USB device connected with qvm-usb cause problems on suspend

[marmarek]

Qubes OS version:

R4.0

Affected component(s):

usb-proxy

---

Steps to reproduce the behavior:

1. Use qvm-usb to assign device from sys-usb to sys-net (like 3G modem).
2. Try to suspend the system

Expected behavior:

System suspend successfully.

Actual behavior:

A long timeout (~60sec) after which system seemingly suspend. But after resume, sys-usb is not working and in some cases sys-net neither.

General notes:

I think it depends on suspend order - if one end of qvm-usb connection is suspended before the other, that other fails to suspend.

One solution would be to detach all such devices before suspend. It may be enough to force those USB devices suspend in appropriate order.

[andrewdavidwong]

A long timeout (~60sec) after which system seemingly suspend. But after resume, sys-usb is not working and in some cases sys-net neither.

I'm confused. The issue title and most of the description imply that the machine is prevented from suspending, but the phrase "after resume" implies that it actually did suspend, otherwise there would be nothing to "resume" from.

If the machine actually does suspend, then this seems very similar to #4042.

and in some cases sys-net neither.

Branched to #4658.

[marmarek]

If the machine actually does suspend, then this seems very similar to #4042.

Indeed it looks similar, but I think it's still different. This is specifically caused by qvm-usb, #4042 looks to be independent of qvm-usb.

[qubesos-bot]

Automated announcement from builder-github

The package app-linux-usb-proxy has been pushed to the r4.1 testing repository for the CentOS centos-stream8 template.
To test this update, please install it with the following command:

sudo yum update --enablerepo=qubes-vm-r4.1-current-testing

Changes included in this update

[qubesos-bot]

Automated announcement from builder-github

The component app-linux-usb-proxy (including package qubes-usb-proxy-dom0-1.1.2-1.fc32) has been pushed to the r4.1 testing repository for dom0.
To test this update, please install it with the following command:

sudo qubes-dom0-update --enablerepo=qubes-dom0-current-testing

Changes included in this update

[qubesos-bot]

Automated announcement from builder-github

The package qubes-usb-proxy_1.1.2 has been pushed to the r4.1 testing repository for the Debian template.
To test this update, first enable the testing repository in /etc/apt/sources.list.d/qubes-*.list by uncommenting the line containing buster-testing (or appropriate equivalent for your template version), then use the standard update command:

sudo apt-get update && sudo apt-get dist-upgrade

Changes included in this update

[qubesos-bot]

Automated announcement from builder-github

The package app-linux-usb-proxy has been pushed to the r4.1 stable repository for the CentOS centos-stream8 template.
To install this update, please use the standard update command:

sudo yum update

Changes included in this update

[qubesos-bot]

Automated announcement from builder-github

The package qubes-usb-proxy_1.1.2+deb10u1 has been pushed to the r4.1 stable repository for the Debian template.
To install this update, please use the standard update command:

sudo apt-get update && sudo apt-get dist-upgrade

Changes included in this update

[qubesos-bot]

Automated announcement from builder-github

The component app-linux-usb-proxy (including package qubes-usb-proxy-dom0-1.1.2-1.fc32) has been pushed to the r4.1 stable repository for dom0.
To install this update, please use the standard update command:

sudo qubes-dom0-update

Or update dom0 via Qubes Manager.

Changes included in this update