On 08/25/2013 01:59 PM, Jean Delvare wrote:
> Hi Rafael,
>
> Thanks for the quick reply.
>
> On Sun, 25 Aug 2013 03:54:08 +0200, Rafael J. Wysocki wrote:
>> On 8/24/2013 11:19 PM, Jean Delvare wrote:
>>> Bisection pointed to:
>>>
>>> commit ac212b6980d8d5eda705864fc5a8ecddc6d6eacc
>>> Author: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>>> Date: Fri May 3 00:26:22 2013 +0200
>>>
>>> ACPI / processor: Use common hotplug infrastructure
>>>
>>> Rafael, any hint as to why the auto-loading of driver coretemp would be
>>> broken by the aforementioned commit?
>>
>> Essentially, that is a udev issue.
>>
>> There is a line like this in the udev rules:
>>
>> DRIVER!="?*", ENV{MODALIAS}=="?*", IMPORT{builtin}="kmod load
>> $env{MODALIAS}"
>>
>> which causes modalias to be matched only for devices that have no
>> drivers (usually, that line is located in the 80-drivers.rules file
>> under /lib/udev/rules.d/ or /usr/lib/udev/rules.d/). After the commit
>> above the CPU devices have a driver and the modalias matching is not
>> used for them, unfortunately.
>>
>> The easiest way to fix this is to remove the driver check from that line
>> so that it looks like this:
>>
>> ENV{MODALIAS}=="?*", IMPORT{builtin}="kmod load $env{MODALIAS}"
>>
>> That change has been made in the upstream udev already as far as I can
>> say, so it should propagate through updates.
>
> Indeed it is:
> http://cgit.freedesktop.org/systemd/systemd/commit?id=bf7f800f2b3e93ccd1229d4717166f3a4d3af72f
>
> I can confirm that this solved my issue. Toralf, please give it a try.
> If you don't want to touch udev rules files under /lib or /usr/lib, you
> can copy 80-drivers.rules to /etc/udev/rules.d and edit it there.
>
Well -I'm a Gentoo Linuxer - therefore of course I do change system
files directly ;)
And - yes, it helps - thx
> I'll try to get this change integrated into openSUSE 12.3.
>
> Thanks,
>
--
MfG/Sincerely
Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
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