Messages in this thread | | | From | Dmitry Torokhov <> | Subject | Re: keyboard dies during failed suspend attempt | Date | Fri, 4 Nov 2005 00:11:17 -0500 |
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On Thursday 03 November 2005 03:54, Pierre Ossman wrote: > I discovered a problem with my laptop keyboard when the machine failed > to suspend. Pavel Machek pointed me in your direction for guidance. :) > > The original issue (swsusp failing) is in this thread: > > http://marc.theaimsgroup.com/?t=113093802700002&r=1&w=2 > > The side issue is that the keyboard goes completely dead when the > suspend fails like this. Not even hardware buttons that control the > intensity of the TFT backlight work. >
Are these controlled by ACPI?
> The problem doesn't happen every time, but it seems to be often enough > to do some decent testing. > > The problem seems to have appeared after 2.6.14 was released. Since the > problem is intermittent I can't be 100% sure of this, but it's fairly > likely since none of the tests before 2.6.14 failed. >
It feels like device_resume is not called somewhere when swsusp fails.
Could you try activating debug mode for i8042:
echo 1 > /sys/modules/i8042/parameters/debug
...and then making it fail. Then we'll see if i8042 resume methods are called and whether they succeed.
-- Dmitry - 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/
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