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Subject: Re: error!: "/dev/ubi0" is not a character device ?!?
From: Artem Bityutskiy <dedekind1@gmail.com>
To: Arno Steffen <arno.steffen@googlemail.com>
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Date: Tue, 24 Aug 2010 11:53:55 +0300
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On Tue, 2010-08-24 at 10:32 +0200, Arno Steffen wrote:
> Please let me know, whether I used it right. I enabled in config
> build test modules, "make modules" and copied this modules to my
> embedded device. There I just typed insmod mtd_readtest.ko
> As far as I could see it just accesses /dev/mtd0. This is read only
> (Xloader and HW-ECC). Can this cause this problems? How to check other
> parts of Flash. Couldn't found some docu to the test modules.
> 
> What does this mean:
> 
> mtd_readtest: finished with errors
> mtd_readtest: error -74 occurred
> =================================================
> insmod: cannot insert 'mtd_readtest.ko': Bad message

Please, check modinfo mtd_readtest and notice there is a 'dev' parameter
which you can use to specify the mtd device to test. Use it.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)