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    cool-pi 4b: loop of logo during boot

    Scheduled Pinned Locked Moved Ubuntu
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    • N
      nickliu
      last edited by nickliu

      Hi,
      I'm trying out the Ubuntu image downloaded from the Onedrive.
      The boot process was failed that kept rebooting right after showing the cool-pi logo:

      • The cool-pi 4b can work with the armbian
      • The ubuntu image I trried are
        ** 20230105-ubuntu-20.04-preinstalled-desktop-arm64-coolpi
        ** 20230116-ubuntu-20.04-preinstalled-desktop-arm64-coolpi
        Can anyone help me with that?

      Bests,
      Nick

      大法师大 1 Reply Last reply Reply Quote 0
      • 大法师大
        大法师 @nickliu
        last edited by 大法师

        @nickliu I'v check these images and boot okay.
        c9999421-f875-41d7-87ec-40a53717c535-1674709319391.png


        emmc.jpg

        jack@cool-pi.com

        N 1 Reply Last reply Reply Quote 0
        • N
          nickliu @大法师
          last edited by

          @大法师 Interesting. It looks like the emmc is connected to the USB port. Have you tried to put the emmc on the coolpi board yet? I got the infinite loop while putting the emmca on the coolpi board. Did I miss anything in set up?Thx

          大法师大 1 Reply Last reply Reply Quote 0
          • 大法师大
            大法师 @nickliu
            last edited by 大法师

            @nickliu emmc onboard also nice!

            2b7c1378-088c-42ff-9e57-cdbbd14d452d-1674712085180.png

            change console to ttyS1, and then boot again if something output message from HDMI.

            ec6ed09a-b69c-46cf-9976-dc491ea5710a-1674712176809.png

            jack@cool-pi.com

            N 1 Reply Last reply Reply Quote 0
            • N
              nickliu @大法师
              last edited by

              @大法师 Still not working.
              Looks it to be a uboot problem?
              I connected the serial port to board.
              The uboot outputs the error: "Failed to mount ext2 filesystem...".
              And the file system of image are msdos and ext4.
              Any thoughts?

              1 Reply Last reply Reply Quote 0
              • 大法师大
                大法师
                last edited by

                @nickliu https://www.cool-pi.com/topic/168/如果制作的启动盘无法加载

                Maybe like this. Do you have TF card which can load into system?

                jack@cool-pi.com

                N 2 Replies Last reply Reply Quote 0
                • N
                  nickliu @大法师
                  last edited by nickliu

                  @大法师 Thanks.
                  The issue is because old version u-boot cannot correctly handle the ext4 file system.
                  I changed the mkfs.ext4 to mkfs.ext4 -O ^metadata_csum,^64bit in the github/ubuntu/telet.sh.
                  The img compiled by myself can boot w/o that loop logo issue but stuck somewhere in the kernel boot.
                  I will try the TF and let you know.

                  I tried the method in the link. The gdisk output is as following:
                  sudo gdisk /dev/sdc
                  GPT fdisk (gdisk) version 1.0.5

                  Partition table scan:
                  MBR: MBR only
                  BSD: not present
                  APM: not present
                  GPT: not present

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                  • N
                    nickliu @大法师
                    last edited by

                    @大法师
                    The TF card is working.
                    Interesting....
                    Any thoughts?

                    大法师大 1 Reply Last reply Reply Quote 0
                    • 大法师大
                      大法师 @nickliu
                      last edited by

                      @nickliu Thanks! While burn firmware and insert eMMC or TF card first booting, please save serial console log.

                      jack@cool-pi.com

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