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.med...@gmail.com>;
etherlab-users@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
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