[syslinux] Syslinux 4.04 gpxelinux.0 http performance problem with VMware VMs

[H. Peter Anvin]

On 05/08/2012 11:51 AM, Pasi Kärkkäinen wrote:
> 
> And one more mail to my monologue.. 
> 
> After the PXE boot in the VM is complete and I transfer the *same* file over http
> from *Linux*, I don't get (almost) any TCP retransmits! 
> 
> So the big amount of TCP retransmits is only happening when pxelinux.0 is downloading over http..
> 

Yes, I've seen this on hardware too... the PXE stack receiver briefly
stops responding.  I don't know if it is a pxelinux bug, a lwIP bug, or
a firmware bug...

	-hpa

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