Re: [Linuxptp-users] recvmsg tx timestamp failed: Resource temporarily unavailable

[Keller, J. E <jac...@in...>]

It's an error with Tx timestamping, and the most likely cause is that your driver is not returning the timestamp within the timeout. I suggest increasing the tx_timeout variable in the config file and passing it using -f /path/to/config

Thanks

 - Jake

> -----Original Message-----
> From: Rayagond Kokatanur [mailto:ray...@gm...]
> Sent: Tuesday, February 05, 2013 4:48 AM
> To: lin...@li...
> Subject: [Linuxptp-users] recvmsg tx timestamp failed: Resource
> temporarily unavailable
> 
> Hi All
> 
> I am getting following messages when I run the command - ptp4l -i eth1
> -p /dev/ptp0 -m
> 
> ptp4l[9393.328]: selected /dev/ptp0 as PTP clock
> ptp4l[9393.330]: failed to read out the clock frequency adjustment:
> Operation not supported
> ptp4l[9393.330]: port 1: get_ts_info not supported
> ptp4l[9393.335]: port 1: INITIALIZING to LISTENING on INITIALIZE
> ptp4l[9393.335]: port 0: INITIALIZING to LISTENING on INITIALIZE
> ptp4l[9399.335]: port 1: LISTENING to MASTER on
> ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES
> ptp4l[9400.342]: recvmsg tx timestamp failed: Resource temporarily
> unavailable
> ptp4l[9400.342]: port 1: send sync failed
> ptp4l[9400.342]: port 1: MASTER to FAULTY on FAULT_DETECTED
> ptp4l[9415.349]: port 1: FAULTY to LISTENING on FAULT_CLEARED
> ptp4l[9421.349]: port 1: LISTENING to MASTER on
> ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES
> ptp4l[9422.356]: recvmsg tx timestamp failed: Resource temporarily
> unavailable
> ptp4l[9422.356]: port 1: send sync failed
> ptp4l[9422.356]: port 1: MASTER to FAULTY on FAULT_DETECTED
> ptp4l[9437.363]: port 1: FAULTY to LISTENING on FAULT_CLEARED
> 
> What does this error means ?
> 
> I am returning the timestamp back to socket using "skb_tstamp_tx()"
> api in my driver.
> 
> 
> WWR
> Rayagond
> 
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