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Message-ID: <20081104164052.GA8499@linux.vnet.ibm.com> Date: Tue, 4 Nov 2008 08:40:52 -0800 From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> To: "Rafael J. Wysocki" <rjw@...k.pl> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Kernel Testers List <kernel-testers@...r.kernel.org>, Andi Kleen <andi@...stfloor.org> Subject: Re: [Bug #11876] RCU hang on cpu re-hotplug with 2.6.27rc8 On Sun, Nov 02, 2008 at 05:49:38PM +0100, Rafael J. Wysocki wrote: > This message has been generated automatically as a part of a report > of regressions introduced between 2.6.26 and 2.6.27. > > The following bug entry is on the current list of known regressions > introduced between 2.6.26 and 2.6.27. Please verify if it still should > be listed and let me know (either way). > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11876 > Subject : RCU hang on cpu re-hotplug with 2.6.27rc8 > Submitter : Andi Kleen <andi@...stfloor.org> > Date : 2008-10-06 23:28 (28 days old) > References : http://marc.info/?l=linux-kernel&m=122333610602399&w=2 > Handled-By : Paul E. McKenney <paulmck@...ux.vnet.ibm.com> Hallo, Andi, Last I heard, the act of enabling CONFIG_RCU_CPU_STALL_DETECTOR reduced the problem from a hang to a 3-second grace period. How are things going with this now? Thanx, Paul -- 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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