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

[David Weinehall]

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@acc.umu.se> /) Northern lights wander      (\
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