Bug#700544: linux-image-2.6.32-5-amd64: Error in acpi_memory_enable_device on memory hotplug, one memory bank missing

[Bernhard Schmidt <Bernhard.Schmidt@lrz.de>]

Hello Ben,

> This is not memory, it's MMIO (memory-mapped input/output) for the
> emulated VGA card.  The kernel controls the addresses used for MMIO for
> PCI devices, but does not control the addresses used for RAM.
> Apparently the system firmware (or in this case the hypervisor) can
> provide hints through ACPI about what addresses it should use, to avoid
> conflicting with hot-added RAM.  But the kernel version in squeeze
> ignores those hints.
> 
> Does the kernel parameter 'pci=use_crs' avoid this?

That works fine, thanks! Can this somehow be patched in the kernel or
shall we just change our boot parameters?

Bernhard