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Date:      Sun, 18 Jun 2000 16:40:44 -0400
From:      "Sean O'Connell" <sean@stat.Duke.EDU>
To:        freebsd-mobile@FreeBSD.ORG
Cc:        imp@village.org
Subject:   Re: 4.0-RELEASE, Netgear FA410TXC, device timeout
Message-ID:  <20000618164044.A9791@stat.Duke.EDU>
In-Reply-To: <200006180622.AAA47458@harmony.village.org>; from imp@village.org on Sun, Jun 18, 2000 at 12:22:19AM -0600
References:  <20000617225842.A36405@vobiscum.styx.org> <20000617170915.A1296@vobiscum.styx.org> <200006171835.LAA00874@mass.osd.bsdi.com> <20000617225842.A36405@vobiscum.styx.org> <200006180622.AAA47458@harmony.village.org>

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Warner Losh stated:
> In message <20000617225842.A36405@vobiscum.styx.org> Marc Fonvieille writes:
> : and 'ed0: device timeout' message in the kernel log.
> 
> That's almost always (99%) a case of interrupts not being routed
> correctly.
> 
Warner-

In the case of the Netgear card, if_ed is broken.  I have attempted
to help two people off-line trying to use these cards, and in both
cases, they _never_ worked.  These were on truly free IRQs (usually
irq 3 with COM2 disabled in the BIOS and not even in the kernel config
file).  In both cases, replacing "device ed0 at isa?.." with just
"device ed" really only was a cosmetic fix to change ed1 timeouts to
ed0 timeouts.  These cards just plain do not work as is.

if_ed is also badly broken for the Linksys PCMP100.  I can only get
it to probe with the correct hardware ethernet address after adding
in the hack to make the Linksys test always succeed (of course, this
breaks the detection for my older Linksys E2CT card).  However, the
performance is abyssmal, not akin to a duplex mismatch (either that
or if_ed is dropping beacoup packets).  As a for instance, scp'ing
the netscape tarball usually takes about 20+ seconds on a 10Mbit
hub usinge either the EC2T or a 3Com 3c589D, but with 10/100 Linksys
card I am seeing 2hours being reported by scp (CTRL-C is deployed
long before this).

S
-- 
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Sean O'Connell                                       sean@stat.Duke.EDU


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