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Laptop randomly freezes. How to debug it?
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Looks like the chipset/graphics driver is crashing. That can be because of the driver or the hardware.
It will be hard to diagnose, but you can search for the most detailed of those log lines together with your laptop model and see if that yields anything. There problem is that it's never possible to know whether you have a software issue or a hardware issue that is exposed by particular software.
You can try installing a completely different os (i.e windows) to see if the same problem occurs - if it does you can be fairly sure it's hardware.