[Unionfs] Error using NFS over UnionFS

[Shaya Potter]

On Thu, 2006-03-30 at 18:55 -0500, Josef Sipek wrote:
> On Thu, Mar 30, 2006 at 03:27:10PM +0200, Alfonso wrote:
> > Hello everybody!
> > 
> > I am using UnionFS so merging two directories (a read only and a writeable
> > one) and exporting it with NFS to a lessdisks terminal. At the begining, the
> > terminal boots fine, without any problem. I can create/modify any
> > file/directory. The modifications are saved in the writeable directory on
> > the server.  The problem is that when I try any apt-get install large enough
> > (like apt-get install xfce4) on the client the kernel server gets an error
> > and the NFS server crashes.
> 
> apt-get is know to be broken by/break unionfs. It's probably mmap
> related. I'm tempted to say that you should try Shaya's mmap patch which
> has been in CVS for some number of days. But you'll need 2.6.16 kernel.
> 
> I'll look at it some more later on.

or just use the patch I posted that's against 1.1.3 :)