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SubjectRe: Linux 2.4.5-ac9
On Wed, 6 Jun 2001 13:20:41 -0400, Tom Sightler <> wrote:
>> 2.4.5-ac9
>> o Fix xircom_cb problems with some cisco kit (Ion Badulescu)
> I'm not sure what this is supposed to fix, but it makes my Xircom
> RBEM56G-100 almost useless on my network at the office. Actually, I can't
> quite blame just this patch, it only makes the problem worse, the driver
> from 2.4.5-ac3 worked, but with 1 second ping times, the new driver barely
> works at all, it seems to think the link is not there, at least not enough
> to pull an IP address.

The patch does only one thing: it instructs the card not to negotiate
full-duplex modes, because (for undocumented and yet unexplained reasons)
full-duplex modes don't work well on this card.

If you had problems before, then their cause is most likely elsewhere.
1-second ping time is definitely wrong.

> The last driver that worked moderately well for me was the one from
> 2.4.4-ac11, it still had a few issues, mostly when resuming, but everything
> worked at home on my 10Mb hub, and at the office on my 10/100Mb FD Cisco
> 6509. I must admist that I haven't tested every version in between.

The thing is, I don't really see any significant differences between the
2.4.4-ac11 driver and the 2.4.5-ac9 driver. I see lots of clean-ups, some
power management stuff, and the half-duplex stuff. None of them should
affect the core functionality directly..

Please do me a favor: comment out the call to set_half_duplex() (in
xircom_up), recompile and see if it makes a difference.

> One other note, the version in 2.4.4-ac11 is listed as 1.33 while the
> version in 2.4.5-ac9 is 1.11, why did we go backwards? Were there
> significant problems with the newer version? The 1.33 sure seems to work
> better for me.

The CVS version is almost irrelevant, I guess Arjan simply rebuild his


It is better to keep your mouth shut and be thought a fool,
than to open it and remove all doubt.
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