Bug#738608: linux-image-2.6-amd64: task ocfs2rec is blocked for more than 120 seconds
Hi,
since the last kernel update I also experience some randomly blocks on my virtual wheezy
machines running on VMware, see[2]. Tonight the process was mandb, yesterday it
was updatedb which blocked.
Cheers,
Werner
ii linux-base 3.5 all Linux image base package
ii linux-headers-3.2.0-4-amd64 3.2.65-1+deb7u1 amd64 Header files for Linux 3.2.0-4-amd64
ii linux-headers-3.2.0-4-common 3.2.65-1+deb7u1 amd64 Common header files for Linux 3.2.0-4
ii linux-image-3.2.0-4-amd64 3.2.65-1+deb7u1 amd64 Linux 3.2 for 64-bit PCs
ii linux-image-amd64 3.2+46 amd64 Linux for 64-bit PCs (meta-package)
ii linux-kbuild-3.2 3.2.17-1 amd64 Kbuild infrastructure for Linux 3.2
ii linux-libc-dev:amd64 3.2.65-1+deb7u1 amd64 Linux support headers for userspace development
[79801.524159] INFO: task mandb:6364 blocked for more than 120 seconds.
[79801.524623] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[79801.524951] mandb D ffff88023fd12780 0 6364 6352 0x00000000
[79801.524964] ffff880069129100 0000000000000086 0000000000000000 ffff880236cfd180
[79801.524976] 0000000000012780 ffff88022cc71fd8 ffff88022cc71fd8 ffff880069129100
[79801.524985] ffffffff81013a56 00000001810663a1 ffff880053b9d830 ffff88023fd12fd0
[79801.524995] Call Trace:
[79801.525010] [<ffffffff81013a56>] ? read_tsc+0x5/0x14
[79801.525023] [<ffffffff8111dff1>] ? wait_on_buffer+0x28/0x28
[79801.525033] [<ffffffff8134fcc9>] ? io_schedule+0x59/0x71
[79801.525041] [<ffffffff8111dff7>] ? sleep_on_buffer+0x6/0xa
[79801.525048] [<ffffffff8135010c>] ? __wait_on_bit+0x3e/0x71
[79801.525057] [<ffffffff81121b68>] ? bio_alloc_bioset+0x43/0xb6
[79801.525066] [<ffffffff813501ae>] ? out_of_line_wait_on_bit+0x6f/0x78
[79801.525073] [<ffffffff8111dff1>] ? wait_on_buffer+0x28/0x28
[79801.525083] [<ffffffff8105fe0d>] ? autoremove_wake_function+0x2a/0x2a
[79801.525149] [<ffffffffa00e12d7>] ? ext4_find_entry+0x1bd/0x298 [ext4]
[79801.525174] [<ffffffffa00e13e0>] ? ext4_lookup+0x2e/0x11c [ext4]
[79801.525183] [<ffffffff8110be7b>] ? __d_alloc+0x12c/0x13c
[79801.525192] [<ffffffff81103392>] ? d_alloc_and_lookup+0x3a/0x60
[79801.525201] [<ffffffff81103e36>] ? walk_component+0x219/0x406
[79801.525210] [<ffffffff81105c8a>] ? do_last+0x108/0x58d
[79801.525219] [<ffffffff81106707>] ? path_openat+0xce/0x33a
[79801.525228] [<ffffffff810cf02d>] ? pte_offset_kernel+0x16/0x35
[79801.525237] [<ffffffff81106a35>] ? do_filp_open+0x2a/0x6e
[79801.525245] [<ffffffff8134fa74>] ? _cond_resched+0x7/0x1c
[79801.525254] [<ffffffff811b5599>] ? __strncpy_from_user+0x18/0x48
[79801.525264] [<ffffffff8110f7bb>] ? alloc_fd+0x64/0x109
[79801.525273] [<ffffffff810fa9cd>] ? do_sys_open+0x5e/0xe5
[79801.525281] [<ffffffff81355ed2>] ? system_call_fastpath+0x16/0x1b
[79921.524213] INFO: task mandb:6364 blocked for more than 120 seconds.
