Thanks for providing the stack trace, Lars.
This shows the illegal instruction is happening in Skia, specifically
SkJumper's implementation of _sk_xor__vfp4. To run with Skia disabled,
edit your user profile at ~/.mozilla/firefox/*.default/prefs.js and add
the following line:
user_pref("gfx.content.azure.backends", "");
Firefox 32-bit will then launch on Raspbian Stretch. Or if you have more
than one user, you can instead edit /usr/lib/firefox/defaults/pref
/vendor-gre.js
I expect rendering performance is taking a hit with Skia disabled. For a
proper fix we should figure out what's going on with the illegal
instruction(s) in SkJumper_generated.S. This file is auto-generated so
from what I can tell the armv7 version isn't readily available via git.
I have yet to set up a build environment for Firefox, but if someone
here has done so for Arch Linux and another for Ubuntu, we can diff and
track this down.
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https://bugs.launchpad.net/bugs/1711337
Title:
Firefox crashes at start on armv7L after 55.0.1 update
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