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Ormaaj Guru

Joined: 28 Jan 2008 Posts: 312
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Posted: Sat Feb 13, 2010 1:20 am Post subject: |
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Thanks pappy for the hard work on the docs! It has really helped clear up some misleading and overly terse descriptions with no advice. I can't wait to read the upcoming sections to see what else I've been fucking up all these years.
pappy sez:
| Quote: | <*> Video
This setting implements ACPI extensions for display adapters. This is very important as it allows the display adapter to read the EDID information from the monitor, and to set the video card for maximum resolution. This setting defaults to on. Changing it is not recommended. |
kernel sez:
| Quote: | | This driver implements the ACPI Extensions For Display Adapters for integrated graphics devices on motherboard |
Does this mean that all the functionality of this option applies only to gpus integrated to the mobo as in most laptops, or does your EDID note also apply generally to AGP and PCIE cards? The kernel help text could be interpreted as meaning either. |
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Ron Olsen n00b

Joined: 31 Jan 2010 Posts: 18 Location: Boulder, CO
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Posted: Sat Feb 13, 2010 1:55 am Post subject: |
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I too would like to thank Pappy for his hard work in setting up and documenting his kernel seeds.
I recently updated my 2.6.31-r6 x86 kernel using Pappy's seed, and the performance of my machine is a lot better. Reading Pappy's comments on various kernel config options has greatly increased my understanding of the kernel.
Thanks again, Pappy! |
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pappy_mcfae Watchman


Joined: 27 Dec 2007 Posts: 5609 Location: Dallas
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Posted: Sat Feb 13, 2010 5:33 am Post subject: |
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| Ormaaj wrote: | | Does this mean that all the functionality of this option applies only to gpus integrated to the mobo as in most laptops, or does your EDID note also apply generally to AGP and PCIE cards? The kernel help text could be interpreted as meaning either. |
It covers all GPU's, or should I say the ones I've used (ATI, Intel, nVidia). I know this, because when I hook up the headless web server to my widescreen monitor, it automatically changes resolution to 1680x1050, the max resolution for that monitor, when X is started with the monitor plugged in. That's the oldest video device (an old ATI AGP), that I have. It also works on the GeForce 7300 PCIE, and the Intel GPU on this machine (PCIE laptop).
Blessed be!
Pappy _________________ SITE LIST:
Main: http://www.kernel-seeds.org
Mirror: http://kernel-seeds.bloodnoc.org/
Mirror 2: http://kernel-seeds.audiodef.com/
Mirror 3: http://www.elilabs.com/~pappy/ |
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pappy_mcfae Watchman


Joined: 27 Dec 2007 Posts: 5609 Location: Dallas
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Posted: Sat Feb 13, 2010 5:37 am Post subject: |
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There are some more pages in the works. One is awaiting proofreading and fact checking. The other is currently being worked on. I am hoping to have at least the kernel explanations done by the end of the month. A page or two of tips and tricks is sure to follow, but one thing at at time.
I am glad that my efforts are gaining appreciation. I'll be even happier if I can ever make money with a book on the topic, or such. But once again, one thing at a time.
BB!
P _________________ SITE LIST:
Main: http://www.kernel-seeds.org
Mirror: http://kernel-seeds.bloodnoc.org/
Mirror 2: http://kernel-seeds.audiodef.com/
Mirror 3: http://www.elilabs.com/~pappy/ |
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b0nafide Tux's lil' helper


Joined: 17 Feb 2008 Posts: 122 Location: ~/
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Posted: Sun Feb 14, 2010 11:16 pm Post subject: |
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| Thanks for your work Pappy, I thought I was pretty good at compiling my own kernel, but after reading your guide I recompiled with your recommendations (especially CPU settings) and everything is great on both machines with the new changes. They are both laptops - the hardware will likely never change - so having a kernel that is specifically tweaked for the performance of that hardware is a huge bonus. Thanks again. |
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pappy_mcfae Watchman


Joined: 27 Dec 2007 Posts: 5609 Location: Dallas
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d2_racing Moderator


