Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759285AbYBPGKx (ORCPT ); Sat, 16 Feb 2008 01:10:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751785AbYBPGKq (ORCPT ); Sat, 16 Feb 2008 01:10:46 -0500 Received: from e28smtp05.in.ibm.com ([59.145.155.5]:40773 "EHLO e28esmtp05.in.ibm.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751860AbYBPGKo (ORCPT ); Sat, 16 Feb 2008 01:10:44 -0500 Message-ID: <47B67E5E.4010001@linux.vnet.ibm.com> Date: Sat, 16 Feb 2008 11:40:38 +0530 From: Kamalesh Babulal User-Agent: Thunderbird 1.5.0.14pre (X11/20071023) MIME-Version: 1.0 To: Linux Kernel Mailing List CC: linuxppc-dev@ozlabs.org, Ingo Molnar , Jens Axboe , Srivatsa Vaddagiri , Dhaval Giani , Andy Whitcroft , Balbir Singh Subject: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3422 Lines: 64 Hi, The softlockup is seen from 2.6.25-rc1-git{1,3} and is visible in the 2.6.24-rc2 kernel, While booting up with the 2.6.25-rc1-git{1,3} and 2.6.25-rc2 kernel(s) on the powerbox Loading st.ko module BUG: soft lockup - CPU#1 stuck for 61s! [insmod:379] NIP: c0000000001b0620 LR: c0000000001a5dcc CTR: 0000000000000040 REGS: c00000077caab8a0 TRAP: 0901 Not tainted (2.6.25-rc2-autotest) MSR: 8000000000009032 CR: 84004088 XER: 20000000 TASK = c00000077cb450a0[379] 'insmod' THREAD: c00000077caa8000 CPU: 1 GPR00: c00000077c9d4000 c00000077caabb20 c000000000538a40 000000000000000b GPR04: ffc0000000000000 c00000077e0c0000 0000000000000036 000000000000000a GPR08: 0040000000000000 c00000077c9d4250 c000000000000000 0000000000000000 GPR12: c00000077c9d4230 c000000000481d00 NIP [c0000000001b0620] .radix_tree_gang_lookup+0x100/0x1e4 LR [c0000000001a5dcc] .call_for_each_cic+0x50/0x10c Call Trace: [c00000077caabb20] [c0000000001a5e2c] .call_for_each_cic+0xb0/0x10c (unreliable) [c00000077caabc60] [c00000000019dba4] .exit_io_context+0xf0/0x110 [c00000077caabcf0] [c000000000061e38] .do_exit+0x820/0x850 [c00000077caabda0] [c000000000061f34] .do_group_exit+0xcc/0xe8 [c00000077caabe30] [c00000000000872c] syscall_exit+0x0/0x40 Instruction dump: 7d296214 39290018 e8090000 7caa2038 39290008 2fa00000 409e0018 7caa4215 396b0001 418200cc 424000b8 4bffffdc <79691f24> 7d296214 e9690018 2fab0000 INFO: task insmod:387 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. insmod D 000000001000e144 12144 387 1 Call Trace: [c00000077cb97600] [c0000000008fae80] 0xc0000000008fae80 (unreliable) [c00000077cb977d0] [c000000000010c7c] .__switch_to+0x11c/0x154 [c00000077cb97860] [c000000000344498] .schedule+0x5d0/0x6b0 [c00000077cb97950] [c0000000003447d8] .schedule_timeout+0x3c/0xe8 [c00000077cb97a20] [c000000000343d34] .wait_for_common+0x150/0x22c [c00000077cb97ae0] [c00000000008ef00] .__stop_machine_run+0xbc/0xf0 [c00000077cb97bb0] [c00000000008ef70] .stop_machine_run+0x3c/0x80 [c00000077cb97c50] [c0000000000891f0] .sys_init_module+0x14e4/0x1af4 [c00000077cb97e30] [c00000000000872c] syscall_exit+0x0/0x40 -- 0:conmux-control -- time-stamp -- Feb/15/08 16:04:12 -- INFO: task insmod:387 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. insmod D 000000001000e144 12144 387 1 Call Trace: [c00000077cb97600] [c0000000008fae80] 0xc0000000008fae80 (unreliable) [c00000077cb977d0] [c000000000010c7c] .__switch_to+0x11c/0x154 [c00000077cb97860] [c000000000344498] .schedule+0x5d0/0x6b0 [c00000077cb97950] [c0000000003447d8] .schedule_timeout+0x3c/0xe8 [c00000077cb97a20] [c000000000343d34] .wait_for_common+0x150/0x22c [c00000077cb97ae0] [c00000000008ef00] .__stop_machine_run+0xbc/0xf0 [c00000077cb97bb0] [c00000000008ef70] .stop_machine_run+0x3c/0x80 [c00000077cb97c50] [c0000000000891f0] .sys_init_module+0x14e4/0x1af4 [c00000077cb97e30] [c00000000000872c] syscall_exit+0x0/0x40 -- 0:conmux-control -- time-stamp -- Feb/15/08 16:06:21 -- -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL. -- 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/