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Questions tagged [firmware]

Firmware is the code usually stored in flash ROM and contains the instructions for communicating with the other computer hardware.

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1 answer
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raspi ubuntu 20 - apt-get update problem - linux firmware / linux-raspi / linux-image-raspi

Hy my raspi has this fstab: UUID=7d298733-8450-4adb-b654-6de49954db5c / btrfs defaults 0 0 UUID=AD5E-0725 /boot/firmware vfat defaults 0 1 Then the ...
0 votes
0 answers
8 views

Raspberry Pi network boot

I have a raspberry pi 3B and I am trying to enable network boot from the ROM so that I can load firmware, uboot, kernel, etc. over the network and I don't have to use SD card. So I ensured that the ...
1 vote
3 answers
2k views

vcgencmd is missing in arch linux

I have recently acquired a Raspberry Pi 3B+, and I have installed arch linux on it. So far, so good, but vcgencmd is missing, and I am not able to find a way to get it installed. Can somebody help me?
0 votes
1 answer
65 views

Help loading backup in new rpi. It does not work

I am new here and this is my first question. If it is out of place I apologize, and please move it to where it belongs. First of all I will put you in background: In my building automation and control ...
2 votes
1 answer
1k views

Decrease the sensitivity on Capacitive Touch breakout?

I have this capacitive touch sensor: https://learn.adafruit.com/adafruit-capacitive-touch-sensor-breakouts/overview And it is WAY too sensitive for my purpose. I want to have a conductive panel on a ...
0 votes
1 answer
41 views

R-pi Zero W can scan wifi but can't connect

I used the official imager to set up localization and networking and install its "recommended OS" (32-bit bullseye) on a Raspberry Pi Zero W. It comes up to a desktop where the network ...
0 votes
1 answer
225 views

Pi 4; 8GB RAM: Having fimware and OS(openBSD) both on the SD card

Yesterday I installed openBSD on my Pi 4 with 8GB RAM: I first installed the [UEFI firmware][1] on the vfat formated, primary, and only partition of an SD Card I created an openBSD 7.3 boot stick I ...
-1 votes
1 answer
3k views

How to install firmware manually?

I've compiled a kernel for Raspberry Pi 4 (CM4 on IO board) and made a sd card and installed overlays, modules, copied the kernel to fat32 etc. When i boot, it gives only some messages to the point ...
4 votes
7 answers
15k views

WiFi not working after installing openmediavault (OMV) 5 in RPi 4

I installed OMV 5 in my Raspberry Pi 4B running Raspbian GNU/Linux 10 (buster), following this video https://www.youtube.com/watch?v=sYDyvr9Uc6Y (script installation). Just right after install OMV 5 ...
9 votes
1 answer
8k views

What is the minimum power required for an RPi 4 in `halt` or `shutdown`?

I want to use a RPi 4 in a remote, unattended, battery-powered application. In this application, the RPi 4 will spend most of its time inactive, awakened only by either a Real Time Clock (RTC), or a ...
0 votes
0 answers
64 views

BIAS attack on Raspberry Pi

I am trying to recreate the BIAS Bluetooth attack on my Raspberry Pi 3. I have successfully configured it as an audio sink (to give the connection a purpose and to impersonate my bluetooth speaker) ...
1 vote
0 answers
620 views

Updating RaspberryPi Ubuntu Server 20.04 to 22.04 caused usercfg.txt to not be honored

I asked on askUbuntu a while back but didn't get much traction... should have known there was a stack for Raspi... So I've been putting my HMDI output configuration in /boot/firmware/usercfg.txt ...
74 votes
7 answers
147k views

Do I still need rpi-update if I am using the latest version of Raspbian?

I have a 512MB Pi. I am trying to make sure I am getting the most out of it. I just downloaded the latest version of Raspbian and installed it on the Pi. Do I also need rpi-update? Is rpi-update ...
1 vote
0 answers
888 views

PiOS lite bullseye on my pi 4 keeps saying “Firmware rejected country setting”

Whenever I run piOS bullseye on my pi4, it keeps saying “firmware rejected country setting” in sudo dmesg: I tried using a completely fresh installation of piOS bullseye without any pre configuration ...
2 votes
0 answers
561 views

RPi Camera V2 not detected with Raspberry Pi4 running Ubuntu 20.05 LTS

I am running into a problem in which I am unable to have my Pi detect my new RPi Camera V2. I am running on Ubuntu 20.04 LTS (focal) since I am working on a robotics project that requires ROS2(foxy). ...
1 vote
0 answers
335 views

Where can I find what driver packages are needed for specific RPi models?

