From: Tejun Heo <htejun@gmail.com>
To: idurdanovic@comcast.net
Cc: Jeff Garzik <jeff@garzik.org>, linux-ide@vger.kernel.org
Subject: Re: [PATCH] libata: fix revalidation issuing after configuration commands
Date: Thu, 11 Oct 2007 12:23:27 +0900 [thread overview]
Message-ID: <470D972F.6040601@gmail.com> (raw)
In-Reply-To: <18189.37005.959133.650409@kitty1.shrimp.net>
Igor Durdanovic wrote:
> Hi,
>
> The patch works fine! Reset happens only once per disk and works also
> when disks are missing, which would result in infinite loop before.
> Setting the parameters of a hard-drive works too.
>
> The only thing that is puzzling to me is that I am unable to send more
> than 80MB/s through one Express-Card sata port. I am not sure what the
> problem is, the bus ought to sustain 300MB/s without the problem, is
> this PM limitation (does not seem so from the PR material), or the
> sata card? This makes it impossible to create high-speed RAID.
There are some performance issues with 3124/3132 family controllers.
I'm not sure whether you're hitting it or 3132 is actually affected by
the problem tho. linux-ide ML archive should have some related messages.
--
tejun
next prev parent reply other threads:[~2007-10-11 3:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-10 6:57 [PATCH] libata: fix revalidation issuing after configuration commands Tejun Heo
2007-10-11 2:55 ` Igor Durdanovic
2007-10-11 3:23 ` Tejun Heo [this message]
2007-10-15 19:41 ` Jeff Garzik
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