Tx_timestamp_timeout value. If you set this to 5 it polls for up to 5 milliseconds instead of 1.
If that resolves your issue it's just a quirk of the particular hardware not being able to respond with a timestamp fast enough. Regards, Jake > -----Original Message----- > From: Axel Holzinger [mailto:aholzin...@gmx.de] > Sent: Tuesday, July 07, 2015 12:22 AM > To: linuxptp-users@lists.sourceforge.net > Subject: Re: [Linuxptp-users] tx_timestamp_timeout and i210 > > Hi Jake, > > please forgive me my ignorance. With poll timer you mean > tx_timestamp_retries, right? I always left it to its default 100. > > With tx_timestamp_timeout set to 5 (milliseconds) I didn't observe the > issue. > > Cheers > Axel > > > -----Original Message----- > > From: Keller, Jacob E [mailto:jacob.e.kel...@intel.com] > > Sent: Monday, July 6, 2015 8:21 PM > > To: linuxptp-users@lists.sourceforge.net; aholzin...@gmx.de > > Subject: Re: [Linuxptp-users] tx_timestamp_timeout and i210 > > > > If the increase in the polling time is enough to fix this, then it's > > likely just a delay that can be worked around. If you see drops above a > > a few milliseconds (try setting poll timer to 100? Too long and ptp4l > > will delay more significantly as it spins waiting.) > > > > Regards, > > Jake > > > > On Fri, 2015-07-03 at 15:44 +0200, Axel Holzinger wrote: > > > Hi Jake et al, > > > > > > unfortunately the error message "timed out while polling for tx > > > timestamp" > > > still occurs, even with EEE disabled (checked with "ethtool --show > > > -eee > > > eth0". > > > > > > Regards > > > Axel > > > > > > > -----Original Message----- > > > > From: Axel Holzinger [mailto:aholzin...@gmx.de] > > > > Sent: Tuesday, June 30, 2015 1:57 AM > > > > To: linuxptp-users@lists.sourceforge.net > > > > Subject: Re: [Linuxptp-users] tx_timestamp_timeout and i210 > > > > > > > > Got it. Thank you. > > > > > > > > I modified /etc/network/interfaces and added the last line > > > > ethtool --set-eee eth0 eee off > > > > > > > > Now even after a reboot EEE is switched off on eth0. > > > > > > > > Cheers > > > > Axel > > > > > > > > > -----Original Message----- > > > > > From: Keller, Jacob E [mailto:jacob.e.kel...@intel.com] > > > > > Sent: Tuesday, June 30, 2015 1:34 AM > > > > > To: Axel Holzinger; linuxptp-users@lists.sourceforge.net > > > > > Subject: RE: [Linuxptp-users] tx_timestamp_timeout and i210 > > > > > > > > > > Use ethtool. > > > > > > > > > > $ethtool --set-eee <device> off > > > > > > > > > > Don't bother with module parameters. On modern kernels all the > > > > > module > > > > > parameters have other ways of configuring the same behavior. > > > > > > > > > > Regards, > > > > > Jake > > > > > > > > > > > -----Original Message----- > > > > > > From: Axel Holzinger [mailto:aholzin...@gmx.de] > > > > > > Sent: Monday, June 29, 2015 4:10 PM > > > > > > To: linuxptp-users@lists.sourceforge.net > > > > > > Subject: Re: [Linuxptp-users] tx_timestamp_timeout and i210 > > > > > > > > > > > > Hi Jake, > > > > > > > > > > > > thanks for this rast reply. > > > > > > > > > > > > I searched the web and finally did this: > > > > > > > > > > > > sudo modprobe igb EEE=0 > > > > > > > > > > > > Does this suffice or how can I read the igb parameters? > > > > > > > > > > > > Thanks a lot > > > > > > Axel > > > > > > > > > > > > > -----Original Message----- > > > > > > > From: Keller, Jacob E [mailto:jacob.e.kel...@intel.com] > > > > > > > Sent: Tuesday, June 30, 2015 12:34 AM > > > > > > > To: Axel Holzinger; linuxptp-users@lists.sourceforge.net > > > > > > > Subject: RE: [Linuxptp-users] tx_timestamp_timeout and i210 > > > > > > > > > > > > > > Hi, > > > > > > > > > > > > > > Make sure you have disabled EEE support. If EEE is on, then > > > > > > > the i210 > > > > > > device > > > > > > > can take a very long time to return timestamps if the only > > > > > > > traffic > > > > running > > > > > > is > > > > > > > ptp. (since the link will go to sleep inbetween the frames). > > > > > > > > > > > > > > That should be the issue here. If you still see the issue > > > > > > > please let > > > > me > > > > > > know. > > > > > > > > > > > > > > Regards, > > > > > > > Jake > > > > > > > > > > > > > > > -----Original Message----- > > > > > > > > From: Axel Holzinger [mailto:aholzin...