After updating today I seem to have exactly the same issue as bug-submitter (playing a Youtube video in IceWeasel works for a short time, and then gnash seems to crash exactly the same way as described by bug-submitter).
root@peter-laptop:/var/log# tail -n 6 kern.log Jan 17 19:51:02 peter-laptop kernel: [ 4807.188273] traps: plugin-containe[3290] general protection ip:7f4186c21166 sp:7ffeda8f3230 error:0 in libxul.so[7f4185beb000+39ec000] Jan 17 19:51:18 peter-laptop kernel: [ 4823.470741] traps: plugin-containe[3388] general protection ip:7f85a8daf166 sp:7ffef3164100 error:0 in libxul.so[7f85a7d79000+39ec000] Jan 17 19:51:20 peter-laptop kernel: [ 4825.978344] traps: plugin-containe[3401] general protection ip:7f2dc28a1166 sp:7fff27db6c80 error:0 in libxul.so[7f2dc186b000+39ec000] Jan 17 19:51:33 peter-laptop kernel: [ 4838.280262] traps: plugin-containe[3414] general protection ip:7f7978520166 sp:7ffc993cf0c0 error:0 in libxul.so[7f79774ea000+39ec000] Jan 17 19:51:46 peter-laptop kernel: [ 4851.874890] traps: plugin-containe[3506] general protection ip:7fd9dddd5166 sp:7ffee09b8f80 error:0 in libxul.so[7fd9dcd9f000+39ec000] Jan 17 19:51:50 peter-laptop kernel: [ 4855.252502] traps: plugin-containe[3520] general protection ip:7f71865fc166 sp:7ffdf7ac9e40 error:0 in libxul.so[7f71855c6000+39ec000] root@peter-laptop:/var/log# root@peter-laptop:/var/log# dpkg-query -l | grep gnash ii browser-plugin-gnash 0.8.11~git20160109-1 amd64 GNU Shockwave Flash (SWF) player - Plugin for Mozilla and derivatives ii gnash 0.8.11~git20160109-1 amd64 GNU Shockwave Flash (SWF) player ii gnash-common 0.8.11~git20160109-1 amd64 GNU Shockwave Flash (SWF) player - Common files/libraries root@peter-laptop:/var/log# dpkg-query -l | grep iceweasel ii iceweasel 43.0.4-1 amd64 Web browser based on Firefox On Fri, 15 Jan 2016 19:21:14 +0100 "Francesco Poli \(wintermute\)" < invernom...@paranoici.org> wrote: > Package: browser-plugin-gnash > Version: 0.8.11~git20160109-1 > Severity: grave > Justification: renders package unusable > > Hello! > > I experienced a grave regression after upgrading browser-plugin-gnash: > > [UPGRADE] browser-plugin-gnash:amd64 0.8.11~git20150419-3+b3 -> 0.8.11~git20160109-1 > [UPGRADE] gnash:amd64 0.8.11~git20150419-3+b3 -> 0.8.11~git20160109-1 > [UPGRADE] gnash-common:amd64 0.8.11~git20150419-3+b3 -> 0.8.11~git20160109-1 > > and restarting iceweasel. > Attempting to view any YouTube video results in a gnash crash with > errors such as: > > traps: plugin-containe[5604] general protection ip:7f79bfddc166 sp:7ffc805894f0 error:0 in libxul.so[7f79beda6000+39ec000] > > in /var/log/kern.log > > Downgrading the three packages to their previously installed versions > solves the issue and everything works again as before. > > Please investigate and fix this bug and/or forward my bug report upstream. > > Please do *not* downgrade the severity of this bug report, so that > users will be warned against performing the upgrade (especially if > they use apt-listbugs). > > Thanks for your time! > Bye. > > > > -- System Information: > Debian Release: stretch/sid > APT prefers testing > APT policy: (800, 'testing'), (500, 'unstable') > Architecture: amd64 (x86_64) > > Kernel: Linux 4.3.0-1-amd64 (SMP w/4 CPU cores) > Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) > Shell: /bin/sh linked to /bin/dash > Init: systemd (via /run/systemd/system) > > Versions of packages browser-plugin-gnash depends on: > ii gnash 0.8.11~git20160109-1 > ii libboost-iostreams1.58.0 1.58.0+dfsg-4.1 > ii libc6 2.21-6 > ii libgcc1 1:5.3.1-5 > ii libglib2.0-0 2.46.2-3 > ii libstdc++6 5.3.1-5 > > browser-plugin-gnash recommends no packages. > > Versions of packages browser-plugin-gnash suggests: > pn browser-plugin-lightspark <none> > > -- Configuration Files: