Don't worry. I remember. cifs.kext is hella more stable nowadays than back then. I used to have the entire OS come to a grinding halt if a mounted Samba (or NFS) share disappeared (e.g. mount local share at home, put laptop to sleep, wake laptop at school).
I remember that in (I think 10.3) they "fixed" the issue by having a timeout dialog popup and ask if you wanted to disconnect... only it was too sensitive and would popup (and then go away before you could react) if there was any jitter in the network connection.
I remember that in (I think 10.3) they "fixed" the issue by having a timeout dialog popup and ask if you wanted to disconnect... only it was too sensitive and would popup (and then go away before you could react) if there was any jitter in the network connection.