[etherlab-users] e1000e driver freeze on kernel 4.9.80 rtai 5.1

[René Reimann]

Hello,

we found out that the problem was in the e1000e driver, which caused the 
System to freeze under RTAI.
My colleague will later provide the code that solved the problem.

Best Regards
René Reimann


On 26.09.2018 09:55, René Reimann wrote:
> We tried to use only the e1000e driver for kernel 4.9.80 and no other 
> patches. Additionaly we tried the e1000e driver
> for kernel 3.18.22 with rtai 5.0. The problem remains the same in both 
> cases.
>
> There is no output to the syslog when the system freezes.
>
> On 26.09.2018 02:46, Gavin Lambert wrote:
>> Email Signature
>>
>> One of the first things you should try is to triage the patches by 
>> rolling them back and then adding them one at a time and testing 
>> until you find which patch appears to introduce the problem (or 
>> whether it exists in the baseline without any patches).  In most 
>> cases you can then try skipping that patch and applying subsequent 
>> ones until you find more problematic patches or you successfully 
>> apply the remainder.
>>
>> Please share your findings so that we know where to look for the culprit.
>>
>> (Also, if it manages to write some information to the syslog before 
>> freezing then that could be helpful.)
>>
>> FWIW, I’ve been using PREEMPT_RT kernel 4.9.51 with e1000e for a long 
>> while without issues.
>>
>> *From:*René Reimann
>> *Sent:* Tuesday, 25 September 2018 19:28
>> *To:* Gianluca Medini <gianluca.medini at gmail.com>; 
>> etherlab-users at etherlab.org
>> *Subject:* Re: [etherlab-users] e1000e driver freeze on kernel 4.9.80 
>> rtai 5.1
>>
>> Hello,
>>
>> we are experiencing the same problem with rtai 5.1 kernel 4.9.80 and 
>> rtai 5.0 kernel.
>> The system freezes randomly after several minutes with the e1000e and 
>> the unofficial patches.
>> Does somebody have an idea how to fix this?
>>
>> Best Regards
>> René Reimann
>>
>> On 23.09.2018 22:29, Gianluca Medini wrote:
>>
>>     Hi all, I've tested the driver e1000e on rtai 5.1 kernel 4.9.80.
>>
>>     I'm using Gavin Lambert unofficial patches set that includes
>>     patched drivers for 4.9.80.
>>
>>     The system  freezes randomly after some  minutes.
>>
>>     The Igb driver on same configuration works perfectly.
>>
>>     Someone have experienced the same issue?
>>
>>     GM
>>
>>
>>
>>
>>     _______________________________________________
>>
>>     etherlab-users mailing list
>>
>>     etherlab-users at etherlab.org <mailto:etherlab-users at etherlab.org>
>>
>>     http://lists.etherlab.org/mailman/listinfo/etherlab-users
>>     <https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.etherlab.org%2Fmailman%2Flistinfo%2Fetherlab-users&data=02%7C01%7Cgavin.lambert%40tomra.com%7C4e061ec02fe04622d16708d622b86ca7%7C4308d118edd143008a37cfeba8ad5898%7C0%7C0%7C636734572828494098&sdata=qwxQi92RlqOAUXDeP8LWBp7c%2FASFzSt2gRtyX9Zkleo%3D&reserved=0>
>>
>> Logo 
>> <https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ialb.uni-bremen.de&data=02%7C01%7Cgavin.lambert%40tomra.com%7C4e061ec02fe04622d16708d622b86ca7%7C4308d118edd143008a37cfeba8ad5898%7C0%7C0%7C636734572828494098&sdata=s9xz8CutmxeWMNAcG0Oyxj9OJtb%2FFkou1q6Im8h51dc%3D&reserved=0>
>>
>> René Reimann
>> Research Assistent
>>
>> IALB - Institut for electrical drives, power electronics and devices
>> Otto-Hahn-Allee 1
>> 28359 Bremen
>> Raum: S1390
>> Tel.: +49 421 218 62699
>> Fax: +49 421 218 98 62699
>> E-Mail: rreimann at ialb.uni-bremen.de <mailto:rreimann at ialb.uni-bremen.de>
>>
>> www.ialb.uni-bremen.de 
>> <https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ialb.uni-bremen.de&data=02%7C01%7Cgavin.lambert%40tomra.com%7C4e061ec02fe04622d16708d622b86ca7%7C4308d118edd143008a37cfeba8ad5898%7C0%7C0%7C636734572828494098&sdata=s9xz8CutmxeWMNAcG0Oyxj9OJtb%2FFkou1q6Im8h51dc%3D&reserved=0> 
>>
>>
>> <https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.avast.com%2Fsig-email%3Futm_medium%3Demail%26utm_source%3Dlink%26utm_campaign%3Dsig-email%26utm_content%3Demailclient&data=02%7C01%7Cgavin.lambert%40tomra.com%7C4e061ec02fe04622d16708d622b86ca7%7C4308d118edd143008a37cfeba8ad5898%7C0%7C0%7C636734572828494098&sdata=pxczI6vpHQb9qT7nuL5OXDCxkTqM4Y5CJ3xrXKNCiu4%3D&reserved=0>
>>
>> 	
>>
>> Virenfrei. www.avast.com 
>> <https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.avast.com%2Fsig-email%3Futm_medium%3Demail%26utm_source%3Dlink%26utm_campaign%3Dsig-email%26utm_content%3Demailclient&data=02%7C01%7Cgavin.lambert%40tomra.com%7C4e061ec02fe04622d16708d622b86ca7%7C4308d118edd143008a37cfeba8ad5898%7C0%7C0%7C636734572828494098&sdata=pxczI6vpHQb9qT7nuL5OXDCxkTqM4Y5CJ3xrXKNCiu4%3D&reserved=0> 
>>
>>
>
>
> -- 
> Email Signature
> Logo <http://www.ialb.uni-bremen.de>
> René Reimann
> Wissenschaftlicher Mitarbeiter
> IALB - Institut für elektrische Antriebe, Leistungselektronik und 
> Bauelemente
> Otto-Hahn-Allee 1
> 28359 Bremen
> Raum: S1390
> Tel.: +49 421 218 62699
> Fax: +49 421 218 98 62699
> E-Mail: rreimann at ialb.uni-bremen.de <mailto:rreimann at ialb.uni-bremen.de>
>
> www.ialb.uni-bremen.de <http://www.ialb.uni-bremen.de>
>
>
>
> _______________________________________________
> etherlab-users mailing list
> etherlab-users at etherlab.org
> http://lists.etherlab.org/mailman/listinfo/etherlab-users
Email Signature
Logo <http://www.ialb.uni-bremen.de>
René Reimann
Research Assistent
IALB - Institut for electrical drives, power electronics and devices
Otto-Hahn-Allee 1
28359 Bremen
Raum: S1390
Tel.: +49 421 218 62699
Fax: +49 421 218 98 62699
E-Mail: rreimann at ialb.uni-bremen.de <mailto:rreimann at ialb.uni-bremen.de>

www.ialb.uni-bremen.de <http://www.ialb.uni-bremen.de>



---
Diese E-Mail wurde von Avast Antivirus-Software auf Viren geprüft.
https://www.avast.com/antivirus
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.etherlab.org/pipermail/etherlab-users/attachments/20180927/29b63dde/attachment-0003.htm>