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kacpi_notify Messages in RedHat Enterprise Linux (RHEL) 6



Article Summary: This article provides information on kacpi_notify messages in RedHat Enterprise Linux (RHEL) 6.


Issue :

You see text similar to the following in /var/log/messages :

Oct 23 16:09:43 <hostname> kernel: INFO: task kacpi_notify:235 blocked for more than 120 seconds.
Oct 23 16:09:43 <hostname> kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 23 16:09:43 <hostname> kernel: kacpi_notify D 0000000000000000 0 235 2 0x00000000
Oct 23 16:09:43 <hostname> kernel: ffff880429473b30 0000000000000046 0000000000000001 0000000000000001
Oct 23 16:09:43 <hostname> kernel: 0000000000000001 ffff8804201d3eb0 ffff880429473ab0 0000000000000000
Oct 23 16:09:43 <hostname> kernel: ffff88042944a638 ffff880429473fd8 000000000000fb88 ffff88042944a638
Oct 23 16:09:43 <hostname> kernel: Call Trace:
Oct 23 16:09:43 <hostname> kernel: [<ffffffff8150e555>] schedule_timeout+0x215/0x2e0
Oct 23 16:09:43 <hostname> kernel: [<ffffffff812de96d>] ? acpi_os_release_object+0xe/0x12
Oct 23 16:09:43 <hostname> kernel: [<ffffffff8150e1d3>] wait_for_common+0x123/0x180
Oct 23 16:09:43 <hostname> kernel: [<ffffffff81063310>] ? default_wake_function+0x0/0x20
Oct 23 16:09:43 <hostname> kernel: [<ffffffff8150e2ed>] wait_for_completion+0x1d/0x20
Oct 23 16:09:43 <hostname> kernel: [<ffffffff8109696b>] kthread_stop+0x4b/0xd0
Oct 23 16:09:43 <hostname> kernel: [<ffffffffa028c42a>] acpi_pad_idle_cpus+0xbc/0xd6 [acpi_pad]
Oct 23 16:09:43 <hostname> kernel: [<ffffffffa028c70c>] acpi_pad_handle_notify+0x96/0x196 [acpi_pad]
Oct 23 16:09:43 <hostname> kernel: [<ffffffff810096f0>] ? __switch_to+0xd0/0x320
Oct 23 16:09:43 <hostname> kernel: [<ffffffff8150d6e0>] ? thread_return+0x4e/0x76e
Oct 23 16:09:43 <hostname> kernel: [<ffffffff812f730e>] ? acpi_hw_write_port+0x43/0x98
Oct 23 16:09:43 <hostname> kernel: [<ffffffff812deafc>] ? acpi_os_execute_deferred+0x0/0x36
Oct 23 16:09:43 <hostname> kernel: [<ffffffffa028c82a>] acpi_pad_notify+0x1e/0x5b [acpi_pad]
Oct 23 16:09:43 <hostname> kernel: [<ffffffff812ee6bb>] acpi_ev_notify_dispatch+0x64/0x71
Oct 23 16:09:43 <hostname> kernel: [<ffffffff812deb25>] acpi_os_execute_deferred+0x29/0x36
Oct 23 16:09:43 <hostname> kernel: [<ffffffff81090ac0>] worker_thread+0x170/0x2a0
Oct 23 16:09:43 <hostname> kernel: [<ffffffff81096c80>] ? autoremove_wake_function+0x0/0x40
Oct 23 16:09:43 <hostname> kernel: [<ffffffff81090950>] ? worker_thread+0x0/0x2a0
Oct 23 16:09:43 <hostname> kernel: [<ffffffff81096916>] kthread+0x96/0xa0
Oct 23 16:09:43 <hostname> kernel: [<ffffffff8100c0ca>] child_rip+0xa/0x20
Oct 23 16:09:43 <hostname> kernel: [<ffffffff81096880>] ? kthread+0x0/0xa0
Oct 23 16:09:43 <hostname> kernel: [<ffffffff8100c0c0>] ? child_rip+0x0/0x20

