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Date:      Fri, 15 Dec 2006 17:28:00 -0800 (PST)
From:      John Polstra <jdp@polstra.com>
To:        "David O'Brien" <obrien@FreeBSD.org>
Cc:        John Polstra <jdp@FreeBSD.org>, cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/dev/bge if_bge.c
Message-ID:  <XFMail.20061215172800.jdp@polstra.com>
In-Reply-To: <20061215203505.GA55141@dragon.NUXI.org>

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> I wonder if enabling MSI is what killed bge(4) for me.  The booted kernel
> would establish 1000Mbit link, but would see and wouldn't send any
> packets.
> 
> I have a Tyan K8W (s2885) which I experienced this on:
> bge0: <Broadcom BCM5703 A2, ASIC rev. 0x1002> mem 0xfd7e0000-0xfd7effff irq 24 a
> t device 9.0 on pci2
> miibus0: <MII bus> on bge0
> brgphy0: <BCM5703 10/100/1000baseTX PHY> on miibus0
> brgphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX, 1000baseTX-FDX, auto
> bge0: Ethernet address: 00:e0:81:27:a1:b8

I wouldn't be surprised if MSI was the culprit.  I'm pretty sure the
5703 is one of the chips that has MSI-related bugs.  You could try
disabling MSI with the tunables mentioned in UPDATING, if you still
have that short-lived version of the driver.

John



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