@ Giorgio Salluzzo Thanks for the workaround. It got me out of a real
mess.
I am on Ubuntu 17.10 but the same issue happened to me
For any one else in a panic, stuck in the same situation, kernel half
installed, this is what saved me:
* Kill Synaptic with "System Monitor"
* A dpkg process was left hung and was blocking further updates
- So in "System Monitor" search for and kill the dpkg process that's
running and locking things.
- Searching the string "/var/lib/dpkg" found it for me.
- It had this process "linux-headers-4.3.0-17-generic.postinst"
* Here's the trick that made it work (@ Giorgio Salluzzo's workaround)
Go to a virtual console CTRL+ALT+F6
Login as your user name and run this command from there
$ sudo dpkg --configure -a
* That alone is probably the fix but I also ran these from the same virtual
terminal
$ sudo apt-get install -f
$ sudo apt-get clean
$ sudo apt-get update
* CTRL+ALT+F2 to get back to the desktop.
* Then "Software Updater" popped up a message saying run a "Partial Upgrade".
Which I did. But it turned out I didn't need that so it stopped itself
automatically!
* Then I opened Synaptic and checked for updates. None.
* Back-up any user data and reboot. For me all went well.
The new kernel was installed.
NOTES: I tried "sudo dpkg --configure -a" in a normal Terminal but it failed.
It just hung again like Synaptic did.
Giorgio Salluzzo's virtual console workaround was the trick.
But the virtual consoles can be weird.
CTRL+ALT+F1 locks my screen (and then the monitor switches off!) When you wake
the screen you can't log back in!!! You have to use CTRL+ALT+F2 to get back to
the desktop.
CTRL+ALT+F6 seemed to work best for me but when I tried it for the first
time it was just a black screen with a cursor. When I came back later it
had a promt for me to login with.
Virtual consoles tips:
https://askubuntu.com/questions/157617/reverting-from-ctrl-alt-f1
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https://bugs.launchpad.net/bugs/1686107
Title:
Latest kernel update gets stuck
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