[ale] Dealing with System Lock Up

[Beddingfield, Allen]

You could also enable sending syslog events to a remote system - that may capture something more than is written to disk immediately before the system freezes.

Sent from my iPhone

> On Jan 15, 2015, at 11:43 AM, JD <jdp at algoloma.com> wrote:
> 
> How much swap?  I found I had to double it on my netbook with 2G. 2G swap just
> isn't enough with these huge browsers sucking all the system RAM.
> 
> Besides that, checking the /var/logs before rebooting would be good.
> 
> 
>> On 01/15/2015 11:20 AM, Gregory Beyer wrote:
>> Hi,
>> 
>> I've been having a chronic problem with my system locking up, leaving me with no
>> alternative but to Alt-SysRq+REISUB.
>> 
>> Better than finding ways to *respond* to this situation, I would really like to
>> get to _root_ cause and solve it.   Where does the group suggest I look,
>> post-reboot, to find out what caused the lockup?  There must be some clues
>> logged somewhere.   I would appreciate any ideas.
>> 
>> I'm running Ubuntu 14.4, with MATE 1.8.1.   4 GB RAM,  300 GB + free disk.
>> 
>> Lockup seems to happen frequently when I find a Firefox pop-up stating: "A
>> script has stopped running, do you want to stop or wait?"   Sometimes I can
>> click stop, and get things going again, other times, the pointer will not move,
>> mouse will not click.  Alt+tab won't swap windows - total system freeze.  On
>> other occasions there is no FF pop-up symptom . . . system just freezes.
>> 
>> Ctrl+alt+backspace *should* kill my X session, but it has no effect, seems to be
>> disabled (?)   I would like to re-enable this.    Can anyone suggest how?  
>> 
>> Likewise, Alt+sysreq+K *should* kill all processes, but again, this has no
>> effect.  How can I re-enable?
>> 
>> I finally have to resort to alt+sysreq+REISUB which does work, BUT that is
>> pretty much a hard boot, I loose all of my work not saved, and frankly, one
>> should not have to use a three-finger salute on a linux PC  ala Windows to
>> regain control.  Linux just should not be doing this.
>> 
>> Thanks very much for any ideas where to go from here!
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