[79921.524571] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[79921.524872] mandb D ffff88023fd12780 0 6364 6352 0x00000000
[79921.524885] ffff880069129100 0000000000000086 0000000000000000 ffff880236cfd180
[79921.524896] 0000000000012780 ffff88022cc71fd8 ffff88022cc71fd8 ffff880069129100
[79921.524906] ffffffff81013a56 00000001810663a1 ffff880053b9d830 ffff88023fd12fd0
[79921.524915] Call Trace:
[79921.524931] [<ffffffff81013a56>] ? read_tsc+0x5/0x14
[79921.524943] [<ffffffff8111dff1>] ? wait_on_buffer+0x28/0x28
[79921.524954] [<ffffffff8134fcc9>] ? io_schedule+0x59/0x71
[79921.524962] [<ffffffff8111dff7>] ? sleep_on_buffer+0x6/0xa
[79921.524969] [<ffffffff8135010c>] ? __wait_on_bit+0x3e/0x71
[79921.524979] [<ffffffff81121b68>] ? bio_alloc_bioset+0x43/0xb6
[79921.524987] [<ffffffff813501ae>] ? out_of_line_wait_on_bit+0x6f/0x78
[79921.524995] [<ffffffff8111dff1>] ? wait_on_buffer+0x28/0x28
[79921.525005] [<ffffffff8105fe0d>] ? autoremove_wake_function+0x2a/0x2a
[79921.525096] [<ffffffffa00e12d7>] ? ext4_find_entry+0x1bd/0x298 [ext4]
[79921.525121] [<ffffffffa00e13e0>] ? ext4_lookup+0x2e/0x11c [ext4]
[79921.525130] [<ffffffff8110be7b>] ? __d_alloc+0x12c/0x13c
[79921.525140] [<ffffffff81103392>] ? d_alloc_and_lookup+0x3a/0x60
[79921.525148] [<ffffffff81103e36>] ? walk_component+0x219/0x406
[79921.525158] [<ffffffff81105c8a>] ? do_last+0x108/0x58d
[79921.525171] [<ffffffff81106707>] ? path_openat+0xce/0x33a
[79921.525180] [<ffffffff810cf02d>] ? pte_offset_kernel+0x16/0x35
[79921.525189] [<ffffffff81106a35>] ? do_filp_open+0x2a/0x6e
[79921.525197] [<ffffffff8134fa74>] ? _cond_resched+0x7/0x1c
[79921.525207] [<ffffffff811b5599>] ? __strncpy_from_user+0x18/0x48
[79921.525219] [<ffffffff8110f7bb>] ? alloc_fd+0x64/0x109
[79921.525228] [<ffffffff810fa9cd>] ? do_sys_open+0x5e/0xe5
[79921.525237] [<ffffffff81355ed2>] ? system_call_fastpath+0x16/0x1b
[80401.524223] INFO: task mandb:7224 blocked for more than 120 seconds.
[80401.524485] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[80401.524780] mandb D ffff88023fd12780 0 7224 7219 0x00000000
[80401.524793] ffff88022c39d780 0000000000000082 ffff88020aa5d840 ffff8802343ae7c0
[80401.524804] 0000000000012780 ffff88009e805fd8 ffff88009e805fd8 ffff88022c39d780
[80401.524813] ffffffff81013a56 ffffffff810663a1 ffff8802350ef8a0 ffff88023fd12fd0
[80401.524822] Call Trace:
[80401.524838] [<ffffffff81013a56>] ? read_tsc+0x5/0x14
[80401.524848] [<ffffffff810663a1>] ? timekeeping_get_ns+0xd/0x2a
[80401.524859] [<ffffffff8111dff1>] ? wait_on_buffer+0x28/0x28
[80401.524868] [<ffffffff8134fcc9>] ? io_schedule+0x59/0x71
[80401.524876] [<ffffffff8111dff7>] ? sleep_on_buffer+0x6/0xa
[80401.524883] [<ffffffff8135010c>] ? __wait_on_bit+0x3e/0x71
[80401.524891] [<ffffffff813501ae>] ? out_of_line_wait_on_bit+0x6f/0x78
[80401.524899] [<ffffffff8111dff1>] ? wait_on_buffer+0x28/0x28
[80401.524908] [<ffffffff8105fe0d>] ? autoremove_wake_function+0x2a/0x2a
[80401.524948] [<ffffffffa00d9641>] ? __ext4_get_inode_loc+0x2fa/0x347 [ext4]
[80401.524971] [<ffffffffa00daf23>] ? ext4_iget+0x53/0x60b [ext4]
[80401.524994] [<ffffffffa00e1477>] ? ext4_lookup+0xc5/0x11c [ext4]
[80401.525003] [<ffffffff8110be7b>] ? __d_alloc+0x12c/0x13c
[80401.525013] [<ffffffff81103392>] ? d_alloc_and_lookup+0x3a/0x60
