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pappy_mcfae
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PostPosted: Wed Feb 23, 2011 6:48 pm    Post subject: Reply with quote

Audiodef,

I have no doubts that I'm a member of a few watch lists. It has to be seriously disappointing for some of those folks that all I do with my web space is store Linux kernel configuration files. No scurrilous photos, no seditious writings.

Of course, my facebook writings are something else entirely...hehehehe

Cheers,
Pappy
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audiodef
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PostPosted: Wed Feb 23, 2011 6:57 pm    Post subject: Reply with quote

Oh, those bored off their tits nutters and their watch lists. Reminds me of an article I read about encrypting email. The gist of it was it's easy, everyone should do it, and we should all make those NSA servers put in some serious overclocking to discover...

grandma's secret chocolate-chip cookie recipe.
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Moriah
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PostPosted: Wed Feb 23, 2011 7:57 pm    Post subject: Reply with quote

audiodef:

The grandma that makes the best choc chip cookies does not use a recipe! If you ask her for it, she will just tell you, "Well, I guess you'll just have to watch me make 'em."

Pappy:

I will try to get that graph going, most likely over the weekend.
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pappy_mcfae
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PostPosted: Thu Feb 24, 2011 12:38 am    Post subject: Reply with quote

Moriah,

Thanks for the effort. I truly appreciate it.

Audiodef,

Encrypting email. Hmm...that definitely has merit.

Everyone,

The hardened-sources folks released a few new sources, and as a result, I've uploaded .configs for 2.6.32-hardened-r38 and 2.6.37-hardened-r3 in both x86 and x86_64 flavors. Enjoy!
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audiodef
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PostPosted: Sat Feb 26, 2011 1:51 am    Post subject: Reply with quote

Moriah: I'll just have to tell the NSA to watch me make my cookies, then!

Pappy: Thunderbird + Enigmail. It does NOT get easier than that. It's even easier if you can get the people you correspond with to use Thunderbird + Enigmail. I think Enigmail is PGP.
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pappy_mcfae
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PostPosted: Sat Feb 26, 2011 6:32 am    Post subject: Reply with quote

Another day, another batch of source. I've just uploaded .configs for 2.6.37.2 and 2.6.37-gentoo-r1 in both x86 and x86_64 flavors. Enjoy!

Cheers,
Pappy
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cach0rr0
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PostPosted: Mon Feb 28, 2011 8:32 am    Post subject: Reply with quote

2:30AM Texas time, unable to connect from 75.148.243.89

failovers are fine, no dramas, just thought I'd pop in and let you know.
made sure to try before the sync, in case it was load-related.

It was up and happy around midnight, dont know when it cut out
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d2_racing
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PostPosted: Mon Feb 28, 2011 1:17 pm    Post subject: Reply with quote

Pappy, just a quick info to say that the latest git-sources include de 200 magics line to have a good response even when you load average is 65 65 65 :P

Code:

Section General stuff
[*] Control Group support
     [ ]   Example debug cgroup subsystem
     [*]   Namespace cgroup subsystem                                                                               
     [*]   Freezer cgroup subsystem                                                                           
     [*]   Device controller for cgroups                                                                         
     [*]   Cpuset support                                                                                         
     [*]     Include legacy /proc/<pid>/cpuset file                                                               
     [ ]   Simple CPU accounting cgroup subsystem                                                               
     [ ]   Resource counters                                                                                     
     -*-   Group CPU scheduler  --->                                                                         
    <*>   Block IO controller                                                                           
          [ ]     Enable Block IO controller debugging
[*] Automatic process group scheduling


My Quad core was a 100% and my load average with htop was 65,65,65.

I was compiling a lot of stuff and I was watching a movie too :P

No lagg at all :P

That feature is not included inside the vanilla-sources 2.6.37 yet.
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pappy_mcfae
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PostPosted: Tue Mar 01, 2011 8:11 am    Post subject: Reply with quote

d2_racing,

Which source has it? If not a source, do you have a URL for the patch?

