Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753307Ab0GIHeT (ORCPT ); Fri, 9 Jul 2010 03:34:19 -0400 Received: from 0122700014.0.fullrate.dk ([95.166.99.235]:51878 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752690Ab0GIHeS (ORCPT ); Fri, 9 Jul 2010 03:34:18 -0400 Message-ID: <4C36D0F8.7070303@fusionio.com> Date: Fri, 09 Jul 2010 09:34:16 +0200 From: Jens Axboe MIME-Version: 1.0 To: divya CC: "maciej.rutecki@gmail.com" , "linuxppc-dev@ozlabs.org" , LKML , Ron Minnich , Latchesar Ionkov , "hch@lst.de" , Alexander Viro , Nick Piggin Subject: Re: Oops while running fs_racer test on a POWER6 box against latest git References: <4C2B28F3.7000006@linux.vnet.ibm.com> <201007012025.30452.maciej.rutecki@gmail.com> <4C2D8B63.2030500@linux.vnet.ibm.com> <4C36C876.9090404@linux.vnet.ibm.com> In-Reply-To: <4C36C876.9090404@linux.vnet.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4243 Lines: 106 On 2010-07-09 08:57, divya wrote: > On Friday 02 July 2010 12:16 PM, divya wrote: >> On Thursday 01 July 2010 11:55 PM, Maciej Rutecki wrote: >>> On środa, 30 czerwca 2010 o 13:22:27 divya wrote: >>>> While running fs_racer test from LTP on a POWER6 box against latest >>>> git(2.6.35-rc3-git4 - commitid 984bc9601f64fd) came across the >>>> following >>>> warning followed by multiple oops. >>>> >>> I created a Bugzilla entry at >>> https://bugzilla.kernel.org/show_bug.cgi?id=16324 >>> for your bug report, please add your address to the CC list in there, >>> thanks! >>> >>> >> Here I find a cleaner back trace while running fs_racer test from LTP >> on a POWER6 >> box against the latest git(2.6.35-rc3-git5 - commitid 980019d74e4b242) >> >> Badness at kernel/mutex-debug.c:64 >> BUG: key (null) not in .data! >> NIP: c0000000000be9e8 LR: c0000000000be9cc CTR: 0000000000000000 >> REGS: c00000010bb176f0 TRAP: 0700 Not tainted >> (2.6.35-rc3-git5-autotest) >> BUG: key 00000000000001d8 not in .data! >> BUG: key 00000000000001e0 not in .data! >> BUG: key 00000000000001e8 not in .data! >> MSR: 8000000000029032 >> Unable to handle kernel paging request for data at address 0x00000028 >> Faulting instruction address: 0xc0000000003ad0ec >> Oops: Kernel access of bad area, sig: 11 [#1] >> SMP NR_CPUS=1024 NUMA pSeries >> last sysfs file: >> /sys/devices/system/cpu/cpu19/cache/index1/shared_cpu_map >> Page fault in user mode with in_atomic() = 1 mm = c00000010943e600 >> Modules linked in: >> NIP = fff9e98fc40 MSR = 800000004001d032 >> ipv6 fuse loop >> Unable to handle kernel paging request for unknown fault >> dm_mod >> Faulting instruction address: 0xc00000000008d0f4 >> sr_mod ibmveth cdrom sg sd_mod crc_t10dif ibmvscsic >> scsi_transport_srp scsi_tgt scsi_mod >> NIP: c0000000003ad0ec LR: c00000000064c3b0 CTR: c0000000003a6eb0 >> REGS: c000000109b4f610 TRAP: 0300 Not tainted >> (2.6.35-rc3-git5-autotest) >> MSR: 8000000000009032 CR: 88004484 XER: 00000001 >> DAR: 0000000000000028, DSISR: 0000000040010000 >> TASK = c000000109a98600[7403] 'mkdir' THREAD: c000000109b4c000 CPU: 19 >> GPR00: 0000000080000013 c000000109b4f890 c000000000d3d798 >> 0000000000000028 >> GPR04: 0000000000000000 0000000000000000 0000000000000000 >> 0000000000000001 >> GPR08: 0000000000000000 0000000000000028 c000000000189f2c >> c000000109a98600 >> GPR12: 0000000024004424 c00000000f602f80 00000000000041ff >> 0000000000000001 >> GPR16: 0000000000000002 c00000010d8304c0 c000000109b4fb44 >> 0000000000000000 >> GPR20: c00000010df77908 fffffffffffff000 0000000000010000 >> 00000000000041ff >> GPR24: c00000010df77758 c000000109fa1800 c00000010df77908 >> c0000000ff236600 >> GPR28: 0000000000000028 0000000000000040 c000000000ca7b38 >> c000000000189f2c >> NIP [c0000000003ad0ec] .do_raw_spin_trylock+0x10/0x48 >> LR [c00000000064c3b0] ._raw_spin_lock+0x50/0xa4 >> Call Trace: >> [c000000109b4f890] [c00000000064c3a4] ._raw_spin_lock+0x44/0xa4 >> (unreliable) >> [c000000109b4f920] [c000000000189f2c] .new_inode+0x4c/0xe4 >> [c000000109b4f9b0] [c0000000002257fc] .ext3_new_inode+0x84/0xb70 >> [c000000109b4fad0] [c00000000022f1ec] .ext3_mkdir+0x130/0x438 >> [c000000109b4fbe0] [c00000000017adb4] .vfs_mkdir+0xb8/0x160 >> [c000000109b4fc80] [c00000000017e52c] .SyS_mkdirat+0xb0/0x114 >> [c000000109b4fdc0] [c00000000017a730] .SyS_mkdir+0x1c/0x30 >> [c000000109b4fe30] [c0000000000085b4] syscall_exit+0x0/0x40 >> Instruction dump: >> eb41ffd0 7c0803a6 eb61ffd8 eb81ffe0 eba1ffe8 ebc1fff0 ebe1fff8 4e800020 >> 38000000 7c691b78 980d0214 800d0008<7d601829> 2c0b0000 40c20010 7c00192d >> Oops: Weird page fault, sig: 11 [#2] >> >> Pls let me know if this back trace would help in analyzing further. >> Meanwhile I shall do a git bisect and send the inputs. >> >> Thanks >> Divya >> >> >> > Hi All, > > From the git bisect,seems like the commit > 57439f878afafefad8836ebf5c49da2a0a746105 is the corrupt for the above > issue. CC'ing Nick and Al. -- Jens Axboe -- 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/