Re: [2.6.18-git] Lost all PCI devices

From: Andi Kleen
Date: Sat Sep 30 2006 - 18:13:34 EST

> "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]
> 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.

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