Last update of LinuxCNC Raspberry Pi4 USB does not work

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19 Jan 2021 02:59 - 19 Jan 2021 03:00 #195866 by pauluzs

Hi

Just tried with fresh official debian 32bits using the guide and sdcard
linuxcnc.org/docs/2.8/html/getting-start...lling_on_raspbian_10

After rebooting on the 6e step, no more usb no keyboard/touchscreen.

only using apt-get update


For Which model raspberry , what eeprom version and also the kernel version used?
Last edit: 19 Jan 2021 03:00 by pauluzs.

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19 Jan 2021 03:02 - 19 Jan 2021 03:18 #195867 by alkabal
My unit is : Rpi4gb c03111 (rev 1.1)

The memory trick work fine i get USB working again after rebooting

The built in firmware from linuxcnc document
Linux linuxcnc 4.19.71-rt24-v7l+ #4 SMP PREEMPT RT Thu Apr 30 22:00:15 CDT 2020 armv7l GNU/Linux
BCM2711 detected
Dedicated VL805 EEPROM detected
BOOTLOADER: up-to-date
CURRENT: Thu 03 Sep 2020 12:11:43 PM UTC (1599135103)
 LATEST: Thu 16 Apr 2020 05:11:26 PM UTC (1587057086)
 FW DIR: /lib/firmware/raspberrypi/bootloader/critical
VL805: up-to-date
CURRENT: 000138a1
 LATEST: 000137ad

reboot after linuxcnc USB work

tomorrow try apt-get upgrade
Last edit: 19 Jan 2021 03:18 by alkabal.

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20 Jan 2021 08:30 #195976 by andypugh

My unit is : Rpi4gb c03111 (rev 1.1)

The memory trick work fine i get USB working again after rebooting


I have never had any problem with that model running the LinuxCNC image...

Anyway, I have built a new SD card image, and kicked off the build of a second with the memory limit.
I did plan to put them both on the server for testing, but something has come up here and I am going to be away from my computers for a few days.
The following user(s) said Thank You: zz912

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20 Jan 2021 09:04 #195979 by alkabal
I never get problem before, but from some time i get no more usb as you can see after installing kernel on official debian, or after apt-get upgrad with your image.

Maybe this is because i have updated the boot eeprom, i really do not know why but for sure i get usb problem recently with this old model.

Many thanks for the work done, I hope to you nothing bad is happened !

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22 Jan 2021 01:20 #196172 by andypugh
There is a new SD card image here:

www.linuxcnc.org/temp/image_2021-01-20-linuxcnc-pi4-3G.zip

It works for me on an old Pi4 4GB and a new Pi4 2GB. Both as a fresh install and after apt-get update / apt-get upgrade.

I would appreciate it if owners of new 4GB Pi, 8GB Pi and Pi3 could test it and report back.
The following user(s) said Thank You: elovalvo, zz912, rsaccon

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22 Jan 2021 03:24 #196176 by szech713
Running the new image

It works on my Pi4B 4GB. Fresh install and after apt-get update / apt-get upgrade

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22 Jan 2021 06:54 #196180 by zz912
It works on my Pi4 4GB too. Thank you.

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22 Jan 2021 15:16 #196233 by rsaccon
I tried on my Pi4 8Gb, USB works, unfortunately wlan does not work. With the released LinuxCNC 2.8.0 and 2.8.1 images for Pi I had no problems with wlan, but USB did not work. Is there any specific info from logfiles or output from network commands you want me to post here ?

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22 Jan 2021 18:41 #196256 by andypugh

I tried on my Pi4 8Gb, USB works, unfortunately wlan does not work.



I see the same issue with my Pi400.
At least there is a workaround for Wlan, you can use ethernet or a plug-in WiFi dongle.

With the released LinuxCNC 2.8.0 and 2.8.1 images for Pi I had no problems with wlan, but USB did not work.


How could you tell that WiFi worked without USB to cycle through the setup and type in passwords?

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22 Jan 2021 20:08 #196268 by zz912
I have the same problem with wlan.

I think I had problems with wlan in December, but I thought it was a bad wifi-router. USB probably worked for me at the time, but not wlan.

I wanted an RPI4 + mesa 7i96 to drive the lathe, but the RPI was so slow, so I didn't use it and used a desktop computer. That's why I wasn't interested in wifi. Then I wanted to find out in January why RPI4 + mesa 7i96 was unusable, but there was a problem with USB that blocked my entire RPI4.

My chromium browser didn't work. I reinstalled it, but it didn't help. That's why I installed firefox-esr

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