On Tue, 13 Aug 2013, Jan Kara wrote: > On Mon 12-08-13 11:13:06, Sage Weil wrote: > > Full dmesg is attached. > Hum, nothing interesting in there... > > > Our QA seems to hit this with some regularity. Let me know if there's > > some combination of patches that would help shed more light! > If they can run with attached debug patch it could maybe sched some more > light. Please send also your System.map file together with the dmesg of the > kernel when the crash happens so that I can map addresses to function > names... Thanks! Okay, finally hit it again: <6>[75193.192249] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,user_xattr,user_xattr <3>[77877.426658] Dirtying buffer without jh at 4302720297: state 218c029,jh added from 0xffffffff8127ab1d at 4302720297, removed from 0xffffffff8127b5b0 at 4302720296 <4>[77877.441200] ------------[ cut here ]------------ <4>[77877.445845] WARNING: CPU: 7 PID: 26045 at /srv/autobuild-ceph/gitbuilder.git/build/fs/jbd2/transaction.c:1380 jbd2_journal_dirty_metadata+0x1f1/0x2e0() <4>[77877.497349] CPU: 7 PID: 26045 Comm: ceph-osd Not tainted 3.11.0-rc5-ceph-00061-g546140d #1 <4>[77877.505649] Hardware name: Dell Inc. PowerEdge R410/01V648, BIOS 1.6.3 02/07/2011 <4>[77877.513213] 0000000000000564 ffff880131ca1938 ffffffff81642d85 ffff8802272ef290 <4>[77877.520694] 0000000000000000 ffff880131ca1978 ffffffff8104985c ffff880131ca19a0 <4>[77877.528218] ffff88020f695aa0 0000000000000000 ffff880214c48b40 ffff88020be55000 <4>[77877.535756] Call Trace: <4>[77877.538279] [<ffffffff81642d85>] dump_stack+0x46/0x58 <4>[77877.543439] [<ffffffff8104985c>] warn_slowpath_common+0x8c/0xc0 <4>[77877.549548] [<ffffffff810498aa>] warn_slowpath_null+0x1a/0x20 <4>[77877.555413] [<ffffffff8127adb1>] jbd2_journal_dirty_metadata+0x1f1/0x2e0 <4>[77877.562288] [<ffffffff812578c3>] __ext4_handle_dirty_metadata+0xa3/0x140 <4>[77877.569155] [<ffffffff81268e23>] ext4_xattr_release_block+0x103/0x1f0 <4>[77877.575723] [<ffffffff812692b0>] ext4_xattr_block_set+0x1e0/0x910 <4>[77877.581990] [<ffffffff8126a58b>] ext4_xattr_set_handle+0x38b/0x4a0 <4>[77877.588335] [<ffffffff810af7cd>] ? trace_hardirqs_on+0xd/0x10 <4>[77877.594188] [<ffffffff8126a765>] ext4_xattr_set+0xc5/0x140 <4>[77877.599837] [<ffffffff8126b177>] ext4_xattr_user_set+0x47/0x50 <4>[77877.605779] [<ffffffff811a3fee>] generic_setxattr+0x6e/0x90 <4>[77877.611514] [<ffffffff811a48eb>] __vfs_setxattr_noperm+0x7b/0x1c0 <4>[77877.617773] [<ffffffff811a4af4>] vfs_setxattr+0xc4/0xd0 <4>[77877.623103] [<ffffffff811a4c3e>] setxattr+0x13e/0x1e0 <4>[77877.628317] [<ffffffff81181ec7>] ? __sb_start_write+0xe7/0x1b0 <4>[77877.634260] [<ffffffff8119fb98>] ? mnt_want_write_file+0x28/0x60 <4>[77877.640428] [<ffffffff8119cf0c>] ? fget_light+0x3c/0x130 <4>[77877.645847] [<ffffffff8119fb98>] ? mnt_want_write_file+0x28/0x60 <4>[77877.652015] [<ffffffff8119e902>] ? mnt_clone_write+0x12/0x30 <4>[77877.657897] [<ffffffff811a50de>] SyS_fsetxattr+0xbe/0x100 <4>[77877.663405] [<ffffffff81653782>] system_call_fastpath+0x16/0x1b <4>[77877.669488] ---[ end trace bb7933908cd5a32a ]--- <2>[77877.674126] EXT4-fs error (device sda1) in ext4_handle_dirty_xattr_block:167: error 117 <3>[77877.692983] Aborting journal on device sda1-8. <2>[77877.721561] EXT4-fs (sda1): Remounting filesystem read-only <0>[77877.721657] journal commit I/O error <0>[77877.721706] journal commit I/O error <0>[77877.721707] journal commit I/O error <2>[77877.727300] EXT4-fs error (device sda1): ext4_journal_check_start:56: Detected aborted journal <2>[77877.727338] EXT4-fs (sda1): Remounting filesystem read-only <2>[77877.727613] EXT4-fs error (device sda1): ext4_journal_check_start:56: Detected aborted journal <2>[77877.727618] EXT4-fs error (device sda1): ext4_journal_check_start:56: Detected aborted journal <2>[77877.727625] EXT4-fs error (device sda1): ext4_journal_check_start:56: Detected aborted journal <2>[77877.778239] EXT4-fs error (device sda1) in ext4_xattr_release_block:558: error 117 <3>[77877.786051] Dirtying buffer without jh at 4302720332: state 10c029,jh added from 0xffffffff8127eb88 at 4302720326, removed from 0xffffffff8127b5b0 at 4302720274 <4>[77877.800516] ------------[ cut here ]------------ <4>[77877.805156] WARNING: CPU: 7 PID: 26045 at /srv/autobuild-ceph/gitbuilder.git/build/fs/jbd2/transaction.c:1380 jbd2_journal_dirty_metadata+0x1f1/0x2e0() <4>[77877.856583] CPU: 7 PID: 26045 Comm: ceph-osd Tainted: G W 3.11.0-rc5-ceph-00061-g546140d #1 <4>[77877.865896] Hardware name: Dell Inc. PowerEdge R410/01V648, BIOS 1.6.3 02/07/2011 <4>[77877.873475] 0000000000000564 ffff880131ca19b8 ffffffff81642d85 ffff8802272ef290 <4>[77877.880954] 0000000000000000 ffff880131ca19f8 ffffffff8104985c ffff880131ca1a20 <4>[77877.888488] ffff8801c499be58 0000000000000000 ffff880029010000 ffff880029010c30 <4>[77877.895962] Call Trace: <4>[77877.898484] [<ffffffff81642d85>] dump_stack+0x46/0x58 <4>[77877.903643] [<ffffffff8104985c>] warn_slowpath_common+0x8c/0xc0 <4>[77877.909724] [<ffffffff810498aa>] warn_slowpath_null+0x1a/0x20 <4>[77877.915577] [<ffffffff8127adb1>] jbd2_journal_dirty_metadata+0x1f1/0x2e0 <4>[77877.922443] [<ffffffff810af7cd>] ? trace_hardirqs_on+0xd/0x10 <4>[77877.928353] [<ffffffff812578c3>] __ext4_handle_dirty_metadata+0xa3/0x140 <4>[77877.935165] [<ffffffff8122ca3e>] ext4_mark_iloc_dirty+0x40e/0x660 <4>[77877.941421] [<ffffffff8126a465>] ext4_xattr_set_handle+0x265/0x4a0 <4>[77877.947766] [<ffffffff8126a765>] ext4_xattr_set+0xc5/0x140 <4>[77877.953358] [<ffffffff8126b177>] ext4_xattr_user_set+0x47/0x50 <4>[77877.959354] [<ffffffff811a3fee>] generic_setxattr+0x6e/0x90 <4>[77877.965034] [<ffffffff811a48eb>] __vfs_setxattr_noperm+0x7b/0x1c0 <4>[77877.971289] [<ffffffff811a4af4>] vfs_setxattr+0xc4/0xd0 <4>[77877.976621] [<ffffffff811a4c3e>] setxattr+0x13e/0x1e0 <4>[77877.981837] [<ffffffff81181ec7>] ? __sb_start_write+0xe7/0x1b0 <4>[77877.987830] [<ffffffff8119fb98>] ? mnt_want_write_file+0x28/0x60 <4>[77877.993944] [<ffffffff8119cf0c>] ? fget_light+0x3c/0x130 <4>[77877.999417] [<ffffffff8119fb98>] ? mnt_want_write_file+0x28/0x60 <4>[77878.005530] [<ffffffff8119e902>] ? mnt_clone_write+0x12/0x30 <4>[77878.011349] [<ffffffff811a50de>] SyS_fsetxattr+0xbe/0x100 <4>[77878.016856] [<ffffffff81653782>] system_call_fastpath+0x16/0x1b <4>[77878.022941] ---[ end trace bb7933908cd5a32b ]--- [7]kdb> rd ax: ffff88020aadbf20 bx: ffff8800290100a0 cx: 0000000000000000 dx: ffff8800290100a0 si: ffff8800290100a0 di: ffff8800290100a0 bp: ffff880131ca1a28 sp: ffff880131ca1978 r8: 0000000000000002 r9: 0000000000000000 r10: 0000000000000001 r11: 0000000000000000 r12: ffff880029010000 r13: 0000000000000000 r14: ffff880029010c30 r15: 00000000ffffff8b ip: ffffffff81279f84 flags: 00010286 cs: 00000010 ss: 00000018 ds: 00000018 es: 00000018 fs: 00000018 gs: 00000018 [7]kdb> bt Stack traceback for pid 26045 0xffff88020aadbf20 26045 25958 1 7 R 0xffff88020aadc3a8 *ceph-osd ffff880131ca1978 0000000000000018 ffff880131ca1978 ffff880131ca1998 bb7933908cd5a32b 0000000000000000 0000000000000001 0000000000000002 0000000000000000 ffff880131ca19b8 0000000000000000 ffff880131ca19f8 Call Trace: [<ffffffff8104986f>] ? warn_slowpath_common+0x9f/0xc0 [<ffffffff81257308>] ? __ext4_journal_stop+0x78/0xa0 [<ffffffff812578dc>] ? __ext4_handle_dirty_metadata+0xbc/0x140 [<ffffffff8122ca3e>] ? ext4_mark_iloc_dirty+0x40e/0x660 [<ffffffff8126a465>] ? ext4_xattr_set_handle+0x265/0x4a0 [<ffffffff8126a765>] ? ext4_xattr_set+0xc5/0x140 [<ffffffff8126b177>] ? ext4_xattr_user_set+0x47/0x50 [<ffffffff811a3fee>] ? generic_setxattr+0x6e/0x90 [<ffffffff811a48eb>] ? __vfs_setxattr_noperm+0x7b/0x1c0 [<ffffffff811a4af4>] ? vfs_setxattr+0xc4/0xd0 [<ffffffff811a4c3e>] ? setxattr+0x13e/0x1e0 [<ffffffff81181ec7>] ? __sb_start_write+0xe7/0x1b0 [<ffffffff8119fb98>] ? mnt_want_write_file+0x28/0x60 [<ffffffff8119cf0c>] ? fget_light+0x3c/0x130 [<ffffffff8119fb98>] ? mnt_want_write_file+0x28/0x60 [<ffffffff8119e902>] ? mnt_clone_write+0x12/0x30 [<ffffffff811a50de>] ? SyS_fsetxattr+0xbe/0x100 [<ffffffff81653782>] ? system_call_fastpath+0x16/0x1b Let me know if there is anything else I can gather from this machine that will help! sage -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html