@YoDude: Yes, I do use a SIM. Do you think it could be because of a bad SIM card? I have been using the same SIM in my old phone for about six years now; I'm not sure I want to change it because I would have to change my phone number (among other hassles that outweigh the disadvantage of just not using a N900).
- Is it because I created a symlink from ~/ to ~/MyDocs/.documents? "~/" is on a Linux filesystem (ext3 or ext2 or whatever) while ~/MyDocs/.documents is on vfat, so maybe that blew it up. But if I recall correctly, the error happened even without the symlink.