Oct 23 16:09:43 <hostname> kernel: INFO: task power_saving/0:9455 blocked for more than 120 seconds.
Oct 23 16:09:43 <hostname> kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 23 16:09:43 <hostname> kernel: power_saving/ D 0000000000000001 0 9455 2 0x00000000
Oct 23 16:09:43 <hostname> kernel: ffff88042265ddc0 0000000000000046 0000000000000000 ffff88042265dd84
Oct 23 16:09:43 <hostname> kernel: 0000000000000000 ffff88042fc28600 ffff880028316700 00000000000001f9
Oct 23 16:09:43 <hostname> kernel: ffff8803ece17098 ffff88042265dfd8 000000000000fb88 ffff8803ece17098
Oct 23 16:09:43 <hostname> kernel: Call Trace:
Oct 23 16:09:43 <hostname> kernel: [<ffffffff8150ed3e>] __mutex_lock_slowpath+0x13e/0x180
Oct 23 16:09:43 <hostname> kernel: [<ffffffff8150ebdb>] mutex_lock+0x2b/0x50
Oct 23 16:09:43 <hostname> kernel: [<ffffffffa028c0ef>] power_saving_thread+0xd4/0x353 [acpi_pad]
Oct 23 16:09:44 <hostname> kernel: [<ffffffffa028c01b>] ? power_saving_thread+0x0/0x353 [acpi_pad]
Oct 23 16:09:44 <hostname> kernel: [<ffffffff81096916>] kthread+0x96/0xa0
Oct 23 16:09:44 <hostname> kernel: [<ffffffff8100c0ca>] child_rip+0xa/0x20
Oct 23 16:09:44 <hostname> kernel: [<ffffffff81096880>] ? kthread+0x0/0xa0
Oct 23 16:09:44 <hostname> kernel: [<ffffffff8100c0c0>] ? child_rip+0x0/0x20

Oct 23 16:09:44 <hostname> kernel: INFO: task power_saving/1:9456 blocked for more than 120 seconds.
Oct 23 16:09:44 <hostname> kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 23 16:09:44 <hostname> kernel: power_saving/ D 0000000000000000 0 9456 2 0x00000000
Oct 23 16:09:44 <hostname> kernel: ffff8804178a7dc0 0000000000000046 0000000000000000 ffff8804178a7d84
Oct 23 16:09:44 <hostname> kernel: 0000000000000000 ffff88042fc28400 ffff880028316700 0000000000000200
Oct 23 16:09:44 <hostname> kernel: ffff8803ece17af8 ffff8804178a7fd8 000000000000fb88 ffff8803ece17af8
Oct 23 16:09:44 <hostname> kernel: Call Trace:
Oct 23 16:09:44 <hostname> kernel: [<ffffffff8150ed3e>] __mutex_lock_slowpath+0x13e/0x180
Oct 23 16:09:44 <hostname> kernel: [<ffffffff8150ebdb>] mutex_lock+0x2b/0x50
Oct 23 16:09:44 <hostname> kernel: [<ffffffffa028c0ef>] power_saving_thread+0xd4/0x353 [acpi_pad]
Oct 23 16:09:44 <hostname> kernel: [<ffffffffa028c01b>] ? power_saving_thread+0x0/0x353 [acpi_pad]
Oct 23 16:09:44 <hostname> kernel: [<ffffffff81096916>] kthread+0x96/0xa0
Oct 23 16:09:44 <hostname> kernel: [<ffffffff8100c0ca>] child_rip+0xa/0x20
Oct 23 16:09:44 <hostname> kernel: [<ffffffff81096880>] ? kthread+0x0/0xa0
Oct 23 16:09:44 <hostname> kernel: [<ffffffff8100c0c0>] ? child_rip+0x0/0x20

