[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Re: PROBLEM: 3.0-rc kernels unbootable since -rc3
Monday, July 11, 2011, 9:30:22 PM, you wrote: >> >> Hmmm... Does the stall repeat about every 3.5 minutes after the first stall? > Starting Configure read-only root support... > [ 81.335070] INFO: rcu_sched_state detected stalls on CPUs/tasks: { 0} > (detected by 3, t=60002 jiffies) > [ 81.335091] sending NMI to all CPUs: > [ 261.367071] INFO: rcu_sched_state detected stalls on CPUs/tasks: { 0} > (detected by 3, t=240034 jiffies) > [ 261.367092] sending NMI to all CPUs: > [ 441.399066] INFO: rcu_sched_state detected stalls on CPUs/tasks: { 0} > (detected by 3, t=420066 jiffies) > [ 441.399089] sending NMI to all CPUs: >> >> One thing to try would be to disable CONFIG_RCU_FAST_NO_HZ. I wouldn't >> expect this to have any effect, but might be worth a try. It is really > Did not help. >> intended for small battery-powered systems. >> Just as a note, i'm also seeing some stalls from domU's running a 3.0-rc kernel from you master tree (about 2 week old). But it seems the first occurrences are not as quick after being booted. Unfortunately i haven't got time to investigate more this week. -- Sander _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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