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From: Philippe Gerum <rpm@xenomai.org>
To: Russell Johnson <russell.johnson@kratosdefense.com>
Cc: Bryan Butler <Bryan.Butler@kratosdefense.com>, "xenomai@lists.linux.dev"
 <xenomai@lists.linux.dev>, Shawn McManus <shawn.mcmanus@kratosdefense.com>
Subject: Re: [External] - Re: EVL Memory
Date: Sun, 04 Dec 2022 12:05:10 +0100
In-reply-to: <87r0xgh4n2.fsf@xenomai.org>
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a
Philippe Gerum <rpm@xenomai.org> writes:

> Philippe Gerum <rpm@xenomai.org> writes:
>
>> Russell Johnson <russell.johnson@kratosdefense.com> writes:
>>
>>> [[S/MIME Signed Part:Undecided]]
>>> I added in your patches and rebuilt with lockdep disabled and with ftrace
>>> disabled (since the ftrace seems to be killing the system). I did see a
>>> couple brief kernel splats that I figured I would at least ship your way to
>>> see if they are important.
>>>
>>> Thanks,
>>>
>>> Russell
>>>
>>> [2. text/plain; stack_trace.txt]...
>>>
>>> [[End of S/MIME Signed Part]]
>>
>> These warnings relate to the same deboosting bug we have been chasing
>> lately. Still trying to reproduce this here, no luck so far.
>
>
> Please try the current tip of next-evl, which includes this fix [1].
>
> [1] https://source.denx.de/Xenomai/xenomai4/linux-evl/-/commit/722ded4782f949e95e36ffad248a8f63c6446c4c

This patch is ironing an important code path, but I just managed to
reproduce a deboosting issue for the first time. I would suggest to wait
until I can issue a patch fixing it before testing the next-evl branch.

-- 
Philippe.