[syslinux] Problem with 90MB Initrd

[Patrick Masotta]

>>>
 >
 > I have seen this before; Are you using VMware 12 ?
 > try changing the virtual driver.
 > I have reported a bug on certain VMware drivers that
 > mistakenly set TFTP blocksize to 1486 instead of 1468,
 > That leads to IP fragmentation and high chances of an aborted
 > TFTP transfer if the file is big. See here:
 > https://communities.vmware.com/message/2536960
 > A Wireshark traffic capture will confirm
 if you are suffering
 > this VMware bug
 >
 > VMware is lately having some issues with TFTP transfers,
 > This is another reported bug that produces extremely
 > low speed TFTP transfers under EFI; this could also lead
 > to aborted transfers if
 the file is big.
 > https://communities.vmware.com/message/2536774
 >
 > Best,
 > Patrick
 >

 Server is VMWare ESXi 5.5
  Mathias Radtke, uib

<<<

Despite you are using the 5.5 I would take a traffic capture
and see first hand what's really going on.
Please also consider VMware ESXi and Workstations PXE roms/drivers 
are the same...

Best,
Patrick