BUG: soft lockup - CPU#1 stuck for 61s! [kdmflush:275]

[Steven Wagner]

Machine became mostly unresponsive. Here is the errors.

Jul 9 12:29:56 newmonster kernel: [ 1819.163856] BUG: soft lockup - CPU#1 stuck for 61s! [kdmflush:275]

Jul 9 12:31:38 newmonster kernel: [ 1922.179474] INFO: task apache2:4869 blocked for more than 120 seconds.
Jul 9 12:31:38 newmonster kernel: [ 1922.179477] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.

See attachment for full log.

[Philip Muškovac (yofel)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Unfortunately, we can't fix it without more information.

Please run the following command which will attach necessary information:

apport-collect 603799

Bear in mind that when prompted to give apport-collect permissions for Launchpad you will need to give it at least the ability to "Change Non-Private" data as it will be adding information to your bug report.

If you cannot use apport please at least add the following information (pay attention to lspci's additional options):
First run the following commands:
1) uname -a > uname-a.log
2) dmesg > dmesg.log
3) sudo lspci -vvnn > lspci-vvnn.log
4) cat /proc/version_signature > version.log
then attach the files separately to the bug report (not pasted into comments or tar/zip-ed).

For your reference, the full description of procedures for kernel-related bug reports is available at https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies. Thanks in advance!

[Jeremy Foshee (jeremyfoshee)]

This bug report was marked as Incomplete and has not had any updated comments for quite some time. As a result this bug is being closed. Please reopen if this is still an issue in the current Ubuntu development release http://cdimage.ubuntu.com/daily-live/current/ . Also, please be sure to provide any requested information that may have been missing. To reopen the bug, click on the current status under the Status column and change the status back to "New". Thanks.

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