From: Artem Bityutskiy <dedekind1@gmail.com>
To: Brian Norris <norris@broadcom.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
David Woodhouse <David.Woodhouse@intel.com>,
Maxim Levitsky <maximlevitsky@gmail.com>
Subject: Re: [PATCH v2 0/2] Improved BB Scanning
Date: Wed, 21 Jul 2010 12:49:19 +0300 [thread overview]
Message-ID: <1279705759.2306.0.camel@localhost> (raw)
In-Reply-To: <4C44A833.3010500@broadcom.com>
On Mon, 2010-07-19 at 12:32 -0700, Brian Norris wrote:
> On 07/18/2010 09:38 AM, Artem Bityutskiy wrote:
> > I did not _really_ review this, it the patches look good. How did you
> > test them? Did you test on both large and small page NANDs?
>
> I referenced 30+ data sheets (covering 100+ parts), and I tested a
> selection of 10 different chips to varying degrees. Particularly, I
> tested the creation of bad-block descriptors and basic BB scanning on
> three parts:
>
> ST NAND04GW3B2D, 2K page
> ST NAND128W3A, 512B page
> Samsung K9F1G08U0A, 2K page
>
> To test these, I wrote some fake bad block markers to the flash (in OOB
> bytes 1, 6, and elsewhere) to see if the scanning routine would detect
> them properly. However, this method was somewhat limited because the
> driver I am using has some bugs in its OOB write functionality.
Sounds like you did a lot of work. I'll add this information to the
patch description.
--
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
next prev parent reply other threads:[~2010-07-21 9:56 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-23 20:36 [PATCH] mtd/nand: Edit macro flag for BBT scan of last page in block Brian Norris
2010-06-25 21:36 ` [PATCH 2] mtd/nand, BB detect: factory marker in page 1, 2, last and byte 1 or 6 Brian Norris
2010-07-13 8:21 ` Artem Bityutskiy
2010-07-13 22:12 ` [PATCH v2 0/2] Improved BB Scanning Brian Norris
2010-07-13 22:13 ` [PATCH v2 1/2] mtd/nand, BB detect: factory marker in page 1, 2, last and byte 1 or 6 Brian Norris
2010-07-13 22:13 ` [PATCH v2 2/2] mtd/nand: More BB Detection, dynamic scan options Brian Norris
2010-07-13 23:56 ` Brian Norris
2010-07-15 19:15 ` [PATCH v3 " Brian Norris
2010-07-18 16:38 ` [PATCH v2 0/2] Improved BB Scanning Artem Bityutskiy
2010-07-19 19:32 ` Brian Norris
2010-07-21 9:49 ` Artem Bityutskiy [this message]
2010-07-22 19:44 ` Karl Beldan
2010-07-21 23:53 ` [PATCH] mtd/nand: Update nand_default_block_markbad() Brian Norris
2010-07-26 4:30 ` Artem Bityutskiy
2010-07-08 9:15 ` [PATCH] mtd/nand: Edit macro flag for BBT scan of last page in block Artem Bityutskiy
2010-07-13 8:01 ` Artem Bityutskiy
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