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To: Roger Hardiman <roger@FreeBSD.org>
Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org,
	brian@Awfulhak.org
Subject: Re: cvs commit: src/sys/pci if_rl.c 
In-Reply-To: Message from Roger Hardiman <roger@FreeBSD.org> 
   of "Fri, 24 Nov 2000 09:36:08 PST." <200011241736.JAA28279@freefall.freebsd.org> 
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Date: Sat, 25 Nov 2000 02:29:47 +0000
From: Brian Somers <brian@Awfulhak.org>
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> roger       2000/11/24 09:36:08 PST
> 
>   Modified files:
>     sys/pci              if_rl.c 
>   Log:
>   Print a warning when we detect a Realtek 8139B chip
>   (identified by the IO map being 256 bytes long instead of 128)
>   
>   This chip works very unreliably on my Lanner embedded PC with the rl driver.
>   Lots of watchdog timeouts or poor performance.
>   
>   Forcing the media type to 10 Meg (ifconfig rl0 media 10baseT/UTP) is a good
>   workaround.
>   
>   This looks very similar to the problem reported in PR kern/18790
>   
>   It is interesting to note that the linux driver has lots of special
>   case code for this chip.

Interesting... I have the exact same problem (lousy performance, 
10baseT/UTP *without* full-duplex makes it good, lots of interrupt 
timeouts) with the vr device:

vr0: <VIA VT3043 Rhine I 10/100BaseTX> port 0xe000-0xe07f mem 0xe7000000-0xe700007f irq 10 at device 18.0 on pci0
vr0: Ethernet address: 00:90:99:16:03:7b
miibus0: <MII bus> on vr0

Same behaviour on both -stable & -current.

>   Revision  Changes    Path
>   1.51      +12 -2     src/sys/pci/if_rl.c

-- 
Brian <brian@Awfulhak.org>                        <brian@[uk.]FreeBSD.org>
      <http://www.Awfulhak.org>                   <brian@[uk.]OpenBSD.org>
Don't _EVER_ lose your sense of humour !




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