[Kernel-packages] [Bug 887793] Re: [HP 6710b] Kworker constantly taking about 100% CPU

The problem also appears with longterm kernel 3.2.57 root@logserver:/sys/module# cat /proc/version_signature Ubuntu 3.2.0-63.95-generic 3.2.57 root 463 0.0 0.0 0 0 ?SJun29 0:04 [kworker/18:1] root 465 17138717 0.0 0 0 ?SJun29 21114581:36 [k

[Kernel-packages] [Bug 1328866] [NEW] rcu_bh detected stall alway occur

Public bug reported: I have many server running on Ubuntu 12.04 LTS kernel 3.2.0-23-generic, but something strange happened in recently. [rcu_bh detected stall] happend many times.Sometime kernel will die,sometime just a warning in dmesg when [rcu_bh detected stall] happen. ***