Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: caja (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1930312
Title:
USB disks and SD cards mount for wrong user
Status in Ubuntu MATE:
New
Status in caja package in Ubuntu:
Confirmed
Status in gvfs package in Ubuntu:
Confirmed
Status in udisks2 package in Ubuntu:
Confirmed
Bug description:
I have MATE 20.04 LTS installed on a laptop with 4 users. Plugging in SD
cards and USB sticks works perfectly, unless there is someone else logged in on
the machine.
eg:
1- user A logs in, then walks away and screen locks
2- user B switches to the login screen and logs in as user B
3- user B plugs in a USB stick, but it doesn't mount for user B
4- (hidden from sight) user A gets an "authentication is required to mount...
/dev/sdb1" error and the window is asking for admin password
- details of this are:
polkit.subject-pid: 102318
polkit.caller-pid: 806
Action: org.freedesktop.udisks2.filesystem-mount-other-seat
Vendor: The Udisks Project
user B has no indication on why it didn't mount. If they click on the
USB stick in the Caja side bar, they get an "Unable to mount USB Disk
- an operation is already pending"
So it seems that automount is trying to show the USB stick to the
inactive user A, totally blocking user B. (user B doesn't even get the
chance to enter an admin password to override)
the only solution is basically to "switch account", log in as user A and log
them out.
(this clearly doesn't work if user B doesn't know their password!)
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