Qubes is very slow to shutdown after 4.2 update

User Support
1

i’ve noticed after the 4.2 update, qubes takes a while to shutdown. When i shutdown the screen shows the grey bakcground with white Q symbol and a loading bar. It often takes 3-5 minutes to shutdown. Normally it took 30 seconds on 4.1

Any reason to why?

2

Press Esc key here, maybe you’ll see where does it stalls in the shutdown log.

2 Likes
3

The same thing happened to me, are you also using an nvidia card?

I switched to kernel-latest and the long shutdown issue disappeared, however dom0 can no longer run at 144 GHz 3440x1440. Now it can only output 100 GHz.

4

yes i have nvdia card but i dont think its being used by qubes at all. Havent figured out how to install drivers for it

5

thanks. Will try this and report back

6

i pressed esc key but nothing happened. How can i access the shutdown log

7

By nothing happens do you mean that the screen still shows the grey background with white Q symbol and a loading bar when you press Esc key?
Then try to press this key as soon as you see this screen. Maybe it’s freezing later at some point.

8

yes, exactly as you described. But theres a black screen for about 10-15 secs first. Will try again

9

Try pressing Esc key multiple times if you only tried to press it one time, it should switch between console log output and plymouth.

10

how can i export the shutdown log?

11

You can check the log using journalctl command in dom0.
If you want to save it in file you can do it like this:

journalctl > journalctl.log
1 Like
12

i still wasnt able to get to console

13

Do you use USB keyboard with sys-usb?
Maybe sys-usb is stopping so your USB keyboard is no longer usable on shutdown.

14

yes, im using usb keyboard. But i press ‘esc’ on my built in keyboard… also i think its important to consider my manufacturer has the wierd ps/2 keyboard setup so if sysusb is off it wont work either. Maybe thats the culprit?

How can i disable it? From the UEFI settings in startup?

15

Are you using BTRFS by any chance?

I have noticed a general slowdown when doing any disk heavy activities with BTRFS.

16

how do i find out if im using it or not?

17

Yesterday, out of nowhere the same started to happen to me as well.

Btrfs, NVIDIA dGPU.

I suspect it has something to do with NVIDIA, because actually I’m booting in Optimus mode, and using NVIDIA for Win and/or sys-gui-gpu qubes. Shutting down Win and Linux qubes with NVIDIA attached take now 5 minutes or so as well, unlike seconds couple of days ago. Shutting down Win and Linux qubes without NVIDIA take seconds, as usual. Even after that, laptop restart/shutdown takes additional 5-ish minutes. I always manually shut down all qubes first, before restart/shut down Qubes, so it’s not about graceful shutdown

So this is some bug definitely. Whose one’s, not sure.

18

I have nvidia gpu but not install/attached to any of my qubes.

Try hitting the ‘start’ key and spacebar at the same time. It shows some logs

When my machine is shutting down the logs show something along the lines of

started crond.dservice
starting lightdm.service
starting plymouth-quit-wait.service -hold until boot process finishes up.
starting systemd-hostnamed.service - Hostname Service…
The system is going down for poweroff NOW! [Timestamp]:

i can send screenshots if needed