From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Paul E. McKenney" Subject: Re: [Bug 10071] kernel hang in inet_init (PREEMPT_RCU problem) Date: Fri, 29 Feb 2008 08:58:01 -0800 Message-ID: <20080229165801.GD13330@linux.vnet.ibm.com> References: <20080228205303.261D311D108@picon.linux-foundation.org> <20080228213457.GA2770@ami.dom.local> <20080229005823.GF14104@linux.vnet.ibm.com> <20080229043235.GA25167@linux.vnet.ibm.com> <47C7ABE3.6080004@axetic.com> Reply-To: paulmck@linux.vnet.ibm.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Jarek Poplawski , linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: Yannick Return-path: Received: from e32.co.us.ibm.com ([32.97.110.150]:33573 "EHLO e32.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755013AbYB2Q6I (ORCPT ); Fri, 29 Feb 2008 11:58:08 -0500 Content-Disposition: inline In-Reply-To: <47C7ABE3.6080004@axetic.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, Feb 29, 2008 at 07:53:23AM +0100, Yannick wrote: > (In reply to comment #20) > > Reply-To: paulmck@linux.vnet.ibm.com > > > > Would you be willing to try your test again after applying the > > patch in http://lkml.org/lkml/2008/2/2/11 and rebuilding your > > kernel? > > > > This patch does not appear to be in 2.6.25-rc3. :-( > > > > I am reposting this patch separately. > > > > Thanx, Paul > > Congratulations Paul and thanks a lot to Jarek , It works, > no more hang or slow boot : > [1.061675] Calling initcall 0xc03b8e10: inet_init+0x0/0x3ba() > [1.061895] NET: Registered protocol family 2 > [1.339007] IP route cache hash table entries: 32768 (order: 5, 131072 bytes) > [1.339470] TCP established hash table entries: 131072 (order: 8, 1048576 > bytes) > [1.340375] TCP bind hash table entries: 65536 (order: 9, 2359296 bytes) > [1.349809] TCP: Hash tables configured (established 131072 bind 65536) > [1.349906] TCP reno registered > [1.098514] initcall 0xc03b8e10: inet_init+0x0/0x3ba() returned 0. > [1.098604] initcall 0xc03b8e10 ran for 32 msecs: inet_init+0x0/0x3ba() Thank you very much for testing this, Yannick! Andrew and Ingo have this patch on track to merge into a later -rc of 2.6.25, so we will get there. ;-) Thanx, Paul