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Milan Broz schrieb: > Rafael J. Wysocki napsal(a): > >> On Sunday, 11 March 2007 19:08, Thomas Meyer wrote: >> >>> Suspend to disk doesn't work on my laptop. >>> >>> The suspend seems to hang while enabling the non-boot cpus again. >>> >>> with platform = "test" and state = "disk" i get this: >>> > > > Hi, > I see the same problem - 2.6.21-rc3 with NO_HZ set (tickless), > short printk trace > > enable_nonboot_cpus > _cpu_up > raw_notifier_callchain (CPU_UP_PREPARE) > ... > update_sched_domains > detach_destroy_domains > [waits here] --> synchronize_sched (==synchronize_rcu) > > Maybe this helps: Mar 11 20:03:56 [kernel] PM: Removing info for No Bus:msr1 Mar 11 20:03:56 [kernel] CPU1 is down Mar 11 20:03:56 [kernel] swsusp debug: Waiting for 5 seconds. Mar 11 20:03:56 [kernel] Enabling non-boot CPUs ... Mar 11 20:03:56 [kernel] _cpu_up: before notifier CPU_UP_PREPARE. Mar 11 20:03:56 [kernel] migration_call: Hi! Mar 11 20:03:56 [kernel] rcu_cpu_notify: Hi! Mar 11 20:03:56 [kernel] timer_cpu_notify: Hi! Mar 11 20:03:56 [kernel] hrtimer_cpu_notify: Hi! Mar 11 20:03:56 [kernel] cpu_callback: Hi! Mar 11 20:03:56 [kernel] workqueue_cpu_callback: Hi! Mar 11 20:03:56 [kernel] topology_cpu_callback: Hi! Guess what? Hang! Mar 11 20:03:56 [kernel] _cpu_up: after notifier CPU_UP_PREPARE. Mar 11 20:03:56 [kernel] SMP alternatives: switching to SMP code Mar 11 20:03:56 [kernel] Booting processor 1/1 eip 3000 Mar 11 20:03:56 [kernel] CPU 1 irqstacks, hard=c0388000 soft=c0386000 Mar 11 20:03:56 [kernel] Initializing CPU#1 I use NO_HZ, too. Will try without it. With kind regards thomas - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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