From: Marcin Slusarz Subject: Re: [Bug 11506] oops during unmount - ext3? (2.6.27-rc5) Date: Sun, 7 Sep 2008 13:27:45 +0200 Message-ID: <20080907112740.GA5530@joi> References: <20080904191356.GA7799@joi> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org, bugme-daemon@bugzilla.kernel.org To: LKML Return-path: Received: from fg-out-1718.google.com ([72.14.220.153]:54793 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753162AbYIGL2P (ORCPT ); Sun, 7 Sep 2008 07:28:15 -0400 Received: by fg-out-1718.google.com with SMTP id 19so1145829fgg.17 for ; Sun, 07 Sep 2008 04:28:13 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20080904191356.GA7799@joi> Sender: linux-ext4-owner@vger.kernel.org List-ID: Another one: * Deactivating swap * Unmounting filesystems general protection fault: 0000 [1] PREEMPT CPU 0 Modules linked in: af_packet usbhid tuner tea5767 tda8290 tuner_xc2028 xc5000 tda9887 tuner_simple tuner_types mt20xx tea5761 tda9875 uhci_hcd ehci_hcd usbcore bttv ir_common compat_ioctl32 ac97_bus videodev v4l1_compat v4l2_common videobuf_dma_sg videobuf_core btcx_risc tveeprom i2c_viapro soundcode [last unloaded: snd_page_alloc] Pid: 10420, comm: umount Not tainted 2.6.27-rc5 #362 RIP: 0010:[] [] journal_invalidatepage+0x4d/0x373 RSP: 0018:ffff88003c923c68 EFLAGS: 00010203 RAX: 0000000005200000 RBX: 1000c20d02020000 RCX: 000000000000003c RDX: 0000000000000002 RSI: ffff88000000ff30 RDI: ffff880001001340 RBP: ffff88003c923db8 R08: ffff88003c923cd8 R09: 0000000000000001 R10: ffff880035bc37b0 R11: ffff88003a0ca828 R12: 0000000000026358 R13: 0000000000000001 R14: ffff88003cddf4f8 R15: 0000000000000001 FS: 00007f2ce7744750(0000) GS:ffffffff80623200(0000) knlGS:00000000f74d56d0 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00000000015c70d0 CR3: 000000003cd0e000 CD4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process umount (pid: 10420, threadinfo ffff88003c922000, task ffff88003a8ca140) Stack: 0000000000000000 ffffe20000294098 1000c20d02020000 0520000000000001 ffff88000000ff30 ffffe20000294098 0000000000026358 0000000000000001 0000000000026358 ffff880035bc3798 ffff88003c923cc8 ffffffff802e2da7 Call Trace: [] ext3_invalidatepage+0x3c/0x3e [] do_invalidatepage+0x28/0x2a [] truncate_complete_page+0x2e/0x53 [] truncate_inode_pages_range+0xde/0x36b [] truncate_inode_pages+0x12/0x16 [] dispose_list+0x55/0x103 [] invalidate_inodes+0xe9/0x107 [] generic_shutdown_super+0x3f/0xfd [] kill_block_super+0x1a/0x2f [] ? deactivate_super+0x49/0x66 [] deactivate_super+0x51/0x66 [] mntput_no_expire+0xbf/0xf1 [] sys_umount+0x2ba/0x30b [] system_call_fastpath+0x16/0x1b Code: 8b 06 a8 01 75 04 0f 0b eb fe f6 c4 08 0f 84 2f 03 00 00 48 8b 45 b8 48 8b 40 10 c7 45 c8 01 00 00 00 48 89 45 d0 48 89 c3 31 c0 <8b> 53 20 01 c2 89 c0 48 39 45 b0 89 55 cc 48 9b 53 08 48 89 55 RIP [] journal_invalidatepage+0x4d/0x373 RSP ---[end trace fd08b13862f53eb2 ]--- I had to transcribe it from screenshots. (They are at: http://www.kadu.net/~joi/kernel/2008.09.07/ if you want to verify it) Output of decodecode: /tmp/tmp.bb6hqpz9LT.o: file format elf64-x86-64 Disassembly of section .text: 0000000000000000 <.text>: 0: 8b 06 mov (%rsi),%eax 2: a8 01 test $0x1,%al 4: 75 04 jne 0xa 6: 0f 0b ud2a 8: eb fe jmp 0x8 a: f6 c4 08 test $0x8,%ah d: 0f 84 2f 03 00 00 je 0x342 13: 48 8b 45 b8 mov -0x48(%rbp),%rax 17: 48 8b 40 10 mov 0x10(%rax),%rax 1b: c7 45 c8 01 00 00 00 movl $0x1,-0x38(%rbp) 22: 48 89 45 d0 mov %rax,-0x30(%rbp) 26: 48 89 c3 mov %rax,%rbx 29: 31 c0 xor %eax,%eax /tmp/tmp.bb6hqpz9LT.o: file format elf64-x86-64 Disassembly of section .text: 0000000000000000 <.text>: 0: 8b 53 20 mov 0x20(%rbx),%edx 3: 01 c2 add %eax,%edx 5: 89 c0 mov %eax,%eax 7: 48 39 45 b0 cmp %rax,-0x50(%rbp) b: 89 55 cc mov %edx,-0x34(%rbp) e: 48 rex.W f: 9b fwait 10: 53 push %rbx 11: 08 48 89 or %cl,-0x77(%rax) 14: 55 push %rbp