locked vnode / nfs... requires kill -9 in ddb

[John E Hein]

David Xu wrote at 15:10 +0800 on Oct 21, 2006:
 > On Saturday 21 October 2006 14:56, John E Hein wrote:
 > 
 > > David, here's the original report.
 > > http://lists.freebsd.org/pipermail/freebsd-stable/2006-October/029755.html
 > >
 > > Indeed, as Kostik surmised, the mount point is mounted intr.
 > >
 > > I did not notice this problem while running with releng_6 from late
 > > June for 3 months.  Could it be this problem was introduced between
 > > then and now?
 > >
 > > This also just happened today on a system I just updated from 5.3
 > > to 5.5-p8.
 > 
 > This is also RELENG_4's behavior, if PCATCH is set, the tsleep will
 > call CURSIG() which will suspends current process if there is a
 > SIGTSTP or SIGSTOP signal. 

Great.  Suspending the process is what I expect when I hit ctrl-z.
Hanging access to the filesystem isn't. ;)

Nor have I had this problem when running 4.11