[80401.525021] [<ffffffff81103e36>] ? walk_component+0x219/0x406
[80401.525031] [<ffffffff81104ce9>] ? path_lookupat+0x7c/0x2bd
[80401.525039] [<ffffffff81036618>] ? should_resched+0x5/0x23
[80401.525046] [<ffffffff8134fa74>] ? _cond_resched+0x7/0x1c
[80401.525054] [<ffffffff81104f46>] ? do_path_lookup+0x1c/0x87
[80401.525063] [<ffffffff811069cf>] ? user_path_at_empty+0x47/0x7b
[80401.525072] [<ffffffff81353e5e>] ? do_page_fault+0x30a/0x345
[80401.525079] [<ffffffff810ec482>] ? kfree+0x5b/0x6c
[80401.525098] [<ffffffffa00d66c1>] ? ext4_release_dir+0x12/0x16 [ext4]
[80401.525106] [<ffffffff810fe9f6>] ? vfs_fstatat+0x32/0x60
[80401.525115] [<ffffffff810fc21e>] ? fput+0x17a/0x1a1
[80401.525121] [<ffffffff810feb2c>] ? sys_newstat+0x12/0x2b
[80401.525130] [<ffffffff81351415>] ? page_fault+0x25/0x30
[80401.525138] [<ffffffff81355ed2>] ? system_call_fastpath+0x16/0x1b
[80521.524160] INFO: task mandb:7224 blocked for more than 120 seconds.
[80521.524415] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[80521.524709] mandb D ffff88023fd12780 0 7224 7219 0x00000000
[80521.524722] ffff88022c39d780 0000000000000082 ffff88020aa5d840 ffff8802343ae7c0
[80521.524734] 0000000000012780 ffff88009e805fd8 ffff88009e805fd8 ffff88022c39d780
[80521.524743] ffffffff81013a56 ffffffff810663a1 ffff8802350ef8a0 ffff88023fd12fd0
[80521.524753] Call Trace:
[80521.524774] [<ffffffff81013a56>] ? read_tsc+0x5/0x14
[80521.524785] [<ffffffff810663a1>] ? timekeeping_get_ns+0xd/0x2a
[80521.524796] [<ffffffff8111dff1>] ? wait_on_buffer+0x28/0x28
[80521.524805] [<ffffffff8134fcc9>] ? io_schedule+0x59/0x71
[80521.524813] [<ffffffff8111dff7>] ? sleep_on_buffer+0x6/0xa
[80521.524820] [<ffffffff8135010c>] ? __wait_on_bit+0x3e/0x71
[80521.524829] [<ffffffff813501ae>] ? out_of_line_wait_on_bit+0x6f/0x78
[80521.524836] [<ffffffff8111dff1>] ? wait_on_buffer+0x28/0x28
[80521.524846] [<ffffffff8105fe0d>] ? autoremove_wake_function+0x2a/0x2a
[80521.524887] [<ffffffffa00d9641>] ? __ext4_get_inode_loc+0x2fa/0x347 [ext4]
[80521.524911] [<ffffffffa00daf23>] ? ext4_iget+0x53/0x60b [ext4]
[80521.524935] [<ffffffffa00e1477>] ? ext4_lookup+0xc5/0x11c [ext4]
[80521.524943] [<ffffffff8110be7b>] ? __d_alloc+0x12c/0x13c
[80521.524953] [<ffffffff81103392>] ? d_alloc_and_lookup+0x3a/0x60
[80521.524962] [<ffffffff81103e36>] ? walk_component+0x219/0x406
[80521.524971] [<ffffffff81104ce9>] ? path_lookupat+0x7c/0x2bd
[80521.524979] [<ffffffff81036618>] ? should_resched+0x5/0x23
[80521.524987] [<ffffffff8134fa74>] ? _cond_resched+0x7/0x1c
[80521.524995] [<ffffffff81104f46>] ? do_path_lookup+0x1c/0x87
[80521.525004] [<ffffffff811069cf>] ? user_path_at_empty+0x47/0x7b
[80521.525012] [<ffffffff81353e5e>] ? do_page_fault+0x30a/0x345
[80521.525020] [<ffffffff810ec482>] ? kfree+0x5b/0x6c
[80521.525039] [<ffffffffa00d66c1>] ? ext4_release_dir+0x12/0x16 [ext4]
[80521.525048] [<ffffffff810fe9f6>] ? vfs_fstatat+0x32/0x60
[80521.525056] [<ffffffff810fc21e>] ? fput+0x17a/0x1a1
[80521.525063] [<ffffffff810feb2c>] ? sys_newstat+0x12/0x2b
[80521.525072] [<ffffffff81351415>] ? page_fault+0x25/0x30
[80521.525080] [<ffffffff81355ed2>] ? system_call_fastpath+0x16/0x1b
[80641.524179] INFO: task mandb:7224 blocked for more than 120 seconds.