Joined: 25 Apr 2005 Posts: 12867 Location: Ste-Foy,Canada
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Posted: Tue Feb 16, 2010 2:21 am Post subject: |
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Pappy, what is the diff between Tuxonice and Gentoo-source, beside some optimization of some laptop feature like suspend to disk ? _________________ Sysadmin of Funtoo-Québec.org
Wiki
Signature
IRC on Freenode : #funtoo-quebec |
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Ormaaj Guru

Joined: 28 Jan 2008 Posts: 312
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Posted: Wed Feb 17, 2010 3:12 am Post subject: |
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| Ron Olsen wrote: | I too would like to thank Pappy for his hard work in setting up and documenting his kernel seeds.
I recently updated my 2.6.31-r6 x86 kernel using Pappy's seed, and the performance of my machine is a lot better. Reading Pappy's comments on various kernel config options has greatly increased my understanding of the kernel.
Thanks again, Pappy! | I'm actually not even using pappy's seeds, I use zen-sources from git and a kernel config I've evolved myself over the years through countless hours of <del>refinement</del> <ins>guessing</ins>. The documentation is absolutely invaluable though and has influenced a number of my settings.
In my humble opinion the most daunting barrier to getting Gentoo going on a new system is configuring the kernel. I can do a complete re-install of an existing system in a couple of hours, but a new install takes a week of research on the various busses, protocols, and miscellaneous features of an unfamiliar motherboard, and it is still a lot of guessing. I've scoured the internet for resources and supplemental information about various kernel options. Technical information is plentiful, but very few help to answer questions like: "What considerations are involved? Does this conflict with other options?", "Do I have hardware that supports this or is it for a 1024 chip server?", "What software uses this?", and eventually it all boils down to "Do I want to enable this?".
| pappy_mcfae wrote: | | I'll be even happier if I can ever make money with a book on the topic, or such. | Where do I preorder?  |
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pappy_mcfae Watchman


Joined: 27 Dec 2007 Posts: 5609 Location: Dallas
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Posted: Wed Feb 17, 2010 11:29 pm Post subject: |
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| d2_racing wrote: | | Pappy, what is the diff between Tuxonice and Gentoo-source, beside some optimization of some laptop feature like suspend to disk ? |
Tuxonice is vanilla except for the extended functions in the hibernation area. If you remove that part of the tuxonice kernel, and replace it with what you get from vanilla, you will have a vanilla kernel again.
Gentoo-sources differs from vanilla with the following (2.6.31 vs. 2.6.31-gentoo):
- Bad Block Relocation Device Target (EXPERIMENTAL)
- Support for the Framebuffer Console Decorations
That's what you can see. The patches show that they change the following files:
genpatches-2.6.31-1.base.tar.bz2 contains a different read-me, and genpatches-2.6.31-1.extras.tar.bz2 contains both above listed changes, and a patch for alpha machines.
So, the answer is there isn't much difference at all. Technically speaking, you could probably tack the tuxonice to the gentoo sources, and come up with a Franken-kernel of your own.
BB!
P _________________ SITE LIST:
Main: http://www.kernel-seeds.org
Mirror: http://kernel-seeds.bloodnoc.org/
Mirror 2: http://kernel-seeds.audiodef.com/
Mirror 3: http://www.elilabs.com/~pappy/ |
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pappy_mcfae Watchman


Joined: 27 Dec 2007 Posts: 5609 Location: Dallas
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Posted: Wed Feb 17, 2010 11:34 pm Post subject: |
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| pappy_mcfae wrote: | | Quote: | | I'll be even happier if I can ever make money with a book on the topic, or such. | Where do I preorder?  |
I don't know that, yet. I'm still in production on the thing, although, I'm betting I could probably find an interested publisher, especially if some one has already committed to buying a copy. This gives me reason to start shopping for publishers.
Thanks for that.
If you think the stuff already up is good, wait until you see the next two pages. They are amazing, at least to me. I never knew there were so many bloody devices in the world, much less so many device drivers crammed into one kernel. Amazing information.
Blessed be!
Pappy _________________ SITE LIST:
Main: http://www.kernel-seeds.org
Mirror: http://kernel-seeds.bloodnoc.org/
Mirror 2: http://kernel-seeds.audiodef.com/
Mirror 3: http://www.elilabs.com/~pappy/ |
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d2_racing Moderator


