[Bugme-new] [Bug 32562] New: Random screen freezes

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=32562

           Summary: Random screen freezes
           Product: Other
           Version: 2.5
    Kernel Version: 2.6.38.x, 2.6.39
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
        AssignedTo: other_other at kernel-bugs.osdl.org
        ReportedBy: ffiasd at gmail.com
        Regression: No


Hi,

I've noticed that after kernel upgrade from 2.6.37.5 to 2.6.38.x, mouse cursor
freezes for a fraction of a second. It's nearly 100% reproducible and always
happens on WM (openbox) start. Also when I watch tv or movies in (s)mplayer,
screen freezes for a fraction of a second.

I've tried to bisect this and found that this commit is responsible
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.38.y.git;a=commit;h=6254b32b5791e47ba1c679d023f26985fa34755a

I know that this bug has nothing to do with Linus fix to ecryptfs, but it's the
changes between those two snapshots are causing screen/mouse cursor lags.

good -
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.38.y.git;a=snapshot;h=17db143fc091238c43ab9f373974ca2224a4c3f8;sf=tgz

bad -
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.38.y.git;a=snapshot;h=6254b32b5791e47ba1c679d023f26985fa34755a;sf=tgz


My hardware
Motherboard: ASUS M3A78-T
Processor: AMD Phenom II X4 905e
RAM: 4x2GB 800MHz Kingston ECC DDR2
Graphic card: onboard (HD 3300) I'm using an open source driver
(xf86-video-ati-git)
HDD: Samsung HD322HJ 320GB

OS: Arch Linux 64-bit


Regards,
Krzysztof Grygiencz

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