going

This is a common Linux issue and we usually do not provide assistance. But you have interested me in this fact. If I understood correctly, then the same SSD drive connected via the SATA connector - trim mode is possible, and connected via a USB-SATA adapter - trim mode is impossible? Publish the DMESG output of the line where the USB-SATA adapter is defined. I have a lot of these things. I'll check it out.

Absolute agreement. And this is part of the user's research. A millivoltmeter and knowledge of the measuring point is something that cannot be programmed and provided.

datasheet: [ LPDDR3 ] * VDD1 = 1.8V (1.7V to 1.95V) * VDD2, VDDCA and VDDQ = 1.2V (1.14V to 1.30) * HSUL_12 interface (High Speed Unterminated Logic 1.2V datasheet; e·MMC consists of NAND flash and a MMC controller. 3V supply voltage is required for the NAND area (VDDF) whereas 1.8V or 3V dual supply voltage (VDD) is supported for the MMC controller. Maximum MMC interface frequency of 200MHz and maximum bus widths of 8 bit are supported MMC I/F Clock Frequency : 0 ~ 200MHz MMC I/F Boot Frequency : 0 ~ 52MHz Temperature : Operation(-25C ~ 85C), Storage without operation (-40C ~ 85C) Power : Interface power → VDD (1.70V ~ 1.95V or 2.7V ~ 3.6V), Memory power → VDDF (2.7V ~ 3.6V)

Individual settings for the memory chip such as timings, power supply voltage in the uboot bootloader can solve some problems. Maybe we can compare what is soldered on our boards? @Tu Hu @dd5xl @AaronNGray My board: Bpi-M3 v1.1 ___________ AXP813 ___________ RTL8211E _______________ SUMSUNG 319 KLM8G1GEAC-B001 _______________ SKhynix H9CCNNNBJTML ARNUM 521A UTMBA023HA _______________

Do these images work for your BPI? Is there an internet connection when you launch them? When you run your BPI on your current image without going online, is there normal operation?

I did not immediately notice (drew attention to) the fact that in the logs posted in both topics you can find messages about the missing Internet. The voltage was applied to the device. When booting, system services try to reach the time server and set the current date and time. They can't do it and the system ends up in the past. A system failure is occurring. And as a result, a reboot. You and I cannot know on which images the system services are working correctly, and in which cases a failure occurs. In my memory, this part of the functionality has changed. I remember that there was a script that remembered the current time before shutdown and restored it by adding one hour.

It seems that the reason is the lack of Internet access. It's like air. While he is there, he is not noticed. It's gone and the "coffee makers" are starting to glitch in different corners

@dd5xl Igor, what kind of kernel is working at the same time? I don't see any temperature readings. What is the value of the CONFIG_DRAM_CLK parameter ?

You won't believe it, but sometimes it seems to me that artificial intelligence begins to mock my messages. I apologize.

A search for Ali on the FTDI232 line yielded 216 results. Is that not enough?