Messages in this thread | | | Subject | Re: [PATCH] hwmon: (coretemp) remove duplicated coretemp for same core id | From | Guenter Roeck <> | Date | Wed, 18 Oct 2017 06:14:39 -0700 |
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On 10/17/2017 08:21 PM, Shu Wang wrote: >> From: "Guenter Roeck" <linux@roeck-us.net> >> To: shuwang@redhat.com >> Cc: "fenghua yu" <fenghua.yu@intel.com>, jdelvare@suse.com, linux-hwmon@vger.kernel.org, >> linux-kernel@vger.kernel.org, chuhu@redhat.com, yizhan@redhat.com >> Sent: Tuesday, October 17, 2017 11:25:50 PM >> Subject: Re: [PATCH] hwmon: (coretemp) remove duplicated coretemp for same core id >> >> On Tue, Oct 17, 2017 at 04:44:50PM +0800, shuwang@redhat.com wrote: >>> From: Shu Wang <shuwang@redhat.com> >>> >>> Fix kernel warning on my 4cpus 2core_id system. The cpu0 and cpu1 have >>> same core_id 0, so both cpu0 and cpu1 will try to create file temp2_label >>> when it's online. >>> >> What system/cpu is that ? >> >> Normally I would assume that each CPU (package) instantiates >> a separate instance of the driver. > > The system is ThinkPad X1 Carbon 3rd laptop, model 20BTS1N70F. > >> >>> - coretemp_cpu_online(cpu=0) >>> - create_core_data(cpu=0, attr_no=2) >>> - create_core_attrs(attr_no=2) >>> - coretemp_cpu_online(cpu=1) >>> - create_core_data(cpu=1, attr_no=2) >>> - create_core_attrs(attr_no=2) >>> >>> $ grep -e processor -e 'core id' /proc/cpuinfo >>> processor : 0 >>> core id : 0 >>> processor : 1 >>> core id : 0 >>> processor : 2 >>> core id : 1 >>> processor : 3 >>> core id : 1 >> >> Complete output of /proc/cpuinfo might be helpful. > > $ cat /proc/cpuinfo > processor : 0 > vendor_id : GenuineIntel > cpu family : 6 > model : 61 > model name : Intel(R) Core(TM) i7-5600U CPU @ 2.60GHz
This is a hyperthreading CPU, which should already be handled, and the problem would affect pretty much everyone. I'll have to look into this more closely. Is this with the ToT kernel ?
Guenter
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