From: Tejun Heo <htejun@gmail.com>
To: Bruce Stenning <b.stenning@indigovision.com>
Cc: Mark Lord <kernel@teksavvy.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>
Subject: Re: sata_mv port lockup on hotplug (kernel 2.6.38.2)
Date: Mon, 25 Apr 2011 13:30:36 +0200 [thread overview]
Message-ID: <20110425113036.GL17734@mtj.dyndns.org> (raw)
In-Reply-To: <C1438B59050E1B4C9482FF3266AD6BA32C7755494A@gretna.indigovision.com>
On Mon, Apr 25, 2011 at 12:07:04PM +0100, Bruce Stenning wrote:
> Tejun, what does it mean to limit a sata link to UDMA/100? I thought that this
> was only for ata devices, and sata devices have the choice of 1.5Gbps, 3Gbps,
> or 6 Gbps. Is that a false assumption? Is it related to early sata devices that
> were still somewhat based on parallel ata designs?
Yeap, devices behind SATA-PATA bridge were still affected by the
transfer mode so libata tries to slow them down too along with link
speed when limiting speed due to errors. Shouldn't affect native SATA
devices.
--
tejun
next prev parent reply other threads:[~2011-04-25 11:30 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <C1438B59050E1B4C9482FF3266AD6BA32C7493557A@gretna.indigovision.com>
[not found] ` <C1438B59050E1B4C9482FF3266AD6BA32C7493559F@gretna.indigovision.com>
2011-04-06 21:00 ` sata_mv port lockup on hotplug (kernel 2.6.38.2) Alejandro Riveira Fernández
[not found] ` <4D9CD275.9000002@teksavvy.com>
2011-04-08 12:43 ` Bruce Stenning
2011-04-09 0:48 ` Mark Lord
2011-04-12 10:30 ` Bruce Stenning
2011-04-12 14:07 ` Mark Lord
2011-04-12 14:55 ` Mark Lord
2011-04-23 0:56 ` Tejun Heo
2011-04-25 11:07 ` Bruce Stenning
2011-04-25 11:30 ` Tejun Heo [this message]
2011-04-26 18:27 ` Mark Lord
2011-04-25 14:54 ` Bruce Stenning
2011-04-25 16:22 ` Tejun Heo
2011-04-26 13:13 ` Bruce Stenning
2011-04-26 13:50 ` Tejun Heo
2011-04-26 15:41 ` Bruce Stenning
2011-04-26 15:52 ` Tejun Heo
2011-04-26 16:05 ` Bruce Stenning
2011-04-30 14:01 ` Tejun Heo
2011-05-17 15:30 ` Bruce Stenning
2011-05-25 9:41 ` Tejun Heo
2011-05-25 13:36 ` Bruce Stenning
2011-05-25 22:27 ` Mark Lord
2011-05-30 13:07 ` Bruce Stenning
2011-05-31 2:04 ` Mark Lord
2011-06-10 12:28 ` Mark Lord
2011-06-10 14:01 ` Tejun Heo
2011-06-10 17:32 ` Mark Lord
2011-06-10 17:39 ` Jeff Garzik
2011-06-10 20:49 ` Mark Lord
2011-06-10 21:20 ` Jeff Garzik
2011-06-11 12:19 ` Tejun Heo
2011-06-12 17:10 ` Mark Lord
2011-06-13 10:48 ` Tejun Heo
2011-08-29 15:49 ` Bruce Stenning
2011-09-02 1:13 ` Tejun Heo
2011-09-02 16:22 ` Bruce Stenning
2011-09-06 3:45 ` Tejun Heo
2011-09-06 12:19 ` Bruce Stenning
2011-09-06 16:33 ` Tejun Heo
2011-09-06 16:42 ` Tejun Heo
2011-09-07 12:09 ` Bruce Stenning
2011-09-08 1:16 ` Tejun Heo
2011-09-06 12:26 ` Bruce Stenning
2011-09-06 14:40 ` Bruce Stenning
2011-09-06 15:22 ` Bruce Stenning
2011-04-26 18:37 ` Mark Lord
2011-04-13 15:10 ` Mark Lord
2011-04-13 16:13 ` Bruce Stenning
2011-04-14 16:50 ` Bruce Stenning
2011-04-15 0:28 ` Mark Lord
2011-04-15 13:21 ` Bruce Stenning
2011-04-15 15:36 ` Mark Lord
2011-04-18 10:30 ` Bruce Stenning
2011-04-23 0:56 ` Tejun Heo
2011-04-15 3:15 ` Mikael Abrahamsson
2011-04-15 3:32 ` Mark Lord
2011-04-15 7:43 ` Mikael Abrahamsson
2011-04-15 12:35 ` Mark Lord
2011-04-15 14:04 ` Mikael Abrahamsson
2011-04-15 15:30 ` Mark Lord
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