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Thank you Gavin, <br>
I am using systemd, I still have the issue when I restart the service.<br>
I will try with the generic driver to compare results.<br>
<br>
Regards
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>De :</b> Gavin Lambert <gavin.lambert@tomra.com><br>
<b>Envoyé :</b> vendredi 17 avril 2020 01:40:14<br>
<b>À :</b> BUSSIERES Vincent; etherlab-users@etherlab.org<br>
<b>Objet :</b> RE: Problem at unplug and reconnection of network cable with Etherlab master patchset 20190904</font>
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<p class="MsoNormal">The udev rule is intended for motherboards with onboard e1000e only, due to an adverse interaction between the MEI power-saving and E1000E. I don’t think it will help with add-in cards – but then, in my testing none of the add-in cards
that I had were affected by the issue either, since they shouldn’t be interacting with the MEI.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">As noted in the docs, restarting the ethercat service (thereby reloading the driver) should also recover from the fault, though obviously that’s not an acceptable workaround in practice.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The good news is that (if it’s the same issue) if you switch to the generic driver then the problem should go away. The bad news is that this may limit your real-time performance. Another option is to drop back to Debian 8, or at least
a pre-4.4 Linux kernel.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p style="FONT-SIZE: 100%; FONT-FAMILY: Calibri, Candara, Segoe, Optima, Arial, sans-serif; COLOR: rgb(89,89,89)">
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<p class="MsoNormal"><b>From:</b> BUSSIERES Vincent<br>
<b>Sent:</b> Friday, 17 April 2020 11:23<br>
<b>To:</b> etherlab-users@etherlab.org<br>
<b>Subject:</b> [etherlab-users] Problem at unplug and reconnection of network cable with Etherlab master patchset 20190904<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">Dear Etherlab users,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">I am developing a software using Etherlab master patchset 20190904 for recent kernels.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">My environment is Linux Debian 9.5 with 4.9.0-8-amd64 kernel. I am using a add-in network card, Kernel driver in use is ec_e100e.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">I connect only one slave to the master.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">I noticed strange behaviours when I unplug and reconnect network cable. First times everythings is OK, I can see state link jump from up to down and down to up, communication
resumes.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">But sometimes my software doesn’t respond neither ethercat tools. Communication is break down, command etherlab master doesn’t work too.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">I must reboot computer to make it works again.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">As advised in the patch documentation, I add a rule with the following content : ACTION=="add",KERNEL=="mei0",ATTR{../../power/control}="on" but that didn’t solve the problem.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">I didn’t notice something wrong in dmesg log below.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.720209] EtherCAT DEBUG: 0C D1 00 00 00 00 1D 00 00 00 00 00 00 00 00 00
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.720214] EtherCAT DEBUG: 00 00 00 00 00 00 0F 00 00 00 00 00 00 00 00 00
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.720218] EtherCAT DEBUG: 00 08 00 38 C0 37 06 00 00 00 00 00
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.721186] EtherCAT DEBUG 0: Datagram ffff8cb3d35a93d8 already queued (skipping).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.721187] EtherCAT DEBUG 0: ec_master_send_datagrams(device_index = 0)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.721187] EtherCAT DEBUG 0: Adding datagram 0xD2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.721188] EtherCAT DEBUG 0: frame size: 46<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.721188] EtherCAT DEBUG 0: Sending frame:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.721188] EtherCAT DEBUG: FF FF FF FF FF FF 68 05 CA 8B CE EB 88 A4 29 10
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.721192] EtherCAT DEBUG: 0C D2 00 00 00 00 1D 00 00 00 00 00 00 00 00 00
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.721196] EtherCAT DEBUG: 00 00 00 00 00 00 0F 00 00 00 00 00 00 00 00 00
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.721200] EtherCAT DEBUG: 00 08 00 38 C0 37 06 00 00 00 00 00
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.722184] EtherCAT DEBUG 0: Datagram ffff8cb3d35a93d8 already queued (skipping).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.722185] EtherCAT DEBUG 0: ec_master_send_datagrams(device_index = 0)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.722185] EtherCAT DEBUG 0: Adding datagram 0xD3<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.722186] EtherCAT DEBUG 0: frame size: 46<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.722186] EtherCAT DEBUG 0: Sending frame:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.722186] EtherCAT DEBUG: FF FF FF FF FF FF 68 05 CA 8B CE EB 88 A4 29 10
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.722190] EtherCAT DEBUG: 0C D3 00 00 00 00 1D 00 00 00 00 00 00 00 00 00
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.722194] EtherCAT DEBUG: 00 00 00 00 00 00 0F 00 00 00 00 00 00 00 00 00
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.722198] EtherCAT DEBUG: 00 08 00 38 C0 37 06 00 00 00 00 00
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.723188] EtherCAT DEBUG 0: Datagram ffff8cb3d35a93d8 already queued (skipping).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.723189] EtherCAT DEBUG 0: ec_master_send_datagrams(device_index = 0)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.723189] EtherCAT DEBUG 0: Adding datagram 0xD4<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.723190] EtherCAT DEBUG 0: frame size: 46<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.723190] EtherCAT DEBUG 0: Sending frame:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.723190] EtherCAT DEBUG: FF FF FF FF FF FF 68 05 CA 8B CE EB 88 A4 29 10
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.723194] EtherCAT DEBUG: 0C D4 00 00 00 00 1D 00 00 00 00 00 00 00 00 00
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.723198] EtherCAT DEBUG: 00 00 00 00 00 00 0F 00 00 00 00 00 00 00 00 00
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.723202] EtherCAT DEBUG: 00 08 00 38 C0 37 06 00 00 00 00 00
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.723898] EtherCAT 0: 0 slave(s) responding on main device.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">[ 171.723899] EtherCAT 0: Stopping EoE thread.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">Does anybody has got an idea ? Thanks a lot.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR">Best regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="color:#1F497D;mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="FR" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1F497D;mso-fareast-language:FR">Vincent BUSSIERES<o:p></o:p></span></b></p>
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