[Bug 2083940] [NEW] Dell G15 5530 instability using Ubuntu Desktop 22.04.05 or 24.04 with 6.8 kernel

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I own a Dell G15 5530 laptop and have had a challenging experience using Ubuntu Desktop.
First experience: Received the laptop in June with Windows 11. Downloaded the version of 24.04 available at the time, and installed it - found it to be very unstable
Second experience: I downloaded Ubuntu Desktop 22.04 (probably .3 or .4 with the 6.0 or 6.5 kernel) and installed that instead, and it was much more stable. The 22.04 distribution was also the version tested and certified by Dell and Ubuntu, so I decided to go with that instead. Yay, problem solved - or so I thought.
Third experience: I didn't use the laptop much over the summer, but came back to it this week. Naturally, I used APT to upgrade the 22.04 software components to the latest and greatest -- and the instability returned as the the kernel was updated to 6.8. Typically browsing in Chrome, at some random point one tab would freeze, then Chrome would freeze, then other elements of the Gnome desktop would freeze, then the mouse and keyboard would freeze.
Since the laptop was still relatively new to me, I restored the Windows 11 with SupportAssist to determine whether there could be hardware issues and experienced no freezes. For now, I've reconfigured dual-boot with Ubuntu Desktop 22.04.4 with the 6.5.0-18-generic kernel and Nouveau, which seems stable this morning so far. I'm concerned that updating the operating system (kernel specifically) or installing a proprietary nVidia driver will re-introduce instability.

This G15 5530 model includes an i5-13450HX processor, nVidia RTX 4050
6GB, AX201 wireless, 16GB of RAM.

Wondering if any specific later versions of the kernel would resolve
this issue based on the experiences of others, or whether certain
versions of the graphics driver have been found to be more stable than
others with the 4050 card. I'm happy to provide more specific hardware
information or logs, and do take some troubleshooting measures --
although my goal is to eventually have a stable system for work.

Please note others have reported this issue in Dell forums and tried
different things with variable success, but the most stable option seems
to be 6.5 kernel with Nouveau for now.
https://www.dell.com/community/en/conversations/linux-
general/dell-g15-5530-ubuntu-2204-lts-random-
crash/66c5bd7796bc9473fe644b66

** Affects: linux (Ubuntu)
Importance: Undecided
Status: New


** Tags: bot-comment
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Dell G15 5530 instability using Ubuntu Desktop 22.04.05 or 24.04 with 6.8 kernel
https://bugs.launchpad.net/bugs/2083940
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