Created attachment 140608 [details]
Intel bug file
We using ubuntu on desktop. Some desktops are tool old. There is two machines with identical configuration. After installing on it new version of ubuntu (16.04->18.04) users cannot work as early. XServer crashes while increasing the load on the processor (we think so).
Our typical case is using Intel for run Xserver. Nvidia for GPU calculations. We tried upgrade a kernel to latest stable mainline (4.17.4-041704-generic) but unfortunately this does not help.
Running X on nvidia is stable, but gpu memory is used.
Created attachment 140609 [details]
Some of kern.log
A few hours before the crash, the core of the system began to swear.
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