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Date:      Fri, 12 Jun 2009 10:47:41 -0700
From:      "David Christensen" <davidch@broadcom.com>
To:        "John Baldwin" <jhb@freebsd.org>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>
Cc:        Craig Rodrigues <rodrigc@crodrigues.org>
Subject:   RE: Broadcom NIC not recognized by FreeBSD?
Message-ID:  <5D267A3F22FD854F8F48B3D2B523819339EBCC7074@IRVEXCHCCR01.corp.ad.broadcom.com>
In-Reply-To: <200906120838.06973.jhb@freebsd.org>
References:  <20090610174211.GA78796@crodrigues.org> <5D267A3F22FD854F8F48B3D2B523819339EBA5F118@IRVEXCHCCR01.corp.ad.broadcom.com> <20090612040939.GA293@crodrigues.org> <200906120838.06973.jhb@freebsd.org>

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> > > The bge driver recognizes the controller but fails to get the 
> > > adapter's BAR memory mapped by the OS.  Since it's only 
> requesting 
> > > 64KB it sounds like an OS issue.  If you remove any other PCI 
> > > devices in the system does the bge driver load?
> > 
> > I cannot remove any devices from the system.
> > The problem is occurring on an Acer Aspire 5920 laptop with no 
> > external devices plugged into it.
> 
> You can try disabling ACPI.  On some machines ACPI 
> initialization inexpicably clears the I/O windows in certain 
> PCI-PCI bridges and FreeBSD does not cope well with this case.

Does that apply to memory windows too?  The device doesn't support
legacy I/O, only memory mapped registers.

Dave


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