RE: NAND erase failures on overo

2010-09-11 Thread Ghorai, Sukumar

> -Original Message-
> From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap-
> ow...@vger.kernel.org] On Behalf Of Cliff Brake
> Sent: Saturday, September 11, 2010 3:22 AM
> To: Linux OMAP Users
> Subject: NAND erase failures on overo
> 
> With the current, linux-omap:master branch
> (8475b9e5077d9e9b4ba7a92afd4c5c7d65564c09), I get the following errors
> on a overo system when erasing flash:
> 
> r...@ts3:~# flash_eraseall -j /dev/mtd4
> Erasing 128 Kibyte @ 8c4 -- 56 % complete. Cleanmarker written at
> 8c2.
> flash_eraseall: /dev/mtd4: MTD Erase failure: Input/output error
> Erasing 128 Kibyte @ 944 -- 59 % complete. Cleanmarker written at
> 942.
> flash_eraseall: /dev/mtd4: MTD Erase failure: Input/output error
> Erasing 128 Kibyte @ f98 -- 100 % complete.Cleanmarker written at
> f96.
[Ghorai] There are few bad blocks reported by NAND erase.

> 
> On the omap3530 TI EVM, with the same kernel, I don't see any of these
> errors.
> 
> I'm not sure if its related to something like this:
> 
> http://lists.infradead.org/pipermail/linux-mtd/2010-August/031563.html
> 
> Thanks,
> Cliff
> 
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NAND erase failures on overo

2010-09-10 Thread Cliff Brake
With the current, linux-omap:master branch
(8475b9e5077d9e9b4ba7a92afd4c5c7d65564c09), I get the following errors
on a overo system when erasing flash:

r...@ts3:~# flash_eraseall -j /dev/mtd4
Erasing 128 Kibyte @ 8c4 -- 56 % complete. Cleanmarker written at 8c2.
flash_eraseall: /dev/mtd4: MTD Erase failure: Input/output error
Erasing 128 Kibyte @ 944 -- 59 % complete. Cleanmarker written at 942.
flash_eraseall: /dev/mtd4: MTD Erase failure: Input/output error
Erasing 128 Kibyte @ f98 -- 100 % complete.Cleanmarker written at f96.

On the omap3530 TI EVM, with the same kernel, I don't see any of these errors.

I'm not sure if its related to something like this:

http://lists.infradead.org/pipermail/linux-mtd/2010-August/031563.html

Thanks,
Cliff

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