Thought I'd have a go out of interest - Replacing my new config dir with the old one reproduces the bug, but -dbg seems to require a previous verison of chromium-browser (had the the same problem trying to install -dbg from synaptic):
=== $ echo "deb http://ddebs.ubuntu.com $(lsb_release -cs) main restricted universe multiverse > deb http://ddebs.ubuntu.com $(lsb_release -cs)-updates main restricted > universe multiverse > deb http://ddebs.ubuntu.com $(lsb_release -cs)-proposed main restricted > universe multiverse" | \ > sudo tee -a /etc/apt/sources.list.d/ddebs.list [sudo] password for user: deb http://ddebs.ubuntu.com xenial main restricted universe multiverse deb http://ddebs.ubuntu.com xenial-updates main restricted universe multiverse deb http://ddebs.ubuntu.com xenial-proposed main restricted universe multiverse $ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 428D7C01 C8CAB6595FDFF622 Executing: /tmp/tmp.WR8LuQinDY/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys 428D7C01 C8CAB6595FDFF622 gpg: requesting key 428D7C01 from hkp server keyserver.ubuntu.com gpg: requesting key 5FDFF622 from hkp server keyserver.ubuntu.com gpg: key 428D7C01: public key "Ubuntu Debug Symbol Archive Automatic Signing Key <[email protected]>" imported gpg: key 5FDFF622: public key "Ubuntu Debug Symbol Archive Automatic Signing Key (2016) <[email protected]>" imported gpg: Total number processed: 2 gpg: imported: 2 (RSA: 1) $ sudo apt-get update ... ... $ sudo apt-get install chromium-browser-dbg Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies. chromium-browser-dbg : Depends: chromium-browser (= 51.0.2704.79-0ubuntu0.16.04.1.1242) but 59.0.3071.109-0ubuntu0.16.04.1289 is to be installed E: Unable to correct problems, you have held broken packages. ==== In case it helps, the version I had installed previously (at least according to my update logs) was chromium-browser (58.0.3029.110-0ubuntu0.16.04.1281) Happy to help further if I can. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to chromium-browser in Ubuntu. https://bugs.launchpad.net/bugs/1702407 Title: Update breaks chromium-browser on Ubuntu Mate 16.04.2 Status in chromium-browser package in Ubuntu: Confirmed Bug description: $ apt-cache policy chromium-browser chromium-browser: Installed: 59.0.3071.109-0ubuntu0.16.04.1289 Candidate: 59.0.3071.109-0ubuntu0.16.04.1289 Version table: *** 59.0.3071.109-0ubuntu0.16.04.1289 500 500 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages 500 http://archive.ubuntu.com/ubuntu xenial-security/universe amd64 Packages 100 /var/lib/dpkg/status 49.0.2623.108-0ubuntu1.1233 500 500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages $ chromium-browser Using PPAPI flash. --ppapi-flash-path=/usr/lib/adobe-flashplugin/libpepflashplayer.so --ppapi-flash-version= Received signal 11 SEGV_MAPERR 000000000010 #0 0x7f8cc1af5425 base::debug::StackTrace::StackTrace() #1 0x7f8cc1af580b <unknown> #2 0x7f8cc1e20390 <unknown> #3 0x5619ce286dc8 <unknown> #4 0x5619ce289656 <unknown> #5 0x5619ce289df9 <unknown> #6 0x5619ce28a143 <unknown> #7 0x7f8cc1b70821 <unknown> #8 0x7f8cc1af6eea base::debug::TaskAnnotator::RunTask() #9 0x7f8cc1b1fe90 base::MessageLoop::RunTask() #10 0x7f8cc1b2197d base::MessageLoop::DeferOrRunPendingTask() #11 0x7f8cc1b2283d <unknown> #12 0x7f8cc1b23300 base::MessagePumpLibevent::Run() #13 0x7f8cc1b1ef15 base::MessageLoop::RunHandler() #14 0x7f8cc1b49628 base::RunLoop::Run() #15 0x7f8cc1b75e36 base::Thread::ThreadMain() #16 0x7f8cc1b70726 <unknown> #17 0x7f8cc1e166ba start_thread #18 0x7f8cab4c53dd clone r8: 000000000000002e r9: 00005619cfcdd6ec r10: 0000000000000000 r11: 00007f8cab552f50 r12: 00007f8c1b0d1ff0 r13: 0000000000000008 r14: 0000000000000008 r15: 00007f8c1b0d1eb0 di: 0000000000000000 si: 00007f8c1b0d1eb0 bp: 00007f8c1b0d1f00 bx: 00007f8c1b0d1eb0 dx: 0000000000000061 ax: 0000000000000000 cx: 00007f8bf0047070 sp: 00007f8c1b0d1e60 ip: 00005619ce286dc8 efl: 0000000000010206 cgf: 0000000000000033 erf: 0000000000000004 trp: 000000000000000e msk: 0000000000000000 cr2: 0000000000000010 [end of stack trace] Quits <1s after starting on desktop. Output from terminal-based launch is above. Worked earlier today before updating. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1702407/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

