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The Brother DS-740D scanner I have used to work fine until a couple of
weeks ago. Now, whenever I plug it the GUI freezes (default Ubuntu LTS
20.04). Logging in from another computer works. Restarting GDM3 does not
help, mouse is frozen.

No crash log. But kern.log says:

Jan 29 10:12:25 precies kernel: [ 1129.014431] xhci_hcd 0000:00:14.0: Abort 
failed to stop command ring: -110
Jan 29 10:12:25 precies kernel: [ 1129.014437] xhci_hcd 0000:00:14.0: xHCI host 
controller not responding, assume dead
Jan 29 10:12:25 precies kernel: [ 1129.014444] xhci_hcd 0000:00:14.0: HC died; 
cleaning up
Jan 29 10:12:25 precies kernel: [ 1129.014477] xhci_hcd 0000:00:14.0: Timeout 
while waiting for setup device command

I tried updating the driver to the latest version
(brscan5-1.2.9-0.amd64.deb) but that did not help.

Additional info:
$ lsb_release -rd
Description:    Ubuntu 20.04.3 LTS
Release:        20.04

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment
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USB dies, GUI hangs after plugging in Brother DS-740D scanner
https://bugs.launchpad.net/bugs/1959477
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