govenor freezes suspend

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=19132


Len Brown <lenb@kernel.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED
                 CC|                            |lenb@kernel.org
         Resolution|CODE_FIX                    |PATCH_ALREADY_AVAILABLE




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