Package: src:firefox Version: 77.0-1 It is due to some problem of NaN on mips*, Firefox segment since 69, and now it has been fixed upstream. we need backport 3 patches:
https://github.com/mozilla/gecko-dev/commit/449d84be72d27d091ceb5d7e360103a92ab3fb14 https://github.com/mozilla/gecko-dev/commit/e47629d3e9dccc2a39f906b62c95540d4f1328c2 https://github.com/mozilla/gecko-dev/commit/80d67f90acd9cd771191fda7cb8108bf4a70bf25 I have a test and it works now. -- YunQiang Su