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PiRK avatar Ubuntu

cannot login after upgrade to 21.10

es flag
PiRK

After upgrading from Ubuntu 21.04 to 21.10, the login widget (the one with my username where I can type my password) no longer shows up when I start the computer.

If I push ctrl + alt +F5 , I see 3 lines of error messages, something about rtl_usb reg0x80 usbctrl_vendor req timeout, rtl8192c_common is not ready to run, and the network not being available. I don't get a prompt to type in my username and password.

If I reboot in recovery mode, I get the same symptoms in the GUI mode (no way to log in), but with ctrl + alt + F5 I can now log-in and type startx . After that everything works as normal, until I reboot.

I tried reinstalling from scratch, in case this was caused by me fiddling with configuration files in the past. But I get the same symptoms with a fresh install.

EDIT: just to be clear, I don't get a login widget but I'm in some sort of GUI environment. I can click on the date and get a calender (top middle of the screen), and I can access the "shutwodn / sleep : reboot" menu (top right of the screen). And those tools are working. But the rest of the screen is just the purple background image, I'm missing any way to select my username and type in my password.

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PiRK avatar
es flag
PiRK
At this point I'm ready to downgrade back to 21.04 if that fixes my issue. Is this even possible? I would like to avoid another install from scratch (tired of doing backups and then having to restore my entire work environment).
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Nmath avatar
ng flag
Nmath
No you cannot downgrade and 21.04 will be EOL soon. Are you sure that your reinstall was a clean installation and that you didn't just install on top of your existing installation? Are you also sure your installation media is valid and passes all integrity checks? You could also install 20.04, which as an LTS is naturally more stable and has 5 years of support instead of 9 months for standard releases.
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darth_epoxy avatar
nl flag
darth_epoxy
Give this a goi. Get yourself logged-in using you r start-x method and then open a terminal. Tyle `sudo systemctl set-default graphical.target`and then reboot.
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PiRK avatar
es flag
PiRK
@darth_epoxy I was able to reboot once after that command (but that happened a couple of times before also, after rebooting in recovery mode), then the same symptoms are back. Except the error message changed when trying `ctrl + alt + F5`: `failed to Start Process error reports when automatic reporting is enabled` (repeated multiple times)
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PiRK avatar
es flag
PiRK
After a couple of reboots, I 'm back to my same old errors messages about the usb network devices.
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darth_epoxy avatar
nl flag
darth_epoxy
What is the result of this terminal command `env | grep XDG_CURRENT_DESKTOP` please? And have you tried rebooting with all USB peripherals removed?
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PiRK avatar
es flag
PiRK
`XDG_CURRENT_DESKTOP=ubuntu:GNOME`.
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PiRK avatar Ubuntu
es flag
PiRK

I didn't find a proper software solution to fix this bug. But I can now boot my computer "normally" by initially unplugging the USB wifi adapter, and plugging it back in only after I have reached the login screen.

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