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Re: Kernel 2.4.23 on Cobalt Qube2

To: Kumba <>
Subject: Re: Kernel 2.4.23 on Cobalt Qube2
From: Geert Uytterhoeven <>
Date: Wed, 10 Dec 2003 10:41:37 +0100 (MET)
Cc: Linux/MIPS Development <>
In-reply-to: <>
Original-recipient: rfc822;
On Tue, 9 Dec 2003, Kumba wrote:
> Rainer Canavan wrote:
> > I haven't tried my Qube2 yet, since that one's already wrapped up and
> > ready for Karsten Merker to pick up - he's going to send it to the 
> > Tulip Expert, so those problems may go away soon, hopefully. As to 
> > kernel versions starting about 2.4.17, I've never had the tulip driver
> > running reliably on my Qube2, but always got at least 2.4.18 and later 
> > working properly on my nasRaq (there was some patching involved at times, 
> > if I recall correctly).
> Are these patches lying around someplace by chance?  I've used the 
> patches on Paul Martin's site (which enables detection of the cobalt's 
> "modified" tulip), as well as a patch from Karsten which fixed serial 
> console and also enabled the tulip driver.  Both of those patches don't 
> seem to fix the tulip's issue of halting though, so either I have broken 
> hardware, or I've done something unique in my setup that triggers the issue.

This `tulip halting', is it `transmit timed out', following by the chip being
thrown in 10-base2 mode and not recovering until ifconfig down/up?

I see that one on my PPC box, and I do have a fix. It's not perfect, but the
box now recovers within 3 minutes, instead of needing manual intervention.



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                                            -- Linus Torvalds

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