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pappy_mcfae
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PostPosted: Tue Mar 15, 2011 9:45 am    Post subject: Reply with quote

Just in time for the Ides of March, new source code appears at kernel-dot-org, including 2.6.38. I've just uploaded .configs for 2.6.32.33, 2.6.37.4, 2.6.37-gentoo-r2, and 2.6.38 in both x86 and x86_64 flavors. Enjoy!

Et tu, Brute?

Cheers,
Pappy
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kimmie
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PostPosted: Tue Mar 15, 2011 12:11 pm    Post subject: Reply with quote

Moriah wrote:
I have a Lenovo w500 I set up a year ago. See the gentoo forums thread on setting up a laptop on Pappy'sSeeds. It has pcie but also card bus. It uses core2duo;I think yours uses a quad? What other differences have you discovered?


Yeah, it's a quad i7 720QM. http://www.thinkwiki.org/wiki/Category:W510 confirms there's no cardbus/pcmcia. It's a base model W510 - I didn't have the money for its slightly bigger brothers (wish I had the high quality 1920x1200 display, this one's not really up to scratch for watching video), but for a pretty cheap laptop it really kicks ass. Not really sure what differences you mean, I hope you got your W500 going to your satisfaction. Looks like you got lots of help from NeddySeagoon and Pappy; I really admire these guys for making gentoo such a friendly place :)
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d2_racing
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PostPosted: Tue Mar 15, 2011 12:38 pm    Post subject: Reply with quote

Pappy, did you finally try the new cgroups options ?

Also, where did you took Et tu, Brute?

What are you trying to say with that quote , because I don't understand and I'm french :P
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BenderBendingRodriguez
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PostPosted: Tue Mar 15, 2011 3:33 pm    Post subject: Reply with quote

pappy_mcfae wrote:
BenderBendingRodriguez,

By definition, you are expected to configure things for your system to work. If PID namespace is required by your system, by all means, turn it on. I have yet to find a need for it, nor anything that it does that causes issues. I'm not doubting what you say, I'm just saying if you need it, turn it on.

That is a cardinal rule for the seeds. I turn on what is absolutely needed. I don't turn on that which isn't.

Cheers,
Pappy


I am not complaining as i find your seeds great but some stuff should be researched a bit more. I'd just expect to find a note for chromium users regarding PID Namespace ;)
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pappy_mcfae
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PostPosted: Tue Mar 15, 2011 7:52 pm    Post subject: Reply with quote

I use chromium all the time. I have had no problems with it. As a matter of fact, it's better at dealing with porn sites (with lots of pop-ups), than firefox.

d2_racing,

"Et tu, Brute, then fall Caesar!" From Julius Caesar by Shakespeare. Beware the Ides of March!!

Yes, I have tried that setting, but with limited success. That source version doesn't like my wireless, as it fails to compile ndiswrapper, and broadcom-sta compiles but doesn't work. On my other machine, I didn't really notice a big change, but I don't use that machine like I do this one or the 64 bit machine. Since .38 has gone out of rc status, I will most likely work on it a bit more today. Perhaps I'll make a bug report so at least I have ndiswrapper working again.

Cheers,
Pappy
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pappy_mcfae
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PostPosted: Thu Mar 17, 2011 6:23 am    Post subject: Reply with quote

I was hoping for more new kernel source. Only one today. I've just uploaded .configs for 2.6.38-gentoo in both x86 and x86_64 flavors. Enjoy!

d2_racing, I'm going to set up a .38 kernel on this machine, and see if it works better with ndiswrapper, at least. Crossing fingers here!!

Cheers,
Pappy
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pappy_mcfae
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PostPosted: Thu Mar 17, 2011 7:54 am    Post subject: Reply with quote

d2_racing

The ndiswrapper issue is fixed, and I'm running with the .38 vanilla kernel right at the moment. It does seem to make the screen savers come on and act much more gracefully while compiling glibc and gcc. I had a distcc glitch, but I'm so used to those, I hardly bother worrying about them anymore. It also seems to be much more forgiving to having compilation and firefox going at the same time.

Interesting...

I'll have to do some more research, but at least every thing's working right between .38 and my systems. That always makes me happy.