Oct 23 16:11:44 <hostname> kernel: INFO: task kacpi_notify:235 blocked for more than 120 seconds.
Oct 23 16:11:44 <hostname> kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 23 16:11:44 <hostname> kernel: kacpi_notify D 0000000000000000 0 235 2 0x00000000
Oct 23 16:11:44 <hostname> kernel: ffff880429473b30 0000000000000046 0000000000000001 0000000000000001
Oct 23 16:11:44 <hostname> kernel: 0000000000000001 ffff8804201d3eb0 ffff880429473ab0 0000000000000000
Oct 23 16:11:44 <hostname> kernel: ffff88042944a638 ffff880429473fd8 000000000000fb88 ffff88042944a638
Oct 23 16:11:44 <hostname> kernel: Call Trace:
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8150e555>] schedule_timeout+0x215/0x2e0
Oct 23 16:11:44 <hostname> kernel: [<ffffffff812de96d>] ? acpi_os_release_object+0xe/0x12
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8150e1d3>] wait_for_common+0x123/0x180
Oct 23 16:11:44 <hostname> kernel: [<ffffffff81063310>] ? default_wake_function+0x0/0x20
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8150e2ed>] wait_for_completion+0x1d/0x20
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8109696b>] kthread_stop+0x4b/0xd0
Oct 23 16:11:44 <hostname> kernel: [<ffffffffa028c42a>] acpi_pad_idle_cpus+0xbc/0xd6 [acpi_pad]
Oct 23 16:11:44 <hostname> kernel: [<ffffffffa028c70c>] acpi_pad_handle_notify+0x96/0x196 [acpi_pad]
Oct 23 16:11:44 <hostname> kernel: [<ffffffff810096f0>] ? __switch_to+0xd0/0x320
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8150d6e0>] ? thread_return+0x4e/0x76e
Oct 23 16:11:44 <hostname> kernel: [<ffffffff812f730e>] ? acpi_hw_write_port+0x43/0x98
Oct 23 16:11:44 <hostname> kernel: [<ffffffff812deafc>] ? acpi_os_execute_deferred+0x0/0x36
Oct 23 16:11:44 <hostname> kernel: [<ffffffffa028c82a>] acpi_pad_notify+0x1e/0x5b [acpi_pad]
Oct 23 16:11:44 <hostname> kernel: [<ffffffff812ee6bb>] acpi_ev_notify_dispatch+0x64/0x71
Oct 23 16:11:44 <hostname> kernel: [<ffffffff812deb25>] acpi_os_execute_deferred+0x29/0x36
Oct 23 16:11:44 <hostname> kernel: [<ffffffff81090ac0>] worker_thread+0x170/0x2a0
Oct 23 16:11:44 <hostname> kernel: [<ffffffff81096c80>] ? autoremove_wake_function+0x0/0x40
Oct 23 16:11:44 <hostname> kernel: [<ffffffff81090950>] ? worker_thread+0x0/0x2a0
Oct 23 16:11:44 <hostname> kernel: [<ffffffff81096916>] kthread+0x96/0xa0
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8100c0ca>] child_rip+0xa/0x20
Oct 23 16:11:44 <hostname> kernel: [<ffffffff81096880>] ? kthread+0x0/0xa0
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8100c0c0>] ? child_rip+0x0/0x20

Oct 23 16:11:44 <hostname> kernel: INFO: task power_saving/0:9455 blocked for more than 120 seconds.
Oct 23 16:11:44 <hostname> kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 23 16:11:44 <hostname> kernel: power_saving/ D 0000000000000001 0 9455 2 0x00000000
Oct 23 16:11:44 <hostname> kernel: ffff88042265ddc0 0000000000000046 0000000000000000 ffff88042265dd84
Oct 23 16:11:44 <hostname> kernel: 0000000000000000 ffff88042fc28600 ffff880028316700 00000000000001f9
Oct 23 16:11:44 <hostname> kernel: ffff8803ece17098 ffff88042265dfd8 000000000000fb88 ffff8803ece17098
Oct 23 16:11:44 <hostname> kernel: Call Trace:
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8150ed3e>] __mutex_lock_slowpath+0x13e/0x180
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8150ebdb>] mutex_lock+0x2b/0x50
Oct 23 16:11:44 <hostname> kernel: [<ffffffffa028c0ef>] power_saving_thread+0xd4/0x353 [acpi_pad]
Oct 23 16:11:44 <hostname> kernel: [<ffffffffa028c01b>] ? power_saving_thread+0x0/0x353 [acpi_pad]
Oct 23 16:11:44 <hostname> kernel: [<ffffffff81096916>] kthread+0x96/0xa0
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8100c0ca>] child_rip+0xa/0x20
Oct 23 16:11:44 <hostname> kernel: [<ffffffff81096880>] ? kthread+0x0/0xa0
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8100c0c0>] ? child_rip+0x0/0x20

