From: Huang Shijie <b32955@freescale.com>
To: Elie De Brauwer <eliedebrauwer@gmail.com>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
Huang Shijie <shijie8@gmail.com>,
David Woodhouse <dwmw2@infradead.org>,
Artem Bityutskiy <dedekind1@gmail.com>
Subject: Re: [PATCH v2] mtd: gpmi: Deal with bitflips in erased regions regions
Date: Tue, 17 Dec 2013 10:29:33 +0800 [thread overview]
Message-ID: <20131217022932.GB12575@shlinux2.ap.freescale.net> (raw)
In-Reply-To: <CAGWqfii2XjauNFMRu=OMTRTsgDeH9-dLhOsr0MeVhX2f-iAmkw@mail.gmail.com>
On Mon, Dec 16, 2013 at 02:14:03PM +0100, Elie De Brauwer wrote:
>
> Well the stress test is simply dd if=/dev/mtdX of=/dev/null bs=1M (or nanddump).
For a new erased partition, my patch shows log like:
----------------------------------------------------------
[ 200.635358] [ gpmi_ecc_read_page ] stat : ff10
[ 200.636522] [ gpmi_ecc_read_page ] stat : ff10
[ 200.637675] [ gpmi_ecc_read_page ] stat : ff10
[ 200.638827] [ gpmi_ecc_read_page ] stat : ff10
[ 200.639980] [ gpmi_ecc_read_page ] stat : ff10
[ 200.641130] [ gpmi_ecc_read_page ] stat : ff10
[ 200.642285] [ gpmi_ecc_read_page ] stat : ff10
[ 200.734553] [ gpmi_ecc_read_page ] stat : ff10
[ 200.735726] [ gpmi_ecc_read_page ] stat : ff10
[ 200.736882] [ gpmi_ecc_read_page ] stat : ff10
[ 200.738037] [ gpmi_ecc_read_page ] stat : ff10
................................................
----------------------------------------------------------
thanks
Huang Shijie
next prev parent reply other threads:[~2013-12-17 2:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-15 18:44 [PATCH v2] mtd: gpmi: Bitflip support in erased regions Elie De Brauwer
2013-12-15 18:44 ` [PATCH v2] mtd: gpmi: Deal with bitflips in erased regions regions Elie De Brauwer
2013-12-16 4:30 ` Huang Shijie
2013-12-16 9:43 ` Elie De Brauwer
2013-12-16 13:00 ` Huang Shijie
2013-12-16 13:14 ` Elie De Brauwer
2013-12-17 2:23 ` Huang Shijie
2013-12-17 2:29 ` Huang Shijie [this message]
2013-12-17 2:37 ` Huang Shijie
2013-12-17 6:35 ` Elie De Brauwer
2013-12-17 7:10 ` Brian Norris
2013-12-17 3:50 ` Huang Shijie
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