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Date:      Sun, 18 Jun 2000 20:29:44 -0400
From:      "Sean O'Connell" <sean@stat.Duke.EDU>
To:        FreeBSD mobile <freebsd-mobile@FreeBSD.ORG>
Cc:        imp@village.org
Subject:   Re: 4.0-RELEASE, Netgear FA410TXC, device timeout
Message-ID:  <20000618202944.F9791@stat.Duke.EDU>
In-Reply-To: <20000618164044.A9791@stat.Duke.EDU>; from sean@stat.Duke.EDU on Sun, Jun 18, 2000 at 04:40:44PM -0400
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> <20000618164044.A9791@stat.Duke.EDU>

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Sean O'Connell stated:
> 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).

Hi-

As a follow-up, I applied the patch to if_ed.c (oops, hadn't looked
at cvs-all before earlier email).  This does allow both my Linksys
EC2T card and the Linksys 10/100 (not mine) to be probed/attached
by the same kernel; however, the same performance problems were
experienced.

scp of a 17168KB file took 00:46 (accrding to ouput) with my
old card, but it was claiming an ETA of 34:36 ... eek.  this is
all on a 10Mb hub.

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


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