This seems to be causing a regression with the bcmwl driver, see
https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1818134 for further
details.
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https://bugs.launchpad.net/bugs/1748983
I've done some more investigation this morning, and I think I've
narrowed down the problem slightly further. It seems I *can* upgrade
'dkms' (and also install 'shim'), as long as I leave 'shim-signed'
uninstalled, although this has a few caveats...
It seems if I 'sudo apt-get purge
I had a look at my Updates history in Ubuntu Software Centre for the
last couple of weeks to see if I could spot any "likely culprits", and I
see that on the 18th February the 'dkms' package got bumped from
2.2.0.3-1.1ubuntu5.14.04.9 to 2.2.0.3-1.1ubuntu5.14.04.10 and the 'shim-
signed' package
I'm also seeing the same problem on a Dell XPS 13 9343 - Wifi is
suddenly non-functional, whereas it'd otherwise been working fine for
many years (I'm unsure exactly when the problem started, as I mostly use
my laptop via wired ethernet, but it's definitely broken within the last
couple of weeks).
Public bug reported:
Newly-received Dell XPS 13 (9343), UK model CNX4313 with Ubuntu 14.04
pre-installed.
Very first power-on, and running through the initial 'setup' process.
Inserted a 2GB USB Flash drive, and chose to create recovery media.
Process started chugging away, and then suddenly
So, after filing this bug report (and being left with only a top menu-
bar and no side applications-menu) I rebooted the laptop, and was able
to login as the user I created during the setup before it crashed
(although there was also still an OEM user listed as an option, which
I didn't use).
I
After upgrading from Jaunty to Karmic, I had this problem too. After
eventually tracking down this bug report (took me a while to work out
that mythtv was to blame!), I followed the instructions from comment
#17, and that fixed the problem for me.
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shutdown asks for password with only 1 user
Karel: I believe this is the relevant bug for mythtv in Karmic:
https://bugs.launchpad.net/ubuntu/+source/consolekit/+bug/445953
It contains a simple fix that worked for me :)
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mythbuntu: can't shutdown from MythTV
https://bugs.launchpad.net/bugs/368594
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