From: Martin Michlmayr <tbm@cyrius.com>
To: netdev@vger.kernel.org, linux-mips@linux-mips.org
Subject: Re: [PATCH, RESEND] Add MWI workaround for Tulip DC21143
Date: Mon, 6 Mar 2006 22:51:31 +0000 [thread overview]
Message-ID: <20060306225131.GA23327@unjust.cyrius.com> (raw)
In-Reply-To: <20060218220851.GA1601@colonel-panic.org>
* Peter Horton <pdh@colonel-panic.org> [2006-02-18 22:08]:
> This patch works around the MWI bug on the DC21143 rev 65 Tulip by
> ensuring that the receive buffers don't end on a cache line boundary (as
> documented in the errata).
>
> This patch is required for the MIPs based Cobalt Qube/RaQ as supporting
> the extra PCI commands seems to reduce the chance of a hard lockup
> between the Tulip and the PCI bridge.
Does anyone have comments regarding this patch? I received
confirmation from a number of Debian users that this patch
significantly improves the lockup situation on Cobalt, so
it would be nice if it could go in.
--
Martin Michlmayr
tbm@cyrius.com
next parent reply other threads:[~2006-03-06 22:51 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060129230816.GD4094@colonel-panic.org>
[not found] ` <20060218220851.GA1601@colonel-panic.org>
2006-03-06 22:51 ` Martin Michlmayr [this message]
2006-03-06 23:15 ` [PATCH, RESEND] Add MWI workaround for Tulip DC21143 Francois Romieu
2006-03-07 3:58 ` Ralf Baechle
2006-03-07 9:32 ` Geert Uytterhoeven
2006-03-08 22:41 ` Francois Romieu
2006-03-09 9:37 ` Geert Uytterhoeven
2006-03-09 22:44 ` Francois Romieu
2006-03-27 7:01 ` Martin Michlmayr
2006-03-27 12:39 ` Peter Horton
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