Re: ACPI Hibernate and Suspend Strange behavior 2.6.7/-mm1

From: David Weinehall
Date: Fri Jul 16 2004 - 09:49:46 EST


On Thu, Jul 15, 2004 at 08:00:17AM +0200, David Weinehall wrote:
> On Wed, Jul 14, 2004 at 03:45:27PM -0500, John Goerzen wrote:
> > On Wed, Jul 14, 2004 at 10:27:00PM +0200, David Weinehall wrote:
> > > On Wed, Jul 14, 2004 at 08:16:55PM +0000, John Goerzen wrote:
> > > > I'm glad I'm not the only one that is suspecting that. I just tried
> > > > switching my T40p from APM to ACPI. I got suspending to RAM working in
> > > > ACPI, but noticed that when I got it back out of my laptop bag later, it
> > > > was physically warm to the touch. It also had consumed more battery
> > > > power than it would have when suspended with APM. And, if I would shine
> > > > a bright light on the screen, I could make out text on it. In other
> > > > words, the backlight was off but it was still displaying stuff.
> > >
> > > Does poweroff work for you? At least my T40 has problems shutting off
> > > properly when using 2.6 + ACPI. A bit annoying; I have to keep the
> > > powerkey pressed for a few seconds for it to turn off.
> >
> > The only way I ever turn the machine off is by running the halt command,
> > and that is working fine for me. I haven't tried the power key.
>
> I meant using the halt command (or rather shutdown -h now, since I've
> learned not to expect halt to perform a proper shutdown sequence on
> other Unixen). I must have something strange going on with my
> installation then, since it doesn't work for me... Debugging time!

Disabling APIC did fix the problem. ehci_hcd still blocks suspend,
but adding rmmod ehci_hcd .... modprobe ehci_hcd to the sleep and lid
events at least works around the issue.


Regards: David Weinehall
--
/) David Weinehall <tao@xxxxxxxxxx> /) Northern lights wander (\
// Maintainer of the v2.0 kernel // Dance across the winter sky //
\) http://www.acc.umu.se/~tao/ (/ Full colour fire (/
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/