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 Post subject: SiCortex SC072
Unread postPosted: Fri Feb 24, 2012 9:00 pm 
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Hi so I just got my hands on a SC072 and its pretty cool. Im having a lot of fun with it. But I was thinking since it has mips processors would it be possible to modify irix to run on it? Any thoughts?

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 Post subject: Re: SiCortex SC072
Unread postPosted: Fri Feb 24, 2012 9:39 pm 
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Dragongolfer wrote:
Hi so I just got my hands on a SC072 and its pretty cool. Im having a lot of fun with it. But I was thinking since it has mips processors would it be possible to modify irix to run on it? Any thoughts?

If you were SGI it would be feasible but otherwise, a LOT of work and some lucky black magic. You'd be better off doing something like the Maxx Desktop.

Since the real advantage of Irix is the close integration of the software and hardware, you're not really missing much by the loss of Irix on other hardware. Irix isn't magic, it just works very well on a certain constrained selection of hardware.

What could be really interesting would be to join Porter's SOM kit with Maxx Desktop. A truly object-oriented 4Dwm desktop on top of Linux/FreeBSD/whatever would be great. The Workplace Shell is killer, best desktop architecture ever designed.


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 Post subject: Re: SiCortex SC072
Unread postPosted: Fri Feb 24, 2012 9:42 pm 
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I don't think IRIX has ever run on massively MP hardware. There was something called UNICOS/mp that was based on IRIX and Cellular IRIX, but I wouldn't imagine sources would be easy to find.

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 Post subject: Re: SiCortex SC072
Unread postPosted: Fri Feb 24, 2012 10:06 pm 
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I'm not even sure it would be feasible for SGI. You're talking a slightly different processor architecture, different connection methodology (UNICOS/mp hardware was based around NUMAlink, SiCortex isn't), different firmware, different I/O... possibly different endianness...

It wouldn't be much more work to tweak IRIX to run on PCs.

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 Post subject: Re: SiCortex SC072
Unread postPosted: Fri Feb 24, 2012 10:27 pm 
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Well slightly off topic, I thought that the SC072 was supposed to run a custom version of Gentoo mine is running Red Hat Enterprise Linux 5

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 Post subject: Re: SiCortex SC072
Unread postPosted: Fri Feb 24, 2012 10:41 pm 
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About SiCortex, these are cool, worth a few minutes to read :

http://www.bigncomputing.org/Big_N_Comp ... ortex.html

http://insidehpc.com/2009/06/05/qa-with ... s-for-hpc/

http://www.hpcwire.com/hpcwire/2009-05- ... mpany.html

What's sad is that the "business model" in the US today requires a company to make so much money so fast. In other countries, young companies with promise can last longer before they pull the plug. Maybe it was partly their decisions that blew the place up but in China, this place would have got some support. The entire American business model is broken.


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 Post subject: Re: SiCortex SC072
Unread postPosted: Fri Feb 24, 2012 11:02 pm 
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Dragongolfer wrote:
mine is running Red Hat Enterprise Linux 5


on its single Opteron host processor ? ;)

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 Post subject: Re: SiCortex SC072
Unread postPosted: Fri Feb 24, 2012 11:18 pm 
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No mine has a Turion for some reason

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 Post subject: Re: SiCortex SC072
Unread postPosted: Fri Feb 24, 2012 11:26 pm 
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All of a sudden it gave me an error saying "Server Authorization directory (daemon/ServAuthDir) is set to /var/lib/gdm but
this does not exist. Please correct GDM configuration and restart GDM" anyone know how to fix this it wont let me login or anything.

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 Post subject: Re: SiCortex SC072
Unread postPosted: Sat Feb 25, 2012 2:30 am 
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Dragongolfer wrote:
But I was thinking since it has mips processors would it be possible to modify irix to run on it?


No.


Quote:
No mine has a Turion for some reason



Turion=low leakage/low power Opteron, SiCortex value proposition was low overall power consumption, thus the reason.

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 Post subject: Re: SiCortex SC072
Unread postPosted: Sat Feb 25, 2012 6:49 pm 
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You mean like this one, which also appears to run RHEL5?

I'd pick it up at $150, but not at $1,500...

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 Post subject: Re: SiCortex SC072
Unread postPosted: Sat Feb 25, 2012 8:08 pm 
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Thats how much I picked mine up for 150, and mine is in a lot better condition than that.

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 Post subject: Re: SiCortex SC072
Unread postPosted: Mon Feb 27, 2012 7:30 pm 
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I thought you might enjoy some pictures. So here you go


Attachments:
File comment: Those little blue things are the processors. Each one has 6 for a grand total of 72 MIPS64 processors
101_0204.JPG
101_0204.JPG [ 1.21 MiB | Viewed 948 times ]
File comment: The guts of the computer. The x86 node is the thing at the top
101_0203.JPG
101_0203.JPG [ 1.37 MiB | Viewed 948 times ]
101_0202.JPG
101_0202.JPG [ 1.37 MiB | Viewed 948 times ]
101_0201.JPG
101_0201.JPG [ 778.78 KiB | Viewed 948 times ]
101_0200.JPG
101_0200.JPG [ 717.81 KiB | Viewed 948 times ]
101_0199.JPG
101_0199.JPG [ 791.21 KiB | Viewed 948 times ]

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 Post subject: Re: SiCortex SC072
Unread postPosted: Tue Feb 28, 2012 1:38 am 
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Neat! Let us know what you do with it, assuming you get past that GDM error. Did you get OS media with the machine? Is something compatible available for download?

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 Post subject: Re: SiCortex SC072
Unread postPosted: Tue Feb 28, 2012 8:16 am 
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Yes I got the OS media with it. I was able to fix the error so it works great now. Disk 1 contains Red Hat Enterprise Linux 5 for the x86 node and Disk 2 contains the modified version of Gentoo called SiCortex Linux for the MIPS processors.

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