"mount: File exists" when trying to mount a second krb5 volume!

[J. Bruce Fields]

On Wed, Nov 15, 2006 at 06:31:17PM -0800, Open Source wrote:
> Here's what is happening.

Thanks for your persistence!

> For the second mount to the same server, the rpc client is
> cloned and has the same path in /var/lib/nfs/rpc_pipefs/nfs
> has the first connection.  Therefore on step 3 the pipe creation
> fails in net/sunrpc/auth_gss/auth_gss.c.  This causes the
> entire mount to fail.

Argh, I could swear we've tried to fix this problem at least twice
before....

> This is a serious bug that prevents important functionality
> of nfsv3 with krb5.  I notice that kernel 2.6.19 is on release
> candidate 5.  Is there any way a surgical fix can be inserted
> into 2.6.19 before final release?

I'll take a look tommorow if someone else doesn't beat me to it, but I
doubt we'll get it done that fast.

--b.