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

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On Mon, Jul 03, 2006 at 01:16:45PM +0200, Rafael J. Wysocki wrote:
> 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).

Ick, that should not cause any problems, as sysfs should look identical
to how it was before those patches.  Except that the /sys/class/usb/
stuff is now symlinks instead of real directories, but HAL has had to
handle that for a long time now (and it's even documented in
Documentation/ABI/testing/sysfs-class)

Can you tell me exactly which of the above patches breaks HAL?

Which version of HAL are you using?  I have 0.5.7 here and it works just
fine.

And why would they even matter?  The battery is not a USB device...

confused,

greg k-h
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