an strace of firefox-3.5 shows the following around where the lock error is displayed: [pid 16470] open("/home/user/.pulse-cookie", O_RDWR|O_CREAT|O_NOCTTY|O_LARGEFILE, 0600) = 30 [pid 16470] fcntl64(30, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}, 0xbfda94ec) = -1 EACCES (Permission denied) [pid 16470] readlink("/proc/self/exe", "/usr/lib/firefox-3.5.3/firefox"..., 99) = 30 [pid 16470] write(2, "lock: Permission denied\n", 24lock: Permission denied ) = 24
an strace of firefox-3.5 shows the following around where the lock error is displayed: home/user/ .pulse- cookie" , O_RDWR| O_CREAT| O_NOCTTY| O_LARGEFILE, 0600) = 30 "/proc/ self/exe" , "/usr/lib/ firefox- 3.5.3/firefox" ..., 99) = 30
[pid 16470] open("/
[pid 16470] fcntl64(30, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=0, len=0}, 0xbfda94ec) = -1 EACCES (Permission denied)
[pid 16470] readlink(
[pid 16470] write(2, "lock: Permission denied\n", 24lock: Permission denied
) = 24