From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264900AbUFXTC5 (ORCPT ); Thu, 24 Jun 2004 15:02:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264788AbUFXTCf (ORCPT ); Thu, 24 Jun 2004 15:02:35 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.104]:237 "EHLO e4.ny.us.ibm.com") by vger.kernel.org with ESMTP id S264808AbUFXTCJ (ORCPT ); Thu, 24 Jun 2004 15:02:09 -0400 Date: Thu, 24 Jun 2004 12:01:44 -0700 From: "Martin J. Bligh" To: Andrew Morton cc: linux-kernel Subject: Re: 2.6.7-mm2 oopses and badness Message-ID: <27420000.1088103704@flay> In-Reply-To: <1968860000.1088089370@[10.10.2.4]> References: <1968860000.1088089370@[10.10.2.4]> X-Mailer: Mulberry/2.1.2 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > During bootup, shortly after CPU init (mm1 was fine): > > Only candidate I can see is > +reduce-tlb-flushing-during-process-migration-2.patch > Will try backing that out unless you want something else ... Looks like that's ia64 only ;-( But the oops seems like we're just calling flush_tlb_mm with a NULL mm. > Jun 24 06:54:24 larry kernel: c010e98b > Jun 24 06:54:24 larry kernel: SMP > Jun 24 06:54:24 larry kernel: c010e98b > Jun 24 06:54:24 larry kernel: Modules linked in: > Jun 24 06:54:24 larry kernel: CPU: 12 > Jun 24 06:54:24 larry kernel: EIP: 0060:[flush_tlb_mm+7/120] Not tainted VLI > Jun 24 06:54:24 larry kernel: EFLAGS: 00010292 (2.6.7-mm2) > Jun 24 06:54:24 larry kernel: EIP is at flush_tlb_mm+0x7/0x78 > Jun 24 06:54:24 larry kernel: eax: 00000000 ebx: f124bfa8 ecx: 00000000 ed > x: f124bf94 > Jun 24 06:54:24 larry kernel: esi: c30d3be0 edi: 00000000 ebp: f124bf9c esp: f124bf4c > Jun 24 06:54:24 larry kernel: ds: 007b es: 007b ss: 0068 > Jun 24 06:54:24 larry kernel: Process kswapd3 (pid: 72, threadinfo=f124a000 task=f1247390) > Jun 24 06:54:24 larry kernel: Stack: 00200200 c01159e1 00000000 f1247390 f124bfdc f124bff0 f124bfa8 c02bcc40 > Jun 24 06:54:24 larry kernel: 00000000 00000282 f124bf74 f124bf74 00000000 f1247390 0000000c f124a000 > Jun 24 06:54:24 larry kernel: 00000000 00000001 f124bf94 f124bf94 f1a00000 c0138bca f1247390 0000f000 > Jun 24 06:54:24 larry kernel: Call Trace: > Jun 24 06:54:24 larry kernel: [set_cpus_allowed+225/252] set_cpus_allowed+0xe1/0xfc > Jun 24 06:54:24 larry kernel: [kswapd+142/224] kswapd+0x8e/0xe0 > Jun 24 06:54:24 larry kernel: [kswapd+0/224] kswapd+0x0/0xe0 > Jun 24 06:54:24 larry kernel: [autoremove_wake_function+0/64] autoremove_wake_function+0x0/0x40 > Jun 24 06:54:24 larry kernel: [autoremove_wake_function+0/64] autoremove_wake_function+0x0/0x40 > Jun 24 06:54:24 larry kernel: [kernel_thread_helper+5/12] kernel_thread_helper+0x5/0xc > Jun 24 06:54:24 larry kernel: Code: 0f 20 d8 0f 22 d8 8b 04 24 85 c0 74 13 6a ff 51 50 e8 0a ff ff ff 83 c4 0c 8d b4 26 00 00 00 00 59 c3 89 f6 83 ec > 04 8b 4c 24 08 <8b> 81 24 01 00 00 ba 00 e0 ff ff 21 e2 89 04 24 8b 42 10 f0 0f