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Date:      Thu, 11 Feb 2010 20:25:05 +0530
From:      "C. Jayachandran" <c.jayachandran@gmail.com>
To:        Randall Stewart <rrs@lakerest.net>
Cc:        Harrison Zou <hzou@netlogicmicro.com>, Jayachandran C <jayachandranc@netlogicmicro.com>, freebsd-mips@freebsd.org
Subject:   Re: RMI status
Message-ID:  <98a59be81002110655y60ab4e8cj473f4b6ecf6f5ae4@mail.gmail.com>
In-Reply-To: <5709963B-3F83-44FE-991F-A3227A2052DC@lakerest.net>
References:  <5709963B-3F83-44FE-991F-A3227A2052DC@lakerest.net>

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On Thu, Feb 11, 2010 at 7:47 PM, Randall Stewart <rrs@lakerest.net> wrote:
> All:
>
> With an svn update to the latest head (of yesterday 2/10 am), I added
> JC's patch for the rge fix (which I committed yesterday).. and then I
> started a buildworld over NFS and headed off to work.
>
> JC had mentioned a panic way into the buildworld that he saw, I did
> NOT see it.. basically my buildworld completed yesterday at about
> 2pm Pacific :-) [not to bad about 7 hours for a buildworld single core]..
> YEAH!!!

Great news!

> Now I am not sure if JC's panic was something that has been fixed and
> he missed it.. or still looming. (JC please do an svn update and retry
> to see if you can independently recreate my result). If it panics
> on you again I will have to work on trying to recreate it.

I usually try buildworld with '-j16' to stress the system, I got the
crash after a few hours of buildworld. Anyway I will update to the
latest trunk, remove my local changes and see if I get the same issue.
 If I can get it to crash consistently on my setup, I'll do some more
work on this.

> I am going to consider RMI stable at this point (unless JC cannot
> reproduce my results).. and now move on to my to-do list:
>
> - SMP (Neel has a great start here so hopefully we can use
> =A0 =A0 =A0 some of his great work and jump RMI to at least 8 core
> =A0 =A0 =A0 pretty quickly .. I will leave threads off until I can
> =A0 =A0 =A0 figure out a nice way to fix the pcpu issue).
> - Drivers yet to work
> =A0 o PCI
> =A0 o USB

I had worked on the original PCI and USB drivers (6.4) so I can take
these up in parallel if you don't mind.

> - n64..

Any plan of doing n32?  n32 with 64-bit physical address support may
be a better suited base configuration for XLR than o32, because we can
use all of the memory and the 64 bit support, without having to go
full 64-bit.

> So basically I am going to move on and see if I can break it now that
> I have it stable.. I will try to only break things inside #ifdef SMP thou=
gh
> ;-)

Regards,
JC.



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