From: Andries Brouwer <aebr@win.tue.nl>
To: James Finnie <jf1@imerge.co.uk>
Cc: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>,
"'andre@linux-ide.org'" <andre@linux-ide.org>
Subject: Re: [PATCH]: Sanity checking for drives that claim to be LBA-48, but aren't!
Date: Thu, 17 Oct 2002 12:26:14 +0200 [thread overview]
Message-ID: <20021017102614.GA24939@win.tue.nl> (raw)
In-Reply-To: <C0D45ABB3F45D5118BBC00508BC292DB9D4264@imgserv04>
On Thu, Oct 17, 2002 at 10:02:00AM +0100, James Finnie wrote:
> Upon investigation of this with Seagate, it turns out that the firmware
> version in question is for CE (consumer electronics) use. They have used
> bit 10 of word 86 (0x56) of the IDENTIFY DEVICE information to indicate some
> feature in their "AV streaming data transfer set". This breaks ATA-7, which
> says this bit indicates that the drive understands LBA-48 commands.
>
> The kernel sees this bit set, tries to use LBA-48 commands, and the drive
> errors, complaining that it doesn't understand! Meaning this drive is
> unusable with the >=2.4.19 kernels. I think at least one other person has
> reported something very similar, IIRC with a very old Maxtor IDE drive.
Could you post the identify data for your disks? (cat /proc/ide/*/identify)
Andries
next prev parent reply other threads:[~2002-10-17 10:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-17 9:02 James Finnie
2002-10-17 9:35 ` Eric W. Biederman
2002-10-17 10:26 ` Andries Brouwer [this message]
2002-10-17 10:02 James Finnie
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