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Pappy's Kernel Seeds Part IV
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Moriah
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PostPosted: Mon Apr 23, 2012 11:44 pm    Post subject: Reply with quote

I hope getting the pan off is easier in your car than any of the ones I have owned. I found it usually easier to just pull the engine and put it on a stand. Of course, I had access to a hoist and a stand, having a brother in law and a nepher who are total car nuts. 8)
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pappy_mcfae
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PostPosted: Tue Apr 24, 2012 1:21 am    Post subject: Reply with quote

As shot out as the motor mounts are, I don't think that's going to be an issue. I would laugh on that point, but it's not really that funny.

Cheers,
Pappy
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PostPosted: Tue Apr 24, 2012 6:15 am    Post subject: Reply with quote

Moriah,

I took a look at the dmesgs, and the only thing that really jumped up to say, "I'm not right" is the machine asking to enable IOMMU. I'm not sure if that might be the root of the issue, but it was in both dmesg postings.

I also noted that there is a newer BIOS available for the mobo. I would also recommend looking at the page for the motherboard. Specifically, it makes mention of the probability of downloading drivers from the chipset manufacturers under the "specifications" tab. I'm really not sure if that means anything, as I doubt the chipset makers are going to make running Linux on their stuff harder than it already is, but it might be worth checking.

The final idea I have is to find others who also have this mobo that have it running in a stable manner. I'm sure there are others who have found ways around the issues you're facing. It's just a matter of bending their eyes, and seeing what they have to say.

Cheers,
Pappy
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PostPosted: Tue Apr 24, 2012 6:53 am    Post subject: Reply with quote

Even a broken car can't stop the flow of kernel seeds. I've just uploaded .configs for 3.0.29, 3.0.29-gentoo, 3.2.16, 3.2.16-gentoo, 3.3.3, and 3.3.3-gentoo in both x86 and x86_64 flavors. Enjoy!

Cheers,
Pappy
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Moriah
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PostPosted: Tue Apr 24, 2012 9:03 pm    Post subject: Reply with quote

I checked the bios, and there is nothing in there about IOMMU, so maybe a bios upgrade is in order. I will be looking into that, probably tomorrow, as I am occupied tonight with non-computer stuff.
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PostPosted: Wed Apr 25, 2012 5:35 am    Post subject: Reply with quote

No problem. I got the head off, and all the intake valves look pretty fried. The exhaust valves look like they made it through in an unscathed fashion. I will do a bit more looking tomorrow to be sure. The pistons all have small strike marks where the valves hit, but they just scraped carbon in the valve dimples, nothing more.

I figured as much. Believe it or not, the valves were in much worse shape when I got it originally. Only a couple of the valves look really deformed. The others almost look like they could hold compression. The first time, four intake and four exhaust looked like they'd been through hell and back. I may opt for just doing a valve job, as valves are cheap, like two bucks a pop.

Hope all goes well in the BIOS update department.

Cheers,
Pappy
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Moriah
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PostPosted: Wed Apr 25, 2012 3:24 pm    Post subject: Reply with quote

I used to work at an auto supply when I was in high school and college. I had free access to all the tools in back. A valve job is a piece of cake if you've got the right tools.
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Moriah
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PostPosted: Wed Apr 25, 2012 3:28 pm    Post subject: Reply with quote

BTW, that NEMESIS MACHINE is still running fine with your config and ACPI turned off. I still haven't had time to flash the new bios on it yet. I'm getting ready to start a new contract in Cleveland, so it would be nice to get the bios done before Monday. I'm thinking about repopulating the 3-way raid-1 mirror and running the same config again. What do I loose without ACPI? I know it won't "reboot" by console command, it just shuts down and sits there, but I can live with that, as I have remote power control to force a reboot.
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Moriah
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PostPosted: Thu Apr 26, 2012 2:58 am    Post subject: Reply with quote

I flashed it bios this evening on the NEMESIS MACHINE. I then reset the bios, as required after a re-flash, and configured it as before. I then booted the "normal" system, and it came up fine, so I bravely went into menuconfig and turned on ACPI, and also looked at the bios ACPI settings. After a kernel build, I rebooted, and VOILA! It booted and came up running fine. Apparently the bios upgrade fixed the ACPI problem. :D

I have put the .config and the dmesg at

https://www.elilabs.com/~rj/ezekiel_ACPI.config

and

https://www.elilabs.com/~rj/ezekiel_ACPI.dmesg

accordingly for your viewing pleasure. 8)

Now, on to the next machine, hophni, which has not given me any trouble, but I would like for the all-knowing Pappy to please audit the .config and the dmesg, so they are at:

https://www.elilabs.com/~rj/hophni.config

and

https://www.elilabs.com/~rj/hophni.dmesg

Thanks for all your help! :D
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pappy_mcfae
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PostPosted: Thu Apr 26, 2012 4:50 am    Post subject: Reply with quote

I used to be a professional mechanic. While a valve job is a bit cheaper, I want to make sure that the car will last me a few more years. As soon as the cash flow comes, I'm just going to replace the head. While I installed it and just removed it with great care, it would probably need to be planed, if only to get rid of the head gasket remnants. I'm not so worried about the block. It's cast iron, so the zip of a wire brush won't be too hard on that, and won't take it away from being level. Too bad aluminum doesn't hold up as well under heavy abrasion.

