From: Mariusz Bialonczyk Subject: Strange bug Date: Sat, 13 Nov 2010 09:18:39 +0000 (UTC) Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: linux-ext4@vger.kernel.org Return-path: Received: from lo.gmane.org ([80.91.229.12]:52737 "EHLO lo.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755279Ab0KMJZL (ORCPT ); Sat, 13 Nov 2010 04:25:11 -0500 Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1PHCM4-0004tT-Sx for linux-ext4@vger.kernel.org; Sat, 13 Nov 2010 10:25:04 +0100 Received: from skyboo.net ([82.160.134.4]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 13 Nov 2010 10:25:04 +0100 Received: from manio by skyboo.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 13 Nov 2010 10:25:04 +0100 Sender: linux-ext4-owner@vger.kernel.org List-ID: Hello I'd like to share the bug report which i had on yesterday's git kernel. After some time of normal work i've suddenly got this: Nov 12 23:19:34 draco kernel: [ 997.220385] ------------[ cut here ]------------ Nov 12 23:19:34 draco kernel: [ 997.220452] kernel BUG at fs/ext4/page- io.c:146! Nov 12 23:19:34 draco kernel: [ 997.220513] invalid opcode: 0000 [#1] SMP Nov 12 23:19:34 draco kernel: [ 997.220559] last sysfs file: /sys/devices/ platform/it87.656/fan1_input Nov 12 23:19:34 draco kernel: [ 997.220559] CPU 0 Nov 12 23:19:34 draco kernel: [ 997.220559] Modules linked in: nvidia(P) nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipt_REDIRECT ipt_REJECT xt_limit xt_state xt_mark xt_tcpudp iptable_mangle ipt able_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables x_tables tun ipv6 it87 hwmon_vid w1_therm snd_pcm_oss snd_mixer_oss nf_conntrack_ftp nf_conntrack loop cx88_dvb videobuf_dvb stb6100 dvb_c ore stv0900 tuner tea5767 tda8290 tuner_xc2028 xc5000 tda9887 tuner_simple tuner_types mt20xx tea5761 cx8802 cx8800 cx88xx v4l2_common snd_emu10k1 snd_rawmidi snd_ac97_codec ftdi_sio ac97_bus snd_pcm snd_timer sn d_page_alloc ide_cd_mod videodev snd_util_mem tveeprom v4l1_compat snd_hwdep cdrom videobuf_dma_sg usb_storage ch341 snd btcx_risc videobuf_core k10temp i2c_piix4 ds249 0 wire [last unloaded: nvidia] Nov 12 23:19:34 draco kernel: [ 997.220559] Nov 12 23:19:34 draco kernel: [ 997.220559] Pid: 5498, comm: zsh Tainted: P 2.6.37-rc1-00057-gc3e1500-dirty #1 M4A785TD-V EVO/System Product Name Nov 12 23:19:34 draco kernel: [ 997.220559] RIP: 0010:[] [] ext4_init_io_end+0x3c/0x72 Nov 12 23:19:34 draco kernel: [ 997.220559] RSP: 0018:ffff8801374118e8 EFLAGS: 00010246 Nov 12 23:19:34 draco kernel: [ 997.220559] RAX: 0000000000000000 RBX: ffff880127bad830 RCX: 0000000000000000 Nov 12 23:19:34 draco kernel: [ 997.220559] RDX: ffffea000437c2a0 RSI: 000000000000000c RDI: ffffffff81738120 Nov 12 23:19:34 draco kernel: [ 997.220559] RBP: ffff8801374118f8 R08: ffff88013f4f56e0 R09: dead000000200200 Nov 12 23:19:34 draco kernel: [ 997.220559] R10: dead000000100100 R11: 0000000000000044 R12: ffff8801278d34e8 Nov 12 23:19:34 draco kernel: [ 997.220559] R13: ffff880137411a78 R14: ffff88011f18ab08 R15: ffffea000437c2a0 Nov 12 23:19:34 draco kernel: [ 997.220559] FS: 00007f1ee6f32700(0000) GS:ffff8800afc00000(0000) knlGS:0000000000000000 