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 Forum index » Advanced Topics » Puppy Derivatives
Puppy 4.2 SMP-RT
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maggotspawn

Joined: 19 Aug 2008
Posts: 355
Location: Los Angeles, CA.

PostPosted: Thu 18 Jun 2009, 10:45    Post_subject:  Puppy 4.2 SMP-RT
Sub_title: 2.6.29.1 kernel SMP and RT enabled
 

Something I've been messing with. Started out with aragons 4.2 SMP. Recompiled kernel for RT. It uses the pup_420.sfs from aragon's puplet with updated modules. As far as I know all the apps are patched.
This probaly is only of interest to those wanting to run audio applications with minimal latency. Rosegarden, Ardour, Reaper. Download at: www.agitprop666.com/PuppyLinux2.html
Big thanks to aragon and tempestuous for setting me straight on some technical issues.

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maggotspawn

Joined: 19 Aug 2008
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Location: Los Angeles, CA.

PostPosted: Sat 20 Jun 2009, 08:10    Post_subject:  

Uploaded the kernel source sfs.
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Sit Heel Speak


Joined: 30 Mar 2006
Posts: 2595
Location: downwind

PostPosted: Mon 22 Jun 2009, 16:37    Post_subject:  

Hi maggotspawn,

I downloaded Puppy 4.2 SMP-RT, the md5sum is OK, but it won't boot. I get the message:

ISOLINUX 3.63 2008-04-10 isolinux: Image checksum error, sorry...
Boot failed: press a key to retry...

I tried burning the Puppy 4.2 SMP-RT .iso image to good-quality Fujifilm CD-R's twice, using PBurn. Same error on both. The combination of PBurn and these Fujifilm CD-R's has proven reliable, so my initial guess is that the problem is with the .iso image.

Your DAW-PUP version does boot OK; I'm posting from it now. However, dhcp doesn't work. Network Setup wizard says it worked, but a check reveals it has assigned that usual 169.n.n.n dud address. One of the few dhcpd's I've found in any Puppy/Puplet that does work, at least on my machine, is in 2.16CE.

DAW-PUP's kernel has slightly worse benchmark performance as shown by hardinfo, versus Puppy 4.1 outfitted with an SMP kernel. Not sure if this is because of the RT patches or the newer kernel. However, despite its slightly worse benchmark scores, the subjective overall snappiness of DAW-PUP is better than Puppy 4.1 with an SMP kernel. FirePup runs nice and fast, what few applications I've tried open with pleasing speed, and PFind across my half-terabyte of disk space (on 7 disks divided into 13 partitions) happens faster than on any other Puplet I've tried.

DAW-PUP may become my regular Puppy, at least until I finish constructing one of my own that I'm satisfied with.. Good work!
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maggotspawn

Joined: 19 Aug 2008
Posts: 355
Location: Los Angeles, CA.

PostPosted: Mon 22 Jun 2009, 16:51    Post_subject:  

Doh, I'll have to look into that iso error. Thanks for checking them out. Smile
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maggotspawn

Joined: 19 Aug 2008
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Location: Los Angeles, CA.

PostPosted: Mon 22 Jun 2009, 18:27    Post_subject:  

Got it sorted. I could have sworn I booted with the CD, but I guess I didn't. Was using it to remaster DAW-PUP. Had to remaster RT-SMP. Fixed version up in about 10 minutes. Thanks for catching that. Embarassed
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maggotspawn

Joined: 19 Aug 2008
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PostPosted: Mon 22 Jun 2009, 18:51    Post_subject:  

O.K. fixed version is up. Thanks again, Sit Heel Speak.
Woof Woof! Smile

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maggotspawn

Joined: 19 Aug 2008
Posts: 355
Location: Los Angeles, CA.

PostPosted: Tue 23 Jun 2009, 17:18    Post_subject:  

Sit Heel Speak caught an error on my part with the kernel, recompiling now. Will be a day or so before the real RT version is up. Patched the kernel but failed to enable RT. Yes, I'm a newb.
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maggotspawn

Joined: 19 Aug 2008
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Location: Los Angeles, CA.

PostPosted: Tue 23 Jun 2009, 20:47    Post_subject:  

Fixed version is up. I'll try to get the kernel source up tommorow.
Hardinfo says #1 SMP PREEMPT RT under operating system, so that's a good sign.

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maggotspawn

Joined: 19 Aug 2008
Posts: 355
Location: Los Angeles, CA.

PostPosted: Thu 25 Jun 2009, 19:32    Post_subject:  

Kernel source sfs up.
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maggotspawn

Joined: 19 Aug 2008
Posts: 355
Location: Los Angeles, CA.

PostPosted: Fri 26 Jun 2009, 14:10    Post_subject:  

Here's the .config
I googled this: http://rt.wiki.kernel.org/index.php/Frequently_Asked_Questions
All kernel config settings seem to be good now.
DOTconfig-maggotspawn.gz
Description 
gz

 Download 
Filename  DOTconfig-maggotspawn.gz 
Filesize  20.49 KB 
Downloaded  288 Time(s) 

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