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A20-OLinuXino Linux uses kernel default qdisc #88

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androidcho opened this issue May 28, 2021 · 3 comments
Open

A20-OLinuXino Linux uses kernel default qdisc #88

androidcho opened this issue May 28, 2021 · 3 comments

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@androidcho
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After some research I have found that the kernel's default "qdisc pfifo_fast" is used (or more likely not set).
It uses it for both the ETH interface of A20-LIME2 and the SocketCAN interface.
Setting "qdisc fq_codel" improved the ethernet link quality alot.
Setting "qdisc noqueue" for the CAN interface stopped it losing CAN frames.
@DanKoloff
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DanKoloff commented May 28, 2021 •
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Which Linux image did you use? One of the Olimage images?

@androidcho
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Which Linux image did you use? One of the Olimage images?
To be precise:
A20-OLinuXino-buster-minimal-20210318-122357.img

@DanKoloff
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Perfect, thanks for this info and sharing your experience and advice. I will point the developers to this note to look into it.

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@DanKoloff @androidcho