[uClinux-dev] Does jffs2 block must start as 0x1985?

[Aubrey Li]

On 3/23/07, Yue Han <voyage.hy at gmail.com> wrote:
> Chime in easily!
>
> I have made my flash_eraseall use mtd-snapshot-20050217 and mips-linux-gcc
> cross compiler, but I got this error message as below:
> =========
> # ./flash_eraseall /dev/mtd2
> MTD_open
> MTD_ioctl
> MTD_ioctl
> Invalid ioctl 80084d0b (MEMGETINFO = 40204d01)
>
>
> ./flash_eraseall /dev/mtd2: MTD get bad block failed: Inappropriate ioctl
> for device
> =========
> I don't know how to fix it.
>
You missed something in the kernel configuration. Did you enable the
following option?

[Memory Technology Devices (MTD)]
--> Direct char device access to MTD devices?

-Aubrey