Re: [Linuxptp-users] Some general questions.

2018-09-06 Thread TheMazzim M
richardcoch...@gmail.com; linuxptp-users@lists.sourceforge.net > > Subject: Re: [Linuxptp-users] Some general questions. > > > > Many thanks Richard. Follow up: > > > > > > >Well, there is a driver bug. There is a fix upstream, but your old > > >4.2 kernel

Re: [Linuxptp-users] Some general questions.

2018-09-05 Thread Keller, Jacob E
> -Original Message- > From: TheMazzim M [mailto:maz...@gmail.com] > Sent: Thursday, August 30, 2018 10:52 AM > To: richardcoch...@gmail.com; linuxptp-users@lists.sourceforge.net > Subject: Re: [Linuxptp-users] Some general questions. > > Many thanks Richard. Fol

Re: [Linuxptp-users] Some general questions.

2018-08-30 Thread Richard Cochran
On Thu, Aug 30, 2018 at 07:51:33PM +0200, TheMazzim M wrote: > Imagine that. An actual error log that describes the problem! :) > Upgrading completely could compromise a very stable platform for other > tasks this stack executes. > Which version has the fix?? I'll have to check the git logs. Pi

Re: [Linuxptp-users] Some general questions.

2018-08-30 Thread TheMazzim M
Chris, >PTP timestamp can be in either the MAC layer or the PHY layer. Thanks for the clarification. I was under the false impression that "hardware" timestamping was unique to the PHY layer only, thus my confusion with the kernel settings. Marco

Re: [Linuxptp-users] Some general questions.

2018-08-30 Thread TheMazzim M
Many thanks Richard. Follow up: >Well, there is a driver bug. There is a fix upstream, but your old >4.2 kernel lacks the fix. You can either upgrade your kernel or >back port the fix. Imagine that. An actual error log that describes the problem! Upgrading completely could compromise a very st

Re: [Linuxptp-users] Some general questions.

2018-08-30 Thread Chris Caudle
TheMazzim M wrote: > BUT, if I look at the kernel config file for 4.2.0-27-generic Ubuntu 14.04 > kernel, I discover that: > > # CONFIG_NETWORK_PHY_TIMESTAMPING is not set > > Question: Why is this not consistent with what ethtool reports?? I did not see an explicit answer to this part of your qu

Re: [Linuxptp-users] Some general questions.

2018-08-30 Thread Richard Cochran
On Thu, Aug 30, 2018 at 12:59:12AM +0200, TheMazzim M wrote: > 2) The igb driver is loaded for the NIC on this PC104. As a result, the ptp > module is loaded as well. You can believe the ethtool output. > As I understand, this is further evidence that > hardware time stamping is supported?? Yet,

Re: [Linuxptp-users] Some general questions.

2018-08-30 Thread Richard Cochran
On Thu, Aug 30, 2018 at 12:59:12AM +0200, TheMazzim M wrote: > BUT, if I look at the kernel config file for 4.2.0-27-generic Ubuntu 14.04 > kernel, I discover that: > > # CONFIG_NETWORK_PHY_TIMESTAMPING is not set > > Question: Why is this not consistent with what ethtool reports?? Or are > thes