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I was running Ubuntu 20.04.1 and suddenly my laptop would freeze and lock up completely. It is not responsive to mouse and keyboard. I tried Alt+F2 to restart GNOME Shell.

The background video playing on the browser (YouTube) also stops, so I pressed Ctrl+Alt+Del. My SSH connection was also not working at that time.

I tried changing my GRUB to intel_idle.max_cstate=1. I deleted the additional NVIDIA drivers and just worked with my Intel graphics card, but it also didn't work. I tried searching for logs at the time when it froze, but I found nothing.

I dual boot windows and I have 8 GB of RAM and 2GB swap space. The freeze happens at random times. It sometimes freezes when I just login where there are no programs running. I even changed my kernel version. I am sure that it is not problem with my hardware. Windows works fine. I have tried almost everything I found on internet but nothing worked. Can anyone help me Please?

My laptop's specs are:

Device name: Inspiron 7591
Memory=7.6 Gib
Processor=Intel Core i7-9750HCPU@2.60GHz x 12
Graphics Intel UHD Graphics 630
//Other Graphics : Nvidia 1650 GTX (I am not using this one)
Gnome 3.28.2
OS type 64 bit
Disk 105.2 GB

Since nothing worked for me I switched to 18.04.01, but the same problem arised.

$ uname -a
Linux inspiron 5.0.0-23-generic #24~18.04.1-Ubuntu SMP Mon Jul 29 16:12:28 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux***
**usr@mypc: last**

spd      :0           :0               Fri Jun 11 06:58   still logged in

reboot   system boot  5.0.0-23-generic Fri Jun 11 06:58   still running

reboot   system boot  5.4.0-74-generic Fri Jun 11 06:56   still running

spd      :0           :0               Thu Jun 10 20:21 - down   (01:14)

reboot   system boot  5.4.0-74-generic Thu Jun 10 20:21 - 21:35  (01:14)

spd      :0           :0               Thu Jun 10 18:28 - 19:53  (01:24)

reboot   system boot  5.4.0-74-generic Thu Jun 10 18:28 - 19:53  (01:25)

spd      :0           :0               Thu Jun 10 18:26 - down   (00:00)

reboot   system boot  5.4.0-74-generic Thu Jun 10 18:26 - 18:26  (00:00)

spd      :0           :0               Thu Jun 10 18:20 - 18:25  (00:05)

reboot   system boot  5.0.0-23-generic Thu Jun 10 18:20 - 18:25  (00:05)

spd      :0           :0               Thu Jun 10 17:41 - 18:14  (00:32)

reboot   system boot  5.4.0-74-generic Thu Jun 10 17:40 - 18:14  (00:33)

spd      :0           :0               Thu Jun 10 17:39 - 17:40  (00:00)

reboot   system boot  5.4.0-74-generic Thu Jun 10 17:38 - 17:40  (00:01)

spd      :0           :0               Thu Jun 10 17:07 - down   (00:30)

reboot   system boot  5.4.0-74-generic Thu Jun 10 17:07 - 17:38  (00:31)

spd      :0           :0               Thu Jun 10 13:52 - **crash  (03:14)**

And similar. I am not sure what this crash is.

Today, 2021 Jun 11 6:57, my laptop froze again and I got the logs form journalctl just few seconds before. This is very long so I uploaded it in a pastebin.

Hope someone will find the problem. I couldn't understand it.

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