[Bug 1790671] Re: /usr/lib/packagekit/packagekitd:11:std::__cxx11::basic_string:AptIntf::providesCodec:backend_what_provides_thread:pk_backend_job_thread_setup:g_thread_proxy

[Julian Andres Klode]

** Description changed:

+ [Impact]
+ pkcon what-provides and other tools querying codecs do not work, they crash (unless you happen to be lucky with your apt cache)
+ 
+ [Test case]
+ The daemon should not crash as below, but should print a useful message.
+ 
+ $ lxc launch -e ubuntu:bionic bbb
+ $ lxc exec bbb apt update
+ $ lxc exec bbb -- apt  -y  install packagekit
+ $ lxc exec bbb pkcon what-provides  "gstreamer1.0(decoder-audio/ac3)"
+ [...] The daemon crashed mid-transaction!
+ 
+ (empty lxd container seems to be able to reproduce easily)
+ 
+ [Regression potential]
+ I don't think it's possible to have a regression here, given the nature of the fix, but if there were one, we'd see different behavior in codec lookup.
+ 
+ [Other info]
  The Ubuntu Error Tracker has been receiving reports about a problem regarding packagekit.  This problem was most recently seen with package version 1.1.10-1ubuntu2, the problem page at https://errors.ubuntu.com/problem/46649a8a55e07e74b9d522c9bc9d71a74905ccc2 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
  If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.

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https://bugs.launchpad.net/bugs/1790671

Title:
  /usr/lib/packagekit/packagekitd:11:std::__cxx11::basic_string:AptIntf::providesCodec:backend_what_provides_thread:pk_backend_job_thread_setup:g_thread_proxy

Status in packagekit package in Ubuntu:
  Fix Released
Status in packagekit source package in Bionic:
  New

Bug description:
  [Impact]
  pkcon what-provides and other tools querying codecs do not work, they crash (unless you happen to be lucky with your apt cache)

  [Test case]
  The daemon should not crash as below, but should print a useful message.

  $ lxc launch -e ubuntu:bionic bbb
  $ lxc exec bbb apt update
  $ lxc exec bbb -- apt  -y  install packagekit
  $ lxc exec bbb pkcon what-provides  "gstreamer1.0(decoder-audio/ac3)"
  [...] The daemon crashed mid-transaction!

  (empty lxd container seems to be able to reproduce easily)

  [Regression potential]
  I don't think it's possible to have a regression here, given the nature of the fix, but if there were one, we'd see different behavior in codec lookup.

  [Other info]
  The Ubuntu Error Tracker has been receiving reports about a problem regarding packagekit.  This problem was most recently seen with package version 1.1.10-1ubuntu2, the problem page at https://errors.ubuntu.com/problem/46649a8a55e07e74b9d522c9bc9d71a74905ccc2 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
  If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.

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