[Linuxptp-users] issues with mixed software timestamp / hardware timestamp setup

2019-02-08 Thread Frank Dekervel
Hello, I'm running a mixed setup of hardware timestamps (linuxptp 2.0) on an ubuntu trusty setup and software timestaps (linuxptp 1.8 from debian stretch on armhf, smsc95xx, same chip as raspberrypi) on an embedded system based on debian stretch. What i observe is: - the computers with hardw

Re: [Linuxptp-users] issues with mixed software timestamp / hardware timestamp setup

2019-02-11 Thread Frank Dekervel
nk On Sat, Feb 9, 2019 at 4:57 AM Richard Cochran wrote: > On Fri, Feb 08, 2019 at 08:22:31PM +0100, Frank Dekervel wrote: > > What i observe is: > > > >- the computers with hardware timestamps do sync fine > >- the embedded system claims to be in sync wi

Re: [Linuxptp-users] issues with mixed software timestamp / hardware timestamp setup

2019-02-12 Thread Frank Dekervel
t 4:04 PM Chris Caudle wrote: > > From: Frank Dekervel > > it actually syncs somehow, but the time difference is > > 37 seconds. and the strange thing is that these 37 seconds > > look to be more or less constant > > 37 seconds is the offset between TAI and UTC due to

Re: [Linuxptp-users] issues with mixed software timestamp / hardware timestamp setup

2019-02-19 Thread Frank Dekervel
Feb 12, 2019 at 09:09:28AM +0100, Frank Dekervel wrote: > > I worked around the issue now by setting utc_offset to 0. that's not a > > proper fix, so i'm still trying to find out where the UTC time comes > from, > > i'm going to review all configfiles now. > >