Oct 23 16:11:44 <hostname> kernel: INFO: task power_saving/1:9456 blocked for more than 120 seconds.
Oct 23 16:11:44 <hostname> kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 23 16:11:44 <hostname> kernel: power_saving/ D 0000000000000000 0 9456 2 0x00000000
Oct 23 16:11:44 <hostname> kernel: ffff8804178a7dc0 0000000000000046 0000000000000000 ffff8804178a7d84
Oct 23 16:11:44 <hostname> kernel: 0000000000000000 ffff88042fc28400 ffff880028316700 0000000000000200
Oct 23 16:11:44 <hostname> kernel: ffff8803ece17af8 ffff8804178a7fd8 000000000000fb88 ffff8803ece17af8
Oct 23 16:11:44 <hostname> kernel: Call Trace:
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8150ed3e>] __mutex_lock_slowpath+0x13e/0x180
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8150ebdb>] mutex_lock+0x2b/0x50
Oct 23 16:11:44 <hostname> kernel: [<ffffffffa028c0ef>] power_saving_thread+0xd4/0x353 [acpi_pad]
Oct 23 16:11:44 <hostname> kernel: [<ffffffffa028c01b>] ? power_saving_thread+0x0/0x353 [acpi_pad]
Oct 23 16:11:44 <hostname> kernel: [<ffffffff81096916>] kthread+0x96/0xa0
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8100c0ca>] child_rip+0xa/0x20
Oct 23 16:11:44 <hostname> kernel: [<ffffffff81096880>] ? kthread+0x0/0xa0
Oct 23 16:11:44 <hostname> kernel: [<ffffffff8100c0c0>] ? child_rip+0x0/0x20

Oct 23 16:13:44 <hostname> kernel: INFO: task kacpi_notify:235 blocked for more than 120 seconds.
Oct 23 16:13:44 <hostname> kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 23 16:13:44 <hostname> kernel: kacpi_notify D 0000000000000000 0 235 2 0x00000000
Oct 23 16:13:44 <hostname> kernel: ffff880429473b30 0000000000000046 0000000000000001 0000000000000001
Oct 23 16:13:44 <hostname> kernel: 0000000000000001 ffff8804201d3eb0 ffff880429473ab0 0000000000000000
Oct 23 16:13:44 <hostname> kernel: ffff88042944a638 ffff880429473fd8 000000000000fb88 ffff88042944a638
Oct 23 16:13:44 <hostname> kernel: Call Trace:
Oct 23 16:13:44 <hostname> kernel: [<ffffffff8150e555>] schedule_timeout+0x215/0x2e0
Oct 23 16:13:44 <hostname> kernel: [<ffffffff812de96d>] ? acpi_os_release_object+0xe/0x12
Oct 23 16:13:44 <hostname> kernel: [<ffffffff8150e1d3>] wait_for_common+0x123/0x180
Oct 23 16:13:44 <hostname> kernel: [<ffffffff81063310>] ? default_wake_function+0x0/0x20
Oct 23 16:13:44 <hostname> kernel: [<ffffffff8150e2ed>] wait_for_completion+0x1d/0x20
Oct 23 16:13:44 <hostname> kernel: [<ffffffff8109696b>] kthread_stop+0x4b/0xd0
Oct 23 16:13:45 <hostname> kernel: [<ffffffffa028c42a>] acpi_pad_idle_cpus+0xbc/0xd6 [acpi_pad]
Oct 23 16:13:45 <hostname> kernel: [<ffffffffa028c70c>] acpi_pad_handle_notify+0x96/0x196 [acpi_pad]
Oct 23 16:13:45 <hostname> kernel: [<ffffffff810096f0>] ? __switch_to+0xd0/0x320
Oct 23 16:13:45 <hostname> kernel: [<ffffffff8150d6e0>] ? thread_return+0x4e/0x76e
Oct 23 16:13:45 <hostname> kernel: [<ffffffff812f730e>] ? acpi_hw_write_port+0x43/0x98
Oct 23 16:13:45 <hostname> kernel: [<ffffffff812deafc>] ? acpi_os_execute_deferred+0x0/0x36
Oct 23 16:13:45 <hostname> kernel: [<ffffffffa028c82a>] acpi_pad_notify+0x1e/0x5b [acpi_pad]
Oct 23 16:13:45 <hostname> kernel: [<ffffffff812ee6bb>] acpi_ev_notify_dispatch+0x64/0x71
Oct 23 16:13:45 <hostname> kernel: [<ffffffff812deb25>] acpi_os_execute_deferred+0x29/0x36
Oct 23 16:13:45 <hostname> kernel: [<ffffffff81090ac0>] worker_thread+0x170/0x2a0
Oct 23 16:13:45 <hostname> kernel: [<ffffffff81096c80>] ? autoremove_wake_function+0x0/0x40
Oct 23 16:13:45 <hostname> kernel: [<ffffffff81090950>] ? worker_thread+0x0/0x2a0
Oct 23 16:13:45 <hostname> kernel: [<ffffffff81096916>] kthread+0x96/0xa0
Oct 23 16:13:45 <hostname> kernel: [<ffffffff8100c0ca>] child_rip+0xa/0x20
Oct 23 16:13:45 <hostname> kernel: [<ffffffff81096880>] ? kthread+0x0/0xa0
Oct 23 16:13:45 <hostname> kernel: [<ffffffff8100c0c0>] ? child_rip+0x0/0x20

