[fedora-arm] Udoo Neo : USB known to work ?

Post by Ken Harris
I bought a Udoo Neo and put Fedora on it.
It works well, but when I plug in USB devices, they don't show up.
Is USB on Udoo Neo known to work ?

TBH I'm not sure, I'll dig mine out and see if I can recreate it, I
had issues with it previously for something completely different and
haven't had time to get back to it to test it further. I have the Neo
Full (both wifi and eth). Other i.MX6 variants work fine with USB.

Post by Ken Harris
I thought I'd ask before trying to isolate it (I'll download "udoobuntu").
Please share any tips on how to isolate the problem.
It could be a personal problem : I bought it from EBay.
Thanks,
Ken
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Ken Harris

2018-06-19 06:39:31 UTC

Post by Ken Harris
I bought a Udoo Neo and put Fedora on it.
It works well, but when I plug in USB devices, they don't show up.
Is USB on Udoo Neo known to work ?

TBH I'm not sure, I'll dig mine out and see if I can recreate it, I
had issues with it previously for something completely different and
haven't had time to get back to it to test it further.
I have the Neo Full (both wifi and eth). Other i.MX6 variants work fine with USB.

Post by Ken Harris
I thought I'd ask before trying to isolate it (I'll download "udoobuntu").

FYI, I put Udoobuntu on it :

http://download.udoo.org/files/Neo_img/UDOObuntu_img/udoobuntu-udoo-neo-desktop_2.2.0.zip

... and the USB works fine.

This is Ubuntu 14.04.5 LTS , Linux 3.14.56

Attached is dmesg output and the device tree file.

Post by Ken Harris
Please share any tips on how to isolate the problem.
Thanks,
Ken

Peter Robinson

2018-06-19 07:42:24 UTC

Post by Ken Harris
I bought a Udoo Neo and put Fedora on it.
It works well, but when I plug in USB devices, they don't show up.
Is USB on Udoo Neo known to work ?

TBH I'm not sure, I'll dig mine out and see if I can recreate it, I
had issues with it previously for something completely different and
haven't had time to get back to it to test it further.
I have the Neo Full (both wifi and eth). Other i.MX6 variants work fine with USB.

Post by Ken Harris
I thought I'd ask before trying to isolate it (I'll download "udoobuntu").

http://download.udoo.org/files/Neo_img/UDOObuntu_img/udoobuntu-udoo-neo-desktop_2.2.0.zip
... and the USB works fine.
This is Ubuntu 14.04.5 LTS , Linux 3.14.56

Unfortunately this is an ancient kernel with vendor patches, the
difference between 3.14 with vendor patches and 4.16 is like comparing
an orange to a carrot.. You might also like to try the 4.17.2 kernel
on it's ways to testing "dnf --enablerepo=updates-testing upgrade
kernel\*" I'm going to try to get back to mine later this week,
unfortunately I have quite a long todo list for the week.

Peter
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Ken Harris

2018-06-19 16:03:47 UTC

Post by Ken Harris
Is USB on Udoo Neo known to work ?

TBH I'm not sure, I'll dig mine out and see if I can recreate it, I
had issues with it previously for something completely different and
haven't had time to get back to it to test it further.
I have the Neo Full (both wifi and eth). Other i.MX6 variants work fine with USB.

Google is using various i.MX chips for "Android Things".

Post by Ken Harris
I thought I'd ask before trying to isolate it (I'll download "udoobuntu").

http://download.udoo.org/files/Neo_img/UDOObuntu_img/udoobuntu-udoo-neo-desktop_2.2.0.zip
... and the USB works fine.
This is Ubuntu 14.04.5 LTS , Linux 3.14.56

Unfortunately this is an ancient kernel with vendor patches, the
difference between 3.14 with vendor patches and 4.16 is like comparing
an orange to a carrot.

Yeah, I just used it to verify that the hardware works. Fedora ARM rules ! ;-)

Post by Peter Robinson
You might also like to try the 4.17.2 kernel
on it's ways to testing "dnf --enablerepo=updates-testing upgrade kernel\*"

I'll look for that ...

Post by Peter Robinson
I'm going to try to get back to mine later this week, unfortunately I have quite a long todo list for the week.

