apache/nuttx

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Apache NuttX is a mature, real-time embedded operating system (RTOS)

Stars: 4k
Forks: 1.7k
Open beginner issues: 0
Indexed issues: 622
Avg merge: 1d 17h
Merged PRs (30d): 237

Dominant language: C
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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619 open issues indexed

IMPROVED TASK START-UP AND SYSCALL RETURN Open

Type: Migrated TODO

apache/nuttx#3424 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
USE COMMON VECTOR LOGIC IN ALL ARM ARCHITECTURES. Open

Type: Migrated TODO

apache/nuttx#3425 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
MODBUS NOT USABLE WITH USB SERIAL Open

Type: Migrated TODO

apache/nuttx#3430 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
FAT: CAN'T SEEK TO END OF FILE IF READ-ONLY Open

Type: Migrated TODO

apache/nuttx#3438 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
clock() and CLOCKS_PER_SEC is not POSIX compliant Open

Area: Standards

apache/nuttx#3516 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
stm32l467-DISCO:nsh Serial not working 100% with permutations of HW FC (both on chip and GPIO) /DMA Open

apache/nuttx#3665 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Basic IP Cores requirement for NuttX for Zybo Z7 or any FPGA Open

apache/nuttx#3692 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
nxflat build and run-time errors Open

apache/nuttx#3737 · 30 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SPI SD card on Nucleo-F767zi unable to compile Open

apache/nuttx#3783 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Cygwin build is broken again Open

Area: Build system backport/10.0 backport/10.1 Type: Bug

apache/nuttx#3799 · 24 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
CI: make macos tool installation dependant on jobs to build Open

Area: CI Type: Enhancement

apache/nuttx#3801 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
modularization or legotization of the project. Open

apache/nuttx#3981 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
TCP_STOPPED is unused Open

apache/nuttx#4005 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Raw socket doesnot support non blocking flags including poll and select and any async read access Open

apache/nuttx#4037 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Stack overflow with apps on imxrt1064-evk:netnsh Open

apache/nuttx#4084 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
psock_sendfile should't call file_seek/file_write while the net lock is held. Open

apache/nuttx#4122 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
mksyscall need handle 64bit type correctly Open

apache/nuttx#4206 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Hardfault on boot with telnet daemon without dev console Open

apache/nuttx#4443 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
usbhost: hid_parser.c is compiled unconditionally and is possibly dead code Open

apache/nuttx#4618 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Is the nuttx OS supported GPU or Opengl es Open

apache/nuttx#4679 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Network address was changed unexpectedly Open

apache/nuttx#4845 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
netdev driver should report the real state through netdev_carrier_on/netdev_carrier_off correctly Open

apache/nuttx#5059 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Makefile Improvement Plan Open

apache/nuttx#5205 · 5 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Building System doesn't work case there are space or special characters in the directory name Open

apache/nuttx#5586 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
STM3240-G Build is Broken Open

apache/nuttx#5832 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
CONFIG_NET_TCP_WRITE_BUFFERS=y lead to deadlock Open

apache/nuttx#5973 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
CC01 Wireless Driver Missing nxsem_post in case of error Open

apache/nuttx#6009 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Export Make.defs broken, missing HEAD_OBJ, LDENDGROUP, LDSTARTGROUP Open

apache/nuttx#6082 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
RISC-V：the FPU case in ostest failed due to "lazy" FPU save/restore? Open

apache/nuttx#6172 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
NuttX Window Manager Demo (nxwm) does not Work on the Simulator Open

apache/nuttx#6263 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Implement spinlock on top of atomic api and remove up_testset Open

apache/nuttx#6301 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
USBNSH is not working on STM32F4Discovery Open

apache/nuttx#6575 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PANIC on TIM7 IRQ in timer example on armv6-m without FRAME_POINTERS Open

apache/nuttx#6624 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Nuttx file descriptor dup operation issue Open

Area: Standards

apache/nuttx#6710 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
usleep() blocks when CONFIG_SIM_WALLTIME_SIGNAL is enabled Open

apache/nuttx#6785 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
NUCLEO-L4R5ZI - SDMMC - SDIO - no communication on CMD line Open

apache/nuttx#6796 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
NuttX Net & IOB DMA incompatiblity Open

apache/nuttx#6835 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Reevaluate the C89 Requirement Open

apache/nuttx#6896 · 5 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
Prioritize Ethernet or WiFi over PPP Open

apache/nuttx#7104 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
stm32h7 UART drain problem Open

apache/nuttx#7138 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PPP with SIM800: `lcp_rx: We only support default or all zeros for ACCM` Open

apache/nuttx#7139 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PPP: Use the DNS servers negotiated in the `IPCP` configuration Open

apache/nuttx#7145 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
System does not start on STM32 when CONFIG_STACK_CANARIES is enabled. Open

apache/nuttx#7307 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Is it possible to enable nsh over composite usb configuration using RP2040? Open

apache/nuttx#7331 · 16 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Assertion fails within STM32 MAC driver. Open

apache/nuttx#7435 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
UART Break detection - ESP32 Open

apache/nuttx#7549 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
May i get some help before starting porting NuttX to a new arch namely LoongArch Open

apache/nuttx#7566 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
mpu protected mode debug Open

apache/nuttx#7598 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Exception generated when gdb debugging mpu protected mode on stm32f767 development board Open

apache/nuttx#7617 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/nuttx

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