From: Fernando Silveira <fsilveira@gmail.com>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: I/O and pdflush
Date: Fri, 28 Aug 2009 18:48:40 -0300 [thread overview]
Message-ID: <6afc6d4a0908281448s537aa315jcb79b27453cf4279@mail.gmail.com> (raw)
In-Reply-To: <20090712080410.GA8512@localhost>
On Sun, Jul 12, 2009 at 05:04, Wu Fengguang<fengguang.wu@intel.com> wrote:
> On Sat, Jul 11, 2009 at 02:27:25PM -0300, Fernando Silveira wrote:
>> I'm having a hard time with an application that writes sequentially
>> 250GB of non-stop data directly to a solid state disk (OCZ SSD CORE
>> v2) device and I hope you can help me. The command "dd if=/dev/zero
>> of=/dev/sdc bs=4M" reproduces the same symptoms I'm having and writes
>> exactly as that application does.
>
> What's your kernel version? Can the following patch help?
Sorry for the delay, but I could not test it before.
Unfortunately it did not help or change any symptoms at all. The
kernel version I tested was a non-patched 2.6.30.1 version.
Do you have any other hint?
--
Fernando Silveira <fsilveira@gmail.com>
next prev parent reply other threads:[~2009-08-28 21:48 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-11 17:27 Fernando Silveira
2009-07-12 8:04 ` Wu Fengguang
2009-08-28 21:48 ` Fernando Silveira [this message]
2009-08-29 10:12 ` Wu Fengguang
2009-08-29 10:21 ` Wu Fengguang
2009-08-31 13:24 ` Fernando Silveira
2009-08-31 14:00 ` Wu Fengguang
2009-08-31 14:01 ` Wu Fengguang
2009-08-31 14:07 ` Wu Fengguang
2009-08-31 14:33 ` Fernando Silveira
2009-09-01 8:14 ` Wu Fengguang
[not found] ` <6afc6d4a0909010710l2cf77fbbmb1ab192ed12a7efc@mail.gmail.com>
2009-09-02 3:05 ` Wu Fengguang
[not found] ` <6afc6d4a0909020429l2bfecee9xd00527fcaa323751@mail.gmail.com>
[not found] ` <20090902125057.GA7982@localhost>
[not found] ` <6afc6d4a0909031346qda0b17coe4c60250fcac827f@mail.gmail.com>
2009-09-04 2:21 ` Wu Fengguang
2009-09-04 2:34 ` Wu Fengguang
[not found] <cWOyL-3Ys-15@gated-at.bofh.it>
2009-08-31 21:57 ` Daniel J Blueman
2009-09-01 14:33 ` Fernando Silveira
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