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    SubjectRe: [discuss] Re: 2.6.15-rc5-mm1 (x86_64-hpet-overflow.patch breaks resume from disk)

    On Thursday, 8 December 2005 23:47, Andi Kleen wrote:
    > On Thu, Dec 08, 2005 at 09:43:52AM +0100, Jan Beulich wrote:
    > > I don't know how resume normally handles the re-syncing of the wall
    > > clock, but the problem here is obvious: do_timer runs a loop to
    > > increment jiffies, which may require significant amounts of time
    > > (depending how long the system was sleeping).
    > It would be good if someone could submit a patch to fix
    > this up properly. It indeed sounds wrong.

    Well, timer_resume() does adjust jiffies and wall_jiffies.

    The problem seems to be that vxtime.last and/or vxtime.last_tsc are not
    adjusted by it which makes the timer interrupt handler unhappy (with the
    hpet-overflow patch applied, that is).


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