On Wed 2008-12-31 18:28:19, Dmitry Nezhevenko wrote:
> On Wed, Dec 31, 2008 at 10:47:23AM +0200, Dmitry Nezhevenko wrote:
> > Hi guys. It looks like recent NVIDIA proprietary drivers (and now more
> > often than usually) sometimes don't allow my laptop to shutdown after
> > hibernate.
> >
> > I've tried both S4 and S5. Just after writing RAM content to disk kernel
> > prints "Power down." message and freezes. Something like old AT cases
> > where power should be turned off by hands. So I need to press power button
> > for 4-5 seconds to shutdown machine. During next boot it resumes
> > correctly.
> >
> > Currently I configured xorg to use "nv" driver. Looks like it works
> > correctly. Maybe anybody have some idea and/or workaround?
> >
> > PS. Kernel 2.6.28, latest TuxOnIce, downloaded as patch, nvidia driver
> > v180.18.
> >
>
> I've spent a bit more with debugging this issue. Currently I know
> followed:
>
> 1. Same happens without ToI using mainline hibernation
>
> 2. I've reproduced it once without nvidia proprietary module (using nv),
> however it happens too rarely.
>
> 3. It hangs in infinite loop at drivers/acpi/hardware/hwsleep.c:
>
> do {
> status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value);
> if (ACPI_FAILURE(status)) {
> return_ACPI_STATUS(status);
> }
> } while (!in_value);
>
> (verified by adding printk())
>
> This looks like hardware/bios bug, however there was no such problem in
> times of 2.6.25 kernel (with and without nvidia proprietary module)
Yes, that looks bad.
If it is hard to reproduce w/o nvidia, maybe it is present in 2.6.25
but hard to reproduce...?
Look for updated bios, and maybe ask nvidia for help...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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