Yanir at: https://sourceforge.net/p/e1000/mailman/message/34158396/ was able to help me with this problem.
He provided me with a patch to get this working. I have tested it and it has been working for > hour with no errors! Here is a the patch + what I did in case it helps anyone else. wget -O e1000e-3.1.0.2.tar.gz "http://sourceforge.net/projects/e1000/files/e1000e%20stable/3.1.0.2/e1000e-3.1.0.2.tar.gz/download"; tar xvf e1000e-3.1.0.2.tar.gz cd e1000e-3.1.0.2/src; patch < ../../fix_systim_issues-3.1.0.2.patch sudo make install $ cat fix_systim_issues-3.1.0.2.patch --- netdev.c.orig 2015-06-01 16:49:37.802312304 +0300 +++ netdev.c 2015-06-01 16:51:19.468306452 +0300 @@ -4614,7 +4614,10 @@ static cycle_t e1000e_cyclecounter_read( cycle_t systim, systim_next; /* latch SYSTIMH on read of SYSTIML */ - systim = (cycle_t)er32(SYSTIML); + u32 systim_overflow_latch_fix = 0x3FFFFFFF; + do { + systim = (cycle_t)er32(SYSTIML); + } while (systim > systim_overflow_latch_fix); systim |= (cycle_t)er32(SYSTIMH) << 32; if ((hw->mac.type == e1000_82574) || (hw->mac.type == e1000_82583)) { I apologize, my email composer (gmail) seems to delete the tabs in the patch. On Sat, May 30, 2015 at 12:11 AM, Richard Cochran <[email protected]> wrote: > On Fri, May 29, 2015 at 04:59:29PM -0500, Robb wrote: >> For whatever reason phc2sys seems to be blowing up the offsets. >> >> My set up is as follows: >> >> Two CentOS 6.5 machines >> 2.6.32-504.16.2.el6.x86_64 >> linuxptp-1.3-1.el6.x86_64 >> >> Machine1 eth1 [igb 5.0.5-k] Intel I210 (rev 03) >> Machine2 eth0 [e1000e 2.3.2-k] Intel I217-LM (rev 05) > > The I217-LM has a known HW bug. > >> I have read that there was some problems with the e1000e driver so I tried >> with >> the 3.1.0.2-NAPI version, but still have the same problem as above. >> >> Does anyone have any ideas what could be the problem here? > > This isn't a driver problem but rather a HW bug. I don't have that HW, > and I have not yet heard of any SW (driver) work arounds. You might > ask on the e1000e list if Intel has a solution to this problem. > > Thanks, > Richard ------------------------------------------------------------------------------ _______________________________________________ Linuxptp-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linuxptp-users
