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    SubjectSuspend hangs since 2.6.34

    as of kernel 2.6.34 I sometimes get a strange hang during suspend to
    RAM. After echo mem > /sys/power/state, the suspend script hangs, Xorg
    eats 100% CPU, and the desktop is frozen. I can kill the script and the
    computer will then suspend and resume fine. The kernel log shows
    nothing interesting when the hang happens:

    usblp0: removed
    usbcore: deregistering interface driver dvb_usb_vp7045
    dvb-usb: Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)
    successfully deinitialized and disconnected.
    PM: Syncing filesystems ... done.

    Is this a known problem? I had rock stable suspend with 2.3.33.x. The
    computer is a Mac mini Core2 Duo with i945 graphics. I use KMS. I will
    compile a kernel with suspend debug to get more information if the hang
    happens next time.


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