The basic -lite image installs the following (and more) packages: wpasupplicant wireless-tools firmware-atheros firmware-brcm80211 firmware-libertas firmware-misc-nonfree firmware-realtek Where can I ...
1 vote
0 answers
526 views

rpi_firmware_get_throttled: X callbacks suppressed

I have the following entry in my logs: Oct 08 17:51:02 rpi-dash kernel: rpi_firmware_get_throttled: 9 callbacks suppressed It is suspiciously surrounded by warnings about power: Oct 08 17:48:07 rpi-...
0 votes
0 answers
58 views

Weird load averages, want to downgrade firmware

I have a bunch of raspberry pis Two of them show a vcgencmd version of (a Pi4, and a Pi3A): Jul 4 2022 14:41:54 Copyright (c) 2012 Broadcom version 01db5c05be1b3594c8f040ed7c1ac2748890c2c8 (clean) (...
-1 votes
1 answer
32 views

Raspberry Pi 3B not booting anymore.How to update firmwire?

I have a RPi 3b in my stack. Suddenly it stopped working correctly and after another OS flash it was dead. Now is there a way to revive it?
-1 votes
1 answer
1k views

Get raspberry firmware version

I want to know what is my raspberry pi firmware version. I have read some documentations and i have found 2 ways to get this version number: /opt/vc/bin/vcgencmd version and FIRMWARE_HASH=$(zgrep &...
1 vote
1 answer
3k views

Pi Camera 1.3 not detected despite v4l2-ctl listing it

Before you say that I haven't searched the internet, whenever I type "pi camera not detected" I literally don't see a single unclicked result. I am slowly breaking apart. PI 4 (8gb), V1.3 ...
-1 votes
1 answer
622 views

Rpi 3B+ "Unsupported board type" Flashing Power Light

I have a Pi 3B+ that wont boot. It's a "new" unit that I received as a gift a few years ago and am just now taking it out of the box and trying to use it. I've tried several OS images, but ...
32 votes
3 answers
37k views

How can I determine the current firmware version number?

Is there a way to find the current firmware version number? Either the running version or the version currently installed in /boot? uname -a shows only the kernel version, not the GPU "binary blob." ...
3 votes
1 answer
11k views

What exact wireless chip does Pi 4 use?

I will receive my Pi 4 soon, so I started breaking down image generation scripts as I like to make image myself (as I install system on computer same way, by hand). As I want to copy just specific ...
3 votes
1 answer
927 views

Why DVFS is not working on my Raspberry Pi 4 Model B?

According to the documentation https://www.raspberrypi.org/documentation/hardware/raspberrypi/frequency-management.md On Raspberry Pi 4 Model B, firmware from late November 2019 onwards implements ...
1 vote
0 answers
210 views

Update Raspberry Pi Flash with change of SD Card

I know that the firmware on the Raspberry Pi 4 is automatically updated trough the package manager. If I install a new version of rpi-eprom (or is it another package?) trough apt upgrade the boot-...
2 votes
2 answers
4k views

GPIO not working on Raspberry PI 4 4GB

I have a RPi 4 running Raspbian with the Ubuntu Mate desktop environment, whenever I try to use the Wiring Pi library through a C script, to doesn't work at all. On using the gpio readall command I ...
0 votes
1 answer
352 views

Error while dist-upgrade: ..../raspberrypi-kernel_1.20210108-1_armhf.deb Hash Sum mismatch

I am upgrading my RPi 3 from Raspbian stretch to buster. I get this error while running sudo apt dist-upgrade: Err:1 http://archive.raspberrypi.org/debian buster/main armhf raspberrypi-kernel armhf 1....
0 votes
0 answers
1k views

mmal: mmal_vc_component_enable: failed to enable component: ENOSPC

when using NoIR camera: rapivid -v camera work but colour of frame varies with the lighting. when using IR camera: raspivid -v resulting: mmal: mmal_vc_component_enable: failed to enable component: ...
2 votes
1 answer
9k views

What could be causing "over-current change" all the sudden?

This is a Raspberry Pi 2 using a 5V 2 Amp power supply running with a LaCie 2TB USB external drive connected via the USB port. It gets its power from the USB port for the drive. The above has been ...
1 vote
1 answer
325 views

Does Raspberry Pi count as firmware

Say you make a system/gadget with a Pi and a bunch of sensors that the Pi gathers data from. Is the software on the Pi reading the data count as firmware? or the Raspbian OS itself?
0 votes
1 answer
415 views

What's firmware parts are needed and closedsource for RPi 4?

What parts of the Raspberry Pi 4 require closedsource blobs? Does RPi 4 require big gpu blob to boot as previos versions? In other words, which closedsource stuff does RPi 4 need for proper ...
3 votes
1 answer
516 views

Pi 4 - How to be sure to order a model with usb fixed?

