Tried examining bug locally and getting symbols with apport: fbacher@smeagol$ apport -cli /var/crash/_usr_bin_Xwayland.1000.crash ksh: apport: not found [No such file or directory] fbacher@smeagol$ apport-cli /var/crash/_usr_bin_Xwayland.1000.crash *** Send problem report to the developers? After the problem report has been sent, please fill out the form in the automatically opened web browser. What would you like to do? Your options are: S: Send report (7.7 MB) E: Examine locally V: View report K: Keep report file for sending later or copying to somewhere else I: Cancel and ignore future crashes of this program version C: Cancel Please choose (S/E/V/K/I/C): S fbacher@smeagol$ apport-cli /var/crash/_usr_bin_Xwayland.1000.crash *** Send problem report to the developers? After the problem report has been sent, please fill out the form in the automatically opened web browser. What would you like to do? Your options are: S: Send report (7.7 MB) E: Examine locally V: View report K: Keep report file for sending later or copying to somewhere else I: Cancel and ignore future crashes of this program version C: Cancel Please choose (S/E/V/K/I/C): E *** This will launch apport-retrace in a terminal window to examine the crash. Choices: 1: Run gdb session 2: Run gdb session without downloading debug symbols 3: Update /var/crash/_usr_bin_Xwayland.1000.crash with fully symbolic stack trace C: Cancel Please choose (1/2/3/C): 3 Get:1 http://mirror.lstn.net/ubuntu bionic InRelease [242 kB] Get:2 http://ppa.launchpad.net/team-xbmc/xbmc-nightly/ubuntu bionic InRelease [15.4 kB] Get:3 http://archive.canonical.com/ubuntu bionic InRelease [10.2 kB] Get:4 http://security.ubuntu.com/ubuntu bionic-security InRelease [83.2 kB] Get:5 http://mirror.lstn.net/ubuntu bionic-updates InRelease [88.7 kB] Ign http://ddebs.ubuntu.com bionic InRelease Get:6 http://mirror.lstn.net/ubuntu bionic-backports InRelease [74.6 kB] Ign http://ddebs.ubuntu.com bionic-updates InRelease Ign http://ddebs.ubuntu.com bionic-proposed InRelease Get:7 http://ddebs.ubuntu.com bionic Release [34.7 kB] Get:8 http://archive.canonical.com/ubuntu bionic/partner amd64 Packages [2304 B] Get:9 http://mirror.lstn.net/ubuntu bionic/main amd64 Packages [1019 kB] Get:10 http://ppa.launchpad.net/team-xbmc/xbmc-nightly/ubuntu bionic/main Sources [15.3 kB] Get:11 http://ddebs.ubuntu.com bionic-updates Release [34.7 kB] Get:12 http://mirror.lstn.net/ubuntu bionic/main amd64 DEP-11 Metadata [477 kB] Get:13 http://mirror.lstn.net/ubuntu bionic/main DEP-11 48x48 Icons [118 kB] Get:14 http://mirror.lstn.net/ubuntu bionic/main DEP-11 64x64 Icons [245 kB] Get:15 http://mirror.lstn.net/ubuntu bionic amd64 Contents (deb) [39.5 MB] Get:16 http://ppa.launchpad.net/team-xbmc/xbmc-nightly/ubuntu bionic/main amd64 Packages [20.3 kB] Get:17 http://ddebs.ubuntu.com bionic-proposed Release [34.7 kB] Get:18 http://ddebs.ubuntu.com bionic Release.gpg [819 B] Get:19 http://ddebs.ubuntu.com bionic-updates Release.gpg [819 B] Get:20 http://security.ubuntu.com/ubuntu bionic-security amd64 Contents (deb) [8602 kB] Get:21 http://ddebs.ubuntu.com bionic-proposed Release.gpg [819 B] Get:22 http://ddebs.ubuntu.com bionic/main amd64 Packages [535 kB] Get:23 http://mirror.lstn.net/ubuntu bionic/universe amd64 Packages [8570 kB] Get:24 http://ddebs.ubuntu.com bionic/universe amd64 Packages [4596 kB] Get:25 http://mirror.lstn.net/ubuntu bionic/universe amd64 DEP-11 Metadata [3287 kB] Get:26 http://mirror.lstn.net/ubuntu bionic/universe DEP-11 48x48 Icons [2151 kB] Get:27 http://mirror.lstn.net/ubuntu bionic/universe DEP-11 64x64 Icons [8420 kB] Get:28 http://mirror.lstn.net/ubuntu bionic/multiverse amd64 Packages [151 kB] Get:29 http://mirror.lstn.net/ubuntu bionic/multiverse amd64 DEP-11 Metadata [49.7 kB] Get:30 http://mirror.lstn.net/ubuntu bionic/multiverse DEP-11 48x48 Icons [8931 B] Get:31 http://mirror.lstn.net/ubuntu bionic/multiverse DEP-11 64x64 Icons [225 kB] Get:32 http://mirror.lstn.net/ubuntu bionic/restricted amd64 Packages [9184 B] Get:33 http://mirror.lstn.net/ubuntu bionic-updates amd64 Contents (deb) [9913 kB] Get:34 http://ddebs.ubuntu.com bionic/multiverse