On Sun, 31 Aug 2014, Kuklin István wrote: > There is a network with central LDAP+Kerberos+AFS users. > If a central user tries to access an afs share, shutting down the client > is going to take about 3 minutes. It can be done using PAM modules, or > with a local (non-central) user using kinit <ldap+krb5-username>, then > aklog commands. > If user logs out correctly using unlog and kdestroy, it doesn't solve > the problem, shutting down is going to take about 3 minutes. > If I stop openafs-client service and umount /afs before shutdown, it > doesn't help. > It affects rebooting as well. > It seems that the system is trying to stop some "User Manager job" at > shutdown as far as I remember. > This problem affects Debian Jessie, shutdown was quite quick on Wheezy. > It affects all the client machines. > I'm writing this report from a client machine.
The kernel messages during the hang (ideally with timestamps) would be quite helpful for understanding what's going on here. I'll have to double-check, but I may only have wheezy and sid machines sitting around. I would expect any issues to also be present on sid, but one never knows... -Ben