Public bug reported:
This is my first or second update after a (very smooth!) upgrade to
Kubuntu 13.10. The updates icon appeared in the System Tray, I clicked
and the new muon-updater appeared, offering ~90MB of updates. When I
clicked to install I got the common prompt about additional packages
(kernel ones in this case), I confirmed that.
It started downloading. The window looked a little strange (see attached
screenshot), the items in the [More...v] menu were grayed out, but it
seemed OK so I went back to playing GTA V :)
Many hours and deaths later I returned to find the updater window looked
more or less unchanged (see attached), it's at "Loading Software List"
which is I think where it was hours before. No progress indicated.
According to `ps -alx -w -w` the muon-updaer process is stuck in
F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND
1 1000 19828 1649 20 0 783196 93216 poll_s Sl ? 10:30
/usr/bin/muon-updater
I ran `sudo strace -p` and it's occasionally reading and writing to fd 3 and
stuck on recvfrom 7 (a socket). I'll attach the strace. The fds are:
% sudo ls -l /proc/19828/fd/[37]
lrwx------ 1 skierpage skierpage 64 Oct 26 04:39 /proc/19828/fd/3 ->
anon_inode:[eventfd]
lrwx------ 1 skierpage skierpage 64 Oct 26 04:39 /proc/19828/fd/7 ->
socket:[1770872]
But it looks like the update actually did complete. /var/log/dpkg.log has a
bunch of "status installed" packages from an hour or so after I started the
update, the last one is
2013-10-26 04:41:23 status installed initramfs-tools:all 0.103ubuntu1.1
and there's a yellow [^o] "A System Restart is required" icon is in the system
tray. So I think the update did complete OK, muon-updater just isn't showing
it. I clicked the yellow restart icon and nothing happened.
** Affects: muon (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "appearance of hung muon-updater"
https://bugs.launchpad.net/bugs/1245061/+attachment/3892371/+files/13.10_muon_hang.png
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https://bugs.launchpad.net/bugs/1245061
Title:
muon-updater stuck at Loading Software List
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