2007/10/21, Thomas E. Spanjaard <tgen at netphreax.net>: > > Any advice? > > Ideally, the umount shouldn't be able to succeed because it's still open > as CWD for someone. Maybe but the bug also occurs w/o unmounting (cf my previous email). Freebsd allows forced unmounts but does not crash. Linux on the other hand behaves as you suggest (forced unmount fails).