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Date: Sat, 31 Mar 2012 15:25:31 +0300 From: Artem Bityutskiy <dedekind1@...il.com> To: Jan Kara <jack@...e.cz> Cc: Ted Tso <tytso@....edu>, Ext4 Mailing List <linux-ext4@...r.kernel.org>, Linux FS Maling List <linux-fsdevel@...r.kernel.org>, Linux Kernel Maling List <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v1 0/9] do not use s_dirt in ext4 On Fri, 2012-03-30 at 17:35 +0200, Jan Kara wrote: > Hmm, looks like we tried to checkpoint BH_Unwritten buffer. That looks > like a bug in fallocate() support. Not really related but definitely worth > reporting. Yeah, vanilla 3.3 dies as well, with a bit different oops though. [10697.469725] ------------[ cut here ]------------ [10697.470440] kernel BUG at fs/buffer.c:2871! [10697.470440] invalid opcode: 0000 [#1] SMP [10697.470440] CPU 9 [10697.470440] Modules linked in: [last unloaded: scsi_wait_scan] [10697.470440] [10697.470440] Pid: 27877, comm: fsstress Not tainted 3.3.0+ #43 Bochs Bochs [10697.470440] RIP: 0010:[<ffffffff811a9add>] [<ffffffff811a9add>] submit_bh+0x10d/0x120 [10697.470440] RSP: 0018:ffff8803dfbef758 EFLAGS: 00010202 [10697.470440] RAX: 000000000004d025 RBX: ffff8803ffaa66e8 RCX: 0000000000000000 [10697.470440] RDX: ffff8803dfbeffd8 RSI: ffff8803ffaa66e8 RDI: 0000000000000211 [10697.470440] RBP: ffff8803dfbef778 R08: ffff880409013600 R09: 0000000000000001 [10697.470440] R10: 0000000000000000 R11: ffff88040656f240 R12: 0000000000000211 [10697.470440] R13: ffff8803dfbef834 R14: ffff8804065d6800 R15: ffff8803dfbeffd8 [10697.470440] FS: 00007fd0012a0700(0000) GS:ffff88041fd20000(0000) knlGS:0000000000000000 [10697.470440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10697.470440] CR2: 00007fcffc22dbc8 CR3: 0000000406d3d000 CR4: 00000000000006e0 [10697.470440] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [10697.470440] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [10697.470440] Process fsstress (pid: 27877, threadinfo ffff8803dfbee000, task ffff880404a60000) [10697.470440] Stack: [10697.470440] ffff8804065d6b18 ffff8803ffaa66e8 0000000000000211 ffff8803dfbef834 [10697.470440] ffff8803dfbef798 ffffffff811ab59d 000000000000003c ffff8804065d6af8 [10697.470440] ffff8803dfbef7f8 ffffffff8123be2d 0000000091827364 ffff8803dfbef7b0 [10697.470440] Call Trace: [10697.470440] [<ffffffff811ab59d>] write_dirty_buffer+0x4d/0x80 [10697.470440] [<ffffffff8123be2d>] __flush_batch+0x4d/0xa0 [10697.470440] [<ffffffff8123c8aa>] jbd2_log_do_checkpoint+0x38a/0x4f0 [10697.470440] [<ffffffff812c800d>] ? __write_lock_failed+0xd/0x20 [10697.470440] [<ffffffff8123ca99>] __jbd2_log_wait_for_space+0x89/0x190 [10697.470440] [<ffffffff812c8029>] ? __read_lock_failed+0x9/0x20 [10697.470440] [<ffffffff81237aa8>] start_this_handle+0x3a8/0x4e0 [10697.470440] [<ffffffff810799e0>] ? remove_wait_queue+0x50/0x50 [10697.470440] [<ffffffff81237ca3>] jbd2__journal_start+0xc3/0x100 [10697.470440] [<ffffffff81237cf3>] jbd2_journal_start+0x13/0x20 [10697.470440] [<ffffffff8121740f>] ext4_journal_start_sb+0x7f/0x1d0 [10697.470440] [<ffffffff811f9322>] ? ext4_write_begin+0x112/0x310 [10697.470440] [<ffffffff811f6465>] ? ext4_meta_trans_blocks+0xa5/0xb0 [10697.470440] [<ffffffff811f9322>] ext4_write_begin+0x112/0x310 [10697.470440] [<ffffffff811f96d4>] ext4_da_write_begin+0x1b4/0x210 [10697.470440] [<ffffffff812383e7>] ? jbd2_journal_stop+0x1b7/0x2b0 [10697.470440] [<ffffffff8111af42>] generic_file_buffered_write+0x112/0x290 [10697.470440] [<ffffffff8111c7b9>] __generic_file_aio_write+0x229/0x440 [10697.470440] [<ffffffff8111ca42>] generic_file_aio_write+0x72/0xe0 [10697.470440] [<ffffffff811f319f>] ext4_file_write+0xbf/0x260 [10697.470440] [<ffffffff81165d5f>] ? kmem_cache_free+0x2f/0x130 [10697.470440] [<ffffffff81186af3>] ? putname+0x33/0x50 [10697.470440] [<ffffffff8117ada2>] do_sync_write+0xd2/0x110 [10697.470440] [<ffffffff812633bc>] ? security_file_permission+0x2c/0xb0 [10697.470440] [<ffffffff8117b321>] ? rw_verify_area+0x61/0xf0 [10697.470440] [<ffffffff8117b683>] vfs_write+0xb3/0x180 [10697.470440] [<ffffffff8117b9aa>] sys_write+0x4a/0x90 [10697.470440] [<ffffffff815e6d69>] system_call_fastpath+0x16/0x1b [10697.470440] Code: ee 44 89 e7 e8 45 1f 0f 00 49 8b 5d 18 4c 89 ef e8 19 4e 00 00 48 83 c4 08 c1 e3 18 c1 fb 1f 83 e3 a1 89 d8 5b 41 5c 41 5d 5d c3 <0f> 0b 0f 0b 0f 0b 0f 0b 0f 0b 66 0f 1f 84 00 00 00 00 00 55 48 [10697.470440] RIP [<ffffffff811a9add>] submit_bh+0x10d/0x120 [10697.470440] RSP <ffff8803dfbef758> [10697.497128] ---[ end trace 21134344c4537c68 ]--- [10697.497589] ------------[ cut here ]------------ [10697.498081] WARNING: at kernel/exit.c:897 do_exit+0x55/0x870() [10697.498575] Hardware name: Bochs [10697.499044] Modules linked in: [last unloaded: scsi_wait_scan] [10697.499725] Pid: 27877, comm: fsstress Tainted: G D 3.3.0+ #43 [10697.500280] Call Trace: [10697.500682] [<ffffffff810572bf>] warn_slowpath_common+0x7f/0xc0 [10697.501223] [<ffffffff8105731a>] warn_slowpath_null+0x1a/0x20 [10697.501721] [<ffffffff8105b1c5>] do_exit+0x55/0x870 [10697.502231] [<ffffffff81058f6c>] ? kmsg_dump+0x5c/0xf0 [10697.502714] [<ffffffff815dfeac>] oops_end+0xac/0xf0 [10697.503243] [<ffffffff81017928>] die+0x58/0x90 [10697.503701] [<ffffffff815df7a4>] do_trap+0xc4/0x170 [10697.504208] [<ffffffff81014fa5>] do_invalid_op+0x95/0xb0 [10697.504696] [<ffffffff811a9add>] ? submit_bh+0x10d/0x120 [10697.505598] [<ffffffff81299dc4>] ? drive_stat_acct+0x114/0x190 [10697.506136] [<ffffffff8129ec46>] ? blk_queue_bio+0x106/0x400 [10697.506633] [<ffffffff815e7f9b>] invalid_op+0x1b/0x20 [10697.507163] [<ffffffff811a9add>] ? submit_bh+0x10d/0x120 [10697.507648] [<ffffffff811a9ac7>] ? submit_bh+0xf7/0x120 [10697.508164] [<ffffffff811ab59d>] write_dirty_buffer+0x4d/0x80 [10697.508663] [<ffffffff8123be2d>] __flush_batch+0x4d/0xa0 [10697.509187] [<ffffffff8123c8aa>] jbd2_log_do_checkpoint+0x38a/0x4f0 [10697.509700] [<ffffffff812c800d>] ? __write_lock_failed+0xd/0x20 [10697.510238] [<ffffffff8123ca99>] __jbd2_log_wait_for_space+0x89/0x190 [10697.510754] [<ffffffff812c8029>] ? __read_lock_failed+0x9/0x20 [10697.511180] [<ffffffff81237aa8>] start_this_handle+0x3a8/0x4e0 [10697.511522] [<ffffffff810799e0>] ? remove_wait_queue+0x50/0x50 [10697.511863] [<ffffffff81237ca3>] jbd2__journal_start+0xc3/0x100 [10697.512230] [<ffffffff81237cf3>] jbd2_journal_start+0x13/0x20 [10697.512569] [<ffffffff8121740f>] ext4_journal_start_sb+0x7f/0x1d0 [10697.512915] [<ffffffff811f9322>] ? ext4_write_begin+0x112/0x310 [10697.513283] [<ffffffff811f6465>] ? ext4_meta_trans_blocks+0xa5/0xb0 [10697.513631] [<ffffffff811f9322>] ext4_write_begin+0x112/0x310 [10697.513970] [<ffffffff811f96d4>] ext4_da_write_begin+0x1b4/0x210 [10697.514340] [<ffffffff812383e7>] ? jbd2_journal_stop+0x1b7/0x2b0 [10697.514683] [<ffffffff8111af42>] generic_file_buffered_write+0x112/0x290 [10697.515077] [<ffffffff8111c7b9>] __generic_file_aio_write+0x229/0x440 [10697.515428] [<ffffffff8111ca42>] generic_file_aio_write+0x72/0xe0 [10697.515771] [<ffffffff811f319f>] ext4_file_write+0xbf/0x260 [10697.516127] [<ffffffff81165d5f>] ? kmem_cache_free+0x2f/0x130 [10697.516467] [<ffffffff81186af3>] ? putname+0x33/0x50 [10697.516790] [<ffffffff8117ada2>] do_sync_write+0xd2/0x110 [10697.517146] [<ffffffff812633bc>] ? security_file_permission+0x2c/0xb0 [10697.517498] [<ffffffff8117b321>] ? rw_verify_area+0x61/0xf0 [10697.517834] [<ffffffff8117b683>] vfs_write+0xb3/0x180 [10697.518184] [<ffffffff8117b9aa>] sys_write+0x4a/0x90 [10697.518508] [<ffffffff815e6d69>] system_call_fastpath+0x16/0x1b [10697.518934] ---[ end trace 21134344c4537c69 ]--- -- Best Regards, Artem Bityutskiy -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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