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 13h
Merged PRs (30d): 230

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

avr: teensy 2.0 Non-Functional Open

Type: Bug

apache/nuttx#2104 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
nrf52 serial: use DMA Open

Type: Enhancement

apache/nuttx#2150 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
sim: terminal is garbled when nuttx is killed Open

Type: Bug

apache/nuttx#2163 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Remove unnessary calls to up_mdelay in sensors Open

Type: Enhancement

apache/nuttx#2190 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
tms570 problems Open

apache/nuttx#2197 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Out-of-tree custom board example missing from documentation Open

Area: Documentation Type: Enhancement

apache/nuttx#2206 · 16 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Incomplete TCP Urgent OOB Data Support Open

Area: Networking State: Missing logic

apache/nuttx#2327 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
docs: Missing instruction for building from release budles Open

Area: Documentation

apache/nuttx#2443 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SocketCAN interface is selected for outgoing TCP/IP/UDP packets Open

apache/nuttx#2502 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Not possible to select SPI3 DMA RX1 on STM32 F2, F4, F7, H7 Open

apache/nuttx#2567 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Should we put Linux specific interfaces(e.g. netlink, eventfd) to include/linux folder? Open

Community: Question

apache/nuttx#2586 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Use of Semaphores in KERNEL mode Open

State: Missing logic Type: Bug

apache/nuttx#2787 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Possible memory problems with Ethernet and CDC-ACM Open

apache/nuttx#2823 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bug: sporadic scheduling does not work for multiple threads Open

apache/nuttx#2935 · 16 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Pinging unreachable IP eventually blocks (for some time) Open

Type: Bug

apache/nuttx#3128 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Board configs via base defconfig + supplemental options Open

Community: Proposal

apache/nuttx#3142 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Move internal globals to TLS to protect mutual access on FLAT mode Open

Area: Standards Type: Enhancement

apache/nuttx#3168 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
CI: optimize Open

Area: CI Community: Proposal

apache/nuttx#3262 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
tcpecho example waiting for ACK after sending [SYN, ACK] & Ping command misinterpreting sender IP Open

apache/nuttx#3276 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Standardize newline handling of syslog Open

Area: Standards Type: Enhancement

apache/nuttx#3291 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
pause() NON-COMPLIANCE Open

Type: Migrated TODO

apache/nuttx#3328 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ON-DEMAND PAGING INCOMPLETE Open

Type: Migrated TODO

apache/nuttx#3329 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
TIMER_GETOVERRUN() Open

Type: Migrated TODO

apache/nuttx#3331 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
INCOMPATIBILITIES WITH execv() AND execl() Open

Type: Migrated TODO

apache/nuttx#3332 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
TASK CONTROL INFORMATION SCALABILITY Open

Type: Migrated TODO

apache/nuttx#3336 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
INTERNAL VERSIONS OF USER FUNCTIONS Open

Type: Migrated TODO

apache/nuttx#3337 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PRIORITY INHERITANCE WITH SPORADIC SCHEDULER Open

Type: Migrated TODO

apache/nuttx#3339 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SIMPLIFY SPORADIC SCHEDULER DESIGN Open

Type: Migrated TODO

apache/nuttx#3340 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
REMOVE NESTED CANCELLATION POINT SUPPORT Open

Type: Migrated TODO

apache/nuttx#3341 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
DAEMONIZE ELF PROGRAM Open

Type: Migrated TODO

apache/nuttx#3342 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ISSUES WITH ACCESSING CPU INDEX Open

Type: Migrated TODO

apache/nuttx#3344 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
FREE MEMORY ON TASK EXIT Open

Type: Migrated TODO

apache/nuttx#3345 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
STANDARD SIGNALS Open

Type: Migrated TODO

apache/nuttx#3346 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SIGNAL NUMBERING Open

Type: Migrated TODO

apache/nuttx#3348 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
NO QUEUING of SIGNAL ACTIONS Open

Type: Migrated TODO

apache/nuttx#3349 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
QUEUED SIGNAL ACTIONS ARE INAPPROPRIATELY DEFERRED Open

Type: Migrated TODO

apache/nuttx#3350 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PTHREAD_PRIO_PROTECT Open

Type: Migrated TODO

apache/nuttx#3351 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
INAPPROPRIATE USE OF sched_lock() BY pthreads Open

Type: Migrated TODO

apache/nuttx#3352 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
WORK QUEUE DELAY INACCURACIES Open

Type: Migrated TODO

apache/nuttx#3353 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
TOO MANY SYSCALLS Open

Type: Migrated TODO

apache/nuttx#3355 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SECURITY ISSUES Open

Type: Migrated TODO

apache/nuttx#3356 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
MICRO-KERNEL Open

Type: Migrated TODO

apache/nuttx#3357 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
USER MODE TASKS CAN MODIFY PRIVILEGED TASKS Open

Type: Migrated TODO

apache/nuttx#3358 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SIGNAL ACTION VULNERABILITY Open

Type: Migrated TODO

apache/nuttx#3359 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
STATIC CONSTRUCTORS AND MULTITASKING Open

Type: Migrated TODO

apache/nuttx#3360 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
UCLIBC++ AND STATIC CONSTRUCTORS Open

Type: Migrated TODO

apache/nuttx#3361 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
NXFLAT TESTS Open

Type: Migrated TODO

apache/nuttx#3362 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ARM UP_GETPICBASE() Open

Type: Migrated TODO

apache/nuttx#3363 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
NXFLAT READ-ONLY DATA IN RAM Open

Type: Migrated TODO

apache/nuttx#3364 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
GOT-RELATIVE FUNCTION POINTERS Open

Type: Migrated TODO

apache/nuttx#3365 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/nuttx

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