On Saturday, 5 May 2007 01:11, Ray Lee wrote:
> On 5/4/07, Rafael J. Wysocki <[email protected]> wrote:
> > The change of the hibernation/suspend code ordering made before 2.6.21 has
> > caused some systems to have problems related to ACPI. In particular, the
> > 'platform' hibernation mode doesn't work any more on some systems.
>
> It seems that somewhere between 2.6.21-rc4 and 2.6.21 final my laptop
> stopped being able to come out of suspend to RAM. Before I start
> bisecting (again, sigh), is this ringing any bells for anyone? In
> particular your, patch (snipped) that deals with hibernation, would it
> also affect suspend to RAM?
Not this particular one, but you may try to move pm_finish() after
resume_console() in kernel/power/main.c:suspend_prepare() and see if that
helps.
If it doesn't help, then try to compile the kernel with NO_HZ and
HIGH_RES_TIMERS unset. If that doesn't help, you may try with HPET_TIMER
unset additionally.
Greetings,
Rafael
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