I followed eissc's procedures, disabled "Visual Effects", System > Preferences > Appearance > "Visual Effects" Select "None"
then this freeze issue is gone. Wonderful! I tried many methods, asked many people on the Internet, the bug is always there. Until I saw this post... -- firefox freezes https://bugs.launchpad.net/bugs/117078 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs