Does the ubuntu Image include zImage?

[xiaochao0131]

I noticed that the ubuntu Image(.img.gz) available for iMX6 sabre lite board. But I don't know whether it include zImage. I downloaded the mfgtools and checked the ucl2.xml, I found the u-boot , zImage, initramfs and rootfs can be flashed into the board. My question is that is it enough to flash ubuntu Image after flashing u-boot. Should I flash the zImage separately?

The ubuntu Image I mentioned above is Ubuntu Trusty for i.MX6/7 boards – March 2016 (kernel 3.14.52)

which is located at http://boundarydevices.com.commondatastorage.googleapis.com/20160330-nitrogen-3.14.52_1.1.0_ga-trust...

[ericnelsonaz]

As Gary said above, you can use the USB Mass Storage (ums) command to flash the image, which contains the kernel and userspace.

To add just a little detail:

• the board boots through the boot script (/6x_bootscript), and you can view that file with an editor if you just skip over the first bytes of binary header.
  
  
• The kernel (gzipped) is accessed through the symlink /vmlinuz, which will point at a file in /boot. There are some notes about "Ubuntunizing" the kernel here:
  https://boundarydevices.com/ubuntunizing-i-mx6-kernels/
  
  In short: since the Boundary Devices' Ubuntu images boot through a RAM disk, you also need to update the kernel modules inside the ram disk (pointed at by /initrd.img).

[gary_bisson]

Hi,

Yes the image includes the zImage and the device tree for the board.

But, as I said yesterday in one of your question, you should *not* use MFGTools with our images/platforms:

iMX6 sabre lite always in download mode

Also, we provide an option to flash the images under Windows if you don't have Linux:

alex's coding playground » USB Image Tool

Regards,

Gary

[xiaochao0131]

Thanks

[igorpadykov]

Hi

mfgtools is just small linux image and all linux commands can be executed

by it (add them to ucl2.xml). So "dd" command also can be used.

Best regards

igor

[xiaochao0131]

Hi igorpadykov,

Thanks for your reply.

I flashed uboot just now, and there is only uboot in my board, In this case, can I flash ubuntu image to my board ?

~/Downloads$ sudo umount /dev/sdc*

~/Downloads$ zcat 20160213-nitrogen*.img.gz | sudo dd of=/dev/sdc bs=1M

~/Downloads$ sync

I have naver flashed the zImage, I don't know if the ubuntu image contains the zImage.

[igorpadykov]

Hi

yes these linux commands also may work, please try to add

them to ucl2.xml. Also please read documentation in mfg tools

../Document  folder.

For big images one can look at

Increasing the size of initfsram for mfgtool

Best regards

igor

[CarlosCasillas]

gary_bisson​ are you able to help here?