From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt To: Stefan Jeglinski , Subject: Re: ethtool failure with tulip 21143 Date: Mon, 17 Dec 2001 00:38:53 +0100 Message-Id: <20011216233853.23752@smtp.wanadoo.fr> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: >A long time ago (2.2.13 or so), I could not use another card on the >6500 for very long with the de4x5 driver as well. At that time, Paul >provided a patch for the de4x5 driver which fixed the problem. He >also described the issue as a cache coherency problem. Yes, paul's patch is what I'm talking about. >Well, I wonder if that was the fix that Paul put in. Some time ago >(early 2.4) I tried the de4x5 driver with this Farallon 10/100 card >but it worked even more poorly than the tulip driver of that time did. Yup. > >>Try defining CACHE_ALIGN to CAL_32LONG, and DESC_ALIGN to u32 dummy[4] >>(as in the commented out example). > >I will look at the de4x5 code again and try this. It's all vaguely >familiar to me... Thanks much! That should be the same patch paul did. Ben. ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/