Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262024AbVDLFZg (ORCPT ); Tue, 12 Apr 2005 01:25:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262023AbVDLFYt (ORCPT ); Tue, 12 Apr 2005 01:24:49 -0400 Received: from smtp.blackdown.de ([213.239.206.42]:38283 "EHLO smtp.blackdown.de") by vger.kernel.org with ESMTP id S262024AbVDLEma (ORCPT ); Tue, 12 Apr 2005 00:42:30 -0400 From: Juergen Kreileder To: Benjamin Herrenschmidt Cc: Andrew Morton , Linux Kernel list Subject: Re: 2.6.12-rc2-mm3 References: <20050411012532.58593bc1.akpm@osdl.org> <87wtr8rdvu.fsf@blackdown.de> <1113276365.5387.39.camel@gaston> X-PGP-Key: http://blackhole.pca.dfn.de:11371/pks/lookup?op=get&search=0x730A28A5 X-PGP-Fingerprint: 7C19 D069 9ED5 DC2E 1B10 9859 C027 8D5B 730A 28A5 Mail-Followup-To: Benjamin Herrenschmidt , Andrew Morton , Linux Kernel list Date: Tue, 12 Apr 2005 06:42:22 +0200 In-Reply-To: <1113276365.5387.39.camel@gaston> (Benjamin Herrenschmidt's message of "Tue, 12 Apr 2005 13:26:05 +1000") Message-ID: <87u0mc8v2p.fsf@blackdown.de> Organization: Blackdown Java-Linux Team User-Agent: Gnus/5.110003 (No Gnus v0.3) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4550 Lines: 96 Benjamin Herrenschmidt writes: > On Tue, 2005-04-12 at 03:18 +0200, Juergen Kreileder wrote: >> Andrew Morton writes: >> >>> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.12-rc2/2.6.12-rc2-mm3/ >> >> I'm getting frequent lockups on my PowerMac G5 with rc2-mm3. >> >> 2.6.11-mm4 works fine but all 2.6.12 versions I've tried (all since >> -rc1-mm3) lock up randomly. The easiest way to reproduce the >> problem seems to be running Azareus. So it might be network >> related, but I'm not 100% sure about that, there was a least one >> deadlock with virtually no network usage. > > Hrm... I just noticed you have CONFIG_PREEMPT enabled... Can you > test without it and let me know if it makes a difference ? IIRC I had disabled that for rc2-mm2 and it didn't make a difference. I'll disable it again when I try older versions. I just got another crash with rc2-mm3. The crash was a bit different this time, I still could move the mouse pointer and the logs contained some info: Badness in slb_flush_and_rebolt at arch/ppc64/mm/slb.c:52 [c00000017690b860] [0000000000069a73] 0x69a73 (unreliable) [c00000017690b900] [c00000000003b300] .__schedule_tail+0x9c/0x1b4 [c00000017690b9a0] [c0000000003162b0] .schedule+0x324/0x610 [c00000017690ba80] [c0000000003177e8] .schedule_timeout+0xfc/0x104 [c00000017690bb60] [c0000000000b6118] .do_select+0x278/0x4c4 [c00000017690bcb0] [c0000000000d6f4c] .compat_sys_select+0x390/0x690 [c00000017690bdc0] [c000000000019eb8] .ppc32_select+0x14/0x28 [c00000017690be30] [c00000000000da00] syscall_exit+0x0/0x18 Badness in slb_flush_and_rebolt at arch/ppc64/mm/slb.c:52 Call Trace: [c00000016fe23860] [0000000000000413] 0x413 (unreliable) [c00000016fe23900] [c00000000003b300] .__schedule_tail+0x9c/0x1b4 [c00000016fe239a0] [c0000000003162b0] .schedule+0x324/0x610 [c00000016fe23a80] [c000000000317774] .schedule_timeout+0x88/0x104 [c00000016fe23b60] [c0000000000b6118] .do_select+0x278/0x4c4 [c00000016fe23cb0] [c0000000000d6f4c] .compat_sys_select+0x390/0x690 [c00000016fe23dc0] [c000000000019eb8] .ppc32_select+0x14/0x28 [c00000016fe23e30] [c00000000000da00] syscall_exit+0x0/0x18 Badness in slb_flush_and_rebolt at arch/ppc64/mm/slb.c:52 Call Trace: [c000000175d2b860] [0000000000000163] 0x163 (unreliable) [c000000175d2b900] [c00000000003b300] .__schedule_tail+0x9c/0x1b4 [c000000175d2b9a0] [c0000000003162b0] .schedule+0x324/0x610 [c000000175d2ba80] [c000000000317774] .schedule_timeout+0x88/0x104 [c000000175d2bb60] [c0000000000b6118] .do_select+0x278/0x4c4 [c000000175d2bcb0] [c0000000000d6f4c] .compat_sys_select+0x390/0x690 [c000000175d2bdc0] [c000000000019eb8] .ppc32_select+0x14/0x28 [c000000175d2be30] [c00000000000da00] syscall_exit+0x0/0x18 Badness in slb_flush_and_rebolt at arch/ppc64/mm/slb.c:52 Call Trace: [c000000178a17860] [0000000000000eb1] 0xeb1 (unreliable) [c000000178a17900] [c00000000003b300] .__schedule_tail+0x9c/0x1b4 [c000000178a179a0] [c0000000003162b0] .schedule+0x324/0x610 [c000000178a17a80] [c000000000317774] .schedule_timeout+0x88/0x104 [c000000178a17b60] [c0000000000b6118] .do_select+0x278/0x4c4 [c000000178a17cb0] [c0000000000d6f4c] .compat_sys_select+0x390/0x690 [c000000178a17dc0] [c000000000019eb8] .ppc32_select+0x14/0x28 [c000000178a17e30] [c00000000000da00] syscall_exit+0x0/0x18 Badness in slb_flush_and_rebolt at arch/ppc64/mm/slb.c:52 Call Trace: [c0000001767fba10] [0000000000001bca] 0x1bca (unreliable) and so on until the machine switched into jet-fighter mode after: [c00000016f887a10] [000000000001fc8c] 0x1fc8c (unreliable) [c00000016f887ab0] [c00000000003b300] .__schedule_tail+0x9c/0x1b4 [c00000016f887b50] [c0000000003162b0] .schedule+0x324/0x610 [c00000016f887c30] [c000000000317774] .schedule_timeout+0x88/0x104 [c00000016f887d10] [c0000000000b6bb4] .sys_poll+0x3b8/0x4dc [c00000016f887e30] [c00000000000da00] syscall_exit+0x0/0x18 Oops: Machine check, sig: 0 [#1] Machine info: * PowerMac7,2 with 2x 2GHz * 4GB RAM * 2 disks with ext3 partitions on top of LVM2 * Radeon 9800Pro with radeonfb and X (from Debian sid) at 1600x1200 * USB Mouse via evdev * Bluetooth enabled but unused * Firewire disabled * No PCI cards * Kernel compiled with gcc-3.4.2 Juergen -- Juergen Kreileder, Blackdown Java-Linux Team http://blog.blackdown.de/ - 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/