[U-Boot] [RFC] NFS issue when loading two files

Wolfgang Denk wd at denx.de
Wed Dec 5 23:20:53 CET 2012


Dear Matthias Brugger,

In message <50BF9CC3.9020207 at gmail.com> you wrote:
> 
> I run into an NFS issue when trying to load two files from nfs for 
> booting (uImage and device tree binary):
> 
> When I try to unmount after loading the first file, I get some timeouts 
> from the host which will lead to a re-send of the message.
> Eventually I get a response from the host, but with a smaller rpc_id, as 
> rpc_id is incremented on every re-send as well. This leads in an abort 
> of the boot procedure, although a valid answer was given from the host.

How do you do the umount in U-Boot?

> [1] the process looks like:
> mount
> read file
> unmount (timed out) #1
> unmount (timed out) #2
> unmount
> get response of #1
> mount
> get response of #2
> error!

What is the exact sequence of U-Boot coomands that would trigger such
an error?

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Always try to do things in chronological order; it's  less  confusing
that way.


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