From: Mark Lord <liml@rtr.ca>
To: Hein-Pieter van Braam <hp@syntomax.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
"Morrison, Tom" <tmorrison@empirix.com>,
IDE/ATA development list <linux-ide@vger.kernel.org>,
Jeff Garzik <jgarzik@pobox.com>, Tejun Heo <htejun@gmail.com>,
Alan Cox <alan@redhat.com>
Subject: Re: [PATCH] sata_mv: Fix broken Marvell 7042 support.
Date: Mon, 03 Dec 2007 19:07:02 -0500 [thread overview]
Message-ID: <47549A26.6080900@rtr.ca> (raw)
In-Reply-To: <1196726490.6362.21.camel@liza>
Hein-Pieter van Braam wrote:
>
> I did some testing:
> First I zero'd the first 80 meg of the md device, then read it back and
> compared, still all zero's. Then I rebooted and compared again, still
> all zero's
>
> Then I got 8MB of stuff from /dev/urandom, wrote it to a file then wrote
> it to md device, read it back into a separate file, they still matched.
> I rebooted and read it back for a third time, and they still matched.
>
> I'm not sure if this means anything or not, but I was wondering if my
> assertion of BIOS muckery still made sense
..
I haven't seen any evidence of it here, either,
so long as BIOS "JBOD volumes" are used.
So I don't have any explanation for your data "moving around"
when you switched drivers, unless *their* driver remaps things
at run-time.
Or were you switching drivers across those reboots (likely, I suppose)?
next prev parent reply other threads:[~2007-12-04 0:07 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-01 18:07 [PATCH] sata_mv: Fix broken Marvell 7042 support Mark Lord
2007-12-01 18:16 ` Alan Cox
2007-12-01 22:45 ` Jeff Garzik
2007-12-03 12:27 ` Morrison, Tom
2007-12-03 14:47 ` hp
2007-12-03 14:56 ` Morrison, Tom
2007-12-03 17:26 ` Mark Lord
2007-12-03 18:14 ` Mark Lord
2007-12-03 18:30 ` Jeff Garzik
2007-12-03 18:32 ` Mark Lord
2007-12-03 18:37 ` Morrison, Tom
2007-12-03 18:40 ` Mark Lord
2007-12-03 18:44 ` Mark Lord
2007-12-03 18:42 ` Alan Cox
2007-12-03 19:12 ` Mark Lord
2007-12-03 20:40 ` Mark Lord
2007-12-03 23:59 ` Mark Lord
2007-12-04 0:20 ` [PATCH] sata_mv: Warn about Highpoint RocketRAID BIOS treatment of "Legacy" drives Mark Lord
2007-12-04 19:09 ` Jeff Garzik
2007-12-03 18:30 ` [PATCH] sata_mv: Fix broken Marvell 7042 support Mark Lord
2007-12-03 20:11 ` Hein-Pieter van Braam
2007-12-03 20:24 ` Mark Lord
2007-12-03 20:37 ` Hein-Pieter van Braam
2007-12-03 20:54 ` Mark Lord
2007-12-03 22:28 ` Hein-Pieter van Braam
2007-12-03 23:37 ` Mark Lord
2007-12-03 22:48 ` Hein-Pieter van Braam
2007-12-03 23:10 ` Alan Cox
2007-12-03 23:33 ` Mark Lord
2007-12-03 23:34 ` Alan Cox
2007-12-03 23:47 ` Mark Lord
2007-12-03 23:47 ` Alan Cox
2007-12-04 0:01 ` Hein-Pieter van Braam
2007-12-04 0:07 ` Mark Lord [this message]
2007-12-04 0:17 ` Hein-Pieter van Braam
2007-12-04 0:23 ` Mark Lord
2007-12-04 0:35 ` Hein-Pieter van Braam
2007-12-04 0:36 ` Mark Lord
2007-12-04 23:56 ` Hein-Pieter van Braam
2007-12-05 22:45 ` Mark Lord
2007-12-05 23:22 ` Mark Lord
2007-12-05 23:35 ` Mark Lord
2007-12-05 23:55 ` Mark Lord
2007-12-06 0:02 ` Jeff Garzik
2007-12-06 3:57 ` Mark Lord
2007-12-06 4:45 ` Jeff Garzik
2007-12-06 22:24 ` Mark Lord
2007-12-06 4:03 ` Mark Lord
2007-12-06 4:43 ` Jeff Garzik
2007-12-06 22:23 ` Mark Lord
2007-12-07 2:22 ` Jeff Garzik
2007-12-06 22:32 ` Mark Lord
2007-12-04 19:21 ` Hein-Pieter van Braam
2007-12-04 1:17 ` Mark Lord
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