2.6.20-viper1: D'ya like dags?

vipernicus · 2.6.20-viper1: D'ya like dags?

Viper Sources is pretty much my playground for new patches.

The main goal of this patchset is pretty much to offer the latest features, decrease latencies, decrease overhead, and improve interactivity. The only difference is experimental versions of everything. I boot test each release and run for an extended amount of time.

/* Notes */
Been a while since I've made a release, but since Con Kolivas decided to release a brand new cpu scheduler called RSDL (Rotating Staircase Deadline Scheduler).

http://bhhdoa.org.au/pipermail/ck/2007-February/006612.html

From the CK Mailing List:
Features:
Virtually immune to any starvation mechanism.
Absolutely no runtime interactivity estimation or bonus mechanism.
Virtually complete cpu distribution fairness based on nice.
Low latency with a virtual deadline mechanism.
Solid interactivity within the confines of the above.

Using 'nice' on this cpu scheduler should be very effective at metering out
appropriate amounts of cpu and latency.

HOTFIX 1! Fixes some boot issues. Update RSDL CPU scheduler from 0.12 to 0.13 can be found here:
http://vipernicus.evolution-mission.org/files/patches/2.6.20/viper1/broken-out/sched-rsdl-0.12-0.13.patch

HOTFIX 2! Update RSDL CPU scheduler from 0.13 to 0.14 can be found here:
http://vipernicus.evolution-mission.org/files/patches/2.6.20/viper1/broken-out/sched-rsdl-0.13-0.14.patch

HOTFIX 3! Several big changes. Update RSDL CPU scheduler from 0.14 to 0.15 can be found here:
http://vipernicus.evolution-mission.org/files/patches/2.6.20/viper1/broken-out/sched-rsdl-0.14-0.15.patch

HOTFIX 4! Build fix. Update RSDL CPU scheduler from 0.15 to 0.16 can be found here:
http://vipernicus.evolution-mission.org/files/patches/2.6.20/viper1/broken-out/sched-rsdl-0.15-0.16.patch

Additional Reiser4 Patch can be found here:
http://vipernicus.evolution-mission.org/files/patches/2.6.20/viper1/broken-out/reiser4-2.6.20.patch

Example of Viper Tunables:

mbar · Veteran Joined: 19 Jan 2005 Posts: 1902 Location: Poland

nice

bollucks · l33t Joined: 27 Oct 2004 Posts: 606

How's it behave? (btw there's a 0.12 rsdl patch in that directory now).

kernelOfTruth · Posted: Thu Feb 08, 2007 9:19 am Post subject:

great release :!:

unfortunately I can't use it since there's no reiser4 support, any suggestions which reiser4-patch to use?
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RobertDavid · Posted: Thu Feb 08, 2007 9:56 am Post subject:

Nice release:) But I also beg for the reiser4 (since I have / on reiser4)
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yoshi314 · l33t Joined: 30 Dec 2004 Posts: 782 Location: PL

Sure i like .. dags. I like caravans better.

does it include fglrx 2.6.20 patch?
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Kollin · Posted: Thu Feb 08, 2007 10:18 am Post subject:

martin.k · Posted: Thu Feb 08, 2007 11:07 am Post subject:

I know that reiser4 code is crappy, but as soon as it's included in viper I'll switch from 2.6.17-emission8
Well done!
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vipernicus · Posted: Thu Feb 08, 2007 12:37 pm Post subject:

tranquilcool · Veteran Joined: 25 Mar 2005 Posts: 1030

reiser4 again?

god save the queen!
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this is a strange strange world.

waspie · n00b Joined: 04 May 2004 Posts: 12

mine hangs at

NET: Registered Protocol Family 2

which seems to have something to do with SMP as this page
http://en.opensuse.org/SDB:Installation_hangs_at_%22NET:_Registered_Protocol_Family_2%22

says to pass this
maxcpus=0
to the kernel during boot.

i'm using a poweredge 2950 (dual quad-core) so nosmp is not an option.

im testing on a lesser-userd 2800 (dual dual-core) to see if i can get it to boot somehow.

**edit**
built from scratch (fresh .config) and made it to
TCP Reno Registered

:\

vipernicus · Posted: Thu Feb 08, 2007 2:51 pm Post subject:

waspie · n00b Joined: 04 May 2004 Posts: 12

here
http://130.101.226.83:27013/config

Phlogiston · Posted: Thu Feb 08, 2007 4:22 pm Post subject:

Is it stable? Suspend2 working? Thanks in advance

PS: Where are all the nice thinkpad patches?
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vipernicus · Posted: Thu Feb 08, 2007 5:14 pm Post subject:

tranquilcool · Veteran Joined: 25 Mar 2005 Posts: 1030

thanks viper. great release.

dmesg says;

**WARNING** I2C adapter driver [NVIDIA i2c adapter 0 at 1:00.0] forgot to specify physical device; fix it!

and i don't know what it means.

truecrypt doesn't compile.
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this is a strange strange world.

tsuehpsyde · Tux's lil' helper Joined: 28 Jul 2004 Posts: 100

Thanks for the heads up on this build, Viper.

Look forward to testing it out on my gameservers to see how it works. Wish me luck!

waspie · n00b Joined: 04 May 2004 Posts: 12

any help for me viper?

vipernicus · Posted: Thu Feb 08, 2007 7:29 pm Post subject:

vipernicus · Posted: Thu Feb 08, 2007 10:42 pm Post subject:

bollucks · l33t Joined: 27 Oct 2004 Posts: 606

New rsdl version 0.13; could be related to hangs mentioned here.

kernelOfTruth · Posted: Thu Feb 08, 2007 11:48 pm Post subject:

AaronPPC · Guru Joined: 29 May 2005 Posts: 510 Location: Tucson, AZ

Works here! Thanks vipernicus!

Great patchset and great movie reference.
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vipernicus · Posted: Fri Feb 09, 2007 1:26 am Post subject:

IvanMajhen · Guru Joined: 10 Jun 2006 Posts: 374 Location: Croatia

Kernel works and compiles perfectly.
Only problem i have is that suspend2 doesn't work with suspend2ui (text or fbsplash).
I had this problem with rc candidates too. Don't know what is problem.