Re: Broadcom NIC not recognized by FreeBSD?

From: John Baldwin <jhb_at_freebsd.org>
Date: Fri, 12 Jun 2009 14:45:54 -0400
On Friday 12 June 2009 1:47:41 pm David Christensen wrote:
> > > > 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.

Yes, I meant I/O in a more generic I/O resource sense including both I/O ports 
and memio.

-- 
John Baldwin
Received on Fri Jun 12 2009 - 16:46:03 UTC

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