Laptop lockup

Neil Cherry ncherry at
Wed Feb 20 13:47:18 UTC 2008

andy baxter wrote:
> Neil Cherry wrote:
>> I've got a problem where if I leave my laptop on over night it will
>> be locked up the next day. This started just after upgrading to
>> 7.10 (I was on 7.04). When I get up and attempt to use the laptop
>> I find that the CPU side is warmer than when it's normally running
>> properly and that the screen is blank and there is no response
>> to the keyboard or mouse. At this point I have to hold the power
>> switch for about 10 seconds.
>> Here's what I see in the log file /var/log/messages
>> Feb 16 02:19:02 Toshiba -- MARK --
>> Feb 16 02:39:02 toshiba -- MARK --
>> Feb 16 06:57:06 toshiba syslogd 1.4.1#20ubuntu4: restart.
>> Feb 16 06:57:06 toshiba kernel: Inspecting /boot/
>> Feb 16 06:57:06 toshiba kernel: Loaded 24980 symbols from 
>> /boot/
>> Feb 16 06:57:06 toshiba kernel: Symbols match kernel version 2.6.20.
>> Feb 16 06:57:06 toshiba kernel: No module symbols loaded - kernel modules 
>> not enabled.
>> Then the reset of the reboot. I did not have this problem with
>> 7.04.
>> PS, during a lock up the fan is still running.
>> Thanks
> It could be something to do with the cron jobs which run at 6.25 every 
> morning. Maybe try either getting up for that time, or manually run the 
> command:
> run-parts --report /etc/cron.daily
> from a root shell, and see of that makes it hang (which might take a 
> while as these jobs take some time to finish)

The crashes are not consistent, they happen at random times but I
will check that out.


Linux Home Automation         Neil Cherry       ncherry at                         Main site                    My HA Blog
Author of:    	Linux Smart Homes For Dummies

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