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Date:	Sun, 9 Dec 2007 01:05:54 +0100
From:	Adrian Bunk <>
To:	Mike Houston <>
Subject: Re: 2.6.24-rc4 hwmon it87 probe fails

On Tue, Dec 04, 2007 at 09:51:54PM -0500, Mike Houston wrote:
> I finally got around to testing Linux 2.6.24 (2.6.24-rc4) and found
> that the it87 driver fails to probe and consequently, my sensors no
> longer work. This was fine with Linux (the last kernel I was
> using)
> The necessary modules load, but:
> it87: Found IT8718F chip at 0x290, revision 2
> it87: in3 is VCC (+5V)
> it87 it87.656: Failed to request region 0x290-0x297
> it87: probe of it87.656 failed with error -16
> Coretemp still works.
> It appears it has something to do with the ioport range being
> reserved for some reason:
> system 00:01: ioport range 0x290-0x29f has been reserved
> At least I don't see that happening on previous kernels.
> In any case, the changes to it87.c itself don't appear to have caused
> this. (CC'd hwmon maintainer anyways, my apologies if that was
> inappropriate)
> dmesg:
> config:

Thanks for your report.

Please also provide:
- dmesg from
- The output of "cat /proc/ioports" for both kernels

> Thanks for any help or suggestions,
> Mike Houston



       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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