From: "Randy.Dunlap" <rddunlap@osdl.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Gene Heskett <gene.heskett@verizon.net>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.10-mm1-V0.7.34-01 ACPI err in dmesg
Date: Fri, 28 Jan 2005 09:06:48 -0800 [thread overview]
Message-ID: <41FA7128.1090604@osdl.org> (raw)
In-Reply-To: <20050128070840.GA1456@elte.hu>
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.)
--
~Randy
prev parent reply other threads:[~2005-01-28 17:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-08 2:56 2.6.10-mm1-V0.7.34-01 ACPI err in dmesg Gene Heskett
2005-01-28 7:08 ` Ingo Molnar
2005-01-28 17:06 ` Randy.Dunlap [this message]
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