Getting jedec_dimm to work

[Julian Elischer]

On 11/6/19 3:24 PM, Andriy Gapon wrote:
> On 06/11/2019 20:32, driesm.michiels at gmail.com wrote:
>> Hi hackers mailing list,
>>
>>   
>>
>> I'm playing around with jedec_dimm to pick up my memory modules so I can
>> monitor temperature and read information from the SPD.
>>
>> Although I'm kind of stuck at the point where I am as there really should
>> not be anything more to it.
> Are you sure that your DIMMs have the temperature sensor?
> Are you sure that the DIMMs are connected to smbus0?
> Do you have an smbus driver attached at all?
>
> A bit more information about your hardware and kernel configuration would help.
> It is typical to share a dmesg at least.

Expanding on what Andriy said, a "hint" is information from the 
configuration files TO a driver as to where to look for something, and 
not a confirmation that it found it.


>> ATM I load the module through kld_list in rc.conf and have the following in
>> my device.hints as suggested in the man pages:
>>
>>   
>>
>> hint.jedec_dimm.0.at="smbus0"
>>
>> hint.jedec_dimm.0.addr="0xa0"
>>
>> hint.jedec_dimm.1.at="smbus0"
>>
>> hint.jedec_dimm.1.addr="0xa2"
>>
>> hint.jedec_dimm.2.at="smbus0"
>>
>> hint.jedec_dimm.2.addr="0xa4"
>>
>> hint.jedec_dimm.3.at="smbus0"
>>
>> hint.jedec_dimm.3.addr="0xa6"
>>
>> hint.jedec_dimm.4.at="smbus0"
>>
>> hint.jedec_dimm.4.addr="0xa8"
>>
>> hint.jedec_dimm.5.at="smbus0"
>>
>> hint.jedec_dimm.5.addr="0xaA"
>>
>> hint.jedec_dimm.6.at="smbus0"
>>
>> hint.jedec_dimm.6.addr="0xaC"
>>
>> hint.jedec_dimm.7.at="smbus0"
>>
>> hint.jedec_dimm.7.addr="0xaE"
>>
>>   
>>
>> Although when rebooting nothing gets detected/reported or printed on the
>> console.
>>
>> Is it possible that it does not work through kld_list or should it not
>> matter, if so why is that? Just curious =)
>>
>
>