And while I can attach to the plugin container, gdb never catches anything and eventually the plugin is terminated. I've tried attaching a gdb instance to the plugin container using these instructions. So I disabled all sandboxing why running with these environment variables set: MOZ_DISABLE_CONTENT_SANDBOX=1 MOZ_DISABLE_GMP_SANDBOX=1. I was thinking it could be a seccomp issue similar to this one. Looking at the firefox source online (I didn't want to install the source package, I doubt ubuntu has patched this file) doesn't really help much. With the resulting output: /build/firefox-k3d8Rk/firefox-78.0.2+build2/obj-x86_64-linux-gnu/dist/include/mozilla/RefPtr.h:67 To see where, I installed the firefox debug package, and using this SO answer, ran in the bash shell the following (where IP and MAPOFF were taken from the kernel log message): IP=0x00007fb9fed72335ĪDDR=$(python3 -c "print(hex($IP-$MAPOFF))")Īddr2line -j. So it looks like the plugin is crashing in libxul.so. The kernel message log contained these lines after each time the plugin would crash: MainThread: segfault at 0 ip 00007fb9fed72335 sp 00007fffa457a790 error 6 in libxul.so ![]() ![]() ![]() When attempting to play a video on the Netflix website I am taken to an error page with F7701-1003 and a yellow bar appears at the top of the page frame from firefox saying that the plugin crashed. I've recently updated my 18.04 install to 20.04.1 and Netflix fails to play its DRM content using Firefox (at the latest 78.0.2).
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