Cheers,
Pappy
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d2_racing
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PostPosted: Thu Mar 17, 2011 1:18 pm    Post subject: Reply with quote

Yep, my box have a good response when if my 4 cores are at 100% and my load is at 65.

This new feature is really good.
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pappy_mcfae
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PostPosted: Sun Mar 20, 2011 8:40 am    Post subject: Reply with quote

The hardened sources folks gave me something to do today. I just uploaded .configs for 2.6.32-hardened-r41 and 2.6.37-hardened-r6 in both x86 and x86_64 flavors. Enjoy!

I've also noticed a lot of action at the zen git. Could this mean the .38 zen is getting ready to go? I sure hope so! I'd like to try BFS with automatic process group scheduling.

Cheers,
Pappy
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pappy_mcfae
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PostPosted: Mon Mar 21, 2011 6:37 am    Post subject: Reply with quote

Just one new bit of kernel source today. I've just uploaded .configs for 2.6.37-gentoo-r3 in both x86 and x86_64 flavors. Enjoy!

Cheers,
Pappy
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pappy_mcfae
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PostPosted: Wed Mar 23, 2011 7:50 am    Post subject: Reply with quote

I've just uploaded .configs for 2.6.32-hardened-r42 and 2.6.37-hardened-r7 in both x86 and x86_64 flavors. Enjoy!

Cheers,
Pappy
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BenderBendingRodriguez
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PostPosted: Wed Mar 23, 2011 12:23 pm    Post subject: Reply with quote

Is there much difference between seeds for R6 and R7 ? I am asking because i used r6 seed for r7. The minor version differences are only bug fixes and it shouldn't affect it ?
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zolfo
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PostPosted: Wed Mar 23, 2011 6:35 pm    Post subject: Reply with quote

Hi Pappy,
I wanted to combine your seed + zen patch, but since the latest zen stable patch is for 2.6.36 while your seed is 2.6.38 ready,
I was wondering if it make sense to apply latest 2.6.36 zen patch (v2) over a 2.6.36-r8 + your seed,
or I'd get a lot of "hunk #n failed" errors with possibly code stability issues?
Is it better to keep going with the pure 2.6.36 (not the r8)?
I'm just wondering, 'cause I don't really know right now if I need all the changes made till the r8, maybe not.

Thank you

Zolfo
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cach0rr0
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PostPosted: Wed Mar 23, 2011 6:51 pm    Post subject: Reply with quote

BenderBendingRodriguez wrote:
Is there much difference between seeds for R6 and R7 ? I am asking because i used r6 seed for r7. The minor version differences are only bug fixes and it shouldn't affect it ?


i do this often, have yet to notice an issue. There shouldn't generally be different symbols available between rN and rN+1
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cach0rr0
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PostPosted: Wed Mar 23, 2011 6:54 pm    Post subject: Reply with quote

zolfo wrote:
Hi Pappy,
I wanted to combine your seed + zen patch, but since the latest zen stable patch is for 2.6.36 while your seed is 2.6.38 ready,
I was wondering if it make sense to apply latest 2.6.36 zen patch (v2) over a 2.6.36-r8 + your seed,
or I'd get a lot of "hunk #n failed" errors with possibly code stability issues?
Is it better to keep going with the pure 2.6.36 (not the r8)?
I'm just wondering, 'cause I don't really know right now if I need all the changes made till the r8, maybe not.

Thank you

Zolfo


he has specific zen seeds available

x86
x86_64

Are you trying to apply the zen patch yourself, is that why you are asking?
Because zen-sources is available in portage, you do not need to apply the patch yourself; you can simply emerge zen-sources and have it already done for you, then snag the correct seed from Pappy's 'zen' section of the site.
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pappy_mcfae
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PostPosted: Wed Mar 23, 2011 8:50 pm    Post subject: Reply with quote

BenderBendingRodriguez,

As far as I know, running any of common configuration functions, ie make menuconfig, make xconfig, make gconfig, etc., will automatically run make silentoldconfig first. That will immediately switch the .config file to the current kernel source version you're using. So, as soon as you make menuconfig, you've automatically up or downgraded the .config to the version you're going to use. The only time you will notice it running make silentoldconfig is if there are new or radically changed options.

zolfo,

cach0rr0 is quite right that you can just emerge -av zen-sources, and you'll have 2.6.36-zen2 quick as a flash. That saves a lot of time and frustration. Once you get that source installed, then you can use the proper seed.

