*** This bug is a duplicate of bug 1795898 ***
    https://bugs.launchpad.net/bugs/1795898

Our last ideas were around:
- one process waiting on the GIL, but not getting it (deadlock)
- the thread that would update the package list (resolver) dying which would 
leave the GTK/Ui 
  threads spinning (as we see them), but never populate the objects to be 
displayed.
  I see plenty of processes get created and die, but no clear point to fix.
  Many of them end with:
    0.000126 futex(0x7fbc78003160, FUTEX_WAIT_PRIVATE, 0, {tv_sec=14, 
tv_nsec=999999129}) = -1 ETIMEDOUT (Connection timed out) <15.000111>
    0.795429 madvise(0x7fbc69a07000, 8368128, MADV_DONTNEED) = 0 <0.000017>     
    0.000049 exit(0)                   = ?
  But I have not found a link what they actually try to get before they die 
(they don't do much 
  more)

But the debug data wasn't strong enough for either to further debug or
try a fix.

I was trying rbalints fix from [1] where I put it.
And even thou the sytmptom was rather different IMHO it resolved the issue.

Marking as a Dup

[1]: https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/3472

** This bug has been marked a duplicate of bug 1795898
   TypeError: _action_done() got an unexpected keyword argument 'trans_failed'

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https://bugs.launchpad.net/bugs/1797324

Title:
  Software Updater show empty panels, stuck in ProblemResolver.resolve
  of apt_pkg.cpython-36m-x86_64-linux-gnu.so

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