Re: [ACPI] Interesting error after sleep

[Daniel J. <da...@de...>]

On Sat, Jun 22, 2002 at 10:18:26AM +0200, Pavel Machek wrote:
> Hi!
> 
> > I just booted 2.4.19-pre10-ac2 + ACPI on my laptop (a Fujitsu Lifebook
> > P-2046).  The ACPI patch applied with a couple dozen rejects and I think I
> > got the merge right; available on request.
> > 
> > ACPI works, and sleep is much closer than before.  Now I get:
> > 
> > echo 3 > /proc/acpi/sleep
> > 
> > hwsleep-0239 [183] Acpi_enter_sleep_state: Entering S3
> > [it sleeps]
> > [power key]
> > utmisc-0586 [188] Ut_acquire_mutex	: Invalid acquire order, Thread 592
> > 	owns ACPI_MTX_Hardware, wants ACPI_MTX_Namespace
> > hwsleep-0355: *** Error: Method _BFS failed, AE_ACQUIRE_DEADLOCK
> > utmisc-0586 [188] Ut_acquire_mutex	: Invalid acquire order, Thread 592
> > 	owns ACPI_MTX_Hardware, wants ACPI_MTX_Namespace
> > hwsleep-0360: **** Error: Methow _WAK failed, AE_ACQUIRE_DEADLOCK
> > utmisc-0578 [187] Ut_acquire_mutex	: Mutex [ACPI_MTX_Hardware] already
> > 	acquired by this thread [592]
> > branoic:~# Unknown interrupt
> > 
> > and nothing works after that.
> > 
> > Any ideas on further debugging?  Is this likely to be a buggy BIOS problem?
> 
> Try doing init_8259A() after wakeup.
> 
> [Ouch. How is S3 supposed to work without driver model?]
> 
> I'd recommend you to get 2.5.X.

I tried 2.5.26, and added an init_8259A () call after wakeup.  The
Unknown Interrupt message goes away but the keyboard does not come
back.   And I still get the same messages as above.

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer