NFSv4 client lock-ups

[Fredrik Tolf]

On Sat, 2006-12-23 at 23:50 +0100, Trond Myklebust wrote:
> On Fri, 2006-12-22 at 03:17 +0100, Fredrik Tolf wrote:
> > On Sun, 2006-12-10 at 05:53 +0100, Fredrik Tolf wrote:
> > > During that time, it seems completely random whether other processes
> > > that also use NFS will lock up on the same thing. Sometimes they do,
> > > other times they don't. I've never seen *all* NFS-using processes lock
> > > up at the same time. When several processes lock up, it seems they all
> > > continue running at the same time.
> > 
> > I just watched this happening even to the X server, which I cannot
> > imagine would access the NFS filesystem (I've only got /home over
> > NFSv4). Any idea how this could be?
> 
> Which X server? A few of them are notorious for causing various forms of
> memory corruption.

I'm using a standard Gentoo X.org 1.1 server (although with nVidia's
proprietary driver), but I don't really understand how this problem
could be caused my memory corruption. If that were the problem, I'd be
expecting segfaults and kernel panics, not what appears to be controlled
uninterruptible sleep, no?

Fredrik Tolf