[Bug 1868780] Re: [virtio] Xubuntu 20.04 - Blank screen after login

2021-03-30 Thread Paul Donohue
The problem is that Xfwm's built-in compositor and virgl don't play nice together. Work-around: Boot the VM with virgl=off (on the video device) or gl=off (on the display), run xfwm4-tweaks-settings in the VM, select the "Compositor" tab, and uncheck "Enable display compositing". Then shut down t

[Bug 1868780] Re: [virtio] Xubuntu 20.04 - Blank screen after login

2020-03-29 Thread Daniel van Vugt
I can't see anything graphics-related happening or going wrong. This sounds like a lightdm problem. Maybe this is it: Mar 28 10:16:56 testvm lightdm[934]: pam_succeed_if(lightdm:auth): requirement "user ingroup nopasswdlogin" not met by user "test" ** Package changed: xorg-server (Ubuntu) => li

[Bug 1868780] Re: [virtio] Xubuntu 20.04 - Blank screen after login

2020-03-28 Thread Mike Glover
Another prevboot file. I left the machine running with the black screen for longer. ** Attachment added: "prevboot2.txt" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1868780/+attachment/5342442/+files/prevboot2.txt -- You received this bug notification because you are a member

[Bug 1868780] Re: [virtio] Xubuntu 20.04 - Blank screen after login

2020-03-26 Thread Daniel van Vugt
Thanks but for some reason that log is truncated and missing most of the boot. Please repeat the steps in comment #9. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1868780 Title: [virtio] Xubuntu 20

[Bug 1868780] Re: [virtio] Xubuntu 20.04 - Blank screen after login

2020-03-26 Thread Mike Glover
See attached: ** Attachment added: "prevboot.txt" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1868780/+attachment/5341849/+files/prevboot.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.ne

[Bug 1868780] Re: [virtio] Xubuntu 20.04 - Blank screen after login

2020-03-25 Thread Daniel van Vugt
Please: 1. Reproduce the blank screen again and then immediately reboot. So the blank screen was the last issue near the end of the system log... 2. Now log in any way that avoids the blank screen so you can open a terminal and run: journalctl -b-1 > prevboot.txt 3. Attach the file 'prevboot

[Bug 1868780] Re: [virtio] Xubuntu 20.04 - Blank screen after login

2020-03-25 Thread Mike Glover
Not found anymore .crash files. But I have found a workaround. To reproduce the fix: - Boot up the xubuntu machine in QuickEMU (Martin Wimpress QEMU script) - Get to the login screen - Change the session from Xubuntu to Xfce - Type in password and Enter and the desktop appears as normal. If

[Bug 1868780] Re: [virtio] Xubuntu 20.04 - Blank screen after login

2020-03-25 Thread Daniel van Vugt
Bug 1238747 might be the cause of this bug, or it might be a separate unrelated crash. I don't know enough about XFCE to be able to tell. Next please redo all the steps in comment #3 in case there is another different crash. -- You received this bug notification because you are a member of Ubunt

[Bug 1868780] Re: [virtio] Xubuntu 20.04 - Blank screen after login

2020-03-25 Thread Mike Glover
Had an email to say it is a duplicate of https://bugs.launchpad.net/bugs/1238747 So maybe thats why its private? Sorry I'm new to all this and learning. :) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bug

[Bug 1868780] Re: [virtio] Xubuntu 20.04 - Blank screen after login

2020-03-25 Thread Daniel van Vugt
Thanks. I can't seem to access bug 1868930 so I guess it's probably private. I'll wait for the bots to process it and it should become public soon. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1868780

[Bug 1868780] Re: [virtio] Xubuntu 20.04 - Blank screen after login

2020-03-25 Thread Mike Glover
I had to complete step 3 in order to get a crash file as step 1 had no crash files. ID of newly-created bug is 1868930 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1868780 Title: [virtio] Xubuntu