Odroid C4 and UAS driver

Single Board Computers Odroid N2/N2Plus/C4
1

Is the UAS driver present in Coreelec or do I have to install it somehow?
I connected Crucial Mx500 with a UASP adapter and UAS is NOT active when I use the lsusb -t command.

2

I think it is not supported?

4

So it can’t be turned on?

10

Yes, option needs to be enabled in kernel.

CoreELEC-Amlogic-ng.arm-9.2-nightly_vpeter_usb_uas.tar

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11

Great, thank you.
A regular update from the update folder will do?

12

Yes, exactly like that.

13

When updating I got: missing (source) KERNEL or SYSTEM. What’s wrong?

14

Ok, I tried it for the second time and I got:
Kernel md5 failed and system md5 failed.

15

You must have corrupted file for some reason.
Yes, put file in update folder and reboot.

cd /storage/.update
megadl https://mega.nz/file/eM5yzZ7B#lSpLaXQvfLpLxS3OLADCgTmljzfnBTdbS5BJSw-xqD8
reboot
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16

Ok, it turned out my FTP client corrupted the file and I used a different one to copy the file.

The write tests results:
Without UAS
CoreELEC:~ # dd if=/dev/zero of=/var/media/CR/speed.test bs=1M count=8000
8000+0 records in
8000+0 records out
8388608000 bytes (7.8GB) copied, 35.110141 seconds, 227.9MB/s

With UAS
CoreELEC:~ # dd if=/dev/zero of=/var/media/CR/speed.test bs=1M count=8000
8000+0 records in
8000+0 records out
8388608000 bytes (7.8GB) copied, 26.322702 seconds, 303.9MB/s

Thanks a lot @vpeter

17

Can you run this command and post link you get? First please reboot to get clean state. And drive must be attached.

dmesg | paste
18

Here:
http://ix.io/3LDe

19

@vpeter will automatic update override your UAS settings? I still get update available notification even though I turned it off.

20

You need to use my special image if you want to use UAS. Default images doesn’t have enabled.

21

Ok, that’s what I thought. Thanks.

22

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23

@vpeter would it be too much if I asked you to concoct a UAS enabled version of Matrix stable version for Odroid C4 like the one you did with 9.2.8 version for me before? Thanks.

24

Here it is.

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26

Thanks a lot, much obliged.

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