[OpenAFS] Problem with current directory

[Staffan Hämälä]

Hi,

We have recently started using AFS at our university, and have moved about 50% 
of our department to AFS to see that everything works, before moving everyone else.

One problem that occurs for some of the Unix people is that the current 
directory sometimes gets lost. It seems to happen during weekends, when 
tickets/tokens expire. Also, it only seems to happen for people using KDE (but 
not gnome??).

Everyone here uses tcsh.

Our AFS servers are all running:
Redhat Enterprise Linux 5.3 (x86_64)
OpenAFS 1.4.8

The Client with the problem (Sunray server for people who have moved to AFS):
Redhat Enterprise Linux 4.7 (x86_64).
OpenAFS 1.4.6


It's all pretty vague, but it does happen for many people. From what I can see, 
it is connected to tokens/tickets that have expired during weekends (people 
logged on but with locked screens). It's only noticable on terminal windows that 
are CD'ed to the home directory. Doing a 'cd' makes things work again.

The tickets and tokens are refreshed when unlocking the screen blanker. The 
windows in question do have tokens (after unlocking the screen). Also, according 
to the prompt (and by looking at command history), the CWD should be the home 
directory.

This is how it looks:

~> pwd
pwd: cannot get current directory: No such file or directory

~> /bin/pwd
/bin/pwd: cannot get current directory: No such file or directory

~> cd

~> pwd
/afs/ltu.se/staff/s/sh


strace /bin/pwd gives:

getcwd(0x506040, 4096)                  = -1 ENOENT (No such file or directory)


Does anyone have any clues?


Thanks,
Staffan
Luleå University of Technology