Additional dmesg output, right after the problem appears for the first time (sometime after booting, definitely not related to suspend as I supposed in my first message).
** Attachment added: "dmesg-2.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1849917/+attachment/5303375/+files/dmesg-2.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1849917 Title: [iwlwifi] Repeated kernel crashes in iwl_mvm_async_handlers_wk cause GUI stuttering in kernel 5.3 (but 5.0 has no problem) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1849917/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs