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    SubjectRe: Bug/Oops Power Management with linux-2.6.0-test5-mm2

    Hi!

    > This is similar to a bug Pavel reported last week. Please try either
    > removing the usb modules before you suspend, or applying the patch here:
    >

    Hi Patrick,

    Thanks for your email. I did what you suggested

    a) removing usb modules / patching usb.c
    With the same .config this is the output of lsmod

    Now modules are
    -------------------------

    Module Size Used by
    (snd sndcore related intel, ac, seq, pcm, mixer..etc)
    nls_iso8859_1 3872 1
    nls_cp437 5504 1
    nls_utf8 1728 1
    ntfs 84620 1
    nfs 148720 0
    lockd 59728 1 nfs
    sunrpc 120424 2 nfs,lockd
    radeon 116524 30
    yenta_socket 14688 0
    ds 11108 4
    pcmcia_core 63616 2 yenta_socket,ds
    nvram 8008 0
    vfat 12800 1
    e1000 80324 0
    ide_scsi 12992 0
    loop 13864 0
    proc_intf 3168 0
    intel_agp 15036 1
    agpgart 27016 2 intel_agp
    msr 2400 0
    microcode 5080 0
    cpuid 2048 0
    ide_cd 37508 0

    If I patch usb.c there's no need to remove usb modules,
    and I get the same result:

    echo -n mem > /sys/power/state

    PM: Preparing system for suspend
    Stopping tasks: ========================================================================|
    hda: start_power_step(step: 0)
    hda: start_power_step(step: 1)
    hda: complete_power_step(step: 1, stat: 50, err: 0)
    hda: completing PM request, suspend
    PM: Entering state.
    Back to C!
    zapping low mappings.
    PM: Finishing up.
    PCI: Setting latency timer of device 0000:00:1f.5 to 64
    hda: Wakeup request inited, waiting for !BSY...
    e1000: eth0 NIC Link is Up 100 Mbps Full Duplex
    hda: start_power_step(step: 1000)
    hda: completing PM request, resume
    Restarting tasks... done
    agpgart: Found an AGP 2.0 compliant device at 0000:00:00.0.
    agpgart: Putting AGP V2 device at 0000:00:00.0 into 4x mode
    agpgart: Putting AGP V2 device at 0000:01:00.0 into 4x mode
    MCE: The hardware reports a non fatal, correctable incident occurred on CPU 0.
    Bank 1: e200000000000005
    agpgart: Found an AGP 2.0 compliant device at 0000:00:00.0.
    agpgart: Putting AGP V2 device at 0000:00:00.0 into 4x mode
    agpgart: Putting AGP V2 device at 0000:01:00.0 into 4x mode

    The only problem now is that if I suspend, when resuming, neither the
    mouse nor the NIC works, but it's getting much better.


    with
    echo -n disk > /sys/power/state

    Stopping tasks: ===================================================================
    stopping tasks failed (1 tasks remaining)
    Restarting tasks...<6> Strange, artsd not stopped
    done

    IIRC, I only have to kill artsd before hibernating...




    Anyway, thanks again,
    Regards,
    Ramon
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