Was your /tmp filesystem full at the time of the problem maybe? Marking invalid for chromium-browser, as it's unlikely it's a problem in chromium itself (besides the actual crash that you were trying to report, but without an actual core dump we can't do anything about that one, unfortunately).
** Changed in: chromium-browser (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apport in Ubuntu. https://bugs.launchpad.net/bugs/1808861 Title: chromium-browser crash Unreportable - Invalid core dump: BFD: warning: apport_core is truncated Status in apport package in Ubuntu: Incomplete Status in chromium-browser package in Ubuntu: Invalid Bug description: Trying to report a crash in chromium-browser, get Unreportable reason Invalid core dump: BFD: warning apport_core is truncated (see screenshot, can't copy message from apport dialog - bug # 1273752). UnreportableReason: Invalid core dump: BFD: warning: /tmp/apport_core_6yb3cl_7 is truncated: expected core file size >= 1245646848, found: 760283136 warning: core file may not match specified executable file. Expected: able to report ? ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: apport 2.20.9-0ubuntu7.5 ProcVersionSignature: User Name 4.15.0-42.45-generic 4.15.18 Uname: Linux 4.15.0-42-generic x86_64 ApportLog: ERROR: apport (pid 31805) Mon Dec 17 15:14:09 2018: called for pid 15848, signal 5, core limit 0, dump mode 1 ERROR: apport (pid 31805) Mon Dec 17 15:14:09 2018: executable: /usr/lib/chromium-browser/chromium-browser (command line "/usr/lib/chromium-browser/chromium-browser\ --enable-pinch") ERROR: apport (pid 31805) Mon Dec 17 15:14:09 2018: is_closing_session(): no DBUS_SESSION_BUS_ADDRESS in environment ERROR: apport (pid 31805) Mon Dec 17 15:15:23 2018: wrote report /var/crash/_usr_lib_chromium-browser_chromium-browser.1000.crash ApportVersion: 2.20.9-0ubuntu7.5 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Mon Dec 17 15:30:28 2018 EcryptfsInUse: Yes InstallationDate: Installed on 2018-09-12 (96 days ago) InstallationMedia: Ubuntu 16.04.5 LTS "Xenial Xerus" - Release amd64 (20180731) PackageArchitecture: all ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: apport UpgradeStatus: Upgraded to bionic on 2018-09-28 (80 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1808861/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp