le-cheng opened a new issue, #17865:
URL: https://github.com/apache/nuttx/issues/17865
### Description / Steps to reproduce the issue
make distclean
./tools/configure.sh sim:lvgl_lcd && make -j$(nproc)
./nuttx
Move the mouse on the page
```bash
[LVGL] [User] (0.000, +0) check_stack_size: tid: 3, Stack size :
67504 lv_nuttx_entry.c:297
[LVGL] [User] (0.000, +0) lv_nuttx_lcd_create: lcd /dev/lcd0 opening
lv_nuttx_lcd.c:77
[LVGL] [User] (0.000, +0) lv_nuttx_lcd_create: lcd /dev/lcd0 open
success lv_nuttx_lcd.c:84
[LVGL] [User] (0.000, +0) lv_nuttx_touchscreen_create: touchscreen
/dev/input0 opening lv_nuttx_touchscreen.c:68
[LVGL] [User] (0.000, +0) lv_nuttx_touchscreen_create: touchscreen
/dev/input0 open success lv_nuttx_touchscreen.c:75
[LVGL] [Warn] (0.000, +0) lv_demo_widgets: LV_FONT_MONTSERRAT_20 is
not enabled for the widgets demo. Using LV_FONT_DEFAULT instead.
lv_demo_widgets.c:143
dump_assert_info: Current Version: NuttX 0.0.0 a5a29bdbbb Jan 13 2026
18:30:20 sim
dump_assert_info: Assertion failed : at file: semaphore/sem_wait.c:146 task:
Idle_Task process: Kernel 0x40002560
dump_tasks: PID GROUP PRI POLICY TYPE NPX STATE EVENT SIGMASK
STACKBASE STACKSIZE USED FILLED COMMAND
dump_task: 0 0 0 FIFO Kthread - Running
0000000000000000 0x7ffd683d5a00 69600 2232 3.2% Idle_Task
dump_task: 1 0 224 FIFO Kthread - Waiting Semaphore
0000000000000000 0x79b6d0fe86f0 67488 608 0.9% hpwork
0x400c90e0 0x400c9160
dump_task: 2 0 100 FIFO Kthread - Waiting Semaphore
0000000000000000 0x79b6d0ff9080 67488 608 0.9% lpwork
0x400c9020 0x400c90a0
dump_task: 3 3 100 FIFO Task - Waiting Signal
0000000000000000 0x79b6d1009df0 67504 5048 7.4% lvgldemo_main
widgets
```
### On which OS does this issue occur?
[OS: Linux]
### What is the version of your OS?
ubuntu 24.04
### NuttX Version
master 20260113
### Issue Architecture
[Arch: simulator]
### Issue Area
[Area: Drivers]
### Host information
Perhaps the touch driver uses a blocking function in the interrupt
### Verification
- [x] I have verified before submitting the report.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