Oct 23 16:13:45 <hostname> kernel: INFO: task power_saving/0:9455 blocked for more than 120 seconds.
Oct 23 16:13:45 <hostname> kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 23 16:13:45 <hostname> kernel: power_saving/ D 0000000000000001 0 9455 2 0x00000000
Oct 23 16:13:45 <hostname> kernel: ffff88042265ddc0 0000000000000046 0000000000000000 ffff88042265dd84
Oct 23 16:13:45 <hostname> kernel: 0000000000000000 ffff88042fc28600 ffff880028316700 00000000000001f9
Oct 23 16:13:45 <hostname> kernel: ffff8803ece17098 ffff88042265dfd8 000000000000fb88 ffff8803ece17098
Oct 23 16:13:45 <hostname> kernel: Call Trace:
Oct 23 16:13:45 <hostname> kernel: [<ffffffff8150ed3e>] __mutex_lock_slowpath+0x13e/0x180
Oct 23 16:13:45 <hostname> kernel: [<ffffffff8150ebdb>] mutex_lock+0x2b/0x50
Oct 23 16:13:45 <hostname> kernel: [<ffffffffa028c0ef>] power_saving_thread+0xd4/0x353 [acpi_pad]
Oct 23 16:13:45 <hostname> kernel: [<ffffffffa028c01b>] ? power_saving_thread+0x0/0x353 [acpi_pad]
Oct 23 16:13:45 <hostname> kernel: [<ffffffff81096916>] kthread+0x96/0xa0
Oct 23 16:13:45 <hostname> kernel: [<ffffffff8100c0ca>] child_rip+0xa/0x20
Oct 23 16:13:45 <hostname> kernel: [<ffffffff81096880>] ? kthread+0x0/0xa0
Oct 23 16:13:45 <hostname> kernel: [<ffffffff8100c0c0>] ? child_rip+0x0/0x20
Oct 23 16:13:45 <hostname> kernel: INFO: task power_saving/1:9456 blocked for more than 120 seconds.
Oct 23 16:13:45 <hostname> kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 23 16:13:45 <hostname> kernel: power_saving/ D 0000000000000000 0 9456 2 0x00000000
Oct 23 16:13:45 <hostname> kernel: ffff8804178a7dc0 0000000000000046 0000000000000000 ffff8804178a7d84
Oct 23 16:13:45 <hostname> kernel: 0000000000000000 ffff88042fc28400 ffff880028316700 0000000000000200
Oct 23 16:13:45 <hostname> kernel: ffff8803ece17af8 ffff8804178a7fd8 000000000000fb88 ffff8803ece17af8
Oct 23 16:13:45 <hostname> kernel: Call Trace:
Oct 23 16:13:45 <hostname> kernel: [<ffffffff8150ed3e>] __mutex_lock_slowpath+0x13e/0x180
Oct 23 16:13:45 <hostname> kernel: [<ffffffff8150ebdb>] mutex_lock+0x2b/0x50
Oct 23 16:13:45 <hostname> kernel: [<ffffffffa028c0ef>] power_saving_thread+0xd4/0x353 [acpi_pad]
Oct 23 16:13:45 <hostname> kernel: [<ffffffffa028c01b>] ? power_saving_thread+0x0/0x353 [acpi_pad]
Oct 23 16:13:45 <hostname> kernel: [<ffffffff81096916>] kthread+0x96/0xa0
Oct 23 16:13:45 <hostname> kernel: [<ffffffff8100c0ca>] child_rip+0xa/0x20
Oct 23 16:13:45 <hostname> kernel: [<ffffffff81096880>] ? kthread+0x0/0xa0
Oct 23 16:13:45 <hostname> kernel: [<ffffffff8100c0c0>] ? child_rip+0x0/0x20

