Re: [Linuxptp-users] Support for latest igb driver?

[Richard C. <ric...@gm...>]

On Fri, Dec 30, 2016 at 11:31:43AM -0500, Rich Schmidt wrote:
> I am sorry to report that the proposed fix to the problem SLAVE to FAULTY
> on FAULT_DETECTED (FT_UNSPECIFIED),
> shown below did not resolve the issue.
> Red Hat LINUX: with source kernel 4.9.0
> Intel igb driver: 5.4.0-k

Hm.  You said you have an i350?  I don't have that one.

Can you post your `lspci` output?

> Ran fine for a while then failed as shown below.  Able to restore by
> killing ptp4l, rmmod igb; modprobe igb, restart ptp4l.

Sure sounds like a driver or HW issue.

> Here is the ptp4l log after running successfully for 26.65 hours:

Can you hit the bug sooner by increasing the message rate?

For example, logMinDelayReqInterval=-4

I'll try some long term testing here...

Thanks,
Richard