I discovered that some initial lots of the Raspberry Pi 4 may have a sort of hw/sw bug that may be related to USB 3, and maybe also to thermal management and throttling. I would like to understand ...
0 votes
0 answers
149 views

strange behavior when booting Raspbian OS on 4B 8GB from a microSD card with a non-bootable SSD attached

I have a Raspbian OS microSD card that I use with the Raspberry Pi 8GB model I upgraded the firmware to the June-15 stable version of the firmware so that I could boot from the SSD. That worked fine. ...
3 votes
2 answers
2k views

Do I need to upgrade any firmware on a new board to make it work and produce a video signal?

I received my 3rd Pi4 4GB kit from Velros and all I did is move the known working sdcard from my working Pi#2 board into this new one. However, after it boots I see 4 raspberries in the upper left ...
0 votes
2 answers
590 views

Does a firmware update remain when changing the OS?

If I do a firmware update via sudo rpi-update on Raspbian Buster on the Pi 4 and then flash another OS (e.g. LibreELEC) to the SD card, will the firmware still be up-to-date?
8 votes
1 answer
21k views

How to revert from rpi-update to stable build

I have been using a RPi3 for the last year without any issues. I have had rpi-update as part of a regular update process (cron job). Lately I have been experiencing crashes. I started to investigate, ...
3 votes
1 answer
260 views

Garden Automation

I am about to change my garden automation project and was wondering if anyone had experience using this rayshobby.net - OpenSprinkler? Or does anyone have other good approaches for an garden ...
103 votes
3 answers
269k views

How do I update software and firmware?

I understand that the software on the Raspberry Pi is divided into three sections: the closed-source GPU firmware, the patched ARM Linux kernel and the user space software. Is the GPU firmware on the ...
2 votes
1 answer
1k views

What are the vcgencmd measure_clock 26 and 50?

There are 2 clock sources that are not officially (?) listed with a string id available to the vcgencmd measure_clock command. # for i in {0..255}; do vcgencmd measure_clock $i; done | grep -v "=0" ...
2 votes
0 answers
264 views

Malfunctioning Raspberry pi 4, red and green led on all the time

My Raspberry Pi 4 won't boot anymore, there is no picture on the monitor, and both LEDS (red, green) are on all the time, they do not blink. I formatted the SD card with SD Card Formatter and ...
23 votes
1 answer
4k views

Raspberry Pi Zero usable with fully free software?

In the Free Software Foundation's May 2013 review of single board computers, the Raspberry Pi was found to have fatal flaws for use in a free (libre) software environment: The Raspberry Pi requires ...
0 votes
1 answer
461 views

What if I flash the ARM processor with some random firmware

As Pi users, we know that our boards are driven by an ARM processor. We can find these processors in tons of devices such as routers, modems, cellphones etc. An ARM developer will use C language and ...
1 vote
1 answer
466 views

Raspberry Field Firmware update?

I have a question regards a field firmware update; namely a firmware update from 0.24.0.54xxx to 1.0.0.55xxx. What do I have to consider when doing this? Which files do I have to update? overlays, ...
2 votes
1 answer
535 views

Running SDL 1.2 based code on buster without X

Up to and including Raspbian Stretch, I could use a hacked SDL library called SDL12-kms-dispmanx by a developer called vanfanel to run SDL 1.2 code from the console without X. (See here: https://...
3 votes
2 answers
2k views

Raspberry PI boot FAT32 arrangement

I recently thought about tinkering with Raspbian by adding an initramfs. But I have still some unresolved questions about the boot (FAT32) partition. Does the partition have to be on a specific ...
1 vote
1 answer
788 views

Why is OP-TEE for Raspberry Pi3 insecure?

The OP-TEE on Raspberry Pi 3 webpage says, This port of ARM Trusted Firmware and OP-TEE to Raspberry Pi3 IS NOT SECURE! Although the Raspberry Pi3 processor provides ARM TrustZone exception ...
5 votes
3 answers
6k views

Is it possible to flash the Pi's firmware live?

I already have few Raspberry Pi devices running Raspbian + my custom scripts. These device is internet connected and mounted at area which is hard to access, (e.g on top of a building) Over the ...
3 votes
3 answers
6k views

What does rpi-update do?

I am thinking about upgrading the firmware on the Raspbery Pi 512 using rpi-update. However, I can't figure out what updating the firmware does. Does it make the Pi more stable? Or faster? I can't ...
1 vote
2 answers
588 views

Can a Raspberry Pi be firmware updated? Inquiring from a security perspective

Can a Raspberry Pi be firmware updated?...I have a feeling from the suggested questions I'm being offered, the answer is yes. I'm actually asking this from a security perspective, not because I ...