STM32 MPUs Products and hardware related

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"stm32-usart 4000f000.serial: failed to get alias id, errno -19" and additional likely related error output to std-out

I've noticed when booting one of our board designs with a STM32MP157C in openstlinux-5.4-dunfell-mp1-20-11-12 with Weston Wayland under the STM32MP157-Ecosystem-v2.1.0 that multiple times when the kernel is loading I'll see the following messages out...

KWatt.2 by Associate
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Resolved! Some question about RPMSG in STM32MP1

​1. When I create an openamp-based virtual_huart0 on the M4 side for exchanging information,some code is as follows:if (VIRT_UART_Init(&huart1) != VIRT_UART_OK) { printf("VIRT_UART_Init UART1 failed.\r\n"); Error_Handler(); }   VIRT_UART_Status...

0693W00000Bb9vxQAB.png
Mchen.3 by Associate
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