Re: help with nfs export/mount

["J. Bruce Fields" <bfields@fieldses.org>]

On Thu, Sep 19, 2013 at 07:46:32AM -0700, Jody Gugelhupf wrote:
> ah ok, i have dropped the "fsid=0" as you had suggested but had still mounted with "sudo mount 192.168.2.3:/ /home/jarvis/Videos/xbmc"
> though when doing tab completition on cli it does show 
> ls /home/jarvis/Videos/xbmc/
> ls /home/jarvis/Videos/xbmc/home
> 
> ls /home/jarvis/Videos/xbmc/home/user
> 
> ls /home/jarvis/Videos/xbmc/home/user/media
> 
> ls /home/jarvis/Videos/xbmc/home/user/media/Series
> 
> and then hangs indeed

That does sound like a kernel or mountd bug.  Possibly it's confused by
the bind mounts.  Could you post the contents of /proc/self/mounts on
the server?

Also, reproduce the hang as above on the client, then as root on the
server, run:

	rpcdebug -m rpc -s cache
	cat /proc/net/auth.unix.ip/content
	cat /proc/net/rpc/nfsd.fh/content
	cat /proc/net/rpc/nfsd.export/content

and post the output.

Finally if you're up to building the latest nfs-utils and kernel from
source it would be interesting to know whether the bug persists
upstream.

--b.

> 
> 
> 
> 
> ----- Original Message -----
> From: J. Bruce Fields <bfields@fieldses.org>
> To: Jody Gugelhupf <knueffle@yahoo.com>
> Cc: "linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>
> Sent: Thursday, September 19, 2013 4:25:35 PM
> Subject: Re: help with nfs export/mount
> 
> On Thu, Sep 19, 2013 at 07:21:04AM -0700, Jody Gugelhupf wrote:
> > on client side (in order):
> > 
> > sudo mount 192.168.2.3:/ /home/jarvis/Videos/xbmc
> 
> As I said, if you've dropped the "fsid=0" (which you should) then you
> should be mounting the real server-side path, not /.
> 
> > no error msg, then trying to access the directory:
> > ls /home/jarvis/Videos/xbmc/home/user/media/Series
> > the console does not react,
> 
> So the mount succeeds, but the "ls" hangs?
> 
> --b.
> 
> > i open a new console and see again 
> > Sep 19 14:15:56 darkstar kernel: [61095.429346] nfs: server 192.168.2.3 OK
> > Sep 19 14:17:01 darkstar kernel: [61280.169706] nfs: server 192.168.2.3 not responding, still trying
> > 
> > 
> > but i also noticed this (didn't see it before)
> > Sep 19 16:12:53 darkstar rpc.idmapd[576]: nss_getpwnam: name 'user' not found in domain 'localdomain'
> > 
> > 
> > 
> > ----- Original Message -----
> > From: J. Bruce Fields <bfields@fieldses.org>
> > To: Jody Gugelhupf <knueffle@yahoo.com>
> > Cc: "linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>
> > Sent: Thursday, September 19, 2013 4:08:46 PM
> > Subject: Re: help with nfs export/mount
> > 
> > On Thu, Sep 19, 2013 at 07:03:30AM -0700, Jody Gugelhupf wrote:
> > > on server side I see in dmesg this:
> > > [8040437.603605] nfsd: last server has exited, flushing export cache
> > > [8040439.496016] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery directory
> > > [8040439.496035] NFSD: starting 90-second grace period
> > > 
> > > on client side i only see:
> > > Sep 19 13:27:56 darkstar kernel: [61095.429346] nfs: server 192.168.2.3 OK
> > > Sep 19 13:31:01 darkstar kernel: [61280.169706] nfs: server 192.168.2.3 not responding, still trying
> > >  is there a way to further debug?
> > 
> > Exactly what commands did you type, and what things happened, in what
> > order?
> > 
> > --b.
> > 
> --
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