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FromAndi Kleen <>
SubjectRe: [2.6.18-git] Lost all PCI devices
DateSun, 1 Oct 2006 00:13:01 +0200
> "pci_direct_probe conf*" printk are placed before calling into
> pci_check_type{1,2}, it doesn't call pci_sanity_check so it's the I/O
> check that fails.
> I can do further debugging if you're interested.
No I was just curious. It's strange that your system doesn't work without 
PCI BIOS though. Is it an older laptop? The assumption so far
was that everything modern can do type 1 without problems (except 
one broken Apple system). Apparently that's not universally true.

> ACPI: Access to PCI configuration space unavailable
> ACPI: Interpreter enabled> ACPI: Using PIC for interrupt routing> ------------[ cut here ]------------> Kernel BUG at [verbose debug info unavailable]> invalid opcode: 0000 [#1]> PREEMPT> CPU:    0> EIP:    0060:[<c0233103>]    Not tainted VLI> EFLAGS: 00010246   (2.6.18-g5ffd1a6a-dirty #20)> EIP is at acpi_os_read_pci_configuration+0x4f/0x87

The patch I posted should have fixed that.

Although I think it might be better to do panic() instead of printk.

-Andi
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