I have random reboots with my ThinkPad P14s Gen4 with Linux Mint 22.1 (XIA) 
which is based on Ubuntu.
The error seems to occur not only with Mint, but all Linux distributions that 
have kernel 6.8 in conjunction with dual graphics (onboard and NVIDIA).

I have a problem with random reboots with kernel 6.8 and nvidia.

I bought a brand new ThinkPad P14s Gen4 and am running it in dual boot
with Windows 11 and a freshly installed Mint 22.1 (XIA).

The computer crashes randomly and there are no error messages in the
logs that provide information about the cause. Hardware was checked and
shows no heat failures and the rest of the hardware analysis was without
errors. The computer does not crash under Windows 11 and when the NVIDA
performance mode is activated. Only when onboard graphics or NVIDIA is
selected on demand. It also crashes when other graphics drivers, nvidia
550, 535, 470 or the nouveau driver are selected. Unless the performance
mode is running.

Apparently the problem does not exist under Kernel 6.5. To my knowledge,
however, it cannot be operated under Mint 22.1.

Does anyone have any ideas on how to fix this?
As the battery runs out quickly when performance mode is activated and I don't 
always use the notebook in the docking station.

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https://bugs.launchpad.net/bugs/2084190

Title:
  Ubuntu 24.04 crashes occasionally on Thinkpad P14s

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