From: Artem Bityutskiy <dedekind@infradead.org>
To: Thang Dao Duy <hanbaoquansexy@gmail.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: Confuse with WL_THRESHOLD
Date: Sun, 07 Jun 2009 13:23:00 +0300 [thread overview]
Message-ID: <1244370180.5847.322.camel@localhost.localdomain> (raw)
In-Reply-To: <a1fb7300906051703p148c5d1k7fd46257c8031ac6@mail.gmail.com>
On Sat, 2009-06-06 at 07:03 +0700, Thang Dao Duy wrote:
> Hi everyone.
> I used NANDsim and ubifs not for along time. Now, I have confused with
> wear-leveling threshold. If i give parameter WL_THRESHOLD in Kernel is
> small (example, the value is 3), then when i write a file size 2 MiB
> to NAND about 200 times, it makes me cannot read EC and VID headers of
> one PEB (example PEB 10). May be that PEB is bad ? And when i set the
> WL_THRESHOLD is higher (the value is 20), i write a file 2MiB about
> 1000 times, nothing 's happen, i can read headers of any PEB. So can
> you tell me what make this happen, and show me where in ubi source in
> kernel.
Looks like a bug. Please, describe precisely how to reproduce it,
and I'll take a look at this.
--
Best regards,
Artem Bityutskiy (Битюцкий Артём)
next prev parent reply other threads:[~2009-06-07 10:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <a1fb7300906022244g5cd882acw7de4b9b0ecc35547@mail.gmail.com>
2009-06-06 0:03 ` Confuse with WL_THRESHOLD Thang Dao Duy
2009-06-07 10:23 ` Artem Bityutskiy [this message]
2009-06-08 7:26 ` Artem Bityutskiy
2009-06-10 3:31 ` Thang Dao Duy
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