I have this problem too. I use ArchLinux x86_64 and Firefox Nightly from AUR (https://aur.archlinux.org/packages.php?ID=19830) The problem happens also when i try to open the preferences. As Workaround i use currently this one:
LD_PRELOAD=/usr/lib/libgnomevfs-2.so.0 firefox-nightly
I have this problem too. I use ArchLinux x86_64 and Firefox Nightly from AUR (https:/ /aur.archlinux. org/packages. php?ID= 19830) The problem happens also when i try to open the preferences. As Workaround i use currently this one: /usr/lib/ libgnomevfs- 2.so.0 firefox-nightly
LD_PRELOAD=