http://bugzilla.kernel.org/show_bug.cgi?id=13710
Zhang Rui <rui.zh...@intel.com> changed:
What |Removed |Added
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Status|NEW |ASSIGNED
CC| |rui.zh...@intel.com
--- Comment #2 from Zhang Rui <rui.zh...@intel.com> 2009-07-06 01:23:36 ---
(In reply to comment #0)
> To make clean test i used test_suspend=mem with acpi_sleep options
> (s3_bios and/or s3_mode) and without acpi_sleep. Any acpi_sleep option will
> make my PC freeze.
that's right. these options don't work all the time.
sometimes they may freeze the laptop.
> Without acpi_sleep it will resume but with black screen and i can access
> it with ssh. Disabling kms will resume with black console but Xorg will
> enable video.
In order to get the video back, you MUST set CONFIG_DRM_I915_KMS.
why do you want to disable kms?
So I think the main problem here is the two warnings after resume.
> [ 60.816159] Corrupted low memory at ffff880000004200 (4200 phys) = 00420301
I have no idea about this yet.
> [ 11.621573] PM: resume devices took 5.784 seconds
> [ 11.621574] ------------[ cut here ]------------
> [ 11.621579] WARNING: at kernel/power/suspend_test.c:52
> suspend_test_finish+0x7c/0x80()
look at the suspend_test_finish source code.
/* Warning on suspend means the RTC alarm period needs to be
* larger -- the system was sooo slooowwww to suspend that the
* alarm (should have) fired before the system went to sleep!
*
* Warning on either suspend or resume also means the system
* has some performance issues. The stack dump of a WARN_ON
* is more likely to get the right attention than a printk...
*/
WARN(msec > (TEST_SUSPEND_SECONDS * 1000), "Component: %s\n", label);
this doesn't seem like a problem to me.
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