Re: [Linuxptp-users] Ris: Ris: Ris: phc2sys doesn't update system clock anymore
PTP IEEE 1588 stack for Linux
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rcochran
From: Omar P. <op...@am...> - 2017-12-19 10:14:41
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Well, thankyou for your help... can you maybe try to help me to make some suggestion to them to what to check? you wrote that teh huge freqeuncy offset is to huge. could we start to investigate from there ? maybe a overflow of some calculation? waht do you mean with totally broken? the problem do you think is inside the linuxptp source code (ported to AMba) or maybe in the ethernet mac driver? thanks Omar Omar Pighi Sr. Engineer, VisLab Email op...@am... - Phone: +39 0521 90 6181 (GMT+1) VisLab, an Ambarella company - Parco Area delle Scienze, Tecnopolo, Pad. 33, Univ di Parma, 43124 PARMA, Italy Administration: of...@vi... phone: +39 0521 905725 Il 18/12/2017 19:00, Richard Cochran ha scritto: > On Mon, Dec 18, 2017 at 04:24:00PM +0100, Omar Pighi wrote: >>> Here is your problem. Don't you see the huge frequency offset? >> but it is on the master side so it can affect the slave phc behaviour as >> well?? > Yes, naturally. > >>> Where did you the PHC driver for the ambarella? AFAICT that chip has >>> no mainline support. >> i will ask to our "driver team"about this issue , any suggestion on what >> to check? > Ask them why their HW and/or SW is so totally broken. > > Thanks, > Richard > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > To access SPAM Manager Portal, please visit https://spammanager-4.messagelabs.com > ______________________________________________________________________ NOTE: This email (including attachments) contain Ambarella Proprietary and/or Confidential Information and is intended solely for the use of the individual(s) to whom it is addressed. Any unauthorized review, use, disclosure, distribute, copy, or print is prohibited. If you are not an intended recipient, please contact the sender by reply email and destroy all copies of the original message. Thank you. |