PTP no longuer working on igb since 4.15.0-33
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Committed
|
Medium
|
Unassigned | ||
Bionic |
Fix Committed
|
Medium
|
Unassigned |
Bug Description
ptp4l is no longer able to sync the PHC of a i350 (igb driver) since 4.15.0-33-generic.
4.15.0-32-generic work.
It no longer reach the slave state and is stuck to UNCALIBRATED:
Aug 31 10:03:29 ptp4l[1259]: [79.208] [0:enp7s0f1] port 1: link up
Aug 31 10:03:29 ptp4l[1259]: [79.260] [0:enp7s0f1] port 1: FAULTY to LISTENING on INIT_COMPLETE
Aug 31 10:03:30 ptp4l[1259]: [80.814] [0:enp7s0f1] port 1: new foreign master ec4670.
Aug 31 10:03:34 ptp4l[1259]: [84.815] [0:enp7s0f1] selected best master clock ec4670.fffe.009fc5
Aug 31 10:03:34 ptp4l[1259]: [84.815] [0:enp7s0f1] port 1: LISTENING to UNCALIBRATED on RS_SLAVE
OR
Aug 31 10:53:44 ptp4l[1259]: [3094.219] [0:enp7s0f1] timed out while polling for tx timestamp
Aug 31 10:53:44 ptp4l[1259]: [3094.219] [0:enp7s0f1] increasing tx_timestamp_
Aug 31 10:53:44 ptp4l[1259]: [3094.219] [0:enp7s0f1] port 1: send delay request failed
Aug 31 10:53:44 ptp4l[1259]: [3094.219] [0:enp7s0f1] port 1: UNCALIBRATED to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED)
Aug 31 10:54:00 ptp4l[1259]: [3110.292] [0:enp7s0f1] port 1: FAULTY to LISTENING on INIT_COMPLETE
Aug 31 10:54:02 ptp4l[1259]: [3112.052] [0:enp7s0f1] port 1: new foreign master ec4670.
Aug 31 10:54:06 ptp4l[1259]: [3116.053] [0:enp7s0f1] selected best master clock ec4670.fffe.009fc5
Aug 31 10:54:06 ptp4l[1259]: [3116.053] [0:enp7s0f1] port 1: LISTENING to UNCALIBRATED on RS_SLAVE
On 4.15.0-32-generic:
Aug 31 09:52:27 ptp4l[2392]: [654.860] [0:enp7s0f1] port 1: new foreign master ec4670.
Aug 31 09:52:31 ptp4l[2392]: [658.861] [0:enp7s0f1] selected best master clock ec4670.fffe.009fc5
Aug 31 09:52:31 ptp4l[2392]: [658.861] [0:enp7s0f1] port 1: LISTENING to UNCALIBRATED on RS_SLAVE
Aug 31 09:52:33 ptp4l[2392]: [660.737] [0:enp7s0f1] port 1: minimum delay request interval 2^1
Aug 31 09:52:34 ptp4l[2392]: [662.037] [0:enp7s0f1] port 1: UNCALIBRATED to SLAVE on MASTER_
I don't know if it is a driver change or a network/timekeeping change or other that is the root cause of this.
Changed in linux (Ubuntu): | |
assignee: | nobody → Joseph Salisbury (jsalisbury) |
Changed in linux (Ubuntu Bionic): | |
status: | New → Fix Committed |
importance: | Undecided → Medium |
assignee: | nobody → Joseph Salisbury (jsalisbury) |
tags: | added: cscc |
This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1790096
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.