Joined: 25 Apr 2005 Posts: 12867 Location: Ste-Foy,Canada
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Posted: Thu Feb 18, 2010 3:39 am Post subject: |
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Thanks for the info Pappy  _________________ Sysadmin of Funtoo-Québec.org
Wiki
Signature
IRC on Freenode : #funtoo-quebec |
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pappy_mcfae Watchman


Joined: 27 Dec 2007 Posts: 5609 Location: Dallas
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pappy_mcfae Watchman


Joined: 27 Dec 2007 Posts: 5609 Location: Dallas
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cach0rr0 Moderator


Joined: 13 Nov 2008 Posts: 3849 Location: Houston, Republic of Texas
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Posted: Mon Feb 22, 2010 2:57 am Post subject: |
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| pappy_mcfae wrote: |
Tuxonice is vanilla except for the extended functions in the hibernation area. If you remove that part of the tuxonice kernel, and replace it with what you get from vanilla, you will have a vanilla kernel again.
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Asking this more for the benefit of the audience than myself, as I don't think the point has been made yet.
As a general rule, do you see any compelling reason to use tuxonice-sources over zen-sources, given that zen-sources includes tuxonice, and is generally more up to date otherwise?
I personally, do not. You get everything tuxonice-sources offers, and more, using zen.
Only in very specific cases where you only get stable performance from older kernels, or older tuxonice patches, could I see a real reason for using tuxonice-sources. _________________ Lost configuring your system?
dump lspci -n here | see Pappy's guide | Link Stash |
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Moriah Veteran


Joined: 27 Mar 2004 Posts: 1692 Location: Warsaw KY US
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pappy_mcfae Watchman


Joined: 27 Dec 2007 Posts: 5609 Location: Dallas
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Moriah Veteran


Joined: 27 Mar 2004 Posts: 1692 Location: Warsaw KY US
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Posted: Tue Feb 23, 2010 1:01 am Post subject: |
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So are you saying I should use zen instead of tuxonice for the laptop to get it to hibernate? Do you prefer any particular version, given that I am currently running 2.6.31-gentoo-r6 from gentoo-sources in x86_64 flavor?
If I do a emerge -s, I see: | Code: | * sys-kernel/zen-sources [ Masked ]
Latest version available: 9999
Latest version installed: [ Not Installed ]
Size of files: 0 kB
Homepage: http://zen-kernel.org
Description: The Zen Kernel Live Sources
License: GPL-2
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Since zen is masked, and tuxonice is not, I would tend to prefer tuxonice for a production machine. Also, since it shows version 9999, I gather it is unstable. However, since it shows "Size of files: 0 kB", I gather that I already have all the source files from gentoo-sources and tuxonice, so what do I have to gain by going to zen? _________________ The MyWord KJV Bible tool is at http://www.elilabs.com/~myword
Foghorn Leghorn is a Warner Bros. cartoon character. |
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pappy_mcfae Watchman


Joined: 27 Dec 2007 Posts: 5609 Location: Dallas
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Posted: Tue Feb 23, 2010 7:14 am Post subject: |
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Zen-sources are ~arch, so you would have to use /etc/portage/package.keywords to unmask. I have been using the .31 zen kernels to good effect. The .32 kernels are fairly ok as well, although they have an updated version of ALSA, which causes issues on one of my sound cards.
As long as things are going well with your gentoo-sources, you could go as high as 2.6.31-zen12, and you would lose nothing as there are, as far as I know, no crossovers from gentoo to zen sources.
BB!
P _________________ SITE LIST:
Main: http://www.kernel-seeds.org
Mirror: http://kernel-seeds.bloodnoc.org/
Mirror 2: http://kernel-seeds.audiodef.com/
Mirror 3: http://www.elilabs.com/~pappy/ |
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pappy_mcfae Watchman


Joined: 27 Dec 2007 Posts: 5609 Location: Dallas
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pappy_mcfae Watchman


Joined: 27 Dec 2007 Posts: 5609 Location: Dallas
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Gh0str1d3r Apprentice

Joined: 27 May 2008 Posts: 299
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Posted: Thu Feb 25, 2010 12:59 pm Post subject: |
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I am just building the new 2.6.33 seed and found a contradiction to your explanation at kernel-seeds.org:
| Code: |
Power management and ACPI options -> ACPI -> Container and Module Devices |
is switched on in that config, whereas you advise to switch it off. |
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pappy_mcfae Watchman


