Re: [Linuxptp-devel] Stepping the time backwards with phc2sys

2018-01-23 Thread Richard Cochran
On Tue, Jan 23, 2018 at 07:38:57AM -0600, Mike Lynch wrote: > Unless I'm missing something, without rebooting devices A and/or B, how does > setting the time in the boot scripts for devices A and/or B fix this? The issue is not the large backwards jump but rather trying to jump back before 1970,

Re: [Linuxptp-devel] Stepping the time backwards with phc2sys

2018-01-23 Thread Mike Lynch
On 1/22/2018 9:56 PM, Richard Cochran wrote: On Mon, Jan 15, 2018 at 04:59:13PM +, Loy, Matthias wrote: we are syncronizing devices using ptp. The absolute time is not relevant but all devices should be close to each other. Furthermore devices are connected and disconnected at any time and

Re: [Linuxptp-devel] Stepping the time backwards with phc2sys

2018-01-22 Thread Richard Cochran
On Mon, Jan 15, 2018 at 04:59:13PM +, Loy, Matthias wrote: > we are syncronizing devices using ptp. The absolute time is not > relevant but all devices should be close to each other. > > Furthermore devices are connected and disconnected at any time and most > of the time there is no real

[Linuxptp-devel] Stepping the time backwards with phc2sys

2018-01-15 Thread Loy, Matthias
Hello, we are syncronizing devices using ptp. The absolute time is not relevant but all devices should be close to each other. Furthermore devices are connected and disconnected at any time and most of the time there is no real grandmaster clock with higher priority. As a result, a new