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Question: Dual CPU with DSL :: Total Votes:22
Poll choices Votes Statistics
only 1 cpu in my machine.. I see "error, only 1 processor found". 16  [72.73%]
only 2 cpus in my machine.. I see 2 penguins when I boot. 6  [27.27%]
only 4 cpus in my machine..  I am shot in the a$$ with dollars.. 0  [0.00%]
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Topic: Dual CPU with DSL, Do You Run dual or quad cpu's with DSL?< Next Oldest | Next Newest >
cbagger01 Offline





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Posts: 4264
Joined: Oct. 2003
Posted: June 16 2004,16:04 QUOTE

Yes,

Hyperthreading is supported in DSL.  I have used it on my Hyperthreaded P4-2.8GHz machine.

Unfortunately, there seems to be an issue with the SMP (multi-processor support) in DSL versions 0.6 through 0.7.1 that produce an "Error - Only one Processor found" message at boot time.  DSL will still work just fine, however.

If you use an older version of DSL (version 0.5.3.1 for example), you will get no errors and you will see two penguins (meaning 2 CPUs) at boot time.

This is also true for some versions of Knoppix, including the Knoppix 3.3 version that DSL 0.6/0.7 was based upon.

However, if you go back to Knoppix 3.2 or if you go to a newer version 3.4 it will work correctly with hyperthreading and you will see two penguins at boot time.

Knoppix 3.3 and DSL 0.6/0.7 will still run on the computer even if you get the message.

Good Luck.
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ke4nt1 Offline





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Posts: 2329
Joined: Oct. 2003
Posted: June 16 2004,18:36 QUOTE

cbagger01?

I see 2 penguins every time I bootup !?

On the following systems, I can see both cpu's in action
and at boottime  using DSL 0.7.1

Dual Athlon MP 1.9G
Dual P3 1.0G (1173)
Dual P3 933 (1010)
Dual 533 Celeron (600)

I run "wmcpuload -c 0" and "wmcpuload -c 1"
Shows both cpu's in action
see this screenshot > http://www.creativesound.com/ares/xine3.jpg
and notice both cpu's shown in the slit above mount.app

What problems are you having with dual cpu's ?

Perhaps this is only pertaining to Hyperthreaded single processors,
not physical twin cpu's in a single PC ??

I thought that was all over with 0.7.1 - no more "nosmp" during bootup.

Awaiting your reply,

Kent
"ke4nt"
"ke4nt1"
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cbagger01 Offline





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Posts: 4264
Joined: Oct. 2003
Posted: June 16 2004,21:28 QUOTE

ke4nt,

I don't have access to any true dual CPU machines. My observation is a reflection of the 10 people who reported that they get the "Error, only one processor found" message and only one penguin.

However, I can verify the following

For a P4-2.8GHz Hyperthreaded system (Dell Poweredge 400SC - OEM version of the Intel 875PZD motherboard), all of these versions will boot up and run:

DSL 0.5.3.1 = No error message, two penguins
DSL 0.7.1 = Error message, one penguin
Knoppix 3.3 = Error message, one penguin
Knoppix 3.4 = No error message, two penguins.  This is true for the Knoppix 3.4 kernel 2.4.26 boot AND also the Knoppix 3.4 "experimental" kernel 2.6.6 boot
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ke4nt1 Offline





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Posts: 2329
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Posted: June 16 2004,21:50 QUOTE

While my boxes don't show the error, my son's
athlon 900 gives him the "error, only 1 processor found"
message..  (its just an old "socket A" 900 cpu...)

I thought it was more "tongue-in-cheeK" humor
about not using linux to its full capacity.

I'll check some others... except for the older laptops,
I'm usually on a dual box, and never see that message.

Thanks...

ke4nt
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betaluva Offline





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Posts: 16
Joined: Nov. 2003
Posted: June 16 2004,23:45 QUOTE

i wish i hadnt deleted my old versions of DSL now, anyways thanks for the info.:)
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22 replies since May 16 2004,20:42 < Next Oldest | Next Newest >

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