Re: [lm-sensors] Cannot compile w83627ehf standalone driver

[Phil Perry <phil@elrepo.org>]

On 11/09/13 06:44, singumal wrote:
> Phil Perry <phil@elrepo.org> wrote:
>
>> On 06/09/13 21:22, Jean Delvare wrote:
>>> On Fri, 06 Sep 2013 08:37:43 -0700, singumal wrote:
>>>> I have an ASRock IMB-170 Mini-ITX board; 3.3.4's sensors-detect shows:
>>>>
>>>>     Found `Winbond W83627UHG/NCT6627UD Super IO Sensors'        Success!
>>>>         (address 0x290, driver `w83627ehf')
>>>>
>>>> I'm on an older kernel, and I can't seem to compile the driver
>>>> from:
>>>>
>>>>      http://khali.linux-fr.org/devel/lm-sensors/drivers/w83627ehf/
>>>>
>>>>
>>>> [root@plain1 driver]# uname -a
>>>> Linux plain1 2.6.18-274.el5 #1 SMP Fri Jul 22 04:43:29 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux
>>>> [root@plain1 driver]# make
>>>>     CC [M]  /root/driver/w83627ehf.o
>>>> /root/driver/w83627ehf.c: In function `in_from_reg':
>>>> /root/driver/w83627ehf.c:416: error: implicit declaration of function `DIV_ROUND_CLOSEST'
>>>> ... [many more errors and warnings]
>>>
>>> This driver was never tested for kernels older than 2.6.32. More
>>> compatibility work would be needed to get it to build and work on
>>> kernel 2.6.18.
>>>
>>> I'm wondering if maybe Redhat can provide a backported version as a
>>> separate package? You're probably not the only one asking for this, as
>>> this is a popular driver.
>>>
>>
>> I've already done a backport of the w83627ehf for RHEL5 and RHEL6, and
>> it is packaged as a kABI-tracking kmod RPM package (kmod-w83627ehf) in
>> the elrepo repository.
>>
>> http://elrepo.org/tiki/kmod-w83627ehf
>>
>> This driver is backported from the longterm kernel-3.2.50.
>>
>> Once you have set up the elrepo repository:
>>
>> yum install kmod-w83627ehf
>>
>> will pull in the updated driver.
>>
>> Further, because it's a kABI-tracking package the driver will seamlessly
>> work with new kernels so you will not need to recompile the driver
>> against each new kernel update (an advantage of Red Hat's stable kernel
>> ABI).
>>
>> Regards,
>>
>> Phil
>>
>
> Thank you very much, Phil.
>
> Unfortunately, it doesn't seem to quite like my system,
>
> The RPM installed fine, but "sensors" only shows coretemp, not the chip.
> Finally I checked the module - something isn't right:
>
> [root@tm3 etc]# modprobe w83627ehf
> FATAL: Error inserting w83627ehf (/lib/modules/2.6.18-274.el5/weak-updates/w83627ehf/w83627ehf.ko): No such device
>
>

Hi,

I'm not sure what the problem is. One thing I note is that you are 
running an older RHEL 5.7 kernel. Would it be possible to try booting 
the latest/current RHEL kernel to at least eliminate that as the 
possible cause (i.e, a RHEL 5.9 kernel; kernel-2.6.18-348.16.1.el5 is 
the latest).

Feedback for W83627UHG support was positive and it was reported as 
working here (albeit on RHEL6):

http://elrepo.org/bugs/view.php?id86

Regards,

Phil



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