@gmx.de] > > > > > > > > Sent: Monday, June 29, 2015 3:24 PM > > > > > > > > To: linuxptp-users@lists.sourceforge.net > > > > > > > > Subject: [Linuxptp-users] tx_timestamp_timeout and i210 > > > > > > > > > > > > > > > > Hi Richard et al, > > > > > > > > > > > > > > > > on Ubuntu 14.04 with all updates and latest Intel i210 igb > > > > > > > > driver > > > I > > > > > > > > regularly get tx_timestamp_timeout error messages with the > > > > > > > > default > > > > > > > > timeout > > > > > > > > of 1ms. I then changed to 5ms and since then I don't see > > > > > > > > any more > > > > > > errors. > > > > > > > > > > > > > > > > Does anybody see similar problems? Might this be a problem > > > > > > > > of the > > > > PC > > > > > > > > (some > > > > > > > > years old HP xw workstation) or might this be a i210 > > > > > > > > problem? > > > > > > > > > > > > > > > > Any hint appreciated. > > > > > > > > > > > > > > > > Regards > > > > > > > > Axel > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > --------------------------------------------------------------------- > > > ------- > > > > > > -- > > > > > > > > Don't Limit Your Business. Reach for the Cloud. > > > > > > > > GigeNET's Cloud Solutions provide you with the tools and > > > > > > > > support > > > > that > > > > > > > > you need to offload your IT needs and focus on growing your > > > > business. > > > > > > > > Configured For All Businesses. Start Your Cloud Today. > > > > > > > > https://www.gigenetcloud.com/ > > > > > > > > _______________________________________________ > > > > > > > > Linuxptp-users mailing list > > > > > > > > Linuxptp-users@lists.sourceforge.net > > > > > > > > https://lists.sourceforge.net/lists/listinfo/linuxptp-users > > > > > > > > > > > > > > > > > > > > > > > > > --------------------------------------------------------------------- > > > ------- > > > > -- > > > > > > Don't Limit Your Business. Reach for the Cloud. > > > > > > GigeNET's Cloud Solutions provide you with the tools and > > > > > > support that > > > > > > you need to offload your IT needs and focus on growing your > > > > > > business. > > > > > > Configured For All Businesses. Start Your Cloud Today. > > > > > > https://www.gigenetcloud.com/ > > > > > > _______________________________________________ > > > > > > Linuxptp-users mailing list > > > > > > Linuxptp-users@lists.sourceforge.net > > > > > > https://lists.sourceforge.net/lists/listinfo/linuxptp-users > > > > > > > > > > > > > > > --------------------------------------------------------------------- > > > ------- > > > -- > > > > Don't Limit Your Business. Reach for the Cloud. > > > > GigeNET's Cloud Solutions provide you with the tools and support > > > > that > > > > you need to offload your IT needs and focus on growing your > > > > business. > > > > Configured For All Businesses. Start Your Cloud Today. > > > > https://www.gigenetcloud.com/ > > > > _______________________________________________ > > > > Linuxptp-users mailing list > > > > Linuxptp-users@lists.sourceforge.net > > > > https://lists.sourceforge.net/lists/listinfo/linuxptp-users > > > > > > > > > --------------------------------------------------------------------- > > > --------- > > > Don't Limit Your Business. Reach for the Cloud. > > > GigeNET's Cloud Solutions provide you with the tools and support that > > > you need to offload your IT needs and focus on growing your business. > > > Configured For All Businesses. Start Your Cloud Today. > > > https://www.gigenetcloud.com/ > > > _______________________________________________ > > > Linuxptp-users mailing list > > > Linuxptp-users@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/linuxptp-users > > > ------------------------------------------------------------------------------ > Don't Limit Your Business. 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