[Etherlab-users] frozen system

[BUSSIERES Vincent]

Hello René,

Thanks for you answer.
Unfortunately, I modify netdev-4.19-ethercat.c file in the same way as Wilfried but system freeze again.

I'll try to run my program with an older kernel version 4.14 as Sebastien done. I hope it will work.
I don't know how I can analyse this issue, I don't see anything wrong in dmesg

Best regards

Vincent BUSSIERES
Responsable Technique Logiciel


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-----Message d'origine-----
De : Etherlab-users <etherlab-users-bounces at etherlab.org> De la part de René Reimann
Envoyé : mercredi 26 août 2020 19:21
À : etherlab-users at etherlab.org
Objet : Re: [Etherlab-users] frozen system

Hello,

we had a similar problem with the e1000e driver on kernel 4.9.80 two years back. My college Wilfried Holzke fixed this issue with some changes in the file netdev-4.9-ethercat.c. You can find the description of the changes here: http://lists.etherlab.org/pipermail/etherlab-users/2018-September/018624.html

Hopefully this will fix your problem too.

Regards,
René Reimann


-----Ursprüngliche Nachricht-----
Von: Etherlab-users <etherlab-users-bounces at etherlab.org> Im Auftrag von Sebastien BLANCHET
Gesendet: Mittwoch, 26. August 2020 17:35
An: etherlab-users at etherlab.org
Betreff: Re: [Etherlab-users] frozen system

Hi,

Unfortunately, I have not tried yet ec_e1000e on Linux Kernel 4.19-rt, but, if it may help you, I can confirm that it works well with Linux Kernel 4.14-rt.

This is my configuration:
- Debian 10 i386 with a custom kernel 4.14.155-rt70a
- IgH EtherCAT Master + Gavin's patchset 20190904 https://sourceforge.net/u/uecasm/etherlab-patches/ci/default/tree/
- I use both ec_r8169 and ec_e1000e drivers

and it works very well.

Notes:
- I use i386 kernel because I need a single kernel that is compatible with all the computers I have.
- I cannot use a standard Debian kernel because I need also VME bridge drivers.
- The latest Linux kernel version in Gavin's patchset that supports both
ec_r8169 and ec_e1000e is 4.14. Therefore I cannot use a more recent kernel for the moment.
- For ec_e1000e, I use "Intel Corporation 82574L Gigabit"


Regards,
--
Sebastien BLANCHET


On 8/26/20 11:33 AM, BUSSIERES Vincent wrote:
> I add, the I’m not using generic driver but e1000e driver.
> 
> Best regards
> 
> *Vincent BUSSIERES*




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