Re: Fwd: [ACPI-bugzilla] acpi doesn't work sometimes

[Timo Hoenig <thoenig-dCxI//HcOdFeoWH0uzbU5w@public.gmane.org>]

Hi,

cc'ing Soeren.

On Tue, 2005-11-29 at 13:41 +0800, Yu, Luming wrote:

> I am using an acer notebook with suse 10.0.
> 
> ACPI seems to not work arbitrarily. Sometimes it work and is started during
> boot, sometimes not.
> 
> I often get the message by kpowersave, that it could not start because of
> not running acpi.
> 
> When trying to restart i get this message:
> 
> acpid: can't open /proc/acpi/event: Device or resource busy
> 
> What's the problem and why is it so arbitrary?

Some other daemon process acquired the the event interface before
powersaved could.  Identify the process with

   lsof |grep "/proc/acpi/event"

In rare cases its known that users encounter races between services for
the ACPI event interface.  Only acpid should access the kernel interface
directly; other user space processes should use the socket of acpid to
collect ACPI events.

Since you're using SL 10.0 I suspect you're packages are not up-to-date.

As a fortuneteller:  You've installed mobile selection of SUSE 10.0,
thus IAL (iald) is running which acquires the ACPI event interface as
fallback.  On a Acer notebook its safe to drop iald.

> I considered that it might be, that X is started before acpi. So I've
> already tried to reset the order at media:/hda6/etc/init.d/rc .
> 
> But this doesn't work...
> 
> regards
> 
> Soeren Wellhoefer

   Timo



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