Joined: 27 Dec 2007 Posts: 5609 Location: Dallas
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cach0rr0 Moderator


Joined: 13 Nov 2008 Posts: 3849 Location: Houston, Republic of Texas
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Posted: Fri Feb 26, 2010 12:13 am Post subject: |
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| Moriah wrote: |
Since zen is masked, and tuxonice is not, I would tend to prefer tuxonice for a production machine. Also, since it shows version 9999, I gather it is unstable. However, since it shows "Size of files: 0 kB", I gather that I already have all the source files from gentoo-sources and tuxonice, so what do I have to gain by going to zen? |
The live zen sources (9999 builds) have a stable/unstable branch, which is controlled by a USE flag.
| Code: |
if use stable; then
EGIT_REPO_URI="git://zen-kernel.org/kernel/zen-stable.git"
else
EGIT_REPO_URI="git://zen-kernel.org/kernel/zen.git"
fi
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The 'stable' use is set by default. On my specific laptop hardware, 2.6.31-gentoo-r6 was an absolute nightmare. I had hard lockups at least once per hour, had to do the dance of pressing and holding the power button to turn it off.
2.6.30-gentoo-r[3-6] were fine. Haven't tried any of the 2.6.32-gentoo-*
Every zen-sources build I've done has been very stable. Right now I'm at 2.6.32-zen7 (latest from 'stable') and it has been bulletproof.
zen is one of those that is ~arch much moreso because of its unofficial nature, and inclusion of patches that aren't in mainline - rather, from what I can tell it being ~arch isn't a result of any functional instability, so much as it is the fact that it's very unofficial.
My systems will only ever see hardened-sources or zen-sources from now on, depending on their purpose (headless systems will be hardened-sources, anything with X will be zen-sources) |
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Moriah Veteran


Joined: 27 Mar 2004 Posts: 1692 Location: Warsaw KY US
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Posted: Fri Feb 26, 2010 4:01 am Post subject: |
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Well, I am running 2.6.31-gentoo-r6 from gentoo-sources, which is the same version as the one you said was a nightmare in zen, so tuxonice it will be.
I have spent the last 2 weeks in Florida with my 88 year old father, who is the geekiest grandpa on record, having 3 computers in the house, both 100baseT and 802.3g wifi running in his home. He did have some system issues with his router. I think it got hit by a power surge that scrogged some settings. I had to push the paper clip in the little reset hole on the back to get it in its right mind, then reconfigre everything.
Since his internet had been down for several months, all his updates were out of date, and some of his anti-virus software had expired. His printer was even out of ink, and his biggest machine was bluescreening due to unknown causes. It still bluescreens more often than not overnight, but seems to be crashing in the Microsoft firewall ipnat.sys code. Googling indicates that there are problems with the HP Solution center that comes with his color ink jet printer/scanner/fax, and that others have had this problem and HP has not fixed it since 2007. Why do people pay for this stuff when you can get good software for free?
Anyway, I am driving back to Kentucky starting tomorow morning. I had no time to try a new kernel on this trip, as we stayed busy driving around visiting other family members, and me fixing his network.
I will report back after I have a chance to try tuxonice and hibernation -- sometime next week, I hope. _________________ The MyWord KJV Bible tool is at http://www.elilabs.com/~myword
Foghorn Leghorn is a Warner Bros. cartoon character. |
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cach0rr0 Moderator


Joined: 13 Nov 2008 Posts: 3849 Location: Houston, Republic of Texas
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Posted: Fri Feb 26, 2010 7:04 am Post subject: |
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| Moriah wrote: | | Well, I am running 2.6.31-gentoo-r6 from gentoo-sources, which is the same version as the one you said was a nightmare in zen, so tuxonice it will be. |
Sorry 'bout that, reckon I was unclear (or mistyped, I haven't looked). It was a nightmare under gentoo-sources. Rather, the version you're running (2.6.31-gentoo-r6) caused me numerous hard lockups. The same build of zen did not give me any problems. If it works for you, though, then I would call it "correct" as one can be
That lockup situation is why I decided to switch from gentoo-sources and try out zen-sources, and I haven't looked back. _________________ Lost configuring your system?
dump lspci -n here | see Pappy's guide | Link Stash |
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