Re: [Linuxptp-users] Bug in LinuxPTP

[Richard C. <ric...@gm...>]

On Thu, Jul 04, 2013 at 02:59:57PM +0530, Aman Sharma wrote:

> Machine details:
> OS: 12.04 ubuntu
> Kermel version: 3.2.0-40-generic
> Ethernet controller: INTEL 82579LM with e1000e kernel driver

...

> We are not able to figure out why "send sync failed" is happening
> interface is UP and connected to other linux machine with linuxptp
> runnning.

It is because the e1000e needs kernel version 3.5 or newer to support
software transmit time stamps.

See the Driver Support Matrix at:

   http://linuxptp.sourceforge.net/

Thanks,
Richard