5.3-BETA5 panics when inserting dc0 carbus card (only with ACPI enabled) enabled)

[Johan Karlsson]

On Thu, Sep 23, 2004 at 00:33 (-0600), M. Warner Losh wrote:
> In message: <20040923062435.GA51381 at numeri.campus.luth.se>
>             Johan Karlsson <johan at freebsd.org> writes:
> : On Thu, Sep 23, 2004 at 00:03 (-0600), M. Warner Losh wrote:
> : > In message: <20040923060012.GE18509 at numeri.campus.luth.se>
> : >             Johan Karlsson <johan at freebsd.org> writes:
> : > : On Wed, Sep 22, 2004 at 17:21 (-0600), M. Warner Losh wrote:
> : > : > Is there a pci bridge involved?  It is a well known problem for
> : > : > cardbus systems that if there isn't, you get mappings like this.
> : > : 
> : > : In the dmesg output:
> : > : cbb0: <TI1450 PCI-CardBus Bridge> mem 0x50000000-0x50000fff irq 11 at device 2.0 on pci0
> : > : cbb0: Reserved 0x1000 bytes for rid 0x10 type 3 at 0x50000000
> : > : cardbus0: <CardBus bus> on cbb0
> : > : 
> : > : If I understand this correctly it should use the PIC-Cardbus bridge.
> : > : Is there anythng you want me to try?
> : > 
> : > I think you misunderstand me.  I'm saying that there's a bug in
> : > FreeBSD, not that there's anything wrong with your hardware.
> : 
> : I understand that, I was just trying to say that from the dmesg
> : output it seems like it is using the PCI-Cardbus bridge. If I read
> : your statement above correctly then that should not be the problem.
> 
> Ah.  What I was trying to say was that I know of a bug that will be
> triggered when the pci-cardbus bridge is attached directly to a bus
> that is attached to the host bridge (eg pci0).  In your case, that
> seems to be exactly what's happening.

Ok, thanks for the clarifications. Please, let me know if/when there is 
anything that needs testing. Unfortunatly I'm no kernel wisard but I'll 
be happy to try anything.

/Johan K

-- 
Johan Karlsson		mailto:johan at FreeBSD.org