On 31/05/2021 04.54, Pintu Agarwal wrote: > On Tue, 25 May 2021 at 11:07, Sean Nyekjaer <sean@xxxxxxxxxx> wrote: >> We are writing our rootfs with this command: >> ubiupdatevol /dev/ubi0_4 rootfs.squashfs >> >> Please understand the differences between the UBI and UBIFS. UBI(unsorted block image) and UBIFS(UBI File System). >> I think you want to write the squashfs to the UBI(unsorted block image). >> >> Can you try to boot with a initramfs, and then use ubiupdatevol to write the rootfs.squshfs. >> > Dear Sean, thank you so much for this suggestion. > Just a final help I need here. > > For future experiment purposes, I am trying to setup my qemu-arm > environment using ubifs/squashfs and "nandsim" module. > I already have a working setup for qemu-arm with busybox/initramfs. > Now I wanted to prepare ubifs/squashfs based busybox rootfs which I > can use for booting the mainline kernel. > Is it possible ?> Are there already some pre-built ubifs images available which I can > use for my qemu-arm ? > Or, please guide me how to do it ? > > I think it is more convenient to do all experiments with "nandsim" > instead of corrupting the actual NAND hardware. > If you have any other suggestions please let me know. > > > Thanks, > Pintu > Hi, I have not used qemu with nandsim :( I would prefer testing on the actual hardware. We have used Labgrid in the past for that. /Sean