Re: [5/6] 2.6.21-rc2: known regressions

Thomas Gleixner
2007-03-06T08:03:23Z

On Tue, 2007-03-06 at 08:25 +0100, Ingo Molnar wrote:
> The programming of periodic tick devices needs to be saved/restored
> across suspend/resume - otherwise we might end up with a system coming
> up that relies on getting a PIT (or HPET) interrupt, while those devices
> default to 'no interrupts' after powerup. (To confuse things it worked
> to a certain degree on some systems because the lapic gets initialized
> as a side-effect of SMP bootup.)
>
> This suspend / resume thing was dropped unintentionally during the
> last-minute -mm code reshuffling.
>
> Signed-off-by: Ingo Molnar <mingo@elte.hu>

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>