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Orange Pi 3 LTS -- Load average does not go below 1.00

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Published in 2022-2-27 08:30:56 | Show all floors |Read mode
Edited by osamuh at 2022-2-27 08:33

I purchsed a new Orange Pi 3 LTS and just installed the Debian image, then I realized that the load average does not go below 1.00.
It seems that a process named "SPRDWL_TX_QUEUE" is in uninterrutible sleep status, and it keeps using up a CPU core.


I also tried the Ubuntu image, and got the same result.

Does anybody know what could be wrong?





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Published in 2023-3-22 04:31:51 | Show all floors
I'm seeing the same issue, and I guess I need to pull down the Armbian source code for this and try to figure out what's going on here.


Just looking at the Linux kernel I don't see any mention of this  SPRDWL_TX_QUEUE anywhere, so maybe it's part of the built init daemon?   Or maybe it's part of the 'sprdwl_ng' wireless module.

And yes, that's where it's coming from, since I can see that string in the file /usr/lib/modules/5.15.93-sunxi64/kernel/drivers/net/wireless/uwe5622/unisocwifi/sprdwl_ng.ko

And that's it, if I unload the module, then the load drops down nicely.  So the problem is somewhere in that module.  So now to find the source for the uwe5622 wifi driver and see what it's doing.  It's probably busy waiting on a sysfs file or something while waiting for a transmit to come in or something silly like that.

John

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Published in 2023-4-11 13:16:55 | Show all floors
When addressing the issue of high load averages on an Orange Pi 3 LTS, clear and concise Techniques for report writing can be extremely helpful in identifying and solving the problem. Using clear headings, bullet points, and diagrams makes it easier to present the data in an organized manner and pinpoint the root cause of the high load average. Additionally, using specific technical language and detailing the steps taken to resolve the issue can help others who may encounter similar problems.

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Published in 2023-10-20 03:55:52 | Show all floors
Still an issue on Orange Pi Zero 3 and kernel 6.1.31
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