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Date: Mon, 15 Oct 2007 01:53:50 +0200
From: Kris Kennaway <kris@FreeBSD.org>
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To: Hiroki Sato <hrs@FreeBSD.org>
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Cc: scottl@FreeBSD.org, current@FreeBSD.org
Subject: Re: panic in 8-CURRENT
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Hiroki Sato wrote:
> Kris Kennaway <kris@freebsd.org> wrote
>   in <4712A4A8.7080503@FreeBSD.org>:
> 
> kr> Hiroki Sato wrote:
> kr> > Kris Kennaway <kris@FreeBSD.org> wrote
> kr> >   in <47128CEC.3020200@FreeBSD.org>:
> kr> >
> kr> > kr> Hiroki Sato wrote:
> kr> > kr> > WARNING: WITNESS option enabled, expect reduced performance.
> kr> > kr> > Trying to mount root from ufs:/dev/ad4s1a
> kr> > kr>
> kr> > kr> Are you mounting root over bge?
> kr> >
> kr> >  No, simply using ad4s1a(ufs) as the,rootfs
> kr>
> kr> Er yes, now I see you said that :)  Is bge in use though?  I ask because
> kr> the symptoms are identical to a problem I have seen for most of the year
> kr> that turned out to be caused by bge and fixed by a patch from scottl.
> 
>  Ah, yes, the box has bge and it is enabled:
> 
> brgphy0: <BCM5750 10/100/1000baseTX PHY> PHY 1 on miibus0
> brgphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
> bge0: Ethernet address: XX:XX:XX:XX:XX:XX
> bge0: [ITHREAD]
> 
>  Any patches I can try?  I am not sure this panic occurred with the
>  old kernel (I updated it from Oct 4's one to Oct 15's), but IIRC the
>  old one should have worked fine.  I will double-check it anyway.

Perhaps Scott can send you (and me) his latest patch (the one I have is 
from several months ago).  I'd like to see it committed for 7.0.

Kris