# Operating Systems **URL:** https://forums.windriver.com/c/operating-systems/7.md [Latest](https://forums.windriver.com/latest.md) · [Categories](https://forums.windriver.com/categories.md) --- ## [About the Operating Systems category](https://forums.windriver.com/t/about-the-operating-systems-category/15)
**Author:** [@wradmin](https://forums.windriver.com/u/wradmin)\ **Replies:** 0
Wind River products include the industry’s most popular real-time operating system and the leading open source embedded environment. --- ## [VxWorks Numeric Error](https://forums.windriver.com/t/vxworks-numeric-error/1199)
**Author:** [@karsarmar5](https://forums.windriver.com/u/karsarmar5)\ **Replies:** 0\ **Last updated:** [October 7, 2025, 8:07am UTC](https://forums.windriver.com/t/vxworks-numeric-error/1199 "2025-10-07T08:07:13Z")
Hi all, I want to remove numeric error flag of VxWorks for a math operation. After the operation finished, I want to re-activate the flag. I checked online buy couldn’t find a way to do it. Thanks in advance. Maybe yo… --- ## [Build failed for Demo creating a VxWorks Source Projects](https://forums.windriver.com/t/build-failed-for-demo-creating-a-vxworks-source-projects/1156)
**Author:** [@DavidA](https://forums.windriver.com/u/DavidA)\ **Replies:** 0\ **Last updated:** [April 9, 2025, 2:14pm UTC](https://forums.windriver.com/t/build-failed-for-demo-creating-a-vxworks-source-projects/1156 "2025-04-09T14:14:27Z")
I’m trying to build a simple VxWorks source build project for the S32G3. After the build runs for almost 4 hours I get an error of Project Exit value was -1. Scanning the project reveals no errors. This is the demo I’… --- ## [VxWorks 5.3.1 Shared memory Networks](https://forums.windriver.com/t/vxworks-5-3-1-shared-memory-networks/1135)
**Author:** [@MVXWORKS\_2025](https://forums.windriver.com/u/MVXWORKS_2025)\ **Replies:** 0\ **Last updated:** [February 20, 2025, 2:07pm UTC](https://forums.windriver.com/t/vxworks-5-3-1-shared-memory-networks/1135 "2025-02-20T14:07:39Z")
Hello, I have two Motorola MVME2305-900 boards: one is the master, and the other is the slave. The master boots from an external hard disk, while the slave boots via the backplane. The master is working well, but the … --- ## [“VxWorks Compilation Issue: GNU Success, LLVM Failure”](https://forums.windriver.com/t/vxworks-compilation-issue-gnu-success-llvm-failure/349)
**Author:** [@rsy](https://forums.windriver.com/u/rsy)\ **Replies:** 0\ **Last updated:** [August 16, 2024, 7:26pm UTC](https://forums.windriver.com/t/vxworks-compilation-issue-gnu-success-llvm-failure/349 "2024-08-16T19:26:27Z")
Hi, I have an interesting problem; While reading an XML file in VxWorks, the code that works with GNU when compiled with the SR540 version does not function when compiled with LLVM using the SR640 version. The issue is a… --- ## [Pcie device in vxworks 7](https://forums.windriver.com/t/pcie-device-in-vxworks-7/323)
**Author:** [@salman](https://forums.windriver.com/u/salman)\ **Replies:** 1\ **Last updated:** [May 9, 2024, 8:47am UTC](https://forums.windriver.com/t/pcie-device-in-vxworks-7/323 "2024-05-09T08:47:56Z")
Hi, We have to communicate SBC Card(Intel Xeon D) and SoC Card(zynqmp) through pcie interface. SBC is rootport working with vxworks 7 OS and SoC is endpoint working with petalinux. SoC is flashed with end point configur… --- ## [Intel Agilex 5 E-Series Intel Simics Virtual Platform](https://forums.windriver.com/t/intel-agilex-5-e-series-intel-simics-virtual-platform/318)
