I just bought an Acer Swift 3 SF314-56-35xs model N17W7 and installed Ubuntu 18.04 LTS (kernel 5.0.0-29-generic).

It works, but every 5 minutes or so, the whole system freezes temporarily. I can move the mouse pointer, but nothing is responsive. Nothing happens when I click or type on the keyboard. UI is completely frozen.

After like 2 minutes, the system unfreezes, and key presses etc "catch up".

dmesg gives the following output:

nvme nvme0: I/O 493 QID 1 timeout, completion polled
nvme nvme0: I/O 837 QID 3 timeout, completion polled
nvme nvme0: I/O 348 QID 4 timeout, completion polled

and things like

systemd-journald.service: Start operation timed out. Terminating
snapd.service: Start operation timed out. Terminating
snapd.service: State 'stop-sigterm' timed out. Killing.
Failed to start Journal Service.
Failed to start Snappy daemon.

Based on this post I've tried adding the following GRUB_CMDLINE_LINUX parameters...


...but the problem with temporary freezes persists.

Any idea what the freezes could be due to would be greatly appreciated.

Processor: i3-8145U
Graphics: UHD Graphics 620

Full specs

Update: The dmesg output repeats over and over, but seem to only start being generated after suspend/resume.

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