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Date: Sat, 25 Aug 2007 21:02:23 +0200 From: Ingo Molnar <mingo@...e.hu> To: Matthias Hensler <matthias@...se.de> Cc: Christian Hesse <mail@...thworm.de>, suspend2-devel@...ts.tuxonice.net, Suspend2-users@...ts.suspend2.net, linux-kernel@...r.kernel.org, suspend2-devel <suspend2-devel@...ts.suspend2.net>, David Rodriguez <livuxman@...il.com> Subject: Re: [Suspend2-devel] Problem with CFS V20 and Suspend2/tuxonice * Matthias Hensler <matthias@...se.de> wrote: > > Same problem here: Core Duo, Kernel 2.6.22.5, Suspend 2.2.10, CFS > > v20.2. > > Me too for 2.6.22.5, TuxOnIce 2.2.10 and Centrino based notebook. possible bugfix below. Ingo Index: linux-cfs-2.6.22.5.q/kernel/sched.c =================================================================== --- linux-cfs-2.6.22.5.q.orig/kernel/sched.c +++ linux-cfs-2.6.22.5.q/kernel/sched.c @@ -5043,6 +5043,8 @@ static int migration_thread(void *data) struct migration_req *req; struct list_head *head; + try_to_freeze(); + spin_lock_irq(&rq->lock); if (cpu_is_offline(cpu)) { @@ -5399,6 +5401,7 @@ migration_call(struct notifier_block *nf p = kthread_create(migration_thread, hcpu, "migration/%d", cpu); if (IS_ERR(p)) return NOTIFY_BAD; + p->flags |= PF_NOFREEZE; kthread_bind(p, cpu); /* Must be high prio: stop_machine expects to yield to it. */ rq = task_rq_lock(p, &flags); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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