[lm-sensors] IT8772E Test

[lm-sensors] IT8772E Test

[James Webb]

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?

Willing to keep testing if given some clues.

Jim W.


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Re: [lm-sensors] IT8772E Test

[Guenter Roeck]

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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Re: [lm-sensors] IT8772E Test

[James Webb]

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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?





On Wed, Apr 3, 2013 at 8:52 PM, Guenter Roeck <linux@roeck-us.net> 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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Re: [lm-sensors] IT8772E Test

[Guenter Roeck]

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@roeck-us.net> 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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