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Message-ID: <6afc6d4a0908281448s537aa315jcb79b27453cf4279@mail.gmail.com> Date: Fri, 28 Aug 2009 18:48:40 -0300 From: Fernando Silveira <fsilveira@...il.com> To: Wu Fengguang <fengguang.wu@...el.com> Cc: linux-kernel@...r.kernel.org Subject: Re: I/O and pdflush On Sun, Jul 12, 2009 at 05:04, Wu Fengguang<fengguang.wu@...el.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@...il.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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