Everyone,

The hardened-sources folks seem to enjoy releasing new stuff. I've just uploaded .configs for 2.6.32-hardened-r39 and 2.6.37-hardened-r4 in both x86 and x86_64 flavors. Enjoy!

Cheers,
Pappy
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d2_racing
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PostPosted: Tue Mar 01, 2011 1:29 pm    Post subject: Reply with quote

Try the latest git-sources from the portage tree :P

No need to patch, only enable what I posted.

That thing is pretty awesome :P
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pappy_mcfae
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PostPosted: Wed Mar 02, 2011 6:14 am    Post subject: Reply with quote

How is it for stability? I will most likely check it out some time this weekend. I'm hoping to get my car working again Saturday. Two weeks with a broken car sucks!

Cheers,
Pappy
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pappy_mcfae
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PostPosted: Fri Mar 04, 2011 8:36 am    Post subject: Reply with quote

Two related kernel.org releases in two days. Can it be? Apparently so, as I've just uploaded .configs for 2.6.32.30 and 2.6.32.31 in both x86 and x86_64 flavors. Enjoy!

Cheers,
Pappy
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d2_racing
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PostPosted: Fri Mar 04, 2011 2:09 pm    Post subject: Reply with quote

pappy_mcfae wrote:
How is it for stability? I will most likely check it out some time this weekend. I'm hoping to get my car working again Saturday. Two weeks with a broken car sucks!

Cheers,
Pappy


Stable for my concern, no crash and I tested this just to be sure :

Code:

# MAKEOPTS="-j65" emerge -v glibc


No lagg and I was watching a full HD movie too :P.

My top load average was 65,45,34
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pappy_mcfae
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PostPosted: Fri Mar 04, 2011 7:01 pm    Post subject: Reply with quote

Interesting. I might play with that source later on today.

Cheers,
Pappy
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pappy_mcfae
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PostPosted: Mon Mar 07, 2011 7:51 am    Post subject: Reply with quote

Unfortunately, my file server had some issues. They were cleared, but not until about an hour ago. That means I still haven't tried the git sources. I'll hopefully get to it Tuesday.

There were some new sources in portage to day. I've just uploaded .configs for 2.6.32-gentoo-r27, 2.6.32-hardened-r40, and 2.6.37-hardened-r5 in both x86 and x86_64 flavors. Enjoy!

Cheers,
Pappy
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pappy_mcfae
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PostPosted: Tue Mar 08, 2011 7:02 am    Post subject: Reply with quote

New sources at kernel.org means new seeds. I've just uploaded .configs for 2.6.32.32 and 2.6.37.3 in both x86 and x86_64 flavors. Enjoy!

Cheers,
Pappy
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PostPosted: Fri Mar 11, 2011 5:47 am    Post subject: Head up regarding Big Kernel Lock and vmware-modules Reply with quote

Hey Pappy!

With the 'elimination' of the BKL starting with the 2.6.37 series, the kernel is supposed to run more efficiently. However, the BKL is still available for those who need it at:

Kernel hacking ===> [ ] Big Kernel Lock.

This is a new kernel setting. It will set both
CONFIG_BKL=y
CONFIG_LOCK_KERNEL=y

By default, it should be off.

So far, I've only found one instance of needing it. That is for 'vmware-packages-1.0.0.25'.

If I've read the relevant posts at vmware and on gentoo correctly, this only applies to people running vmware-workstation (or equivalent level release for other vmware software) 6.5.X and back. Apparently vmware has update the version of vmware-modules used for vmware-workstation-7.X. Maybe. I don't have 7.1 so I cannot confirm that.

More info can be had at: gentoo bug# 349649

FWIW - neither 'virtualbox-modules' nor 'cdfs' {both have externel kernel modules} need this.

People who use other packages which create external kernel modules should be alert for this issue.

edit - right bug number - wrong link -- link fixed
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Last edited by dufeu on Fri Mar 11, 2011 4:03 pm; edited 1 time in total
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pappy_mcfae
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PostPosted: Fri Mar 11, 2011 5:57 am    Post subject: Reply with quote

Your link talks about php, not bkl. I thought that BKL was still required for reiserfs3. Has that changed as well?

