Re: Sensors shows only 8 of 10 cores on 4-Socket Intel(R) Xeon(R) CPU E7- 4850 machine

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Hi Jean,

thanks for the great support and fast responses. I'm really amazed.

Best regards,
Andreas

2014/1/14 Jean Delvare <khali@xxxxxxxxxxxx>:
> Hi Andreas,
>
> On Tue, 14 Jan 2014 15:09:36 +0100, Andreas Hollmann wrote:
>> Thanks for your quick response.
>>
>>
>> Here is the requested output and if there is anything missing I willy reply as
>> quick as possible.
>>
>> [hollmann@inwest ~]$ ls -l /sys/devices/platform/coretemp.0
>> total 0
>> lrwxrwxrwx 1 root root    0 Jan 14 15:05 driver -> ../../../bus/platform/drivers/coretemp
>> drwxr-xr-x 3 root root    0 Jan 10 18:51 hwmon
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 modalias
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 name
>> drwxr-xr-x 2 root root    0 Jan 14 11:54 power
>> lrwxrwxrwx 1 root root    0 Jan 10 18:51 subsystem -> ../../../bus/platform
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp10_crit
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp10_crit_alar
>
> We have a first bug here, apparently some buffer isn't large enough so
> the dynamic attribute name doesn't fit. The (trivial) fix is in the
> coretemp kernel driver, I'll send a patch in a minute.
>
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp10_input
>> -r--r--r-- 1 root root 4096 Jan 13 15:42 temp10_label
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp10_max
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp11_crit
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp11_crit_alar
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp11_input
>> -r--r--r-- 1 root root 4096 Jan 13 15:42 temp11_label
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp11_max
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp18_crit
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp18_crit_alar
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp18_input
>> -r--r--r-- 1 root root 4096 Jan 13 15:42 temp18_label
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp18_max
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp19_crit
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp19_crit_alar
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp19_input
>> -r--r--r-- 1 root root 4096 Jan 13 15:42 temp19_label
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp19_max
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp20_crit
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp20_crit_alar
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp20_input
>> -r--r--r-- 1 root root 4096 Jan 13 15:42 temp20_label
>> -r--r--r-- 1 root root 4096 Jan 10 18:51 temp20_max
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp26_crit
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp26_crit_alar
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp26_input
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp26_label
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp26_max
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp27_crit
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp27_crit_alar
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp27_input
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp27_label
>> -r--r--r-- 1 root root 4096 Jan 14 14:43 temp27_max
>
> Here's the second issue, these indexes are too high for libsensors,
> which stops at temp23. We can raise the limit to cover this case (and
> I'll probably do that as an immediate fix) but in the long run it would
> be great to have it computed dynamically at run-time so that the
> problem doesn't ever happen again.
>
> Fixes are coming, stay tuned.
>
> --
> Jean Delvare
> http://jdelvare.nerim.net/wishlist.html

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