[syslinux] PXELINUX 4.10-pre*

H. Peter Anvin hpa at zytor.com
Wed May 4 11:27:45 PDT 2011

On 05/04/2011 04:20 AM, Michael Brown wrote:
> iPXE's UNDI driver uses VMware in interrupt-driven mode, as far as I remember.  
> There are two workarounds that were added to cope with strange behaviour from 
> VMware:
> 1. Ignore packets with FrameLength==0 or FrameLength<BufferLength, both of 
> which have been observed.
> 2. Treat unexpected values of FuncFlag as equivalent to ISR_OUT_DONE.
> Both of these fixes are commented in arch/i386/drivers/undinet.c, and neither 
> requires specific detection of the VMware PXE stack.

OK, both of these seem very reasonable.


H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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