Raspberry Pi 4 Tutorial - fatal error
- lumberjack_jeff
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19 Oct 2020 23:58 - 21 Oct 2020 22:24 #186648
by lumberjack_jeff
Replied by lumberjack_jeff on topic Raspberry Pi 4 Tutorial
Thanks for the tutorial. I followed the tutorial in headless mode (ssh); ran into a problem. After building the preempt rt kernel, DEPMOD reported a different version (I didn't write it down). After installation and subsequent edit of the /boot/cmdline.txt to append the text, I did reboot, but the device is no longer accessible to the network - not via wifi and not via ethernet. Suggestions?
*********
on edit:
Obtained a micro hdmi adapter so as to view the boot process, the device shuts down on a kernel panic.
*********
on edit:
Obtained a micro hdmi adapter so as to view the boot process, the device shuts down on a kernel panic.
Last edit: 21 Oct 2020 22:24 by lumberjack_jeff. Reason: new info
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- idea
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27 Oct 2020 20:55 - 28 Oct 2020 07:55 #187488
by idea
Replied by idea on topic Raspberry Pi 4 Tutorial - fatal error
I'm also getting this same issue of no USB mouse / keyboard (all types) with my 8Gb version - straight from fresh SD card image - linuxcnc-2.8.0-pi4.img
Any ideas of how to fix?
This is not a power issue (that has been previously noted), running of 7A SMPS and also tried with 20Ahr battery pack with same result.
When plugging in usb mouse, the red sensor led lights up briefly before going out (all 4 usb ports).
Unable to set up remote access so impossible to generate any kind of dump.
Any ideas of how to fix?
This is not a power issue (that has been previously noted), running of 7A SMPS and also tried with 20Ahr battery pack with same result.
When plugging in usb mouse, the red sensor led lights up briefly before going out (all 4 usb ports).
Unable to set up remote access so impossible to generate any kind of dump.
Last edit: 28 Oct 2020 07:55 by idea.
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- andypugh
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28 Oct 2020 08:07 #187557
by andypugh
Replied by andypugh on topic Raspberry Pi 4 Tutorial - fatal error
There are some ideas here, but they rely on SSH being available.
Do you have the same problem with a standard Raspbian install, or is it just the LinuxCNC image?
Do you have the same problem with a standard Raspbian install, or is it just the LinuxCNC image?
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- idea
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28 Oct 2020 08:15 #187561
by idea
Replied by idea on topic Raspberry Pi 4 Tutorial - fatal error
i've made a separate thread to avoid clogging this one up
forum.linuxcnc.org/9-installing-linuxcnc...-on-raspberry-pi-8gb
forum.linuxcnc.org/9-installing-linuxcnc...-on-raspberry-pi-8gb
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- Kiddekanin
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09 Nov 2020 04:17 #188731
by Kiddekanin
Replied by Kiddekanin on topic Raspberry Pi 4 Tutorial - fatal error
I'm also getting this same issue of no USB mouse / keyboard (all types) with my 2Gb version - straight from fresh SD card image - linuxcnc-2.8.0-pi4.img
"Do you have the same problem with a standard Raspbian install, or is it just the LinuxCNC image?"
Raspbian works fine with keyboard and mouse. So it seems that it is "just the LinuxCNC image"
I will try a 4GB hence it seems to be working straight away.
"Do you have the same problem with a standard Raspbian install, or is it just the LinuxCNC image?"
Raspbian works fine with keyboard and mouse. So it seems that it is "just the LinuxCNC image"
I will try a 4GB hence it seems to be working straight away.
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- Kiddekanin
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11 Nov 2020 23:21 #189087
by Kiddekanin
Replied by Kiddekanin on topic Raspberry Pi 4 Tutorial - fatal error
Bought the 4gb version, and it booted right up 
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- andypugh
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14 Jan 2021 11:13 #195342
by andypugh
Replied by andypugh on topic Raspberry Pi 4 Tutorial - fatal error
Can those with this problem please state exactly which model of Pi they are using?
One possible problem is that the 8GB Pi needs a 64bit kernel if it is going to address more than 4GB.
One possible problem is that the 8GB Pi needs a 64bit kernel if it is going to address more than 4GB.
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- ACKNAC
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16 Feb 2021 14:26 #199105
by ACKNAC
Replied by ACKNAC on topic Raspberry Pi 4 Tutorial - fatal error
I have both a Rpi 4 B 2G & Rpi 4 8G and have this problem. So far I have tried using the 2.80 & 2.81 Images and get the same results no matter which Pi or version I use.
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17 Feb 2021 06:55 #199150
by andypugh
Can you state exactly what problem you have (this is a long thread), and how it becomes evident?
I have a Pi42GB that I bought specifically for testing the SD card image, and it works for me.
Replied by andypugh on topic Raspberry Pi 4 Tutorial - fatal error
I have both a Rpi 4 B 2G & Rpi 4 8G and have this problem
Can you state exactly what problem you have (this is a long thread), and how it becomes evident?
I have a Pi42GB that I bought specifically for testing the SD card image, and it works for me.
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- jaro_p
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19 Feb 2021 07:52 #199428
by jaro_p
Replied by jaro_p on topic Raspberry Pi 4 Tutorial - fatal error
I have the same problem with both versions, so 2.8 and 2.81.
I tried it on Raspberry pi 400 and RPi 4B+ 4Gb.
Either the system freezes immediately after the restart following the notification: resize file system.
This is preceded by a message: Error: cpu 0 not supported
Or the system freezes as soon as the desktop is displayed.
I tried it on Raspberry pi 400 and RPi 4B+ 4Gb.
Either the system freezes immediately after the restart following the notification: resize file system.
This is preceded by a message: Error: cpu 0 not supported
Or the system freezes as soon as the desktop is displayed.
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