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Date: Thu, 12 May 2011 02:20:13 -0700 From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> To: Yinghai Lu <yinghai@...nel.org> Cc: Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org Subject: Re: [GIT PULL rcu/next] rcu commits for 2.6.40 On Thu, May 12, 2011 at 12:42:50AM -0700, Yinghai Lu wrote: > On 05/12/2011 12:27 AM, Yinghai Lu wrote: > > On 05/11/2011 11:03 PM, Ingo Molnar wrote: > >> > >> * Yinghai Lu <yinghai@...nel.org> wrote: > >> > >>> e59fb3120becfb36b22ddb8bd27d065d3cdca499 is the first bad commit > >>> commit e59fb3120becfb36b22ddb8bd27d065d3cdca499 > >>> Author: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> > >>> Date: Tue Sep 7 10:38:22 2010 -0700 > >>> > >>> rcu: Decrease memory-barrier usage based on semi-formal proof > >> > >> Find below an (untested!) attempt at reverting it for debugging purposes: could > >> you please try it, does your system now boot up fine? > >> > >> Thanks, > >> > >> Ingo > >> > > > > yes, reverted manually that commit fix the problem. > > on system with 8 sockets westmere-ex > > it seems other commits after that commit contribute some delay too. > > [ 32.240739] cpu_dev_init done > [ 73.587288] memory_dev_init done I am testing a revert of e59fb3120becfb36b22ddb8bd27d065d3cdca499 and will chase down the delay. Could you please send along your .config file? 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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