SMP support for XLR processors.

[Randall Stewart]

Yeah,

There are still lots of issues with the SMP patches...

Have you tested without PREEMPTION?

Note that I still get a crash without it.. but its
centered in an IPI with a spin-lock held to long during
a buildworld -j16

R
On Apr 28, 2010, at 4:45 AM, Rui Paulo wrote:

> On 26 Apr 2010, at 20:39, C. Jayachandran wrote:
>
>> On Tue, Apr 20, 2010 at 4:42 PM, Rui Paulo <rpaulo at freebsd.org>  
>> wrote:
>>> On 20 Apr 2010, at 12:06, C. Jayachandran wrote:
>>>> I'm not seeing the issue here(my output for ref below).  The rge  
>>>> patch
>>>> should not really make a difference - but it will be good to try  
>>>> with
>>>> that.  The only other difference I can think of between our  
>>>> configs is
>>>> MFS root/NFS root and rge0/rge1 - but none of these should affect  
>>>> the
>>>> message ring threads.  Can you send me the config you use?
>>>
>> ...
>>> I use the basic XLR config with some mods:
>>> +options        PREEMPTION              # Enable kernel thread  
>>> preemption
>> ...
>>
>> As Randall said, this may be the issue, I haven't had much time to
>> look at this, since I'm still looking at another issue. Do you still
>> have the issue without PREEMPTION?
>
> Just tested on the most recent HEAD and yes I still have the issue :-(
>
> Regards,
> --
> Rui Paulo
>
>

------------------------------
Randall Stewart
803-317-4952 (cell)
803-345-0391(direct)