I/O Memory Mapping failed

[Markus Partheymueller]

Hi Christian,

the only thing verbose logging added was this line:

[init -> acpi] Acpi_table::Acpi_table():RSDP 2a020

Does this help?

Greets

Markus

On 23 July 2012 11:18, Christian Helmuth
<christian.helmuth at ...1...> wrote:
> Hello Markus,
>
> On Mon, Jul 23, 2012 at 10:54:22AM +0200, Markus Partheymueller wrote:
>> What seems odd is that the range requested by the PCI driver (at least
>> that would be my guess) lies partly in descriptor 11 (which is marked
>> as not available in the HIP) and partly in descriptor 12 (which is
>> available physical memory).
>>
>> Any ideas what could be the problem here?
>
> That looks strange. For clarification: It's the acpi_drv requesting
> that memory region (the PCI driver uses port I/O only).
>
> It would be a good start to enable verbose logging in the driver
> (os/src/drivers/acpi/acpi.cc:27) and examine the methods
> Acpi_table::_search_rsdp() and Acpi_table::_rsdp(). One of those ACPI
> table mappings fails.
>
> Greets
> --
> Christian Helmuth
> Genode Labs
>
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