From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269715AbUJHIHB (ORCPT ); Fri, 8 Oct 2004 04:07:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269745AbUJHIHB (ORCPT ); Fri, 8 Oct 2004 04:07:01 -0400 Received: from gate.crashing.org ([63.228.1.57]:63398 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S269715AbUJHIGv (ORCPT ); Fri, 8 Oct 2004 04:06:51 -0400 Subject: Re: 2.6.9-rc3-mm3 BUG() in flush_tlb_pending() on ppc64 From: Benjamin Herrenschmidt To: Badari Pulavarty Cc: Linux Kernel list , Andrew Morton In-Reply-To: <1097187487.12861.308.camel@dyn318077bld.beaverton.ibm.com> References: <1097187487.12861.308.camel@dyn318077bld.beaverton.ibm.com> Content-Type: text/plain Message-Id: <1097222359.32157.123.camel@gaston> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Fri, 08 Oct 2004 17:59:19 +1000 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2004-10-08 at 08:18, Badari Pulavarty wrote: > Hi, > > I get following assert while booting 2.6.9-rc3-mm3 on p3 machine. > Any fixes ? Looks like we triggered BUG_ON(in_interrupt()) from switch_to() ... rather bad .. Ben. > Thanks, > Badari > > > scanning pci: *..kernel BUG in __flush_tlb_pending at > arch/ppc64/mm/tlb.c:125! > Oops: Exception in kernel mode, sig: 5 [#1] > SMP NR_CPUS=128 NUMA PSERIES > NIP: C00000000003E39C XER: 0000000020000000 LR: C000000000014DF8 > REGS: c00000000f0c3550 TRAP: 0700 Not tainted (2.6.9-rc3-mm3) > MSR: a000000000023032 EE: 0 PR: 0 FP: 1 ME: 1 IR/DR: 11 > TASK: c00000013e983030[1401] 'pci.agent' THREAD: c00000000f0c0000 CPU: 0 > GPR00: 0000000004000000 C00000000F0C37D0 C0000000005D2D98 > C0000000006DF1A0 > GPR04: C00000003F557030 0000000BC8479B69 C0000000005D1008 > C0000000004593B0 > GPR08: 0000000000288000 C00000000F0C0000 C0000000005D1008 > 000000000000003A > GPR12: 0000000028224482 C0000000004B9900 C00000013E9832D0 > 000001C0E7B672A0 > GPR16: C0000000005D1008 0000000000B735C0 0000000000000000 > C00000000FD85280 > GPR20: C0000000006E2E88 C00000000F0C3990 C00000003F557030 > C0000000006E1C38 > GPR24: C000000006325FFC C00000013E983030 00000000F2592693 > C00000003F557030 > GPR28: 0000000000002AF0 C00000013E983030 0000000000000000 > C0000000006DF1A0 > NIP [c00000000003e39c] .__flush_tlb_pending+0x38/0x150 > LR [c000000000014df8] .__switch_to+0xb4/0xd8 > Call Trace: > [c00000000f0c37d0] [00000000f7fad210] 0xf7fad210 (unreliable) > [c00000000f0c3890] [c000000000014df8] .__switch_to+0xb4/0xd8 > [c00000000f0c3920] [c00000000039b184] .schedule+0x38c/0xc3c > [c00000000f0c3a40] [c00000000039bbd0] .cond_resched+0x4c/0x80 > [c00000000f0c3ac0] [c00000000009696c] .copy_page_range+0x29c/0x61c > [c00000000f0c3bd0] [c00000000004f990] .copy_process+0x8c0/0x148c > [c00000000f0c3ce0] [c0000000000505fc] .do_fork+0xa0/0x25c > [c00000000f0c3dc0] [c0000000000146d8] .sys_clone+0x5c/0x74 > [c00000000f0c3e30] [c000000000010288] .ppc_clone+0x8/0xc > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Benjamin Herrenschmidt