my Pentium M never go in C3 nor C4 modes...

[Arnaud Patard]

Evgeni Golov <sargentd at die-welt.net> writes:

Hi,

> On Fri, 1 Jun 2007 17:13:14 +0100 Stephen Bridges wrote:
>
>> Ah, didn't realise there was a difference.  I think my laptop is ICH4 rather 
>> than 4M, but I'd better check now.
>
> Your X31 should have an ICH4-M (so does mine...) ;)
>
>> > you can't use the same patch. afaik on ich4m/ich5 you have to poke the
>> > pci registers. I've a ich4m test box where I can force enable the hpet but
>> > the patch is breaking resume :(
>
> Could you please share the patch? (As I understand it's not the
> standard force hpet patch from linuxpowertop.org...)
> Maybe it won't break suspend on other hardware...

Sorry for the delay, but I was busy on other things. The good news is
that I'm now able to resume with the patch :)
I've tested on 2.6.21 and 2.6.22rc4 on ICH4M chipsets. ICH5 owner should
add their pci ids and report if it's working for them too.

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