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Message-Id: <20090307170817.47E8C108042@picon.linux-foundation.org> Date: Sat, 7 Mar 2009 09:08:17 -0800 (PST) From: bugme-daemon@...zilla.kernel.org To: linux-ext4@...r.kernel.org Subject: [Bug 12815] JBD: barrier-based sync failed on dm-1:8 - disabling barriers -- and then hang http://bugzilla.kernel.org/show_bug.cgi?id=12815 ------- Comment #6 from joey@...enet.net 2009-03-07 09:08 ------- I added barrier=0 and did not see the problem again until today. W/o JBD messages, so that was a red herring. This time there was nothing special in dmesg. sysrq shows the following. This is not all the hung processes, but should be representative: Mar 7 12:00:54 turtle kernel: [82352.940000] sh D c0213428 0 21596 21594 Mar 7 12:00:54 turtle kernel: [82352.940000] [<c02130b4>] (schedule+0x0/0x3d0) from [<c0213b94>] (__mutex_lock_slowpath+0x6c/0x98) Mar 7 12:00:54 turtle kernel: [82352.940000] [<c0213b28>] (__mutex_lock_slowpath+0x0/0x98) from [<c0213be0>] (mutex_lock+0x20/0x24) Mar 7 12:00:54 turtle kernel: [82352.940000] r8:c76d379c r7:c223de98 r6:c76d3728 r5:c7685d98 r4:00000000 Mar 7 12:00:54 turtle kernel: [82352.940000] [<c0213bc0>] (mutex_lock+0x0/0x24) from [<c009e41c>] (do_lookup+0x78/0x194) Mar 7 12:00:54 turtle kernel: [82352.940000] [<c009e3a4>] (do_lookup+0x0/0x194) from [<c00a0198>] (__link_path_walk+0x3ac/0xe24) Mar 7 12:00:54 turtle kernel: [82352.940000] [<c009fdec>] (__link_path_walk+0x0/0xe24) from [<c00a0d98>] (path_walk+0x50/0xa0) Mar 7 12:00:54 turtle kernel: [82352.940000] [<c00a0d48>] (path_walk+0x0/0xa0) from [<c00a0edc>] (do_path_lookup+0xf4/0x11c) Mar 7 12:00:54 turtle kernel: [82352.940000] r6:ffffff9c r5:c223de98 r4:00000001 Mar 7 12:00:54 turtle kernel: [82352.940000] [<c00a0de8>] (do_path_lookup+0x0/0x11c) from [<c00a198c>] (user_path_at+0x5c/0x9c) Mar 7 12:00:54 turtle kernel: [82352.940000] r7:c223df08 r6:ffffff9c r5:00000001 r4:c68d9000 Mar 7 12:00:54 turtle kernel: [82352.940000] [<c00a1930>] (user_path_at+0x0/0x9c) from [<c009a354>] (vfs_stat_fd+0x24/0x54) Mar 7 12:00:54 turtle kernel: [82352.940000] r7:000000c3 r6:c223df08 r5:c223df40 r4:bed3da18 Mar 7 12:00:54 turtle kernel: [82352.940000] [<c009a330>] (vfs_stat_fd+0x0/0x54) from [<c009a438>] (vfs_stat+0x1c/0x20) Mar 7 12:00:54 turtle kernel: [82352.940000] r6:000c5668 r5:c223df40 r4:bed3da18 Mar 7 12:00:54 turtle kernel: [82352.940000] [<c009a41c>] (vfs_stat+0x0/0x20) from [<c009a45c>] (sys_stat64+0x20/0x3c) Mar 7 12:00:54 turtle kernel: [82352.940000] [<c009a43c>] (sys_stat64+0x0/0x3c) from [<c0025e00>] (ret_fast_syscall+0x0/0x3c) Mar 7 12:00:54 turtle kernel: [82352.940000] r5:000bd6f8 r4:000c5668 Mar 7 12:00:54 turtle kernel: [82352.940000] sh D c0213428 0 22291 22289 Mar 7 12:00:54 turtle kernel: [82352.940000] [<c02130b4>] (schedule+0x0/0x3d0) from [<c0213b94>] (__mutex_lock_slowpath+0x6c/0x98) Mar 7 12:00:54 turtle kernel: [82352.940000] [<c0213b28>] (__mutex_lock_slowpath+0x0/0x98) from [<c0213be0>] (mutex_lock+0x20/0x24) Mar 7 12:00:54 turtle kernel: [82352.940000] r8:c76d379c r7:c4079e98 r6:c76d3728 r5:c7685d98 r4:00000000 Mar 7 12:00:54 turtle kernel: [82352.940000] [<c0213bc0>] (mutex_lock+0x0/0x24) from [<c009e41c>] (do_lookup+0x78/0x194) Mar 7 12:00:54 turtle kernel: [82352.940000] [<c009e3a4>] (do_lookup+0x0/0x194) from [<c00a0198>] (__link_path_walk+0x3ac/0xe24) Mar 7 12:00:54 turtle kernel: [82352.940000] [<c009fdec>] (__link_path_walk+0x0/0xe24) from [<c00a0d98>] (path_walk+0x50/0xa0) Mar 7 12:00:54 turtle kernel: [82352.940000] [<c00a0d48>] (path_walk+0x0/0xa0) from [<c00a0edc>] (do_path_lookup+0xf4/0x11c) Mar 7 12:00:54 turtle kernel: [82352.940000] r6:ffffff9c r5:c4079e98 r4:00000001 Mar 7 12:00:54 turtle kernel: [82352.940000] [<c00a0de8>] (do_path_lookup+0x0/0x11c) from [<c00a198c>] (user_path_at+0x5c/0x9c) Mar 7 12:00:54 turtle kernel: [82352.940000] r7:c4079f08 r6:ffffff9c r5:00000001 r4:c6841000 Mar 7 12:00:54 turtle kernel: [82352.940000] [<c00a1930>] (user_path_at+0x0/0x9c) from [<c009a354>] (vfs_stat_fd+0x24/0x54) Mar 7 12:00:54 turtle kernel: [82352.940000] r7:000000c3 r6:c4079f08 r5:c4079f40 r4:be967a18 Mar 7 12:00:54 turtle kernel: [82352.940000] [<c009a330>] (vfs_stat_fd+0x0/0x54) from [<c009a438>] (vfs_stat+0x1c/0x20) Mar 7 12:00:54 turtle kernel: [82352.940000] r6:000c5668 r5:c4079f40 r4:be967a18 Mar 7 12:00:54 turtle kernel: [82352.940000] [<c009a41c>] (vfs_stat+0x0/0x20) from [<c009a45c>] (sys_stat64+0x20/0x3c) Mar 7 12:00:54 turtle kernel: [82352.940000] [<c009a43c>] (sys_stat64+0x0/0x3c) from [<c0025e00>] (ret_fast_syscall+0x0/0x3c) Mar 7 12:00:54 turtle kernel: [82352.940000] r5:000bd6f8 r4:000c5668 Mar 7 12:00:54 turtle kernel: [82352.940000] sh D c0213428 0 24027 24025 -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. -- 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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