Nov 12 23:19:34 draco kernel: [ 997.220559] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Nov 12 23:19:34 draco kernel: [ 997.220559] CR2: 00007f1ee6f3f000 CR3: 000000013f474000 CR4: 00000000000006f0 Nov 12 23:19:34 draco kernel: [ 997.220559] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Nov 12 23:19:34 draco kernel: [ 997.220559] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Nov 12 23:19:34 draco kernel: [ 997.220559] Process zsh (pid: 5498, threadinfo ffff880137410000, task ffff880121670850) Nov 12 23:19:34 draco kernel: [ 997.220559] Stack: Nov 12 23:19:34 draco kernel: [ 997.220559] ffff880122c862d0 ffffea000437c2a0 ffff880137411978 ffffffff810f6751 Nov 12 23:19:34 draco kernel: [ 997.220559] ffff8801374119d8 ffff880137411c78 0000004827bad960 ffffea000437c2a0 Nov 12 23:19:34 draco kernel: [ 997.220559] ffff880122c862d0 ffff880127bad830 0000100037411bd8 0000000000000020 Nov 12 23:19:34 draco kernel: [ 997.220559] Call Trace: Nov 12 23:19:34 draco kernel: [ 997.220559] [] ext4_bio_write_page+0x172/0x304 Nov 12 23:19:34 draco kernel: [ 997.220559] [] mpage_da_submit_io+0x36a/0x3ed Nov 12 23:19:34 draco kernel: [ 997.220559] [] ? ext4_mark_iloc_dirty+0x495/0x529 Nov 12 23:19:34 draco kernel: [ 997.220559] [] mpage_da_map_and_submit+0x372/0x3ae Nov 12 23:19:34 draco kernel: [ 997.220559] [] ? jbd2_journal_start+0xe/0x10 Nov 12 23:19:34 draco kernel: [ 997.220559] [] ext4_da_writepages+0x34d/0x4af Nov 12 23:19:34 draco kernel: [ 997.220559] [] do_writepages +0x1c/0x25 Nov 12 23:19:34 draco kernel: [ 997.220559] [] __filemap_fdatawrite_range+0x4b/0x4d Nov 12 23:19:34 draco kernel: [ 997.220559] [] filemap_fdatawrite_range+0xe/0x10 Nov 12 23:19:34 draco kernel: [ 997.220559] [] jbd2_journal_begin_ordered_truncate+0x68/0x8b Nov 12 23:19:34 draco kernel: [ 997.220559] [] ext4_evict_inode+0x257/0x29b Nov 12 23:19:34 draco kernel: [ 997.220559] [] evict +0x22/0x93 Nov 12 23:19:34 draco kernel: [ 997.220559] [] iput +0x200/0x237 Nov 12 23:19:34 draco kernel: [ 997.220559] [] dentry_iput +0x95/0xa5 Nov 12 23:19:34 draco kernel: [ 997.220559] [] d_kill +0x3d/0x5d Nov 12 23:19:34 draco kernel: [ 997.220559] [] dput +0x119/0x126 Nov 12 23:19:34 draco kernel: [ 997.220559] [] sys_renameat +0x1b5/0x258 Nov 12 23:19:34 draco kernel: [ 997.220559] [] ? free_pages_and_swap_cache+0x8b/0xa8 Nov 12 23:19:34 draco kernel: [ 997.220559] [] ? cpumask_any_but+0x29/0x36 Nov 12 23:19:34 draco kernel: [ 997.220559] [] ? remove_vma +0x57/0x5f Nov 12 23:19:34 draco kernel: [ 997.220559] [] ? do_munmap +0x30b/0x32d Nov 12 23:19:34 draco kernel: [ 997.220559] [] sys_rename +0x16/0x18 Nov 12 23:19:34 draco kernel: [ 997.220559] [] system_call_fastpath+0x16/0x1b Nov 12 23:19:34 draco kernel: [ 997.220559] Code: e8 1f 01 f9 ff 48 85 c0 49 89 c4 74 4c 31 c0 b9 1a 01 00 00 4c 89 e7 f3 ab 48 89 df e8 23 43 fa ff 48 85 c0 49 89 44 24 10 75 04 <0f> 0b eb fe 49 8d 44 24 40 49 c7 44 24 38 00 09 00 00 49 c7 44 Nov 12 23:19:34 draco kernel: [ 997.220559] RIP [] ext4_init_io_end+0x3c/0x72 Nov 12 23:19:34 draco kernel: [ 997.220559] RSP Nov 12 23:19:34 draco kernel: [ 997.256518] ---[ end trace 03ab35d0fed84b8a ]---