Messages in this thread | | | Date | Fri, 28 Jan 2005 09:06:48 -0800 | From | "Randy.Dunlap" <> | Subject | Re: 2.6.10-mm1-V0.7.34-01 ACPI err in dmesg |
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Ingo Molnar wrote: > * Gene Heskett <gene.heskett@verizon.net> wrote: > > >> Normal zone: 225280 pages, LIFO batch:16 >> HighMem zone: 32752 pages, LIFO batch:7 >>DMI 2.2 present. >>__iounmap: bad address c00f0000 <-why? >>ACPI: RSDP (v000 Nvidia ) @ 0x000f7220 > > > I have no idea what is causing this. If it still occurs with recent > kernels then stick a WARN_ON(1) into __iounmap()'s error path, to get a > stack dump? It is almost certainly not related to -RT.
There was a thread a few weeks ago about this same message (afaik). The answer then was something like "the __iounmap() call is happening very early, before the unmap machinery (data/structs) have been set up for it." (but I don't know that first-hand, just repeating close to what I read.)
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