Supermicro X7DBR-8+ hang at boot

[Guy Helmer]

Rinat K. Nugaev wrote:
> В сообщении от 24 января 2007 13:35 freebsd-stable-request at freebsd.org 
> написал(a):
>   
>> On 1/23/07, Guy Helmer <ghelmer at palisadesys.com> wrote:
>>     
>>> Using FreeBSD 6.2, I'm having trouble with the Supermicro X7DBR-8+
>>> motherboard (dual Xeon 5130 CPUs on the Blackford chipset -
>>> http://www.supermicro.com/products/motherboard/Xeon1333/5000P/X7DBR-8+.cf
>>> m) hanging after printing the "Waiting 5 seconds for SCSI devices to
>>> settle" message.  The hang doesn't always happen - sometimes we have to
>>> go through several reboot cycles for it to happen - but sometimes it
>>> happens with every reboot.  For those who would suggest that this happens
>>> because I'm using Seagate drives, it happens even if we totally remove
>>> the SCSI drive (but leave the aic7902 SCSI interfaces enabled) and boot
>>> from a SATA disk.  Using FreeBSD 6.1, the Intel gigabit ethernet NICs
>>> aren't found but the hang doesn't occur.
>>>       
> 1.Boot in safe_mode
> 2.Rebuild kernel with SMP (options         SMP)
> 3.Be Happy.
>   
Well, I was using SMP kernels...  Jack Vogel's suggestion to set 
hint.apic.0.disabled=1 has resolved the hang on boot on my system.  
FreeBSD 7 (January 2007 snapshot) has been working for me as well, but 
I'm not ready to use that in production.

Thanks,
Guy

-- 
Guy Helmer, Ph.D.
Chief System Architect
Palisade Systems, Inc.