PC is freezing when running glxgears after several hours

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11 May 2021 03:28 #208518 by thang
My testing system include:
+ CPU Intel celeron J1900
+ 4 gb ram
+ ssd 120gb
+ Ubuntu os with preempt rt 4.9
It's freezing when i run glxgears after several hours and i think this problem relate to realtime kernel because it happen only when i running system under realtime kernel.
If anyone have exp about this problem?

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11 May 2021 03:51 #208520 by BeagleBrainz
Is it a complete lockout or just a lockout of the GUI.

Can you ping or ssh into the affected machine after it freezes ?

Have you looked into any of the logs after a reboot ?

Seems like a common problem with the J1900 with or without a RT kernel.

You could try and modify the kernel command line by adding this
intel_idle.max_cstate = 1

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11 May 2021 09:22 #208530 by thang
tks for the advice, i will try it

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12 May 2021 09:07 - 12 May 2021 09:08 #208613 by thang
So my PC is laggy and not complete freezing, i still can move mouse, ssh and ping from other PC, it just drop FPS and CPU run 100%.
I modified the kernel cmd line in Grub but nothing change
Last edit: 12 May 2021 09:08 by thang.

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