STM32 MPUs Products and hardware related

stm32mp1 rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:

Hi All,with serial ttySTM2 9600 data exchange makes the cpu stall:modified usart.c driver code to support schedule worker threadi am getting a cpu0 and cpu 1 stall attached is the loghas any faced this rcp preempt issue

Anyone know of a chip/board design that has more than one ARM Cortex-M4 or M7, I need 4 of them to do serious signal processing, paired with a big brain like Cortex-A7 that runs linux to send the data to the cloud... ideally would be able to share flash

Can I debug Cortex-A7 cores on STM32MP157?

Hello,I used to develop bare metal applications on STM32MP157 discovery kit, but I can only debug Cortex-M4 with ST-LINK. I would like to debug both Cortex-A7 and Cortex-M4, do I need to get an evaluation board with a JTAG interface? I want to develo...

how to tail /sys/kernel/debug/remoteproc/remoteproc0/trace0 to external file

I tried :tail -F /sys/kernel/debug/remoteproc/remoteproc0/trace0 >> myLog.logbut this command not printing new log messages that appear in the trace0 file.  how can I print every line of log to some external file that not disappear when the remotepro...

Wlan0: Unsupported driver ‘nl80211’

I am working with Buildroot, to flash an image on my STM32MP157C-DK2 I wanted to have Wi-Fi working it but I got this error:Code:Copy to clipboardSuccessfully initialized wpa_supplicantnl80211: 'nl80211' generic netlink not foundFailed to initialize ...

Why systemdctl output of strange characters

These should be escape characters and should not be displayed

AWS IoT C SDK Cross Compile for STM32MP1 dk2 board

Hey guys.... Hope you all are doing well I've own the STM32 mp1 dk2 boardAt my host (Ubuntu 18.4 LTS), i have successful installed OpenSTLinux and SDK I'm able to Cross Compile the "hello world" code at user space and it's working well Now, for one o...

getting kernel panic on worker queue

hi getting following kernel on added code on irq with worker queuecancel_delayed_work(&stm32_port->port.test_dwq); queue_delayed_work(stm32_port->port.test_wq, &stm32_port->port.test_dwq, msecs_to_jiffies(1823));// 3.5T for 9600uname -aLinux mp1som 4...

/dev/watchdog is always busy.

I am using the STM32MP15-DK2 dev board and with a modified device tree to enable some peripherals. I would like to use /dev/watchdog to reset if ever my application hangs. But whenever I try to open the device I get Error opening watchdog device: Dev...

Is it possible to use a Text-to-speech engine like pico2wave or espeak on the STM32MP1 serie?

Looking for a light linux distro and processor (MPU) wich is capable of running one of the text to speech engines.