**Author:** [@dan.milea](https://forums.windriver.com/u/dan.milea)\ **Replies:** 0\ **Last updated:** [May 2, 2024, 8:04am UTC](https://forums.windriver.com/t/intel-agilex-5-e-series-intel-simics-virtual-platform/318 "2024-05-02T08:04:21Z")
The Intel Simics model of the Intel Agilex 5 E-Series FPGA SoC hard processor system (HPS) implements the simulated functionality of the HPS. This model is instantiated as part of a virtual platform along with other comp… --- ## [VxWorks 5.5.1 with VME BUS](https://forums.windriver.com/t/vxworks-5-5-1-with-vme-bus/310)
**Author:** [@VictorJP](https://forums.windriver.com/u/VictorJP)\ **Replies:** 1\ **Last updated:** [April 16, 2024, 7:30am UTC](https://forums.windriver.com/t/vxworks-5-5-1-with-vme-bus/310 "2024-04-16T07:30:37Z")
Hello, I am beginner with VxWorks. I have a VMPC7 board with VxWorks 5.5.1 and MDFLASH-256MB board of memory with some app for VxWorks. I would like to check the MDFlash board writing and reading “0” and “1”. However I d… --- ## [Adding/Removing a user](https://forums.windriver.com/t/adding-removing-a-user/296)
**Author:** [@Alvida](https://forums.windriver.com/u/Alvida)\ **Replies:** 1\ **Last updated:** [February 27, 2024, 10:19am UTC](https://forums.windriver.com/t/adding-removing-a-user/296 "2024-02-27T10:19:11Z")
Hello all, I am new to vxWorks. I need to add a new user to the operating system, I only have access to the Comandline Interface. Can some tell me how I can achieve this? I tried -\>VIP\_CreateDefaultUser ("user, passw… --- ## [Kernel Space or User Space](https://forums.windriver.com/t/kernel-space-or-user-space/297)
**Author:** [@Alvida](https://forums.windriver.com/u/Alvida)\ **Replies:** 1\ **Last updated:** [February 27, 2024, 10:18am UTC](https://forums.windriver.com/t/kernel-space-or-user-space/297 "2024-02-27T10:18:53Z")
Hello all, I have a small question regarding user space and kernel space. I use VxWorks on a ARM architecture. My Kernel Module Akadmanager spawns a task rsk\_opt -\> i rsk\_opt NAME ENTRY ---------- ---------- r… --- ## [Start module - moduleShow](https://forums.windriver.com/t/start-module-moduleshow/288)
**Author:** [@Alvida](https://forums.windriver.com/u/Alvida)\ **Replies:** 4\ **Last updated:** [January 30, 2024, 2:13pm UTC](https://forums.windriver.com/t/start-module-moduleshow/288 "2024-01-30T14:13:15Z")
Hi all, I am beginner - sorry for the basic question. → moduleShow this command shows indicates the module ID and the address of akdadmanager.out Hence, I assume that the module is loaded. Can you tell me what I nee… --- ## [VxWorks 7 SDK for Raspberry Pi 4 doesn't boot](https://forums.windriver.com/t/vxworks-7-sdk-for-raspberry-pi-4-doesnt-boot/205)
**Author:** [@Ishaan](https://forums.windriver.com/u/Ishaan)\ **Replies:** 6\ **Last updated:** [July 9, 2023, 9:03am UTC](https://forums.windriver.com/t/vxworks-7-sdk-for-raspberry-pi-4-doesnt-boot/205 "2023-07-09T09:03:45Z")
I’m unable to boot to vxWorks. I followed the steps in guide: README-raspberrypi4b I had earlier (January-2023) built using the same steps but somehow I’m unable to do so again. Boot Log U-Boot 2023.07-rc3-00015-g26… --- ## [VxWorks 7 SDK for Raspberry Pi 4 Build Error](https://forums.windriver.com/t/vxworks-7-sdk-for-raspberry-pi-4-build-error/172)
**Author:** [@Ishaan](https://forums.windriver.com/u/Ishaan)\ **Replies:** 4\ **Last updated:** [January 30, 2023, 5:41pm UTC](https://forums.windriver.com/t/vxworks-7-sdk-for-raspberry-pi-4-build-error/172 "2023-01-30T17:41:46Z")
I’m referring the article VxWorks 7 SDK for Raspberry Pi 4 to install vxWorks on my Raspberry Pi 4. In Booting VxWorks on Raspberry Pi 4 section I am stuck on Step 2. In the step CROSS\_COMPILE=aarch64-linux-gnu- make… --- ## [Is the VxWorks file system corrupted and is it possible to fix it?](https://forums.windriver.com/t/is-the-vxworks-file-system-corrupted-and-is-it-possible-to-fix-it/170)
