FreeBSD kernel doesn't boot on FUJITSU PRIMERGY RX200 S5 server

Maxim Sobolev sobomax at
Wed Apr 21 20:06:26 UTC 2010

John Baldwin wrote:
> On Tuesday 20 April 2010 7:35:46 pm Matthew Jacob wrote:
>> On 04/20/2010 03:44 PM, Maxim Sobolev wrote:
>>> Maxim Sobolev wrote:
>>>>> Maybe try adding
>>>>> hint.atkbdc.0.disabled="1"
>>>>> hint.atkbd.0.disabled="1"
>>>>> to /boot/device.hints?  That has reportedly removed minute-long boot 
>>>>> delays on some Nehalem machines.
>>>> No, that have not helped at all. I measured the delay - it's about 6
>>>> minutes from boot command to the first "smap" message. Do you or 
>>>> anybody else have other ideas?
>>> Actually it helped, thank you very much! The problem was that I have 
>>> had my hints compiled into the kernel itself.
>> Me too!
> I can't reproduce this currently, but it would be good to debug this further.  
> My suggestions on how to do this would be to create an array of uint64_t and 
> save TSC values (rdtsc()) into it at specific points in the atkbd/syscons 
> console init.  You can then print out the deltas between array entries once 
> the console is fully initialized.  Moving the rdtsc() calls around should 
> allow one to determine where in the atkbd/syscons init the long pause is 
> happening.

There is already a code to detect non-existing AT keyboard and avoid 
attaching atkbd to it. The code is i386-only at the moment, I am trying 
to figure out how to modify it so that it works on amd64 as well.


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