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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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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 ...
Some Nut Job's user avatar
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0 answers
61 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) ...
Zabbidou's user avatar
1 vote
0 answers
564 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 ...
Chris Heath's user avatar
0 votes
1 answer
64 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 ...
Jlopez's user avatar
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1 answer
215 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 ...
M0M0's user avatar
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1 vote
0 answers
822 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 ...
stormfire's user avatar
2 votes
0 answers
537 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). ...
boogie_muffins's user avatar
1 vote
0 answers
319 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 ...
maloo's user avatar
  • 111
1 vote
0 answers
508 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-...
WoJ's user avatar
  • 543
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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) (...
Woodstock's user avatar
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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?
Sohan Arafat's user avatar
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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 ...
user avatar
-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 ...
Coliban's user avatar
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1 answer
612 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 ...
mikem's user avatar
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3 votes
1 answer
915 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 ...
saroj panda's user avatar
6 votes
0 answers
1k views

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 ...
Domagoj Ulamec's user avatar
1 vote
0 answers
208 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-...
PMF's user avatar
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0 votes
1 answer
351 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....
Mostafa Ahangarha's user avatar
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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: ...
Nitish Jha's user avatar
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 ...
pyramiskyma's user avatar
1 vote
1 answer
318 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?
Lightsout's user avatar
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3 votes
1 answer
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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 ...
Daniil Shchadny's user avatar
-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 &...
Bob5421's user avatar
  • 107
0 votes
1 answer
408 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 ...
Daniil Shchadny's user avatar
3 votes
1 answer
513 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 ...
realtebo's user avatar
  • 149
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. ...
Alex Ryan's user avatar
  • 185
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 ...
Seamus's user avatar
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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 ...
Meryan's user avatar
  • 131
0 votes
2 answers
582 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?
Mike's user avatar
  • 45
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 ...
ILA's user avatar
  • 63
2 votes
0 answers
259 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 ...
user2715315's user avatar
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 ...
Daniel N.'s user avatar
2 votes
1 answer
530 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://...
TeaRex's user avatar
  • 23
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, ...
user643011's user avatar
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 ...
Enginecrafter77's user avatar
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?
chronos's user avatar
  • 121
1 vote
2 answers
586 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 ...
Nico Mundo's user avatar
1 vote
1 answer
783 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 ...
sherlock's user avatar
  • 111
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" ...
not2qubit's user avatar
  • 1,407
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, ...
Hans's user avatar
  • 11
1 vote
1 answer
397 views

What happens if throttling back doesn't help on high temperature? Does Raspberry Pi power off?

I recently asked this question asking if the temperature was handled by hardware or software and someone told me that it was handled by raspberry pi firmware (hardware). Appearently performance is ...
user avatar
1 vote
0 answers
200 views

In simultaneous use of SPI0 and DPI Mode 3 interfaces, can SPI0 CS0 be moved to a pin other than 8?

I am attempting to design a device using a Pi Zero which needs to connect to both an ENC18J60 SPI ethernet controller, and a VGA monitor via Mode 3 DPI and the Mincepi Pi Zero pi2vga schematic. While ...
DodoDude700's user avatar
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 ...
Caroline Hermans's user avatar
3 votes
1 answer
69 views

DeviceTree magic strings

I recently stumbled over the MagPi Essentials Camera. In chapter 7 "Flash photography using an LED" (p.41+), they show how to configure pin BCM17 to act as a flash for the official Raspberry Pi Camera....
kwasmich's user avatar
  • 2,702
1 vote
0 answers
176 views

HDMI display output rendered useless on 2 different Raspberry Pi 2

Is there a way to corrupt the firmware in the Raspberry Pi ARM? I cannot understand what has happened to my 2 RPIs and I was never expecting software or the operating system being able to disable the ...
Jose Vicente's user avatar
1 vote
0 answers
383 views

How deep can a virtual machine like VirtualBox emulate Raspberry Pi?

Currently I have the firmware code for a device running on Raspberry Pi. I want to use a linux computer that I have to test the device out using a virtual machine like Virtual Box (To connect it to ...
Yunfei Liang's user avatar
0 votes
1 answer
470 views

rpi-update seemed to have stopped spi and one wire

I had two programs, one using DS18b20 sensors and the One-Wire and the other using SPI. On another pi, I had a program using the camera which had an error(still not sure what the error was) fixed by ...
Baba's user avatar
  • 13
1 vote
2 answers
2k views

Can my RPi3 running Raspbian be used to flash DD-WRT on to a compatible router

I have a Netgear router that is compatible to flash DD-WRT. I have read you can use mac windows or linux. I only have a RPi3 no other computers. Will my Rpi3 work for this? I am running the latest ...
Pismurf's user avatar
  • 313
2 votes
1 answer
7k views

When trying to use a device I get a message "Direct firmware load failed"

This is about firmware that needs to be loaded into particular devices attached (usually via USB) to a Raspberry Pi, not the firmware for the Raspberry Pi itself (the GPU firmware). When the kernel ...
cjs's user avatar
  • 823
3 votes
1 answer
178 views

Raspberry Pi Firmware - user updateable - which bits live on sd and which on the hardware

I'm trying to understand the firmware on the Raspberry Pi. My understanding was that firmware related only to persistent software not influenced by anything which is on any particular SD card, but it ...
nick soph's user avatar