update-manager crashed with AttributeError in _on_download_changed(): 'NoneType' object has no attribute 'get_value'

Status changed to 'Confirmed' because the bug affects multiple users.

This is teh first time bug appeared for me. Ubuntu 13.10 Saucy 64 bit. Why is this bug tagged saucy? Don't see any reference besides Ubuntu 12.10 quantel? . So it probably should be fixed going forward.

13.10 Saucy 64-bit - Xubuntu

The update manager restarts and crashes over and over again on it's own accord.

If it matters, I misstyped the password at my first try.

At the moment I DO use a custom stable kernel, 3.4.59. But I don't know if it matters at this moment.

This actually looks like a crash in aptdaemon to me:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/aptdaemon/gtk3widgets.py", line 511, in _on_download_changed
    iter = self._download_map[uri]
KeyError: 'http://gd.archive.ubuntu.com/ubuntu/pool/main/b/binutils/binutils_2.22.52.20120713-0ubuntu1_i386.deb'

The errors count is ~500:

https://errors.ubuntu.com/bucket/?id=/usr/bin/update-manager:AttributeError:_on_download_changed:_on_download_changed

Status changed to 'Confirmed' because the bug affects multiple users.

Not sure what happened this time... I just started the computer and it generated all kinds of errors, this being the first.

While installing updates the app crash.

In my computer this being every time.

It looks like the error is caused by the following bit of code in aptdaemon/gtk3widgets.py:

        try:
            iter = self._download_map[uri]
        except KeyError:
            adj = self.get_vadjustment()

self.get_vadjustment() is returning None, probably because nothing has called set_vadjustment. This might actually be an error in update-manager but I don't see anything having set that in update-manager versions back to Precise.

The issue should be fixed with http://bazaar.launchpad.net/~aptdaemon-developers/aptdaemon/main/revision/963

I've uploaded a fixed version of aptdaemon to saucy-proposed.

Hello Elroy, or anyone else affected,

Accepted aptdaemon into saucy-proposed. The package will build now and be available at http://launchpad.net/ubuntu/+source/aptdaemon/1.1.1-0ubuntu4 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-needed to verification-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

I was able to recreate this crash by installing updates using update-manager (aptdaemon version 1.1.1-0ubuntu3) and clicking the X to close the install window. However, I suspect your timing has to be rather good to get this crash.

The new version works fine, the fix makes sense as well, let's set the SRU as verified

The verification of this Stable Release Update has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regresssions.

This bug was fixed in the package aptdaemon - 1.1.1-0ubuntu4

---------------
aptdaemon (1.1.1-0ubuntu4) saucy-proposed; urgency=low

  * Handle the situation where adj may be none, pulled from upstream revision
    963 (LP: #1024590). Thanks to Michael Vogt for the fix.
 -- Brian Murray <email address hidden> Wed, 04 Dec 2013 10:23:52 -0800

There is a crash with the new version of aptdaemon being reported on the error tracker that has similar although different stack trace.

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/aptdaemon/gtk3widgets.py", line 522, in _on_download_changed
    iter = self._download_map[uri]
KeyError: 'http://pl.archive.ubuntu.com/ubuntu/pool/universe/w/wxwidgets2.8/wx2.8-i18n_2.8.12.1-14ubuntu1.1_all.deb'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/aptdaemon/gtk3widgets.py", line 525, in _on_download_changed
    iter = model.append((text, progress, uri))
AttributeError: 'NoneType' object has no attribute 'append'

So it seems that model may also be None. I'll create a new bug report for that.

still there in 14.04 i386

The new aptdaemon bug I reported is bug 1266844.

appeared after successful upgrade after update-manager crashed.

also still there in 14.04 64 bit so it seems: the bug report tool led me to this page.

This bug was fixed in the package aptdaemon - 1.1.1-1ubuntu3

---------------
aptdaemon (1.1.1-1ubuntu3) trusty; urgency=medium

  * Rewrite the python shebang path to /usr/bin/python3.
 -- Matthias Klose <email address hidden> Thu, 20 Feb 2014 17:39:44 +0100