Unix and Linux Stack Exchange
Unix and Linux Stack Exchange

Questions tagged [petalinux]

21 questions
2
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1 answer

How to change Kernel Base address when compiling Linux?

I am working on RedPitaya FPGA board and want to use Asymmetric MultiProcessing on it. CPU0 will be running Linux and CPU1 will be running Baremetal or freeRTOS. For that I need to change the Kernel Load address so that the application/FreeRTOS…
Waqar Rashid
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Yocto vs Petalinux Tools

Me and my team are currently working with Yocto and Petalinux Tools ( from Xilinx) to develop a distribution based on the Xilinx Linux kernel. At first glance both look the same and there is little to differentiate between the two(but that could be…
Keyshav Mor
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O_DIRECT access to mmap-ed dmam_alloc_coherent() problems

I'm looking for ideas to get over this hurdle. I have a linux kernel module that takes in high rate data from the PL side of a Xilinx Zynq MPSOC device. The kernel module is based off dma-proxy example…
Fraser Addison
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1 answer

Why does networkmanager change device state to unavailable?

Using a Yocto distribution with NetworkManager and NetworkManager-nmcli installed, I am not able to have my wifi wlan0 device leaving the unavailable state. The error message I have is: device (wlan0): state change: unmanaged -> unavailable (reason…
PMDP3
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ppp as a network switch

I have two devices which uses petalinux as OS. They are custom devices to use on some projects. Their purpose is to act as routers with cabled connection (not ethernet). Devices are connected with cable and with special protocol. So they can not use…
bera
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Modifying U-boot booting script and DHCP command script in Petalinux

I want to try the following things : Modify the booting arguments of u-boot of my Petalinux project which is currently using the Xilinx Kernel. I want to modify it such that it runs DHCP during booting of the u-boot itself to acquire an IP address…
Keyshav Mor
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1 answer

Cannot compile device tree blob due to missing node/label

I'm trying to create a petalinux image using the petalinux SDK. After I start a build I get an error when the process tries to build the system.dtb The error is "(phandle references): Reference to non-existent node or label "ps7_scugic_0" - which is…
Mark Corrigan
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setting up pycurl for embedded ARM

I am working on a linux x86_64 machine, and I am trying to set up pycurl for an embedded ARM processor running petalinux. I need pycurl library before building the embedded linux image. I have cross-compiled libcurl, and I've been trying to use…
nineties
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1 answer

Starting my own application at the startup

I am working on zc702 board having ARM Cortex A 9 processor. I have a binary that I got after cross-compilation for ARM (LED blinking). Now I want that this file should execute as soon as the the kernel (petalinux) boots. I am having initramfs as…
user2799508
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How can I replace the default kernel with an earlier kernel?

I am working on petalinux, Linux for xilinx FPGAs. The source code is here This Linux is having 3.x kernel, and I have been asked to change the kernel to some earlier release version. What are the general steps for replacing the kernel? I have…
gpuguy
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Usb device wont enumerate after booting kernel on a custom board : usb 1-1: device descriptor read/64, error -71

When i plug in my usb device I get the following errors: usb 1-1: new high-speed USB device number 2 using xhci-hcd usb 1-1: device descriptor read/64, error -71 usb 1-1: device descriptor read/64, error -71 usb 1-1: new high-speed USB device number…
Sujan SM
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Linux on Xilinx zcu102 crashes "nwl-pcie fd0e0000.pcie: Non-Fatal Error Detected" error

I made a petalinux project with Xilinx 2018.3 sdk environment. I built my project upon a zcu102 Xilinx board, and a PCIe card attached to that board. I debug my code for some time without error, until it crashes. it happens after I run external…
Yonatan Elizarov
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Setting up DNF on Yocto

I am using PetaLinux (or Yocto) as my systems OS. I built the image and have dnf as my package manager. However, when I try to install something, I get the error message: Error: There are no enabled repos. So this means, my repo list is empty, I…
Vandrey
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"Host key verification failed", SSH only working when signed in as root user

I am trying to ssh/scp from one machine on my network to another. The problem is that when I execute an ssh/scp command (ssh user@ip_machine_2) it is only "working" when I am logged in to the root account on machine_1. When sending this command as…
Jordan
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Ubuntu can't run on vm-ware after installing local packages

i want to do petalinux cross-compilation at ubuntu on vm-ware and offline. so, i downloaded all needed packages and installed them. and then i tried to restart ubuntu. but, unfortunately, ubuntu not run. vm-ware version is 15.x, ubuntu version is…
Leonardo
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