Re: I/O Memory Mapping failed

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