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

[Rayagond K. <ray...@gm...>]

On 6 February 2013 02:08, Keller, Jacob E <jac...@in...> wrote:

> It's an error with Tx timestamping, and the most likely cause is that your
> driver is not returning the timestamp within the timeout.


Yes Jacob, my driver was not returning the tx timestamp within the timeout.
I am able to fix it. Thank you.


> 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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