From: Daniel Drake <dsd@gentoo.org>
To: Jon Mason <jdmason@us.ibm.com>
Cc: mulix@mulix.org, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz
Subject: pcnet32 devices with incorrect trident vendor ID
Date: Thu, 12 Jan 2006 20:49:42 +0000 [thread overview]
Message-ID: <43C6C0E6.7030705@gentoo.org> (raw)
In-Reply-To: <20060112175051.GA17539@us.ibm.com>
Jon Mason wrote:
> Some pcnet32 hardware erroneously has the Vendor ID for Trident. The
> pcnet32 driver looks for the PCI ethernet class before grabbing the
> hardware, but the current trident driver does not check against the
> PCI audio class. This allows the trident driver to claim the pcnet32
> hardware. This patch prevents that.
On the subject of pcnet32 and the invalid vendor ID, you may find this
interesting:
http://forums.gentoo.org/viewtopic-t-420013-highlight-trident.html
The user saw the correct vendor ID (AMD) in 2.4, but when upgrading to
2.6, it changed to Trident.
I guess this is still likely to be a hardware bug, but it demonstrates
that the Linux PCI layer has something to do with it (even if it is just
triggering it somehow).
Daniel
next prev parent reply other threads:[~2006-01-12 20:49 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-12 17:50 [PATCH] Prevent trident driver from grabbing pcnet32 hardware Jon Mason
2006-01-12 19:28 ` Jiri Slaby
2006-01-12 19:34 ` Jiri Slaby
2006-01-12 20:07 ` Muli Ben-Yehuda
2006-01-12 21:15 ` Lee Revell
2006-01-12 21:58 ` Adrian Bunk
2006-01-12 22:06 ` Lee Revell
2006-01-12 22:11 ` Jon Mason
2006-01-12 22:46 ` Adrian Bunk
2006-01-12 21:47 ` Jon Mason
2006-01-12 22:00 ` Adrian Bunk
2006-01-12 22:09 ` Jan Engelhardt
2006-01-12 22:20 ` Jon Mason
2006-01-12 22:42 ` Lee Revell
2006-01-12 22:52 ` Adrian Bunk
2006-01-12 22:55 ` Lee Revell
2006-01-13 10:16 ` Alan Cox
2006-01-12 23:32 ` Old hardware (was Re: [PATCH] Prevent trident driver from grabbing pcnet32 hardware) Lee Revell
2006-01-12 23:52 ` Bob Copeland
2006-01-13 10:28 ` [PATCH] Prevent trident driver from grabbing pcnet32 hardware Alan Cox
2006-01-13 17:55 ` Lee Revell
2006-01-13 11:37 ` Muli Ben-Yehuda
2006-01-13 12:23 ` Adrian Bunk
2006-01-13 12:32 ` Muli Ben-Yehuda
2006-01-13 15:24 ` Adrian Bunk
2006-01-13 15:36 ` Muli Ben-Yehuda
2006-01-12 22:08 ` Jon Mason
2006-01-12 20:49 ` Daniel Drake [this message]
2006-01-12 20:57 ` pcnet32 devices with incorrect trident vendor ID Matthew Wilcox
2006-01-12 21:03 ` Daniel Drake
2006-01-12 21:05 ` Matthew Wilcox
2006-01-12 21:22 ` Bill Nottingham
2006-01-12 21:24 ` Bill Nottingham
2006-01-12 22:23 ` Don Fry
2006-01-12 22:33 ` Jon Mason
2006-01-12 21:05 ` Lennart Sorensen
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