Recent stability issues with *buntu 14.04?

[John Hupp]

On 5/11/2015 4:09 PM, lst_hoe02 at kwsoft.de wrote:
>
> Zitat von John Hupp <lubuntu at prpcompany.com>:
>
>> On 5/11/2015 2:47 PM, Nio Wiklund wrote:
>>> Den 2015-05-11 20:30, John Hupp skrev:
>>>> A Lubuntu 14.04 i386 machine that also runs an LTSP server has 
>>>> locked up
>>>> hard 3 times since 5/7.  I took note in the latest lockup that I was
>>>> logged in and just running the file manager, and that one thin client
>>>> was logged in but not doing anything.
>>>>
>>>> Not even the magic syskeys would get me out gracefully, so I had to 
>>>> do a
>>>> hard shutdown in all 3 cases.
>>>>
>>>> The last syslog entry was 15 minutes prior to the lockup, so no clues
>>>> there.
>>>>
>>>> Has anyone else with a similar configuration noticed any stability
>>>> issues recently?
>>>>
>>> Hi John,
>>>
>>> I would suspect hardware problems.
>>>
>>> Best regards
>>> Nio
>>
>> A worthy thought.  Unless I hear from others about such a pattern, 
>> that will become my working theory.
>
> Have you update to the latest kernel? The previous one had a 
> "regression" because of a security fix:
>
> http://www.ubuntu.com/usn/usn-2598-2/
>
> Regards
>
> Andreas
>

Thanks to all for the several replies, and to Andreas for the 
particulars.  However, I find that I have the patched kernel installed 
and also included in the terminal server image.

So unless there is still an unpatched kernel issue, or an unidentified 
software problem, I may have to fall back to the idea that it is a 
hardware issue.