lkml.org 
[lkml]   [2007]   [Jun]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: [2.6.22-rc3][ACPI?] Resume from s2r doesn't work.
    Date
    On Sunday, 3 June 2007 23:20, Olaf Dietsche wrote:
    > "Rafael J. Wysocki" <rjw@sisk.pl> writes:
    >
    > > Second, you can use PM_TRACE (Documentation/power/s2ram.txt) to find the
    > > place where it really fails.
    >
    > First I augmented my minimal config kernel with some TRACE_RESUME()s:
    >
    > --- a/kernel/power/main.c 2007-05-27 23:48:05.000000000 +0200
    > +++ b/kernel/power/main.c 2007-06-03 22:28:46.000000000 +0200
    > @@ -223,6 +223,7 @@
    > pr_debug("PM: Finishing wakeup.\n");
    > suspend_finish(state);
    > Unlock:
    > + TRACE_RESUME(error);
    > mutex_unlock(&pm_mutex);
    > return error;
    > }
    > @@ -303,6 +304,7 @@
    > error = enter_state(state);
    > else
    > error = -EINVAL;
    > + TRACE_RESUME(error);
    > return error ? error : n;
    > }
    >
    > With this test script:
    >
    > #! /bin/sh
    >
    > sync
    > echo 1 >/sys/power/pm_trace
    > echo mem >/sys/power/state
    > shutdown -rn now
    >
    > I got alternating
    > hash matches drivers/base/power/resume.c:58
    > and
    > hash matches kernel/power/main.c:307
    >
    > > First, you can check if the patch
    > >
    > > http://www.sisk.pl/kernel/hibernation_and_suspend/2.6.22-rc3/patches/20-ACPI-preserve-the-ebx-value-in-acpi_copy_wakeup_routine.patch
    >
    > Then I applied this patch, but it doesn't change anything.
    >
    > But either way the script never reaches "shutdown -rn now". So, it
    > seems, that my laptop does a full resume every other reboot, but it
    > never returns to userspace.

    I'm still suspecting that the problem is related to your graphics adapter.

    What graphics adapter do you have in the box?

    Rafael


    --
    "Premature optimization is the root of all evil." - Donald Knuth
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2007-06-04 10:11    [W:0.022 / U:60.040 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site