Re: [PATCH 1/1] EFI iounpam fix for acpi_os_unmap_memory

[Stelian Pop]

Le mardi 21 février 2006 à 22:09 +0100, Andi Kleen a écrit :
> On Tuesday 21 February 2006 21:59, Andrew Morton wrote:

> > OK, thanks.  I don't think we actually know who is trying to unmap some
> > memory which acpi didn't map.
> > 
> > Edgar, can you please describe the bug which you're trying to fix?
> 
> I think the bug is clear - the logic in acpi_os_unmap_memory needs to match 
> what acpi_os_map_memory() does for EFI. In particular this means not calling
> iounmap.
> 
> He probably has a EFI system where this caused troubles.

This EFI system is the new Intel Core Duo based Apple iMac (Edgar
described the process of booting Linux on this pretty box at 
http://www.mactel-linux.org/)

In particular, the iounmap problem is visible in the logs at
http://www.mactel-linux.org/wiki/Dmesg

Stelian.
-- 
Stelian Pop <stelian@xxxxxxxxxx>

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