amd64 Packages [73.0 kB] Get:35 http://ddebs.ubuntu.com bionic-updates/main amd64 Packages [169 kB] Get:36 http://ddebs.ubuntu.com bionic-updates/universe amd64 Packages [118 kB] Get:37 http://ddebs.ubuntu.com bionic-updates/multiverse amd64 Packages [3492 B] Get:38 http://ddebs.ubuntu.com bionic-proposed/main amd64 Packages [35.0 kB] Get:39 http://ddebs.ubuntu.com bionic-proposed/universe amd64 Packages [31.9 kB] Get:40 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 Packages [66.8 kB] Get:41 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 DEP-11 Metadata [6828 B] Get:42 http://security.ubuntu.com/ubuntu bionic-security/universe DEP-11 48x48 Icons [9088 B] Get:43 http://security.ubuntu.com/ubuntu bionic-security/universe DEP-11 64x64 Icons [11.3 kB] Get:44 http://security.ubuntu.com/ubuntu bionic-security/multiverse amd64 Packages [1444 B] Get:45 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages [168 kB] Get:46 http://security.ubuntu.com/ubuntu bionic-security/main amd64 DEP-11 Metadata [204 B] Get:47 http://security.ubuntu.com/ubuntu bionic-security/main DEP-11 48x48 Icons [29 B] Get:48 http://security.ubuntu.com/ubuntu bionic-security/main DEP-11 64x64 Icons [29 B] Get:49 http://mirror.lstn.net/ubuntu bionic-updates/universe amd64 Packages [192 kB] Get:50 http://mirror.lstn.net/ubuntu bionic-updates/universe amd64 DEP-11 Metadata [166 kB] Get:51 http://mirror.lstn.net/ubuntu bionic-updates/universe DEP-11 48x48 Icons [172 kB] Get:52 http://mirror.lstn.net/ubuntu bionic-updates/universe DEP-11 64x64 Icons [280 kB] Get:53 http://mirror.lstn.net/ubuntu bionic-updates/multiverse amd64 Packages [4180 B] Get:54 http://mirror.lstn.net/ubuntu bionic-updates/multiverse amd64 DEP-11 Metadata [2468 B] Get:55 http://mirror.lstn.net/ubuntu bionic-updates/multiverse DEP-11 48x48 Icons [29 B] Get:56 http://mirror.lstn.net/ubuntu bionic-updates/multiverse DEP-11 64x64 Icons [2638 B] Get:57 http://mirror.lstn.net/ubuntu bionic-updates/main amd64 Packages [322 kB] Get:58 http://mirror.lstn.net/ubuntu bionic-updates/main amd64 DEP-11 Metadata [139 kB] Get:59 http://mirror.lstn.net/ubuntu bionic-updates/main DEP-11 48x48 Icons [31.4 kB] Get:60 http://mirror.lstn.net/ubuntu bionic-updates/main DEP-11 64x64 Icons [56.9 kB] Get:61 http://mirror.lstn.net/ubuntu bionic-backports amd64 Contents (deb) [3555 B] Get:62 http://mirror.lstn.net/ubuntu bionic-backports/universe amd64 Packages [2704 B] Get:63 http://mirror.lstn.net/ubuntu bionic-backports/universe amd64 DEP-11 Metadata [5100 B] Get:64 http://mirror.lstn.net/ubuntu bionic-backports/universe DEP-11 48x48 Icons [29 B] Get:65 http://mirror.lstn.net/ubuntu bionic-backports/universe DEP-11 64x64 Icons [1789 B] Fetched 90.6 MB in 6s (0 B/s) Fetched 0 B in 0s (0 B/s) Extracting downloaded debs... Traceback (most recent call last): File "/usr/bin/apport-retrace", line 325, in options.dynamic_origins) File "/usr/lib/python3/dist-packages/apport/sandboxutils.py", line 220, in make_sandbox pkgs = needed_runtime_packages(report, sandbox_dir, pkgmap_cache_dir, pkg_versions, verbose) File "/usr/lib/python3/dist-packages/apport/sandboxutils.py", line 94, in needed_runtime_packages arch=report.get('Architecture')) File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 469, in get_file_package return self._search_contents(file, map_cachedir, release, arch) File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 1264, in _search_contents src = urlopen(url) File "/usr/lib/python3.6/urllib/request.py", line 223, in urlopen return opener.open(url, data, timeout) File "/usr/lib/python3.6/urllib/request.py", line 532, in open response = meth(req, response) File "/usr/lib/python3.6/urllib/request.py", line 642, in http_response 'http', request, response, code, msg, hdrs) File "/usr/lib/python3.6/urllib/request.py", line 570, in error return self._call_chain(*args) File "/usr/lib/python3.6/urllib/request.py", line 504, in _call_chain result = func(*args) File "/usr/lib/python3.6/urllib/request.py", line 650, in http_error_default raise HTTPError(req.full_url, code, msg, hdrs, fp) urllib.error.HTTPError: HTTP Error 404: Not Found