On Sun, 17 Feb 2008 23:58:03 -0500 "Brown, Len" <[EMAIL PROTECTED]> wrote:
> >Len: This WARN_ON says that ACPI is trying to call ioremap() > >on memory that the e820_table > >lists as "kernel owned". Do you know why ACPI would do this? > >Would ACPI get upset if > >the kernel would tell it to take a hike? > > Depends on the BIOS -- as it is the BIOS AML that is making this > request. is there any possible valid scenario where the BIOS AML would touch memory the kernel is using? (Since that seems to be what is going on; I'll cook up a diagnostics patch to get more info but the warning gets spewed if ioremap() is trying to map memory the kernel sees as ram) -- If you want to reach me at my work email, use [EMAIL PROTECTED] For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/