Hi all,
I had successfully used JFFS2 as root.
Then I tried to use the same way to use Cramfs as root, and it cannot work.
Use JFFS2 as root:
mtd/util/mkfs.jffs2 -d root root.jffs2
go 0x802b2018 rootfstype=jffs2 root=31:01
mtdparts=maltaflash:1536k(ldr),2048k(root)
Use Cramfs as root:
/sbin/mkfs.cramfs root root.cramfs
go 0x802b2018 rootfstype=cramfs root=31:01
mtdparts=maltaflash:1536k(ldr),2048k(root)
Error message:
VFS: Cannot open root device "31:01" or unknown-block(31,1)
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on unknown-block(31,1)
I donot know the right way to boot up Linux with cramfs root image.
There is not much information about it.
Could anyone give me a clue?
Thanks and regards,
Colin
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