On Sun, 18 Oct 2015, [email protected] wrote: > >Description: > df of an nfs mounted filesystem results in a continual loop of > the subject message. I have recompiled df w/ debug symbols > and added the 'abort' tag; however, it appears to hang rather > than aborting. Once in this state, it is impossible to kill > the df process. In single user mode, the subject message > repeats. Only a reboot stops the hang. I've tried running df > under gdb as well as ktrace and have appended data from those > sessions. > This is probably an nfs problem rather than pledge. Hopefully, > there's enough info to troubleshoot.
Thanks your for the comprehensive bug report! We've tracked it down to an interaction between NFS and pledge(). This led to some reconsideration of how some pledge bits were handled, so we're now polishing the involved changes. Philip Guenther
