Re: IT8772E Test

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On Sat, Apr 06, 2013 at 09:41:05AM -0700, James Webb wrote:
> It's ACPI:
> 
> it87: Found IT8772F chip at 0xa30, revision 0
> ACPI Warning: 0x0000000000000a35-0x0000000000000a36 SystemIO conflicts with
> Region \_SB_.PCI0.SBRG.LBAE 1 (20121018/utaddress-251)
> ACPI: If an ACPI driver is available for this device, you should use it
> instead of the native driver
> 
> No idea what this is. Will running acpid help?
>
See http://hansdegoede.livejournal.com/7932.html for an explanation.

The page describes a workaround, but it may be risky.

Guenter

> 
> On Wed, Apr 3, 2013 at 8:52 PM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
> 
> > On Wed, Apr 03, 2013 at 07:24:07PM -0700, James Webb wrote:
> > > Running a Dell XPS-8300
> > > sensors-detect reports:
> > > Found `ITE IT8772E Super IO Sensors'                        Success!
> > >     (address 0xa30, driver `to-be-written')
> > > Compiled standalone driver but either modprobe it87 or modprobe it87
> > > force_id=0x8721 results in:
> > > FATAL: Error inserting it87
> > > (/lib/modules/3.8.5-gentoo/kernel/drivers/hwmon/it87.ko): Device or
> > > resource busy
> > >
> > > Any suggestions?
> > >
> > Some other device has its io memory space reserved, or the io memory
> > space is reserved by ACPI (which is more likely). In the latter case,
> > you should see an acpi resource conflict message on the console
> > (or with dmesg).  Otherwise, 'cat /proc/ioports' should give you
> > an idea about the offending driver.
> >
> > Guenter
> >

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