Thanks Miroslav & Richard, I will report this bug to the GM’s manufacturer.
Thank you and regards Zdenek From: Miroslav Lichvar <mlich...@redhat.com> Date: Tuesday, 6 September 2022 at 14:48 To: Richard Cochran <richardcoch...@gmail.com> Cc: Zdenek Chaloupka <z.c...@ieee.org>, linuxptp-devel@lists.sourceforge.net <linuxptp-devel@lists.sourceforge.net> Subject: Re: [Linuxptp-devel] PTP minor version change breaking at least one type of GM On Tue, Sep 06, 2022 at 06:34:12AM -0700, Richard Cochran wrote: > On Mon, Sep 05, 2022 at 06:06:23PM +0000, Zdenek Chaloupka via Linuxptp-devel > wrote: > > I have been playing with development version of Linuxptp connected to > > Microchip’s TP4100. It seems that commit (2a2532d) breaks compatibility > > with this particular GM. I am using G.8275.2 profile PTP configuration, > > i.e., unicast transmission. The signaling communication works fine, as well > > as Announce & Sync message reception. Delay_Resp message, however, never > > comes from GM. > > I took a brief look at the tp4100's web page. It appears to be > something like a PC. So I would ask the vendor for a firmware upgrade > that fixes the version bug. It might be an issue with their PHY/MAC not timestamping v2.1 delay requests. I think it would be odd if software checked the minor version in delay requests but not other messages. But everything is possible of course :). -- Miroslav Lichvar
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