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SubjectRe: schedule_timeout: wrong timeout value
kyle wrote:
> Hi,
>
> Recently my mysql servershows something like:
> Dec 18 18:24:05 sql kernel: schedule_timeout: wrong timeout value
> ffffffff from c0284efd
> Dec 18 18:24:36 sql last message repeated 19939 times
> Dec 18 18:25:37 sql last message repeated 33392 times
>
> from syslog every 1 or 2 days. Whenever the messages show, mysql server
> stop accept new connections from the same network, and I need to restart
> the mysql service and then it will keep running well for 1-2 days until
> the messages show up again.
>
> The server has been running over 1 year without any problem, the problem
> started show up around 2 weeks ago. It's running kernel 2.6.12, and
> mysql server, nothing else. Hardware is Pentium 4 2.8GHz with
> hyperthreading enabled.
>
> What does the kernel message mean and why it make mysql stop accept new
> connections? Is it hardware problem or try upgrade the kernel may help?
> Please CC me if possible. Thank you

The message means some code in the kernel or in some module passed a
negative value to schedule_timeout which it shouldn't have. The c0284efd
value is the address of the function that made the call - you may be
able to look that up in your /proc/ksyms or the System.map file and
figure out what function that is..

--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/

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