Recent stability issues with *buntu 14.04?

[John Hupp]

On 5/11/2015 4:05 PM, compdoc wrote:
>> A Lubuntu 14.04 i386 machine that also runs an LTSP server has locked up
> hard 3 times since 5/7.
>
>
> I think there was a notice about a recent kernel update that was causing
> problems like this. A fix was just released. Be sure to dist-upgrade.
>

Someone on the Lubuntu list identified that as 
http://www.ubuntu.com/usn/usn-2598-2/

However, I already have the patched kernel so perhaps I have a different 
problem.