Cheers,
Pappy
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dufeu
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PostPosted: Fri Mar 11, 2011 4:23 pm    Post subject: Reply with quote

pappy_mcfae wrote:
Your link talks about php, not bkl. I thought that BKL was still required for reiserfs3. Has that changed as well?

Link fixed - Eyes were tired and mild dyslexia struck again.

Re: reiserfs3 - I don't know.

Having said that, the kernel announcement regarding the BKL was that it was no longer needed in the kernel at all. i.e. The implied assertion was that all of the 'in-tree' references to BKL had been removed. Since reiserfs3 is 'in-tree', I would initially think that reiserfs3 no longer needs the BKL. However, if I were a user of reiserfs3, I would test this to be certain.

Now-a-days, I'm only using ntfs (ntfs-3g), vfat, nfs, cifs, ext3, ext4 and btrfs. Someone else will have to confirm regarding any other file system.

For my normal configuration which includes all of the above file systems plus radeon and nouveau (FOSS driver versions - not ati-drivers nor nvidia-drivers), nothing showed up in the kernel needing BKL. It was only the 'vmware-modules-1.0.0.25' package which had a problem. And even there, it was only vmmon.ko which choked. vmnet and the other external modules built fine.

Right now, it really does look like only 'out-of-tree' modules might still need the BKL. Those will need to be checked on a case by case basis.

I imagine the digicom serial port drivers, proprietary graphics drivers and proprietary attached devices would be the items most at risk for needing the BKL.
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Last edited by dufeu on Fri Mar 11, 2011 4:39 pm; edited 1 time in total
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PostPosted: Fri Mar 11, 2011 4:23 pm    Post subject: Reply with quote

stupid double post
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PostPosted: Sat Mar 12, 2011 4:58 am    Post subject: Reply with quote

Hey Pappy, thanks for your kernel seeds. I just got my first 64 bit system, so I've been checking my new configs against yours. Very handy resource.

I noticed on your Bus Options page, with regard to PCI hotplug you say:
Quote:
These settings are for exotic machinery; blade servers, and the like. For this subsystem to work, there are also required userspace tools. If you have machines of this sort, then turn this on. These settings default to off, and are not required by standard desktop/laptop systems.

According to my reading (eg. here) this info is outdated... newer laptops are dumping PCCard/Cardbus support in favour of ExpressCard, which requires PCI hotplug. My new laptop (a lenovo W510) doesn't have a Cardbus bridge, which leads me to suspect that it only supports ExpressCard. I could be wrong here... please let me know if I am. Anyway, thanks again.
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pappy_mcfae
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PostPosted: Sat Mar 12, 2011 7:39 pm    Post subject: Reply with quote

I will be honest and say, "I don't know the specifics of your machine. Therefore, anything I said would be a pure guess." If you have the new card subsystem, and that's what it takes to make it go, then by all means, set things up as they work.

The whole page is a little behind. I do have plans to update the page...but I don' t have a time frame for doing so as of yet.

Cheers,
Pappy
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PostPosted: Mon Mar 14, 2011 7:49 pm    Post subject: Reply with quote

Pappy, you are recommending to disable PID Namespaces

http://code.google.com/p/chromium/wiki/LinuxSUIDSandbox

Not all kernel versions support CLONE_NEWPID. If the SUID helper is run on a kernel that does not support CLONE_NEWPID, it will ignore the problem without a warning, but the protection offered by the sandbox will be substantially reduced. See LinuxPidNamespaceSupport for how to test whether your system supports PID namespaces.

So users of chromium are rather recommend to at least keep PID Namespaces
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PostPosted: Tue Mar 15, 2011 12:01 am    Post subject: Reply with quote

Jimmie: 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?
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pappy_mcfae
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PostPosted: Tue Mar 15, 2011 5:13 am    Post subject: Reply with quote

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
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