From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Tue, 14 Oct 2008 21:49:21 -0700 (PDT) Received: from relay.sgi.com (netops-testserver-3.corp.sgi.com [192.26.57.72]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id m9F4nISj032495 for ; Tue, 14 Oct 2008 21:49:18 -0700 Message-ID: <48F584B8.8060907@sgi.com> Date: Wed, 15 Oct 2008 15:50:48 +1000 From: Peter Leckie MIME-Version: 1.0 Subject: Re: crash with latest code drop. References: <48F54C20.8060704@sgi.com> <20081015011857.GS10716@disturbed> <20081015022948.GA20966@infradead.org> <20081015031645.GA25906@disturbed> <20081015032431.GA7426@infradead.org> <20081015035116.GB25906@disturbed> In-Reply-To: <20081015035116.GB25906@disturbed> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Dave Chinner , Peter Leckie , xfs@oss.sgi.com Dave Chinner wrote: > Update below. > > Cheers, > > Dave. > The original patch appeared to fix the issue, however the latest one Oops as follows: 177 553s ...BUG: unable to handle kernel NULL pointer dereference at 00000000000000e8 IP: [] is_bad_inode+0x2/0x11 PGD 7b0fe067 PUD 4c414067 PMD 0 Oops: 0000 [1] SMP Entering kdb (current=0xffff88007f15e190, pid 6915) on processor 1 Oops: due to oops @ 0xffffffff802a406e r15 = 0x0000000000000040 r14 = 0xffff88007e9ae608 r13 = 0x0000000000000000 r12 = 0x000000000000000a bp = 0xffff8800375a8d68 bx = 0x0000000000000000 r11 = 0x0000000000000001 r10 = 0x0000000000000085 r9 = 0xffff880057cd3dc0 r8 = 0xffff88007b0cddf0 ax = 0x0000000000000000 cx = 0x000000000000001b dx = 0x0000000000000084 si = 0xffff880057d0c248 di = 0x0000000000000000 orig_ax = 0xffffffffffffffff ip = 0xffffffff802a406e cs = 0x0000000000000010 flags = 0x0000000000010246 sp = 0xffff88007b0cde10 ss = 0x0000000000000018 ®s = 0xffff88007b0cdd78 [1]kdb> bt Stack traceback for pid 6915 0xffff88007f15e190 6915 6735 1 1 R 0xffff88007f15e4f8 *bulkstat_unlink sp ip Function (args) 0xffff88007b0cddf8 0xffffffff802a406e is_bad_inode+0x2 (0x0) 0xffff88007b0cde20 0xffffffffa01f3615 [xfs]xfs_sync_inodes_ag+0xe6 (0xffff88007e9ae608, invalid, invalid) 0xffff88007b0cde80 0xffffffffa01f3864 [xfs]xfs_sync_inodes+0x63 (0xffff88007e9ae608, invalid) 0xffff88007b0cdec0 0xffffffffa01f392a [xfs]xfs_quiesce_data+0x13 (0xffff88007e9ae608) 0xffff88007b0cdee0 0xffffffffa01f1800 [xfs]xfs_fs_sync_super+0x2b (0xffff88007b878730) 0xffff88007b0cdf40 0xffffffff80292fd2 sync_filesystems+0xae (invalid) 0xffff88007b0cdf60 0xffffffff802af48b do_sync+0x2f (0x1) 0xffff88007b0cdf70 0xffffffff802af4c4 sys_sync+0xe bb_special_case: Invalid bb_reg_state.memory, missing trailing entries bb_special_case: on transfer to int_with_check Assuming system_call_fastpath is 'pass through' with 6 register parameters kdb_bb: 0xffffffff8020be0b [kernel]system_call_fastpath failed at 0xffffffff8020be98 Using old style backtrace, unreliable with no arguments sp ip Function (args) 0xffff88007b0cddf8 0xffffffff802a406e is_bad_inode+0x2 0xffff88007b0cde20 0xffffffffa01f3615 [xfs]xfs_sync_inodes_ag+0xe6 0xffff88007b0cde80 0xffffffffa01f3864 [xfs]xfs_sync_inodes+0x63 0xffff88007b0cdec0 0xffffffffa01f392a [xfs]xfs_quiesce_data+0x13 0xffff88007b0cdec8 0xffffffff802452b9 autoremove_wake_function 0xffff88007b0cdee0 0xffffffffa01f1800 [xfs]xfs_fs_sync_super+0x2b 0xffff88007b0cdf00 0xffffffff8043b871 __down_read+0x12 0xffff88007b0cdf10 0xffffffffa024d395 [ext3]ext3_sync_fs+0x46 0xffff88007b0cdf40 0xffffffff80292fd2 sync_filesystems+0xae 0xffff88007b0cdf60 0xffffffff802af48b do_sync+0x2f 0xffff88007b0cdf70 0xffffffff802af4c4 sys_sync+0xe [1]kdb> id %ip 0xffffffff802a406e is_bad_inode+0x2: cmpq $0xffffffff8045ce20,0xe8(%rdi) 0xffffffff802a4079 is_bad_inode+0xd: sete %al 0xffffffff802a407c is_bad_inode+0x10: retq 0xffffffff802a407d make_bad_inode: push %rbx 0xffffffff802a407e make_bad_inode+0x1: mov %rdi,%rbx 0xffffffff802a4081 make_bad_inode+0x4: callq 0xffffffff802a25d5 remove_inode_hash 0xffffffff802a4086 make_bad_inode+0x9: mov 0xf8(%rbx),%rdi 0xffffffff802a408d make_bad_inode+0x10: movw $0x8000,0xb2(%rbx) 0xffffffff802a4096 make_bad_inode+0x19: callq 0xffffffff80237d6b current_fs_time 0xffffffff802a409b make_bad_inode+0x1e: movq $0xffffffff8045ce20,0xe8(%rbx) 0xffffffff802a40a6 make_bad_inode+0x29: mov %rax,0x90(%rbx) 0xffffffff802a40ad make_bad_inode+0x30: mov %rdx,0x98(%rbx) 0xffffffff802a40b4 make_bad_inode+0x37: mov %rax,0x80(%rbx) 0xffffffff802a40bb make_bad_inode+0x3e: mov %rdx,0x88(%rbx) 0xffffffff802a40c2 make_bad_inode+0x45: mov %rax,0x70(%rbx) 0xffffffff802a40c6 make_bad_inode+0x49: mov %rdx,0x78(%rbx) Thanks, Pete