Re: Battery-related regression between 2.6.17-git3 and 2.6.17-git6

From: Rafael J. Wysocki
Date: Mon Jul 03 2006 - 07:14:30 EST


Hi,

On Sunday 02 July 2006 11:15, Rafael J. Wysocki wrote:
> On Sunday 02 July 2006 00:21, Rafael J. Wysocki wrote:
> > With the recent -git on my box (Asus L5D, x86_64 SUSE 10) the powersave
> > demon is apparently unable to get the battery status, although the data in
> > /proc/acpi/battery/BAT0 seem to be correct. As a result, battery status
> > notification via kpowersave doesn't work and it's hard to notice when the
> > battery is low/critical.
> >
> > So far I have verified that this feature works fine with 2.6.17-git3 and
> > doesn't work with 2.6.17-git6 (-git5 doesn't compile here).
> >
> > I'll try to get more information tomorrow (unless someone in the know has
> > an idea of what's up ;-) ).
>
> I've verified that the problem first appeared in 2.6.17-git4.

Apparently this happens because powersaved takes the battery status
information from hald and the following kernel changes make hald crash on
my system:

http://kernel.org/git/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=43104f1da88f5335e9a45695df92a735ad550dda
http://kernel.org/git/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bd00949647ddcea47ce4ea8bb2cfcfc98ebf9f2a
http://kernel.org/git/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c182274ffe1277f4e7c564719a696a37cacf74ea
http://kernel.org/git/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9bde7497e0b54178c317fac47a18be7f948dd471
http://kernel.org/git/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=36679ea59846d8f34a48f71ca1a37671ca0ad3c5

(ie. after reverting them hald works again).

Greetings,
Rafael
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