Oct 23 16:15:45 <hostname> kernel: INFO: task kacpi_notify:235 blocked for more than 120 seconds.
Oct 23 16:15:45 <hostname> kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 23 16:15:45 <hostname> kernel: kacpi_notify D 0000000000000000 0 235 2 0x00000000
Oct 23 16:15:45 <hostname> kernel: ffff880429473b30 0000000000000046 0000000000000001 0000000000000001
Oct 23 16:15:45 <hostname> kernel: 0000000000000001 ffff8804201d3eb0 ffff880429473ab0 0000000000000000
Oct 23 16:15:45 <hostname> kernel: ffff88042944a638 ffff880429473fd8 000000000000fb88 ffff88042944a638
Oct 23 16:15:45 <hostname> kernel: Call Trace:
Oct 23 16:15:45 <hostname> kernel: [<ffffffff8150e555>] schedule_timeout+0x215/0x2e0
Oct 23 16:15:45 <hostname> kernel: [<ffffffff812de96d>] ? acpi_os_release_object+0xe/0x12
Oct 23 16:15:45 <hostname> kernel: [<ffffffff8150e1d3>] wait_for_common+0x123/0x180
Oct 23 16:15:45 <hostname> kernel: [<ffffffff81063310>] ? default_wake_function+0x0/0x20
Oct 23 16:15:45 <hostname> kernel: [<ffffffff8150e2ed>] wait_for_completion+0x1d/0x20
Oct 23 16:15:45 <hostname> kernel: [<ffffffff8109696b>] kthread_stop+0x4b/0xd0
Oct 23 16:15:45 <hostname> kernel: [<ffffffffa028c42a>] acpi_pad_idle_cpus+0xbc/0xd6 [acpi_pad]
Oct 23 16:15:45 <hostname> kernel: [<ffffffffa028c70c>] acpi_pad_handle_notify+0x96/0x196 [acpi_pad]
Oct 23 16:15:45 <hostname> kernel: [<ffffffff810096f0>] ? __switch_to+0xd0/0x320
Oct 23 16:15:45 <hostname> kernel: [<ffffffff8150d6e0>] ? thread_return+0x4e/0x76e
Oct 23 16:15:45 <hostname> kernel: [<ffffffff812f730e>] ? acpi_hw_write_port+0x43/0x98
Oct 23 16:15:45 <hostname> kernel: [<ffffffff812deafc>] ? acpi_os_execute_deferred+0x0/0x36
Oct 23 16:15:45 <hostname> kernel: [<ffffffffa028c82a>] acpi_pad_notify+0x1e/0x5b [acpi_pad]
Oct 23 16:15:45 <hostname> kernel: [<ffffffff812ee6bb>] acpi_ev_notify_dispatch+0x64/0x71
Oct 23 16:15:45 <hostname> kernel: [<ffffffff812deb25>] acpi_os_execute_deferred+0x29/0x36
Oct 23 16:15:45 <hostname> kernel: [<ffffffff81090ac0>] worker_thread+0x170/0x2a0
Oct 23 16:15:45 <hostname> kernel: [<ffffffff81096c80>] ? autoremove_wake_function+0x0/0x40
Oct 23 16:15:45 <hostname> kernel: [<ffffffff81090950>] ? worker_thread+0x0/0x2a0
Oct 23 16:15:45 <hostname> kernel: [<ffffffff81096916>] kthread+0x96/0xa0
Oct 23 16:15:45 <hostname> kernel: [<ffffffff8100c0ca>] child_rip+0xa/0x20
Oct 23 16:15:45 <hostname> kernel: [<ffffffff81096880>] ? kthread+0x0/0xa0
Oct 23 16:15:45 <hostname> kernel: [<ffffffff8100c0c0>] ? child_rip+0x0/0x20

Resolution :

At the time that this article was written, there is no fix by RedHat for this issue. Please visit https://access.redhat.com/site/solutions/224673 for any updates on a resolution.

Workaround :

Add the kernel boot parameter "acpi_pad.disable=1" (without quotes) if there is no danger of the CPUs overheating.





Quick Tips content is self-published by the Dell Support Professionals who resolve issues daily. In order to achieve a speedy publication, Quick Tips may represent only partial solutions or work-arounds that are still in development or pending further proof of successfully resolving an issue. As such Quick Tips have not been reviewed, validated or approved by Dell and should be used with appropriate caution. Dell shall not be liable for any loss, including but not limited to loss of data, loss of profit or loss of revenue, which customers may incur by following any procedure or advice set out in the Quick Tips.

Identificateur de l'article : SLN283197

Date de la dernière modification : 10/03/2014 12:21 PM


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