[syslinux] Problem with 90MB Initrd

[Gene Cumm]

On Mon, Sep 21, 2015 at 8:16 AM, Patrick Masotta <masottaus at yahoo.com> wrote:
>>>>
>  >
>  > 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...

Patrick, the pattern is quite recognizable.  See also "[syslinux] EFI
& PXE-booting: very slow TFTP performance on a VMWare test setup"
http://www.syslinux.org/archives/2015-June/023634.html

-- 
-Gene