It turns out if I turn off the umatrix extension, firefox works again. So must be conflict between umatrix and libgd3. Chromium works fine with all the extensions I have installed. But yes. I have to turn off umatrix extension to use firefox under libgd3. Thanks!
It turns out if I turn off the umatrix extension, firefox works again. So must be conflict between umatrix and libgd3. Chromium works fine with all the extensions I have installed. But yes. I have to turn off umatrix extension to use firefox under libgd3. Thanks!