Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [discuss] Re: 2.6.15-rc5-mm1 (x86_64-hpet-overflow.patch breaks resume from disk) | Date | Fri, 9 Dec 2005 00:00:21 +0100 |
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Hi,
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).
Greetings, Rafael
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