RE: [ACPI] 2.6.3 + D600 + battery state + BUG?? [Was] Battery status sometimes missing

[Ow M. H. <ow....@wd...>]

> -----Original Message-----
> From: Yu, Luming [mailto:lum...@in...]
> Sent: Friday, February 27, 2004 11:20 AM
> To: Ow Mun Heng; Acpi-List (E-mail)
> Subject: RE: [ACPI] 2.6.3 + D600 + battery state + BUG?? [Was] Battery
> status sometimes missing
>=20
>=20
> > Note : I still see this soometimes
> > osl-0886[80] os_wait_semaphore:Failed to acquire=20
> > semaphore[dffac580|1|0],
> > AE_TIME
>=20
> Hmm, this is unusual inforation. I'm curious about the semaphore which
> is timeout to
> be acquired by whom?  Would you help with add dump_stack just before
> that debug
> message? This is a interesting bug. :)
>=20
> I'm not sure, but maybe the following two patch can help, only because
> they aim  to
>  global lock/mutex issue.
> 1.) http://bugme.osdl.org/show_bug.cgi?id=3D1781#c18
> 2.) http://bugme.osdl.org/show_bug.cgi?id=3D1669#c6

Can you tell me how to add the dump_stack??

in /proc/acpi/debug_layer ??? how to do it?? Echo what??