Date: Thu, 23 Sep 2004 00:33:30 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: johan@freebsd.org Cc: nate@root.org Subject: Re: 5.3-BETA5 panics when inserting dc0 carbus card (only with ACPI enabled) enabled) Message-ID: <20040923.003330.43007333.imp@bsdimp.com> In-Reply-To: <20040923062435.GA51381@numeri.campus.luth.se> References: <20040923060012.GE18509@numeri.campus.luth.se> <20040923.000321.78709228.imp@bsdimp.com> <20040923062435.GA51381@numeri.campus.luth.se>
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In message: <20040923062435.GA51381@numeri.campus.luth.se>
Johan Karlsson <johan@freebsd.org> writes:
: On Thu, Sep 23, 2004 at 00:03 (-0600), M. Warner Losh wrote:
: > In message: <20040923060012.GE18509@numeri.campus.luth.se>
: > Johan Karlsson <johan@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.
Warner
help
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