[syslinux] lpxelinux.0 problems with CentOS 7.6

Jason Mann jason.mann at gmail.com
Fri Jun 28 09:47:52 PDT 2019

Thanks for your response Ady.

I have now tested with the prebuilt binaries from

Using this version of lpxelinux.0, with either TFTP or HTTP transfers,
results in a successful boot.

The test system is a QEMU+KVM virtual machine emulating a BIOS-based
system btw (not UEFI CSM).

Kind regards,

On Fri, 28 Jun 2019 at 16:35, Ady Ady via Syslinux
<syslinux at syslinux.org> wrote:
> > What can I do to further diagnose this issue?
> The email thread you linked to (still) continues; it does not finish in
> May 2019.
> Reading the whole set of emails in that email thread, you will notice
> that the other email thread is slightly different than yours (and
> actually that email thread has not finished yet). In spite of the
> differences, the suggestions that were already given in that other
> email thread are also relevant for the symptoms you are seeing (e.g.
> test Syslinux-related packages from current Debian Sid; use "LINUX"
> rather than "KERNEL", CSM vs. UEFI mode...).
> I would suggest (re-)reading the entire email thread (sorted by date),
> not only the emails from May 2019. Hopefully sharing the results of
> your tests would help narrowing down the problem(s).
> FWIW, there are even more tests that I could suggest (for both
> problems); I can only hope that at some point Peter (hpa) and/or Gene
> will get involved.
> @hpa, the problem described in the other email thread is in Syslinux,
> not in Cisco's hardware/firmware.
> Regards,
> Ady.
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