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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)?

  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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