Awesome. Let me know if I can help.

FYI, I like the Udoo Neo because it runs on 12 VDC and has CANBus
(good for boats & cars) and has Wi-Fi (w/ softmac).

-K
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Ken Harris

2018-06-21 18:46:47 UTC

Post by Peter Robinson
You might also like to try the 4.17.2 kernel
on it's ways to testing "dnf --enablerepo=updates-testing upgrade kernel\*"

FYI, I tried the 4.17.2 kernel and still no USB devices are seen.

-K
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Peter Robinson

2018-06-26 14:14:25 UTC

Post by Peter Robinson
You might also like to try the 4.17.2 kernel
on it's ways to testing "dnf --enablerepo=updates-testing upgrade kernel\*"

FYI, I tried the 4.17.2 kernel and still no USB devices are seen.

So I managed to find mine and have a try.

I'm still seeing the same issues I saw previously [1] but with a
couple of power cycles it eventually booted to a point I could login.

With a bit of poking around each time before it died I had a bit of a
play and a few reboots before the file system was no longer
recoverable I did mange to work out the following about usb. It
actually works if you have the device plugged in from the outset, I
tried an input device and a usb stick. So I suspect a GPIO or
regulator isn't wired up via the DT properly.

This was with F-28 GA release so I'm going to try the next nightly
rawhide with 4.18 and a newer u-boot when I get a moment.

Peter

[1] https://paste.fedoraproject.org/paste/syIE1kuqBx6OLm48xRMB2A
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Ken Harris

2018-08-19 19:50:48 UTC

Yes, it works if the USB is plugged in on boot. I didn't noticed that.

BTW, attached is the DT file for udoobuntu-udoo-neo

Post by Peter Robinson
You might also like to try the 4.17.2 kernel
on it's ways to testing "dnf --enablerepo=updates-testing upgrade kernel\*"

FYI, I tried the 4.17.2 kernel and still no USB devices are seen.

Fabian Affolter

2018-06-19 09:42:47 UTC

Post by Ken Harris
I bought a Udoo Neo and put Fedora on it.
It works well, but when I plug in USB devices, they don't show up.

Lucky you. Fedora doesn't work on my UDOO NEO FULL. Not booting and my
guess is that I'm running in the issue Peter outlined in this response [1].

Post by Ken Harris
... and the USB works fine.
This is Ubuntu 14.04.5 LTS , Linux 3.14.56

This works for me too.

Kind regards,

Fabian
[1]
https://lists.fedoraproject.org/archives/list/***@lists.fedoraproject.org/message/LRI73ILXZQNEGRDGIOAH3OYRLCF6F25B/
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Peter Robinson

2018-07-12 12:18:33 UTC

Hi Fabian and Ken,

Post by Fabian Affolter

Post by Ken Harris
I bought a Udoo Neo and put Fedora on it.
It works well, but when I plug in USB devices, they don't show up.

Lucky you. Fedora doesn't work on my UDOO NEO FULL. Not booting and my
guess is that I'm running in the issue Peter outlined in this response [1].

Just a follow up on this. I pulled some patches in to 4.18/rawhide and
the latest images with 4.18 rc4 are booting and seems to be stable for
me.

Fabian if you get a chance I'd like to see if you see similar. For
reference I used Fedora-Minimal-armhfp-Rawhide-20180710.n.0-sda.raw.xz

So now back to the original problem. So USB doesn't hotplug for me
either but a device works if it's there from boot. I seem to remember
a similar issue on another device, I'll see if I can work that out
when I get a moment, I suspect there's a GPIO that needs to be wired
up in the DT or similar.

Also bluetooth doesn't work for me but I also know what the fix is for
that so I'll put together a patch when I get a moment.

Let me know if there's anything else, I've only just got it up so I've
not had a chance to look too closely. I also intend to get Zephyr [1]
running on the Cortex-M4 processor and probably look at Open-AMP [2]
for it too just FYI.

[1] https://github.com/zephyrproject-rtos/zephyr/pull/7123
[2] https://github.com/OpenAMP
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Ken Harris

2018-09-13 03:54:32 UTC