On Wed, 2006-07-19 at 12:52 +0200, Łukasz Jachymczyk wrote:
> Hello
>
> I've got a problem with rebooting my linux on laptop hp nx6310 (centrino
> core duo). After restarting, bios hangs for a while and it runs slower
> then usual (up to 15 seconds until grub loads). After that, my linux works
> quite fine, however I'm not able to achieve maximym cpu speed with cpufreq
> and acpi doesn't show actual information about battery left (it shows all
> the time 2:30 hours left) - simply, acpi hangs in the moment of booting.
>
> But there is also ms windows on the same laptop. It reboots smoothly and
> quickly. There is no bios hanging effect. And after such reboot from
> windows, when I boot linux, everything works fine!
>
> I guess it's the problem of the way how linux' kernel with acpi reboots.
> Can somebody tell me what can I do with it? Maybe it's some kind of a bug
> in acpi or kernel?
>
I think I identified two problems of your machine (on a HP nx9420):
Please have a look at:
https://bugzilla.novell.com/show_bug.cgi?id=179702
The battery issue should be related to ACPICA. Hmm, not sure whether
this is really fixed yet, could you try a kernel with latest ACPICA
patches in (try to use Len's ACPI test tree, not sure what is the latest
ACPICA in there it should at least be 20060608).
If it does not work yet, please comment in the bug and I try to track it
down.
The max_freq is never reached because _PPC always returns 1. I couldn't
identify what goes wrong inside there, this looks like a BIOS issue to
me and HP eventually takes care (already updated to latest BIOS? ->
better do that before starting anything else).
Would be nice if you can add a comment there (including your machine
model), this might help to get HP to have a look at it, they care about
Linux compatibility...
Thanks,
Thomas
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