rtems-tftp server not working with iPXE.

[Chris Johns]

On 7/9/20 5:28 am, Karel Gardas wrote:
> 
> Hi,
> 
> I'm using latest rtems-tools, my HEAD is on
> eb3608133b41b9cb7b4dd55cb15d77691d2300c6.
> 
> I'm trying to use rtems-tftp-server to serve 5.1 pc686 BSP's tests to
> the target hardware. On target hardware side I'm using fairly recent
> iPXE code base (ISO downloaded last month) booting from USB stick and
> then tftp booting RTEMS application. At least that was theory, in
> practice I'm not able to tftp boot from iPXE since rtems tftp server
> complains about python errors:
> 
> ] tftp: server: all:69
> ] tftp: 1: start: 10.0.30.128:3419
> ] tftp: 1: error: <type 'exceptions.TypeError'>: unsupported operand
> type(s) for <<: 'str' and 'int'
> ] tftp: 1: end: 10.0.30.128:3419
> ] tftp: 2: start: 10.0.30.128:3419
> ] tftp: 2: error: <type 'exceptions.TypeError'>: unsupported operand
> type(s) for <<: 'str' and 'int'
> ] tftp: 2: end: 10.0.30.128:3419
> ] tftp: 3: start: 10.0.30.128:3419
> ] tftp: 3: error: <type 'exceptions.TypeError'>: unsupported operand
> type(s) for <<: 'str' and 'int'
> ] tftp: 3: end: 10.0.30.128:3419
> ] tftp: 4: start: 10.0.30.128:3419
> ] tftp: 4: error: <type 'exceptions.TypeError'>: unsupported operand
> type(s) for <<: 'str' and 'int'
> ] tftp: 4: end: 10.0.30.128:3419
> ] tftp: 5: start: 10.0.30.128:3419
> ] tftp: 5: error: <type 'exceptions.TypeError'>: unsupported operand
> type(s) for <<: 'str' and 'int'
> ] tftp: 5: end: 10.0.30.128:3419
> ] tftp: 6: start: 10.0.30.128:3419
> ] tftp: 6: error: <type 'exceptions.TypeError'>: unsupported operand
> type(s) for <<: 'str' and 'int'
> ] tftp: 6: end: 10.0.30.128:3419

Could you please add `raise` after this line ...

https://git.rtems.org/rtems-tools/tree/tester/rt/tftpserver.py#n442

and report back the exception trace back?

> and my iPXE is complaining about timeout while loading RTEMS binary over
> network.
> 
> The tftp server was started with following command-line:
> 
> sudo ~/git/rtems/rtems-tools/tester/rtems-tftp-server -v -b
> ~/sfw/rtems/5.1-smp/i386-rtems5/pc686/tests/

Looks fine.

> Since rtems-tftp server was changed by the commit above, I've thought it
> may be interesting to report.

Thank you for reporting this.

Chris