force_hpet patch issue

Andre Müller andre.muller at web.de
Wed May 30 06:20:58 PDT 2007


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Adam Lantos wrote:
> hi
> 
> 
> I own a Thinkpad X41 Tbl (intel ich6), running Linux on it. I use a
> 2.6.21.1 kernel patched with linux-powertop patches. The kernel works
> well, and power consuption had decreased significantly, but when I put
> the machine in ACPI sleep mode, it never resumes. To be more precise,
> it resumes half the way (the hdd and cpu fan switches back, but no
> other response; the sleep led keeps constantly flashing)...
> 
> I suspect the force_hpet patch 'force_hpet_combined_43.patch', because
> when it's not applied (and same kernel, same configuration, of
> course), the suspend/resume cycle works like a charm.
> 
> Found nothing interesting in kernel log, maybe it's not flushed on the
> disk in this 'half-resumed' state.
> 
> 
> any ideas?
> 
> yours,
> adam

have you compared this to the unpatched kernel setup?
the drivers changed quite a bit in 2.6.21.

might be a starting point,

andre

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