[syslinux] Hyper-V Gen 2 waiting for ldlinux.e64

[Clements, James]

> On Wed, Oct 07, 2015 at 01:58:51PM +0200, James Clements via Syslinux
> wrote:
> > On Wed, Oct 07, 2015 at 07:21:28AM -0400, Gene Cumm via Syslinux wrote:
> > > On Wed, Oct 7, 2015 at 6:40 AM, Clements, James via Syslinux wrote:
> > > > Hi,
> > > >
> > > > I am using a Windows Server 2012 R2 Hyper-V Generation 2 VM as a
> > > > PXE client (no physical machines available). This is a UEFI VM,
> > > > and as per instructions I've read I have disabled secure boot on
> > > > this VM for the installation of Linux.
> > > >
> > > >
> > > > The problem I am experiencing is that when I attempt to PXE boot
> > > > my Hyper-V VM client, I can see it requesting the syslinux.efi
> > > > file from the tftp server. The initial request has options for
> > > > both tsize and blksize included, and the response packets from the
> > > > tftp server include both options as well.
> > > >
> > > > I have a packet capture here (please excuse the 'noise') which
> > > > demonstrates the problem I am seeing here:
> > > >
> > > > https://dl.dropboxusercontent.com/u/102712992/capture.pcap
> > >
> > > http://www.syslinux.org/archives/2015-October/024375.html
> > >
> > > git://github.com/geneC/syslinux.git
> > > https://github.com/geneC/syslinux.git
> > >
> > > Branch 1efipxe
> > >
> > >
> > > https://sites.google.com/site/genecsyslinux/sl604p0g18-x64.tgz?attre
> > > directs=0&d=1
> > > https://sites.google.com/site/genecsyslinux/sl604p0g18-bios.tgz?attr
> > > edirects=0&d=1
> > >
> > > Please try these binaries.  Thanks in advance.
> > >
> >
> >
> > Hi Gene,
> >
> > Thanks for the quick reply. I have just tested the binaries from
> > sl604p0g18-x64.tgz and still have the same   issue. Here is another
> > capture using the new binaries, although to be honest the ldlinux.e64
> > behaviour looks much like the first:
> >
> > https://dl.dropboxusercontent.com/u/102712992/capture2.pcap
> >
>
> Did wget that PCAP-file, found this
>
> 13:36:47.954215 IP 192.168.205.50.1938 > 192.168.205.1.tftp:  40 RRQ
> "efi64/syslinux.efi" octet blksize 1482
> 13:36:47.954774 IP 192.168.205.1.47973 > 192.168.205.50.1938: UDP, length 15
> 13:36:47.955380 IP 192.168.205.50.1938 > 192.168.205.1.47973: UDP, length 4
> 13:36:47.955417 IP 192.168.205.1.47973 > 192.168.205.50.1938: UDP, length
> 1486
> 13:36:47.955421 IP 192.168.205.1 > 192.168.205.50: udp
> 13:36:47.955482 IP 192.168.205.50.1938 > 192.168.205.1.47973: UDP, length 4
> 13:36:47.955499 IP 192.168.205.1.47973 > 192.168.205.50.1938: UDP, length
> 1486
> 13:36:47.955502 IP 192.168.205.1 > 192.168.205.50: udp
> 13:36:47.955553 IP 192.168.205.50.1938 > 192.168.205.1.47973: UDP, length 4
> 13:36:47.955568 IP 192.168.205.1.47973 > 192.168.205.50.1938: UDP, length
> 1486
> 13:36:47.955571 IP 192.168.205.1 > 192.168.205.50: udp which is the start of
> the TFTP transfer of efi64/syslinux.efi
>
> Then at the end
>
> $ /usr/sbin/tcpdump -r capture2.pcap ether host 00:15:5d:7c:99:03 | tail
> reading from file capture2.pcap, link-type EN10MB (Ethernet)
> 13:36:47.964568 IP 192.168.205.1.47973 > 192.168.205.50.1938: UDP, length
> 1486
> 13:36:47.964571 IP 192.168.205.1 > 192.168.205.50: udp
> 13:36:47.964623 IP 192.168.205.50.1938 > 192.168.205.1.47973: UDP, length 4
> 13:36:47.964636 IP 192.168.205.1.47973 > 192.168.205.50.1938: UDP, length 30
> 13:36:47.964685 IP 192.168.205.50.1938 > 192.168.205.1.47973: UDP, length 4
> 13:36:47.974245 IP 192.168.205.50.1939 > 192.168.205.1.tftp:  47 RRQ
> "efi64/ldlinux.e64" octet tsize 0 blksize 1408
> 13:36:47.974552 IP 192.168.205.1.56054 > 192.168.205.50.1939: UDP, length 28
> 13:36:48.975612 IP 192.168.205.1.56054 > 192.168.205.50.1939: UDP, length 28
> 13:36:50.971212 IP 192.168.205.1.57375 > 192.168.205.50.1937: UDP, length 28
> 13:36:50.977653 IP 192.168.205.1.56054 > 192.168.205.50.1939: UDP, length 28
>
> I do read in that 192.168.205.50 going deaf.
>
>
>
> Groeten
> Geert Stappers
> --
> Leven en laten leven
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Hi Geert,

Do you have any suggestions on how I could resolve this issue then?

Thanks,

James

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