Subject: Re: MP AS4100 hanging
To: None <port-alpha@netbsd.org>
From: Dave McGuire <mcguire@neurotica.com>
List: port-alpha
Date: 01/02/2003 09:03:06
On Thursday, January 2, 2003, at 08:56 AM, Greg Oster wrote:
>> FWIW, I also have a CS20 which I've been running -current (currently
>> 1.6K) on for a while, and I've been running it in MP mode with no
>> observable major problems (OK, I'll admit that I've managed to wedge
>> it once to the point of it requiring a power-cycle to recover; I think
>> the problem involved ktrace, but I did not pursue this further).
>>
>> Are you trying to use any particular functionality in the NetBSD
>> kernel?  Raidframe, perhaps?  I'm not using raidframe, and if I recall
>> correctly, there have been locking issues in the raidframe code which
>> have not yet been fully resolved(?), and it's not inconceivable that
>> these problems could cause more severe problems on MP systems.
>
> I am not aware of any remaining locking issues in RAIDframe.  However: 
> I've
> not tested it on a MP alpha box (I have tested it on a MP i386 box).
>
> In any case, if there are locking issues left, I want to hear about 
> them...

   Like Jeff, I have RAIDframe compiled in, but am not yet using it on 
that machine.  Doesn't seem like it could be the fault of RAIDframe in 
this case.

       -Dave

--
Dave McGuire           "She's a cheek pincher.  I have scars."
St. Petersburg, FL                          -Gary Nichols