software suspend / 2.6.0-test7,8

From: Andreas Jellinghaus (aj_at_dungeon.inka.de)
Date: 10/18/03

  • Next message: Peter Matthias: "Re: ACM USB modem on Kernel 2.6.0-test" 
    To: linux-kernel@vger.kernel.org
Date:	Sat, 18 Oct 2003 18:04:29 +0200

    Hi,

    test7:
    echo -n disk > /sys/power/state
    I thought that would trigger the
    linux kernel build in software suspend
    (the one in the power management code, not the "swsusp" code). It does
    something.
    but I thought that would write it's data to
    my swap partition, too.

    However what happends is, that it looks like
    it shuts down, and then I see a screen from my bios, telling me that
    suspend failed, because there is no partition to save the data to.

    So I wonder: is the power management suspend to disk code meant to work
    only in combination with the bios?

    With earlier kernels I had success with the swsusp code, it worked fine
    without bios support. I will look at that again. Will I need to
    remove the power management suspend to disk code from my config to make
    the swsusp code work again ? (echo 4 > /proc/acpi/sleep does nothing, it
    worked fine with earlier kernels (except vga and wlan)).

    test8, compiled without PM_DISK:
    swsusp works great! except x11 fullscreen mode doesn't work,
    after killing xfree (debian testing) and restarting xfree
    it works fine.

    /sys/power/state still includes "disk" as supported method,
    even though PM_DISK is not compiled in. strange.

    Regards, Andreas

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