[ECOS] Problem with redboot load commande

[ECOS] Problem with redboot load commande

[Philippe-Antoine DAVID]

Hello everyone,

I am encountering a strange problem while trying to load a linux kernel 
bzImage with redboot, or any other file.

I always get the following message:

I/O error: No such file

I type as following:

Redboot> load -v -r -m http -b 0x00090000 -h xxx.xxx.xxx.xxx /src/bzImage

My network connection is working, the ping to my host (working with Linux 
CentOS) is fine, the http server is activated.
I tried to change the order of the command parameters, nd also to load a 
file from a local disk; and checked thousand times my path.
I need your help, I must be missing something elementary.

Thanks in advance

Philippe

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Re: [ECOS] Problem with redboot load commande

[Gary Thomas]

On Fri, 2006-06-02 at 14:12 +0200, Philippe-Antoine DAVID wrote:
> Hello everyone,
> 
> I am encountering a strange problem while trying to load a linux kernel 
> bzImage with redboot, or any other file.
> 
> I always get the following message:
> 
> I/O error: No such file
> 
> I type as following:
> 
> Redboot> load -v -r -m http -b 0x00090000 -h xxx.xxx.xxx.xxx /src/bzImage
> 
> My network connection is working, the ping to my host (working with Linux 
> CentOS) is fine, the http server is activated.
> I tried to change the order of the command parameters, nd also to load a 
> file from a local disk; and checked thousand times my path.
> I need your help, I must be missing something elementary.

This very much depends on your TFTP server.  Most are restricted
to a particular directory [tree] for security reasons, so you aren't
allowed to use a whole path name.  For example, on Red Hat (Fedora)
systems, TFTP can only serve from the /tftpboot directory and that
is implied in the path name, so the RedBoot command:
  RedBoot> lo dir/file.test
would come from /tftpboot/dir/file.test

You'll need to check the documentation on your TFTP server setup
for the exact details.

-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------


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Re: [ECOS] Problem with redboot load commande

[Gary Thomas]

On Fri, 2006-06-02 at 06:19 -0600, Gary Thomas wrote:
> On Fri, 2006-06-02 at 14:12 +0200, Philippe-Antoine DAVID wrote:
> > Hello everyone,
> > 
> > I am encountering a strange problem while trying to load a linux kernel 
> > bzImage with redboot, or any other file.
> > 
> > I always get the following message:
> > 
> > I/O error: No such file
> > 
> > I type as following:
> > 
> > Redboot> load -v -r -m http -b 0x00090000 -h xxx.xxx.xxx.xxx /src/bzImage
> > 
> > My network connection is working, the ping to my host (working with Linux 
> > CentOS) is fine, the http server is activated.
> > I tried to change the order of the command parameters, nd also to load a 
> > file from a local disk; and checked thousand times my path.
> > I need your help, I must be missing something elementary.
> 
> This very much depends on your TFTP server.  Most are restricted
> to a particular directory [tree] for security reasons, so you aren't
> allowed to use a whole path name.  For example, on Red Hat (Fedora)
> systems, TFTP can only serve from the /tftpboot directory and that
> is implied in the path name, so the RedBoot command:
>   RedBoot> lo dir/file.test
> would come from /tftpboot/dir/file.test
> 
> You'll need to check the documentation on your TFTP server setup
> for the exact details.

Sorry, I should read more carefully before I babble on.

Since you are using HTTP, the details will be different, but probably
still relevant as the path name will be what the HTTP server exports,
not a generic file path.

-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------


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Re: [ECOS] Problem with redboot load commande

[Andrew Lunn]

On Fri, Jun 02, 2006 at 06:19:19AM -0600, Gary Thomas wrote:
> On Fri, 2006-06-02 at 14:12 +0200, Philippe-Antoine DAVID wrote:
> > Hello everyone,
> > 
> > I am encountering a strange problem while trying to load a linux kernel 
> > bzImage with redboot, or any other file.
> > 
> > I always get the following message:
> > 
> > I/O error: No such file
> > 
> > I type as following:
> > 
> > Redboot> load -v -r -m http -b 0x00090000 -h xxx.xxx.xxx.xxx /src/bzImage
> > 
> > My network connection is working, the ping to my host (working with Linux 
> > CentOS) is fine, the http server is activated.
> > I tried to change the order of the command parameters, nd also to load a 
> > file from a local disk; and checked thousand times my path.
> > I need your help, I must be missing something elementary.
> 
> This very much depends on your TFTP server.  Most are restricted
> to a particular directory [tree] for security reasons, so you aren't
> allowed to use a whole path name.  For example, on Red Hat (Fedora)
> systems, TFTP can only serve from the /tftpboot directory and that
> is implied in the path name, so the RedBoot command:
>   RedBoot> lo dir/file.test
> would come from /tftpboot/dir/file.test
> 
> You'll need to check the documentation on your TFTP server setup
> for the exact details.

Hi Gary

-m http

So there is no tftp server involved.

Philippe. Look at the logs of your web server. Is there any error?
Any such error might give you a clue as to what is wrong with the
path.

        Andrew

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Re: [ECOS] Problem with redboot load commande

[David Vrabel]

Philippe-Antoine DAVID wrote:
> Hello everyone,
> 
> I am encountering a strange problem while trying to load a linux kernel
> bzImage with redboot, or any other file.
> 
> I always get the following message:
> 
> I/O error: No such file
> 
> I type as following:
> 
> Redboot> load -v -r -m http -b 0x00090000 -h xxx.xxx.xxx.xxx /src/bzImage

Does http://xxx.xxx.xxx.xxx/src/bzImage work in a regular webbrowser?
If not, then the problem is with your path and/or webserver set up.

David Vrabel
-- 
David Vrabel, Design Engineer

Arcom, Clifton Road           Tel: +44 (0)1223 411200 ext. 3233
Cambridge CB1 7EA, UK         Web: http://www.arcom.com/

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