On 23 Sep 2016, at 11:35, Robert_Burmeister <robert.burmeis...@utoledo.edu> wrote: > I was able to resolve HTML5 videos crashes in Firefox 49 on FreeBSD 10.3 i386 > by changing the FFMPEG compile option to "SSE=off" and recompiling FFMPEG. > > The LLVM compiler was not dealing with an SSE bug on my older core2 CPU.
I can't reproduce your particular crashes, but in the past I had created a patch to force the FFmpeg build to use stack realignment. Can you please try it out? E.g. put the attched patch in the root of your ports folder, and run: patch -p0 -f -F0 -i multimedia__ffmpeg-force-i386-stack-realign-1.diff This patch is needed, because FFmpeg assumes a 16-byte aligned stack, even on i386, where the ABI specifies a 4-byte alignment. On Linux, this ABI requirement was basically dumped at some point, leaving old applications in the cold, but not on FreeBSD. -Dimitry
multimedia__ffmpeg-force-i386-stack-realign-1.diff
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