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Date: Thu, 20 Sep 2012 23:55:07 +0530
From: Vikram Narayanan <vikram186@gmail.com>
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To: Dimitar Penev <dpn@switchfin.org>
Subject: Re: ubiattach  issue
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On 9/20/2012 2:14 PM, Dimitar Penev wrote:
> Hi Gents,
>
> I am facing an issue with ubiattach on Linux kernel 3.0.8
> On our target we have nand flash with mtd layer on top.
> The logs attached below.
>
> Can you please give me a pointer?
>
>
> /bin # ubinfo -a
> UBI version: 1
> Count of UBI devices: 0
> UBI control device major/minor: 10:62
>
> /bin # ubiformat /dev/mtd5 -y --vid-hdr-offset="2048"
> ubiformat: mtd5 (nand), size 511705088 bytes (488.0 MiB), 3904
> eraseblocks of 131072 bytes (128.0 KiB), min. I/O size 2048 bytes
> libscan: scanning eraseblock 3903 -- 100 % complete
> ubiformat: 3904 eraseblocks have valid erase counter, mean value is 3
> ubiformat: formatting eraseblock 3903 -- 100 % complete
>
> /bin # ubiattach /dev/ubi_ctrl --mtdn=5 --devn=0 --vid-hdr-offset="2048"
> ubiattach: error!: cannot attach mtd5
> error 25 (Inappropriate ioctl for device)

Before any pointers, which version of mtd-utils are you using?
How to:
(http://linux-mtd.infradead.org/faq/general.html#L_compile_mtd)

~Vikram