Re: canfdtest on flexcan loopback

From: Marc Kleine-Budde
Date: Thu Sep 17 2020 - 09:11:47 EST


On 9/17/20 2:59 PM, Vladimir Oltean wrote:
> On Wed, Sep 16, 2020 at 03:14:37PM +0300, Vladimir Oltean wrote:
>> Nonetheless, you bring up a good point. I'll try to bring into net-next
>> the minimum amount of required delta (which seems to be the
>> fsl_lx2160a_r1_devtype_data structure only), and I'll re-test.
>
> So I'm back with some interesting results.
>
> Test 1:
> NXP LSDK 20.04 based on v5.4.3 - reordering reproduces instantly
>
> Test 2:
> net-next 5.9-rc3 with upstream defconfig and all downstream patches
> imported from LSDK - hasn't reproduced in 20 hours of testing
>
> Test 3:
> net-next 5.9-rc3 with .config imported from LSDK - hasn't reproduced in
> 335 iterations
>
> Test 4:
> linux stable linux-5.4.y - hasn't reproduced in 137 iterations
>
> Test 5:
> torvalds v5.4.3 - reproduces instantly

Is there a bug in v5.4.3? v5.4.66 is current latest v5.4.x

Marc

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