Since upgrading to v 3.0.15 i am getting these errors in dmesg - i have a feeling they are related to hyper-v storage drivers.
Code: Select all
INFO: task munin-update:20657 blocked for more than 120 seconds.
Not tainted 2.6.32-642.11.1.el6.x86_64 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
munin-update D 0000000000000000 0 20657 20655 0x00000000
ffff8800ba4a7ad8 0000000000000086 0000000000000000 0000000000000000
0000000000016ec0 ffff880036e59400 000005a531adba91 ffff880037aa11c0
ffff8800ba4a7b18 00000001005a2242 ffff8800ba8d3068 ffff8800ba4a7fd8
Call Trace:
[<ffffffffa00e309d>] do_get_write_access+0x29d/0x520 [jbd2]
[<ffffffff810a6920>] ? wake_bit_function+0x0/0x50
[<ffffffff8123bf10>] ? security_inode_alloc+0x40/0x60
[<ffffffffa00e3471>] jbd2_journal_get_write_access+0x31/0x50 [jbd2]
[<ffffffffa0130fa8>] __ext4_journal_get_write_access+0x38/0x80 [ext4]
[<ffffffffa0106724>] ext4_new_inode+0x414/0x11c0 [ext4]
[<ffffffffa00e23d5>] ? jbd2_journal_start+0xb5/0x100 [jbd2]
[<ffffffffa0115540>] ext4_create+0xc0/0x150 [ext4]
[<ffffffff811a7153>] ? generic_permission+0x23/0xb0
[<ffffffff811a9456>] vfs_create+0xe6/0x110
[<ffffffff811ad26e>] do_filp_open+0xa8e/0xd20
[<ffffffff812a885a>] ? strncpy_from_user+0x4a/0x90
[<ffffffff811ba072>] ? alloc_fd+0x92/0x160
[<ffffffff811969f7>] do_sys_open+0x67/0x130
[<ffffffff81196b00>] sys_open+0x20/0x30
[<ffffffff8100b0d2>] system_call_fastpath+0x16/0x1b
INFO: task mysqld:1720 blocked for more than 120 seconds.
Not tainted 2.6.32-642.11.1.el6.x86_64 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
mysqld D 0000000000000000 0 1720 1590 0x00000000
ffff8800bbd97dc8 0000000000000086 0000000000000000 0000000000000001
000000000000000e ffff8800bbd97de8 000005debf77012b ffffffff8112dea0
ffff8800bc593220 00000001005de73e ffff8800bc05fad8 ffff8800bbd97fd8
Call Trace:
[<ffffffff8112dea0>] ? find_get_pages_tag+0x40/0x130
[<ffffffff810a6bce>] ? prepare_to_wait+0x4e/0x80
[<ffffffffa00e9595>] jbd2_log_wait_commit+0xc5/0x140 [jbd2]
[<ffffffff810a68a0>] ? autoremove_wake_function+0x0/0x40
[<ffffffffa00e9928>] jbd2_complete_transaction+0x68/0xb0 [jbd2]
[<ffffffffa0105061>] ext4_sync_file+0x121/0x1d0 [ext4]
[<ffffffff811cc991>] vfs_fsync_range+0xa1/0x100
[<ffffffff811cca5d>] vfs_fsync+0x1d/0x20
[<ffffffff811cca9e>] do_fsync+0x3e/0x60
[<ffffffff811ccaf0>] sys_fsync+0x10/0x20
[<ffffffff8100b0d2>] system_call_fastpath+0x16/0x1b
INFO: task MailScanner:20585 blocked for more than 120 seconds.
Not tainted 2.6.32-642.11.1.el6.x86_64 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
MailScanner D 0000000000000001 0 20585 20584 0x00000000
ffff8800b9443e38 0000000000000086 ffff8800b9443e08 ffffffffffffffe9
ffff8800b9443da8 ffffffff81196fc4 0000000000008000 0000000000008000
ffff8800b9443f18 ffffffff811aceca ffff8800bce565f8 ffff8800b9443fd8
Call Trace:
[<ffffffff81196fc4>] ? nameidata_to_filp+0x54/0x70
[<ffffffff811aceca>] ? do_filp_open+0x6ea/0xd20
[<ffffffff8154a376>] __mutex_lock_slowpath+0x96/0x210
[<ffffffff81549e9b>] mutex_lock+0x2b/0x50
[<ffffffff81199ea4>] generic_file_llseek_size+0x44/0xd0
[<ffffffffa0104ccd>] ext4_llseek+0x2d/0x50 [ext4]
[<ffffffff811981fa>] vfs_llseek+0x3a/0x40
[<ffffffff8119a59e>] sys_lseek+0x7e/0xa0
[<ffffffff8100b0d2>] system_call_fastpath+0x16/0x1b
INFO: task MailScanner:20610 blocked for more than 120 seconds.
Not tainted 2.6.32-642.11.1.el6.x86_64 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
MailScanner D 0000000000000000 0 20610 20584 0x00000000
ffff8800b909fe38 0000000000000082 0000000000000000 ffffffffffffffe9
ffff8800b909fda8 ffffffff81196fc4 000005e1721e04ef 0000000000008000
ffff8800b909ff18 00000001005e14cc ffff880037a7c5f8 ffff8800b909ffd8
Call Trace:
[<ffffffff81196fc4>] ? nameidata_to_filp+0x54/0x70
[<ffffffff8154a376>] __mutex_lock_slowpath+0x96/0x210
[<ffffffff81549e9b>] mutex_lock+0x2b/0x50
[<ffffffff81199ea4>] generic_file_llseek_size+0x44/0xd0
[<ffffffffa0104ccd>] ext4_llseek+0x2d/0x50 [ext4]
[<ffffffff811981fa>] vfs_llseek+0x3a/0x40
[<ffffffff8119a59e>] sys_lseek+0x7e/0xa0
[<ffffffff8100b0d2>] system_call_fastpath+0x16/0x1b
INFO: task MailScanner:20631 blocked for more than 120 seconds.
Not tainted 2.6.32-642.11.1.el6.x86_64 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
MailScanner D 0000000000000001 0 20631 20584 0x00000000
ffff8800ba677e38 0000000000000082 0000000000000000 ffffffffffffffe9
ffff8800ba677da8 ffffffff81196fc4 000005e1726843e2 0000000000008000
ffff8800ba677f18 00000001005e154f ffff8800baa1a5f8 ffff8800ba677fd8
Call Trace:
[<ffffffff81196fc4>] ? nameidata_to_filp+0x54/0x70
[<ffffffff8154a376>] __mutex_lock_slowpath+0x96/0x210
[<ffffffff81549e9b>] mutex_lock+0x2b/0x50
[<ffffffff81199ea4>] generic_file_llseek_size+0x44/0xd0
[<ffffffffa0104ccd>] ext4_llseek+0x2d/0x50 [ext4]
[<ffffffff811981fa>] vfs_llseek+0x3a/0x40
[<ffffffff8119a59e>] sys_lseek+0x7e/0xa0
[<ffffffff8100b0d2>] system_call_fastpath+0x16/0x1b
atkbd.c: Unknown key pressed (translated set 2, code 0x0 on vmbus_5).
atkbd.c: Use 'setkeycodes 00 <keycode>' to make it known.
atkbd.c: Unknown key released (translated set 2, code 0x0 on vmbus_5).
atkbd.c: Use 'setkeycodes 00 <keycode>' to make it known.