Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [2.6.22-rc3][ACPI?] Resume from s2r doesn't work. | Date | Mon, 4 Jun 2007 10:13:48 +0200 |
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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
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