From: ebiederm@xmission.com (Eric W. Biederman)
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: 17 Oct 2002 03:35:12 -0600 [thread overview]
Message-ID: <m1vg411k8f.fsf@frodo.biederman.org> (raw)
In-Reply-To: <C0D45ABB3F45D5118BBC00508BC292DB9D4264@imgserv04>
James Finnie <jf1@IMERGE.co.uk> writes:
> 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.
>
> Here is a patch that does some basic sanity checking. If the drive has an
> lba_capacity_2==0, and has the bit set claiming to be LBA-48, it ignores
> this claim.
>
There are also a set of bits that reports which revs of the ATA standard
a drive complies with. Should we check that one as well?
Eric
next prev parent reply other threads:[~2002-10-17 9:31 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 [this message]
2002-10-17 10:26 ` Andries Brouwer
2002-10-17 10:02 James Finnie
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