[talk] FreeBSD 10.2-stable "random device not loaded"

[Pete Wright]

On 12/16/2015 08:41 PM, George Rosamond wrote:
> Pete Wright:
>>
>>
>> On 12/16/15 16:10, Pete Wright wrote:
>>>
>>>
>>> On 12/16/15 15:42, John Baldwin wrote:
>>>> On Friday, December 11, 2015 06:10:52 PM George Rosamond wrote:
>>>>> Just updated a box to #r292122 with GENERIC, found this wildly
>>>>> confidence-building note in the dmesg:
>>>>>
>>>>>    random device not loaded; using insecure entropy
>>>>>
>>>>> Two lines later in the dmesg it does say:
>>>>>
>>>>>    random: <Software, Yarrow> initialized
>>>>>
>>>>> I don't see anything online recently about this... except for one
>>>>> unanswered post on freebsd-questions@ in late October.
>>>>>
>>>>> Thought I'd post here before I dug further...
>>>>
>>>> Humm, any luck on more info?  I haven't seen that on HEAD, and GENERIC
>>>> on stable/10 includes device random so that seems odd.
>>>>
>>>
>>>
>>> i am *not* seeing this on one of my KVM instances here running HEAD r292065:
>>>
>>> pwright at bsd-current:/usr/src % dmesg|grep -i random
>>> random: unblocking device.
>>> random: entropy device external interface
>>> random: registering fast source Intel Secure Key RNG
>>> random: fast provider: "Intel Secure Key RNG"
>>>
>>>
>>> this is a sandy bridge (E3xxx) Intel CPU on the hypervisor fwiw.
>>
>> strike that - freebsd detects this as a E312xx but the hypervisor is a
>> E5-2697 v2 which is also a sandy bridge, but a different rev than the E3xxxx
>
> Thanks Pete and John.
>
> Again, here's the relevant part of the dmesg:
>
> random device not loaded; using insecure entropy
> ioapic0 <Version 2.0> irqs 0-23 on motherboard
> random: <Software, Yarrow> initialized
>
> Someone hit me offlist on this, and apparently it's Supermicro
> motherboard-related.  Yes, vague, but I need to do more searching after
> that.
>

what's the full dmesg look like?

if for nothing else just curiosity :)

-p


-- 
Pete Wright
pete at nomadlogic.org