Cheers,
Pappy
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zolfo
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PostPosted: Wed Mar 23, 2011 9:35 pm    Post subject: Reply with quote

Yeah Pappy you're right, I was having trouble surfing your website (don't know why) and I couldn't find the seeds!
Thanks anyway, you are making a great work!

Zolfo
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pappy_mcfae
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PostPosted: Wed Mar 23, 2011 10:38 pm    Post subject: Reply with quote

Thanks for the good words. It's getting close to time to revise the pages. I shudder to think, but it's about time that things got updated. Makes me wish I got paid for doing it.

grumble, grumble :twisted:

Cheers,
Pappy
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pappy_mcfae
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PostPosted: Thu Mar 24, 2011 7:38 am    Post subject: Reply with quote

Kernel-dot-org had lots of source to offer. Some of it is so new, the script that deblobs the .38 kernels hasn't even hit portage yet. Still, I've just uploaded .configs for 2.6.32.34, 2.6.33.8, 2.6.37.5, and 2.6.38.1 in both x86 and x86_64 flavors. Enjoy!

Cheers,
Pappy
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raj7095
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PostPosted: Sun Mar 27, 2011 7:13 pm    Post subject: Reply with quote

pappy, i tried your kernel seeds for 2.6.38 and noticed that transparent hugepages option was disabled. how come?
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pappy_mcfae
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PostPosted: Sun Mar 27, 2011 8:28 pm    Post subject: Reply with quote

Probably because I didn't know it was an option. What is it supposed to do?

Cheers,
Pappy
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raj7095
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PostPosted: Sun Mar 27, 2011 10:01 pm    Post subject: Reply with quote

I am not sure exactly what it is supposed to do. According to phoronix, "Transparent Hugepage Support maximizes the usefulness of free memory if compared to the reservation approach of hugetlbfs by allowing all unused memory to be used as cache or other movable (or even unmovable entities). It does not require reservation to prevent hugepage allocation failures to be noticeable from user-land. It allows paging and all other advanced VM features to be available on the hugepages. It requires no modifications for applications to take advantage of it." It's apparently supposed to increase the performance of applications that eat a lot of memory.
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kernelOfTruth
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PostPosted: Sun Mar 27, 2011 10:33 pm    Post subject: Reply with quote

raj7095 wrote:
I am not sure exactly what it is supposed to do. According to phoronix, "Transparent Hugepage Support maximizes the usefulness of free memory if compared to the reservation approach of hugetlbfs by allowing all unused memory to be used as cache or other movable (or even unmovable entities). It does not require reservation to prevent hugepage allocation failures to be noticeable from user-land. It allows paging and all other advanced VM features to be available on the hugepages. It requires no modifications for applications to take advantage of it." It's apparently supposed to increase the performance of applications that eat a lot of memory.


it gives you a performance gain of approx. 3-10% depending on the workload you have & should be quite stable on 2.6.38 (due to testing)

I also have it in my 2.6.37_plus kernel but it wasn't really that stable

THP uses memory compaction for defrag so that should be also enabled

afaik Ant P uses it for number-crunching and got quiet a nice speed improvement out of it


don't know if you still need to append: transparent_hugepage=1 to enable it
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raj7095
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PostPosted: Sun Mar 27, 2011 10:40 pm    Post subject: Reply with quote

its pretty stable in 2.6.38, except if gnome-screensaver starts up and firefox is still on, then everything freezes and you have to restart your display manager.
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kernelOfTruth
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PostPosted: Sun Mar 27, 2011 11:09 pm    Post subject: Reply with quote

raj7095 wrote:
its pretty stable in 2.6.38, except if gnome-screensaver starts up and firefox is still on, then everything freezes and you have to restart your display manager.


well so it's NOT stable ;)

are the devs aware of this issue ?

I got the exactly same error with the latest available THP for 2.6.37-rc* and when running seamonkey-bin

don't remember the error message anymore but working with it is a no-go with opensource drivers due to KMS: black screen with error message/BUG ;)

afaik I also got it when compiling Android & having overcommit activated in the kernel (for java)
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