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    SubjectRe: 2.6.29-rc2 regression: hibernation hang on eeepc-701 (method "platform" only)
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    On 1/18/09, Alan Jenkins <alan-jenkins@tuffmail.co.uk> wrote:
    > Hibernation hangs just after writing the image. With s2disk I can see
    > this from the console messages. The same hang happens with kernel
    > swsusp ('echo disk | sudo tee /sys/power/state'), and I can see that
    > the image has been written from the HDD led.
    >
    > In either case, I can still hard-power-off and resume from hibernation.
    >
    > It doesn't hang if I use the shutdown method (either 'echo shutdown |
    > sudo tee /sys/power/disk' or 's2disk -P "shutdown method=shutdown"').

    As a wild guess I tried "acpi_sleep=s4_nonvs", but it didn't help.

    In fact it didn't seem to work. The kernel log says that NVS was
    still saved and restored.

    $ dmesg | grep -i nvs
    [ 0.000000] BIOS-e820: 000000001f790000 - 000000001f7d0000 (ACPI NVS)
    [ 0.000000] Kernel command line: root=/dev/sda2 ro resume=/dev/sda2
    resume_offset=144480 quiet acpi_sleep=s4_nonvs
    [ 91.105449] PM: Saving platform NVS memory
    [ 91.106707] PM: Restoring platform NVS memory

    Thanks
    Alan


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