Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932394AbYCDTUi (ORCPT ); Tue, 4 Mar 2008 14:20:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754213AbYCDTUY (ORCPT ); Tue, 4 Mar 2008 14:20:24 -0500 Received: from E23SMTP06.au.ibm.com ([202.81.18.175]:39897 "EHLO e23smtp06.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753666AbYCDTUW (ORCPT ); Tue, 4 Mar 2008 14:20:22 -0500 Message-ID: <47CDA0F1.9030908@linux.vnet.ibm.com> Date: Wed, 05 Mar 2008 00:50:17 +0530 From: Kamalesh Babulal User-Agent: Thunderbird 1.5.0.14pre (X11/20071023) MIME-Version: 1.0 To: Andrew Morton CC: linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, Andy Whitcroft , Balbir Singh Subject: [BUG] 2.6.25-rc3-mm1 kernel bug while running libhugetlbfs References: <20080304011928.e8c82c0c.akpm@linux-foundation.org> In-Reply-To: <20080304011928.e8c82c0c.akpm@linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2812 Lines: 66 Hi Andrew, kernel bug is triggered while running libhugetlbfs test with 2.6.25-rc3-mm1 kernel over the x86 and power machines. ------------[ cut here ]------------ kernel BUG at mm/hugetlb.c:295! invalid opcode: 0000 [#1] SMP last sysfs file: /sys/devices/system/node/possible Modules linked in: Pid: 5484, comm: counters Not tainted (2.6.25-rc3-mm1-autokern1 #1) EIP: 0060:[] EFLAGS: 00010202 CPU: 0 EIP is at alloc_buddy_huge_page+0x7a/0xb0 EAX: c13acd01 EBX: f7d3a000 ECX: 00000000 EDX: 00006363 ESI: 00000001 EDI: 00000000 EBP: 00000000 ESP: f5539ebc DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process counters (pid: 5484, ti=f5538000 task=f60afa20 task.ti=f5538000) Stack: 00000001 c1053669 fffffff4 00000001 f5539ecc f5539ecc 00000001 fffffff4 f55d0e78 00000001 c105480c 00000001 00200000 c1054875 00000000 f54426c0 00200000 00000000 f54426c0 c10b0fb8 fffffff4 00200000 00000000 f55d0e78 Call Trace: [] gather_surplus_pages+0x64/0x16d [] hugetlb_acct_memory+0x1e/0x4a [] hugetlb_reserve_pages+0x3d/0x6b [] hugetlbfs_file_mmap+0x9b/0xe1 [] mmap_region+0x1dc/0x3ae [] do_mmap_pgoff+0x27f/0x28e [] sys_mmap2+0x5a/0x78 [] syscall_call+0x7/0xb ======================= Code: c1 e8 ed 27 1c 00 85 db 74 41 83 7b 04 00 75 10 68 c0 93 27 c1 e8 02 92 fc ff 58 e8 c1 02 fb ff f0 ff 4b 04 0f 94 c0 84 c0 74 04 <0f> 0b eb fe c7 43 38 3e 33 05 c1 8b 03 c1 e8 1c ff 04 85 60 ce EIP: [] alloc_buddy_huge_page+0x7a/0xb0 SS:ESP 0068:f5539ebc ---[ end trace 5a47484f8fe93a33 ]--- ------------[ cut here ]------------ cpu 0x3: Vector: 700 (Program Check) at [c0000000fb277740] pc: c0000000000c6f54: .alloc_buddy_huge_page+0x120/0x1dc lr: c0000000000c6f20: .alloc_buddy_huge_page+0xec/0x1dc sp: c0000000fb2779c0 msr: 8000000000029032 current = 0xc0000000fc4cae90 paca = 0xc0000000004fae80 pid = 6828, comm = counters kernel BUG at mm/hugetlb.c:295! enter ? for help [c0000000fb277a50] c0000000000c70e8 .hugetlb_acct_memory+0xd8/0x374 [c0000000fb277b10] c0000000000c769c .hugetlb_reserve_pages+0x184/0x2b0 [c0000000fb277bc0] c00000000018c950 .hugetlbfs_file_mmap+0xec/0x160 [c0000000fb277c70] c0000000000bc280 .mmap_region+0x254/0x4d4 [c0000000fb277d80] c00000000000b1b8 .sys_mmap+0xa4/0x104 [c0000000fb277e30] c00000000000872c syscall_exit+0x0/0x40 --- Exception: c01 (System Call) at 000004000019e528 SP (fffffcd4eb0) is in userspace 3:mon> -- 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/