Re: [Nbd] nbd-client hangs

[Wouter Verhelst <wouter@...3...>]

On Wed, May 17, 2006 at 06:05:33PM -0400, Mike Snitzer wrote:
> On 5/3/06, Wouter Verhelst <wouter@...3...> wrote:
> >On Tue, May 02, 2006 at 08:59:04PM -0400, Gaurav Gupta wrote:
> >> Here are the details.
> >>
> >> I am running the server on a fedor 5 box which has the ip address
> >> 192.168.1.103(private ip address). The server create several large
> >> files, all bellow 500 MB and is running on ports 4101 - 4117. I have
> >> another box connected to the server through a switch. The client can
> >> ping the server.
> >>
> >> The client is also running fedora 5. This is what I did on the client.
> >>
> >> ./MAKEDEV /dev/nb1
> >>
> >> Nbd-client 192.168.1.103 4101 /dev/nb1
> >> Output is
> >> Negotiating:
> >>
> >> Nothing further than this
> >
> >Right. It would appear something is going very wrong, then :)
> 
> Has there been any progress on this negotiation issue?  We (myself and
> coworkers) have seen this issue on 2.6.15 w/ nbd 2.8.4.  I didn't see
> anything in svn that spoke to progress on this issue but please let me
> know if there has been since Gaurav originally reported it.

No, because I haven't been able to reproduce it myself.

> BTW, I think we can safely eliminate concern about selinux, iptables,
> etc blocking the negotiation as nbd will negotiate if the server and
> the client are restarted again.  It almost feels like the server is
> wedged and therefore the client can't negotiate.  We'll be digging
> deeper but let me know if you have any insight on zeroing in on this.

If you think it's the server, you might get more information if you
compile it with "./configure --disable-syslog CFLAGS='-DDODBG -DNODAEMON'".
This will spew a lot of information on stdout that might give me a lead
on what the problem is.

-- 
Fun will now commence
  -- Seven Of Nine, "Ashes to Ashes", stardate 53679.4