**Author:** [@mfirulin](https://forums.windriver.com/u/mfirulin)\ **Replies:** 1\ **Last updated:** [January 27, 2023, 10:48am UTC](https://forums.windriver.com/t/is-the-vxworks-file-system-corrupted-and-is-it-possible-to-fix-it/170 "2023-01-27T10:48:04Z")
I have a device with VxWorks 5 connected via a serial port. The device doesn’t boot properly, but I can get access to its CLI via PuTTY. OS looks working, for example I can get a list of tasks by the “i” command. But I c… --- ## [VxW 6.9: Access to all device names from a DKM?](https://forums.windriver.com/t/vxw-6-9-access-to-all-device-names-from-a-dkm/124)
**Author:** [@peter](https://forums.windriver.com/u/peter)\ **Replies:** 0\ **Last updated:** [August 30, 2022, 4:58pm UTC](https://forums.windriver.com/t/vxw-6-9-access-to-all-device-names-from-a-dkm/124 "2022-08-30T16:58:23Z")
Can anybody give me a hint on how to get access to all device names in the system from a downloadable kernel module (e.g. via access to the device table or by fetching the output from “devs”)? Some devices are dynamicall… --- ## [iMX8QXP - VxWorks Boot from QSPI Flash](https://forums.windriver.com/t/imx8qxp-vxworks-boot-from-qspi-flash/111)
**Author:** [@Beratovic](https://forums.windriver.com/u/Beratovic)\ **Replies:** 0\ **Last updated:** [July 27, 2022, 7:28am UTC](https://forums.windriver.com/t/imx8qxp-vxworks-boot-from-qspi-flash/111 "2022-07-27T07:28:37Z")
Hi everyone, I’m trying to boot VxWorks image on the NXP’s iMX8QXP-MEK board. As we know from the reference documents of the board, boot sequence is …\> SCFU + SECO + M4-Image (Optional) + Cortex A image (optional). I g… --- ## [Serial I/O under 21.11](https://forums.windriver.com/t/serial-i-o-under-21-11/89)
**Author:** [@rcote](https://forums.windriver.com/u/rcote)\ **Replies:** 0\ **Last updated:** [April 8, 2022, 1:20pm UTC](https://forums.windriver.com/t/serial-i-o-under-21-11/89 "2022-04-08T13:20:42Z")
I am building a VxWorks 21.11 BSP for a Power Architecture board which has this kernel config item: UART support for ns16550-compatible FDT devices I believe the entries in my .dts file are correct, as I have serial por… --- ## [Why use an RTOS?](https://forums.windriver.com/t/why-use-an-rtos/35)
**Author:** [@rob.woolley](https://forums.windriver.com/u/rob.woolley)\ **Replies:** 1\ **Last updated:** [April 21, 2021, 12:30pm UTC](https://forums.windriver.com/t/why-use-an-rtos/35 "2021-04-21T12:30:58Z")
When should you use an RTOS? Isn’t Linux good enough? --- ## [How to build VxWorks as a bootapp on rpi4](https://forums.windriver.com/t/how-to-build-vxworks-as-a-bootapp-on-rpi4/37)
**Author:** [@maarten](https://forums.windriver.com/u/maarten)\ **Replies:** 0\ **Last updated:** [April 20, 2021, 5:12pm UTC](https://forums.windriver.com/t/how-to-build-vxworks-as-a-bootapp-on-rpi4/37 "2021-04-20T17:12:35Z")
According to this, when the rpi4 boots, the GPU reads config.txt off the boot device and loads the kernel specified. For VxWorks on rpi4, u-boot is the bootloader. I would like to put VxWorks in it’s place to have a fa… --- ## [Hypervisor-less virtio](https://forums.windriver.com/t/hypervisor-less-virtio/32)
**Author:** [@wradmin](https://forums.windriver.com/u/wradmin)\ **Replies:** 0\ **Last updated:** [April 12, 2021, 2:16pm UTC](https://forums.windriver.com/t/hypervisor-less-virtio/32 "2021-04-12T14:16:16Z")
Dan Milea from Wind River has written a blog post “Hypervisor-less virtio: Assembling Multi-OS systems using standards-based protocols for intra-SoC connectivity and device sharing”. Summary: Hypervisor-less virtio can …