[80641.524444] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[80641.524741] mandb D ffff88023fd12780 0 7224 7219 0x00000000
[80641.524754] ffff88022c39d780 0000000000000082 ffff88020aa5d840 ffff8802343ae7c0
[80641.524767] 0000000000012780 ffff88009e805fd8 ffff88009e805fd8 ffff88022c39d780
[80641.524776] ffffffff81013a56 ffffffff810663a1 ffff8802350ef8a0 ffff88023fd12fd0
[80641.524785] Call Trace:
[80641.524802] [<ffffffff81013a56>] ? read_tsc+0x5/0x14
[80641.524813] [<ffffffff810663a1>] ? timekeeping_get_ns+0xd/0x2a
[80641.524824] [<ffffffff8111dff1>] ? wait_on_buffer+0x28/0x28
[80641.524834] [<ffffffff8134fcc9>] ? io_schedule+0x59/0x71
[80641.524841] [<ffffffff8111dff7>] ? sleep_on_buffer+0x6/0xa
[80641.524849] [<ffffffff8135010c>] ? __wait_on_bit+0x3e/0x71
[80641.524857] [<ffffffff813501ae>] ? out_of_line_wait_on_bit+0x6f/0x78
[80641.524865] [<ffffffff8111dff1>] ? wait_on_buffer+0x28/0x28
[80641.524875] [<ffffffff8105fe0d>] ? autoremove_wake_function+0x2a/0x2a
[80641.524996] [<ffffffffa00d9641>] ? __ext4_get_inode_loc+0x2fa/0x347 [ext4]
[80641.525036] [<ffffffffa00daf23>] ? ext4_iget+0x53/0x60b [ext4]
[80641.525060] [<ffffffffa00e1477>] ? ext4_lookup+0xc5/0x11c [ext4]
[80641.525069] [<ffffffff8110be7b>] ? __d_alloc+0x12c/0x13c
[80641.525079] [<ffffffff81103392>] ? d_alloc_and_lookup+0x3a/0x60
[80641.525091] [<ffffffff81103e36>] ? walk_component+0x219/0x406
[80641.525100] [<ffffffff81104ce9>] ? path_lookupat+0x7c/0x2bd
[80641.525109] [<ffffffff81036618>] ? should_resched+0x5/0x23
[80641.525116] [<ffffffff8134fa74>] ? _cond_resched+0x7/0x1c
[80641.525125] [<ffffffff81104f46>] ? do_path_lookup+0x1c/0x87
[80641.525133] [<ffffffff811069cf>] ? user_path_at_empty+0x47/0x7b
[80641.525142] [<ffffffff81353e5e>] ? do_page_fault+0x30a/0x345
[80641.525150] [<ffffffff810ec482>] ? kfree+0x5b/0x6c
[80641.525169] [<ffffffffa00d66c1>] ? ext4_release_dir+0x12/0x16 [ext4]
[80641.525176] [<ffffffff810fe9f6>] ? vfs_fstatat+0x32/0x60
[80641.525186] [<ffffffff810fc21e>] ? fput+0x17a/0x1a1
[80641.525192] [<ffffffff810feb2c>] ? sys_newstat+0x12/0x2b
[80641.525201] [<ffffffff81351415>] ? page_fault+0x25/0x30
[80641.525209] [<ffffffff81355ed2>] ? system_call_fastpath+0x16/0x1b
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