Maybe you can share the command you used to prepare the sdcard rootfs.
It may help us clarify what is going wrong here.
1.I change the sdmmc3 status to okay;
2.I set the sd detect pin;
3. insert the sdcard to sd slot, linux can find it by lsblk, and it’s mount ok;
4. execute l4t_create_default_user.sh to create the user and password;
5. I tar the rootfs on the sdk(tar czvf rootfs.tar.gz *);
6. I used scp command to copy it from my vmvare to the mount point and uncompress;
7. then I change the extlinux.conf, add mmcblk1p1 to it;
8. I reboot and rootfs can be loaded by sd card;
9. I find ubuntu can not login by hdmi;
Could you find a native ubuntu x86 host and follow the " Flashing to a USB Drive" instructions in below document? Just replace every usb drive node to your sdcard node.
I guess your step in 5,6 will lead to something wrong. Better following this steps first.
ok,I’ll try thanks!
It‘s Ok thanks you！
I have some question for you，：
- What does this sentence do: “sudo BOOTDEV=sda1 ./flash.sh --no-flash sda1”;
2.I change the rootfs for sd card by change the extlinux, Whether the authorities have any other options?;
What does this sentence do: “sudo BOOTDEV=sda1 ./flash.sh --no-flash sda1
This one is just same as creating a “root=/dev/sda1” in your extlinux.conf but as a more proper way. This way will make sure bootloader is using sda1 instead of mmcblk0p1.