Re: [Linuxptp-users] Failed synchronization

2016-08-04 Thread Daniel Le
Hi Richard, please see follow-up comments and questions inline. -Original Message- From: Richard Cochran [mailto:richardcoch...@gmail.com] Sent: Thursday, August 04, 2016 4:34 PM To: Daniel Le <daniel...@exfo.com> Cc: linuxptp-users@lists.sourceforge.net Subject: Re: [Linuxptp

Re: [Linuxptp-users] Failed synchronization

2016-08-04 Thread Richard Cochran
On Thu, Aug 04, 2016 at 07:36:45PM +, Daniel Le wrote: > I have frequent synchronization issue on a PTP ordinary clock which > has Linux kernel 3.18.12 and LinuxPTP v1.6. It runs in slave mode > with software timestamping. You didn't tell us what hardware your are using: platform, NIC,

[Linuxptp-users] Failed synchronization

2016-08-04 Thread Daniel Le
Hello, I have frequent synchronization issue on a PTP ordinary clock which has Linux kernel 3.18.12 and LinuxPTP v1.6. It runs in slave mode with software timestamping. To force the problem to occur every time, I change the system clock to be approximately 5 minutes ahead of PTP Grandmaster