Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750813AbWHaFtL (ORCPT ); Thu, 31 Aug 2006 01:49:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750817AbWHaFtL (ORCPT ); Thu, 31 Aug 2006 01:49:11 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.144]:8100 "EHLO e4.ny.us.ibm.com") by vger.kernel.org with ESMTP id S1750813AbWHaFtJ (ORCPT ); Thu, 31 Aug 2006 01:49:09 -0400 Message-ID: <44F67847.6030307@cn.ibm.com> Date: Thu, 31 Aug 2006 13:48:55 +0800 From: Yao Fei Zhu Reply-To: walkinair@cn.ibm.com Organization: IBM User-Agent: Mozilla Thunderbird 1.0 (Windows/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: haveblue@us.ibm.com, xfs@oss.sgi.com Subject: kernel BUG in __xfs_get_blocks at fs/xfs/linux-2.6/xfs_aops.c:1293! Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5309 Lines: 127 Problem description: Run fsstress on xfs file system with -n 1000 and -p 1000, after about 3 hours, test box will fall into xmon, and get kernel BUG in __xfs_get_blocks at fs/xfs/linux-2.6/xfs_aops.c:1293! Hardware Environment Machine type (p650, x235, SF2, etc.): B70+ Cpu type (Power4, Power5, IA-64, etc.): POWER5+ Software Environmnet Base OS: SLES10 GM Kernel: 2.6.18-rc5 Additional information: 3:mon> e cpu 0x3: Vector: 700 (Program Check) at [c0000001e16632d0] pc: d0000000006daa88: .__xfs_get_blocks+0x1a0/0x2a0 [xfs] lr: d0000000006da984: .__xfs_get_blocks+0x9c/0x2a0 [xfs] sp: c0000001e1663550 msr: 8000000000029032 current = 0xc0000001dde71310 paca = 0xc0000000004c4900 pid = 9217, comm = fsstress kernel BUG in __xfs_get_blocks at fs/xfs/linux-2.6/xfs_aops.c:1293! 3:mon> t [c0000001e1663640] c000000000108344 .__blockdev_direct_IO+0x560/0xcfc [c0000001e1663760] d0000000006dc43c .xfs_vm_direct_IO+0xec/0x13c [xfs] [c0000001e1663860] c0000000000a1474 .generic_file_direct_IO+0xe8/0x15c [c0000001e1663910] c0000000000a1748 .__generic_file_aio_read+0xf4/0x22c [c0000001e16639e0] d0000000006e4b94 .xfs_read+0x288/0x368 [xfs] [c0000001e1663ae0] d0000000006e0750 .xfs_file_aio_read+0x88/0x9c [xfs] [c0000001e1663b70] c0000000000d4df0 .do_sync_read+0xd4/0x130 [c0000001e1663cf0] c0000000000d5c44 .vfs_read+0x118/0x200 [c0000001e1663d90] c0000000000d6128 .sys_read+0x4c/0x8c [c0000001e1663e30] c00000000000871c syscall_exit+0x0/0x40 --- Exception: c01 (System Call) at 000000000ff4ddf8 SP (fc38ec90) is in userspace 3:mon> r R00 = 0000000000000004 R16 = 0000000000000003 R01 = c0000001e1663550 R17 = 0000000000020000 R02 = d000000000727dc0 R18 = c0000001adf18e90 R03 = 0000000000000000 R19 = 000000000000000c R04 = 0000000000000001 R20 = c0000001e1663b50 R05 = c0000001e1663610 R21 = 0000000000000000 R06 = c0000001e1663620 R22 = c0000001d99cfe88 R07 = ffffffffffffffff R23 = 000000000000000c R08 = 0000000000000000 R24 = 0000000000000000 R09 = 0000000000000001 R25 = 0000000000000001 R10 = c00000003173f630 R26 = 000000000010c000 R11 = 0000000000000000 R27 = c0000001adf18e90 R12 = d0000000006e8a78 R28 = 0000000000044000 R13 = c0000000004c4900 R29 = c0000001e16635c8 R14 = c0000001e1663be0 R30 = c000000000517378 R15 = 0000000000000000 R31 = c0000001d99cfbf0 pc = d0000000006daa88 .__xfs_get_blocks+0x1a0/0x2a0 [xfs] lr = d0000000006da984 .__xfs_get_blocks+0x9c/0x2a0 [xfs] msr = 8000000000029032 cr = 42000422 ctr = c00000000007d12c xer = 0000000020000001 trap = 700 3:mon> di d0000000006daa88 d0000000006daa88 0b190000 tdnei r25,0 d0000000006daa8c 2fb80000 cmpdi cr7,r24,0 d0000000006daa90 419e004c beq cr7,d0000000006daadc # .__xfs_get_blocks+0x1f4/0x2a0 [xfs] d0000000006daa94 38000001 li r0,1 d0000000006daa98 7d20f8a8 ldarx r9,r0,r31 d0000000006daa9c 7d290378 or r9,r9,r0 d0000000006daaa0 7d20f9ad stdcx. r9,r0,r31 d0000000006daaa4 40a2fff4 bne d0000000006daa98 # .__xfs_get_blocks+0x1b0/0x2a0 [xfs] d0000000006daaa8 38000020 li r0,32 d0000000006daaac 60000000 nop d0000000006daab0 7d20f8a8 ldarx r9,r0,r31 d0000000006daab4 7d290378 or r9,r9,r0 d0000000006daab8 7d20f9ad stdcx. r9,r0,r31 d0000000006daabc 40a2fff4 bne d0000000006daab0 # .__xfs_get_blocks+0x1c8/0x2a0 [xfs] d0000000006daac0 38000200 li r0,512 d0000000006daac4 60000000 nop 3:mon> mi Mem-info: Node 0 DMA per-cpu: cpu 0 hot: high 6, batch 1 used:5 cpu 0 cold: high 2, batch 1 used:0 cpu 1 hot: high 6, batch 1 used:5 cpu 1 cold: high 2, batch 1 used:0 cpu 2 hot: high 6, batch 1 used:0 cpu 2 cold: high 2, batch 1 used:0 cpu 3 hot: high 6, batch 1 used:0 cpu 3 cold: high 2, batch 1 used:0 Node 0 DMA32 per-cpu: empty Node 0 Normal per-cpu: empty Node 0 HighMem per-cpu: empty Free pages: 36288kB (0kB HighMem) Active:25944 inactive:88655 dirty:13 writeback:11 unstable:0 free:567 slab:9664 mapped:468 pagetables:3094 Node 0 DMA free:36288kB min:11584kB low:14464kB high:17344kB active:1660416kB inactive:5673920kB present:8388608kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 Node 0 DMA32 free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 Node 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 Node 0 HighMem free:0kB min:2048kB low:2048kB high:2048kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 73*64kB 109*128kB 15*256kB 3*512kB 0*1024kB 2*2048kB 0*4096kB 1*8192kB 0*16384kB = 36288kB Node 0 DMA32: empty Node 0 Normal: empty Node 0 HighMem: empty Swap cache: add 3054, delete 29, find 2/4, race 0+0 Free swap = 3932928kB Total swap = 4127296kB Free swap: 3932928kB 131072 pages of RAM 601 reserved pages 107626 pages shared 3025 pages swap cached 3:mon> - 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/