[etherlab-dev] etherlab-dev Digest, Vol 7, Issue 2

[Pavan Bidkar]

Hi,
Yes, I have 'ec_master.ko' and 'ec_8139too.ko', modules in
/lib/modules/2.6.19/ethercat/ directory.
depmode command not found

Thanks,
Pavan


On 6/13/08, etherlab-dev-request at lists.etherlab.org <
etherlab-dev-request at lists.etherlab.org> wrote:
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> Today's Topics:
>
>   1. ethercat 1.3.2- execution error. (Pavan Bidkar)
>   2. Re: ethercat 1.3.2- execution error. (Florian Pose)
>   3. Re: EtherCAT WARNING: 1 datagram UNMATCHED! (Florian Pose)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 13 Jun 2008 13:28:05 +0530
> From: "Pavan Bidkar" <pgbidkar at gmail.com>
> Subject: [etherlab-dev] ethercat 1.3.2- execution error.
> To: etherlab-dev at lists.etherlab.org
> Message-ID:
>        <85c52ee70806130058t2fbad1bcva660a34ae971ceb4 at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi,
>     I am from Novellus India....I had conversation regarding ethercat
> master project. Regarding kernel mismatch error.
> Now I fixed the kernel mismatch error issue and ethercat 1.3.2 code is
> getting compiled without any issue.
>
> But when I am trying to run the /etc/init.d/ethercat start command it gives
> FATAL error "ec_master module not found" can you please suggest any
> solution
> for this?
>
> I used ether 1.1.1 for compilation procedure?
>
> Thanks,
> Pavan
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> ------------------------------
>
> Message: 2
> Date: Fri, 13 Jun 2008 10:58:10 +0200
> From: Florian Pose <fp at igh-essen.com>
> Subject: Re: [etherlab-dev] ethercat 1.3.2- execution error.
> To: etherlab-dev at lists.etherlab.org
> Message-ID: <20080613085810.GA13448 at yak.igh-essen.int>
> Content-Type: text/plain; charset=us-ascii
>
> Hi Pavan,
>
> On Fri, Jun 13, 2008 at 01:28:05PM +0530, Pavan Bidkar wrote:
> > But when I am trying to run the /etc/init.d/ethercat start command it
> gives
> > FATAL error "ec_master module not found" can you please suggest any
> solution
> > for this?
>
> Is the master module present in /lib/modules/<your-kernel>/ethercat? Did
> you try executing 'depmod'?
>
> --
> Best regards,
> Florian Pose
>
> http://etherlab.org
>
>
> ------------------------------
>
> Message: 3
> Date: Fri, 13 Jun 2008 11:16:55 +0200
> From: Florian Pose <fp at igh-essen.com>
> Subject: Re: [etherlab-dev] EtherCAT WARNING: 1 datagram UNMATCHED!
> To: etherlab-dev at lists.etherlab.org
> Message-ID: <20080613091655.GB13448 at yak.igh-essen.int>
> Content-Type: text/plain; charset=us-ascii
>
> Hi Olav,
>
> On Tue, Jun 10, 2008 at 01:36:46PM +0200, Zarges, Olav wrote:
> > received packet:
> >
> >       index=140, state=2, type=10, size=960
> >
> >
> > packets in master->datagram_queue:
> >
> >       index=142, state=2, type=10, data_size=960
> >       index=141, state=2, type= 4, data_size=2
> >
> > ...
> >
> > Any idea, why packet with index 140 isn't in the datagram_queue and/or
> > where it can get lost?
>
> Datagrams are only taken from the queue, if they
> - could not be sent due to the link being down
> - are received
> - timed out.
>
> Do you get a notification about datagrams that timed out or were
> skipped, too?
>
> I noticed, that the datagram size is very large, perhaps too large for
> 200 us? (960+24)*8/200e-6/1024/1024 are already ~38 MBit/s. Usually no
> problem, but did you try to increase the period?
>
> Moreover I wonder why datagram 142 is in the queue before 141...
>
> --
> Best regards,
> Florian Pose
>
> http://etherlab.org
>
>
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>
> End of etherlab-dev Digest, Vol 7, Issue 2
> ******************************************
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