Date: Thu, 23 Sep 2004 01:05:18 -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: <20040923.010518.62348976.imp@bsdimp.com> In-Reply-To: <20040923065458.GA51802@numeri.campus.luth.se> References: <20040923062435.GA51381@numeri.campus.luth.se> <20040923.003330.43007333.imp@bsdimp.com> <20040923065458.GA51802@numeri.campus.luth.se>
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In message: <20040923065458.GA51802@numeri.campus.luth.se>
Johan Karlsson <johan@freebsd.org> writes:
: On Thu, Sep 23, 2004 at 00:33 (-0600), M. Warner Losh wrote:
: > 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.
:
: 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.
Well, I'll be putting some brats on the grill tomorrow night and
having a few cold ones if you wanted to bring the laptop over :-)
Sadly, I suspect that you'll tell me that the drive is a little far on
such short notice :-(
Warner
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