On Thu, 5 May 2011 19:10:58 +0100, Michael Brown wrote:
On Thursday 05 May 2011 18:03:35 Jedrzej Kalinowski wrote:
First, I've altered the patch a bit, because the pxeprefix_dump
section
was added after the return statement so it wasn't accessed. I've
moved
it 3 lines up.
Finally, I got this dump:
http://www.iem.pw.edu.pl/~kalinoj1/public/pxeprefix_dump.jpg
Thanks. Sorry about the patch brokennesss.
This is properly strange. The structure in .prefix appears to be
intact, but
the copy made in .data16 is empty by the time undibus_probe()
executes. I
have no idea what could be causing this, especially since your binary
is
known-good on several other machines.
I would suggest that you try adding
#include <undipreload.h>
DBG_HD ( &preloaded_undi, sizeof ( preloaded_undi ) );
at various points in the code (starting with the top of main()) to
find out
when this structure gets zeroed out.
I've placed this in the top of main(), before initialise() function
call, and still got zeroes, starting at address 322e0e5c.
But I've got a hint ;)
I decided to try old gPXE 1.0.0 undionly.kpxe image and it worked fine!
--
JK
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