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  1. Thank you for answer. I am using Debian 2.0.0 Release Version.
  2. The environmental temperature is around 25 to 30 degrees and a heat sink is attached. If the CPU temperature is overheated, will it automatically reboot? Or does it shut down? When the system is stopped, only the power LED on and the LAN port lamps all remain OFF. There are 240 identical systems in operation, but only an unspecified unit has occasional problems. (4 ~ 5EA)
  3. Tinkerboard2 runs 24 hours a day, but sometimes goes down. Is there a Hardware Watchdog feature? I would like to get setup information about WatchDog.
  4. CH341.c Changed. A fresh install of Kernel was successful.
  5. Hello @tooz, It seems that reset is not possible in the error state. If you unplug the PL2303 plug and reinstall it, it will be recognized normally. Thank You.
  6. ken

    Kernel Install Fail

    Hello @tooz Tinker Board2 USE SD Card Image, sudo dd if=boot.img of=/dev/mmcblk0p4 status=progress && sync Success ! Thank You.
  7. ken

    Kernel Install Fail

    Hello @tooz, In 4.4.194 , I changed the kernel module to a module and built it. $ sudo dd if=boot.img of=/dev/sdd4 status=progress && sync $ sudo reboot No Change Kernel. Not Found sdd4 Plese Help Me.
  8. ken

    Kernel Install Fail

    Use TinkerBoard2 In order to disable Built In driver, I changed it to [M] in Config and made it. (CH341 / PL2303) sudo make ARCH=arm64 tinker2_defconfig <- OK sudo make ARCH=arm64 menuconfig <- CH341 / PL2303 Driver [M] Change sudo make ARCH=arm64 rk3399-tinker_board_2.img -j24 <- OK sudo make ARCH=arm64 install <-- Fail /root cat: write error: No space left o device I searched and found that sudo dd if=boot.img of=/dev/mmcblk1p4 df command /dev/mmcblk0p8 - /root sudo dd if=boot.img of=/dev/mmcblk0p8 Reboot ... but Not Change Kernel Retry Install Command Run sudo make ARCH=arm64 install ..... /bin/bash ./arch/arm64/boot/install.sh 4.4.194 \ arch/arm64/boot/Image System.map "/boot" run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.194 /boot/vmlinuz-4.4.194 run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.194 /boot/vmlinuz-4.4.194 update-initramfs: Generating /boot/initrd.img-4.4.194 find: ‘/var/tmp/mkinitramfs_oURVYA/lib/modules/4.4.194/kernel’: No such file or directory run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.194 /boot/vmlinuz-4.4.194 Reboot ... but Not Change Kernel Please help me.
  9. PL2303 Usb To Serial Use TinkerBoard2 USB port nn disabled by hub (EMI?), re-enabling It is not recognized automatically after an error occurs. dmesg Message [ 10.052654] usb 5-1.1: Device not responding to setup address. [ 10.263675] usb 5-1.1: device not accepting address 6, error -71 [ 10.300419] usb 5-1-port1: unable to enumerate USB device But Power OFF -> ON It is recognized normally. FTDI Usb To Serial Use TinkerBoard2 - It is automatically recognized again after EMI Error occurs. PL2303 Driver Kernel Bug?
  10. Use Tinker Board 2 Debian 10 V2.0.4 CH341 USB to Serial Recognition works well. However, there is no actual communication. But CH341 USB to Serial Module connect Raspberrypi4, communication works well. I don't know why, because it is recognized, but data cannot be transmitted. Maybe I downloaded the kernel header and built a new CH341 Driver, but an error occurs.
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