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xCAT Network Boot Agent
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0dacd54174
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Michael Brown 0dacd54174 [realtek] Enable DAC only when built as a 64-bit binary 
Some RTL8169 cards (observed with an RTL8169SC) crash and burn if DAC
is enabled, even if only 32-bit addresses are used.  Observed
behaviour includes system lockups and repeated transmission of garbage
data onto the wire.

This seems to be a known problem.  The Linux r8169 driver disables DAC
by default and provides a "use_dac" module parameter.

There appears to be no known test for determining whether or not DAC
will work.  As a workaround, enable DAC only if we are built as as
64-bit binary.  This at least eliminates the problem in the common
case of a 32-bit build, which will never use 64-bit addresses anyway.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
2012-08-23 15:15:43 +01:00
contrib [contrib] Fix rom-o-matic git version number issues 2012-07-23 17:07:31 +01:00
src [realtek] Enable DAC only when built as a 64-bit binary 2012-08-23 15:15:43 +01:00
COPYING Initial revision 2005-05-17 16:44:57 +00:00
COPYRIGHTS [build] Rename gPXE to iPXE 2010-04-19 23:43:39 +01:00
README [doc] Re-add README file 2010-05-28 00:03:47 +01:00

README 

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org