I am seeing the same thing. Great timing. I don't know if pictures will go through this forum. Using a Xilinx MPSoC platform as well with an AR8031 PHY. Ethtool shows the following. Below is a comparison between a Ubuntu 18.04 system and an embedded Linux (Yocto) system. Using the pmc GET TIME_STATUS_NP command is shown on both systems below. You can see the master_offset and ingress_time are way off.
[cid:image001.png@01D6C8B6.71C7A240] [cid:image002.png@01D6C8B6.A7F7B440] [cid:image003.png@01D6C8B6.A96BDDB0] -----Original Message----- From: Richard Cochran <richardcoch...@gmail.com> Sent: Monday, November 30, 2020 9:43 AM To: radhey pandey <radhe...@gmail.com> Cc: linuxptp-users@lists.sourceforge.net Subject: [External] Re: [Linuxptp-users] High drift when bringing up ptp4l stack on a new timer IP On Mon, Nov 30, 2020 at 10:18:31PM +0530, radhey pandey wrote: > Any thoughts on how we can narrow down this PTP drift issue further? The problem is surely in the driver and/or HW/ip core. Can't help you here with that! Sorry, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net<mailto:Linuxptp-users@lists.sourceforge.net> https://lists.sourceforge.net/lists/listinfo/linuxptp-users
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