http://bugzilla.kernel.org/show_bug.cgi?id=12279





------- Comment #7 from yakui.z...@intel.com  2008-12-23 17:30 -------
Hi, David
    Will you please enable the "CONFIG_PM_TRACE" in kernel configuration and do
the following test on 2.6.28-rc1? (The boot option of "acpi_sleep=s3_beep"
should be added).
    a. echo 1 > /sys/power/pm_trace
    b. echo mem > /sys/power/state; dmesg >dmesg_after;
    c. press the power button and see whether the beep voice can be heard and
the system can be resumed

    If the system can't be resumed, please reboot the system and check whether
there exists the file of "dmesg_after". If there is no file of "dmesg_after",
please look at the dmesg for things like the following:
    >Magic number: 4:156:725
    >hash matches drivers/base/power/resume.c:28
    >hash matches device 0000:01:00.0
    Thanks.


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