As for the Nemesis Machine, Booyah! It's about time it got whipped into shape. As for what ACPI does, as well as allowing you to do the one-button power down, it also allows for other software-based power controls. like sleep and fan control, to operate. While that's not really important for a machine that runs headless and alone, even a machine of that type will have functions that ACPI makes operate.

I'll check out the other .config/dmesg later on tonight. I have some kernel seeds that I probably should have made last night, but I ran out of time and into almost becoming comatose at the keyboard. Even I have my limits... hehehehe.

Cheers... and congrats on getting the NM in working order.
Pappy
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PostPosted: Thu Apr 26, 2012 7:12 am    Post subject: Reply with quote

I truly love the devs at hardened-sources. They make sure I have seeds to produce at least once a week. For the observant, that would mean I just uploaded .configs for 2.6.32-hardened-r101, 3.2.16-hardened, and 3.3.3-hardened in both x86 and x86_64 flavors. Enjoy!

Cheers,
Pappy
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PostPosted: Thu Apr 26, 2012 7:18 am    Post subject: Reply with quote

Moriah,

I've got the hophni information. I'll check it out tomorrow. That comatose feeling is coming on me again.

Cheers,
Pappy
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Moriah
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PostPosted: Fri Apr 27, 2012 3:01 am    Post subject: Reply with quote

BAD NEWS
Ezekiel, the "NEMESIS MACHINE", has crashed! :o :x :cry:

I have been out and so I am not sure when it crashed, but here is the console screen after the crash:

http://www.elilabs.com/~rj/ezekiel.crash

Do you see anything that could give us a clue what happened? :?:
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pappy_mcfae
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PostPosted: Fri Apr 27, 2012 5:18 am    Post subject: Reply with quote

It looks to me as if there is a lot more that isn't showing. I had a similar issue while running a 3.2.x kernel on this machine, and attempting to send web files out to the mirrors, and even to the main site here in the room.

It seemed to me that this was caused by the fuse module. This is because I was moving files using sshfs-fuse when the error occurred. I'm not sure if you're using anything that requires fuse. If not, you could remove it from the .config, and retry.

My advice, if that doesn't work, would be to move to 3.1.10 (vanilla), or the latest 3.1 gentoo version and see if that helps. If it clears the issue, then try moving up to 3.3 version kernels. I have noted that the 3.3.x kernels have been quite stable. I am still waiting for a bug repair (ndiswrapper) so I can use the 3.3.x kernels on this machine. Since I use it most often, I am very used to how it operates, and I know immediately when it's not up to par.

The next time it happens (if it happens), boot from the CD, and capture the /var/log/dmesg and /var/log/messages files to see if they have anything to say. That would take it from guesswork to educated guesswork.

Cheers,
Pappy
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Moriah
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PostPosted: Fri Apr 27, 2012 3:10 pm    Post subject: Reply with quote

Well, I need to tell you that it is no longer running the "normal configuration" of a single 1 tb sata drive with a 50 mb boot partition under ext2 and the rest as a root fiesystem partition under ext3; it is back to a 3-way raid-0 mirror that is luks encrypted and not partitioned, but running lvm directly on the decrypted device manager device, and all booted from an initramfs, just like before we start troubleshooting this monster a couple of weeks ago.

This is driving me CRAZY !!! :evil:
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PostPosted: Fri Apr 27, 2012 5:53 pm    Post subject: Reply with quote

Moriah,

That paging request at 0xff..f8 is an address at the top of RAM. In fact, the BIOS will be at that location.
Its actually one of a group of 16 (0x10) special locations at the top of the BIOS used during startup.
I forget what that location is used for and I don't have a CPU datasheet to hand.

Anyway, it indicates a hardware issue of some kind.
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Moriah
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PostPosted: Fri Apr 27, 2012 6:29 pm    Post subject: Reply with quote

Yeah, that looked like a pretty funky address to me also, but whether that is the pysical address or the virtual address I did not know. If virtual, it could be just a bad pointer dereference. I think this box iready for a new mother board. This one has given me fits for 2 years. I don't think it is the power supply, as I have replaced that, and I had flakiness before I changed it too. I did have a very slightly flaky memory module, but I have replaced all the memory.

I think I'm going to pull all the drives and the hot swap backplane out of it and send the whole thing down to Pappy for a post mortem, and let him keep it to cannabalize parts off of. :twisted:
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PostPosted: Fri Apr 27, 2012 10:09 pm    Post subject: Reply with quote

:sharpening cannibal flatware: MMMM! I love cannibalizing mobo's with bad attitudes!

Just kidding.

I'd suggest moving to a 3.1 kernel really quickly. Take the .config you've been using, and do a make oldconfig to bring it down. While kernel.org has called for end of line on the 3.1 series, I have found it to be very stable. If your error/crash repeats, then I definitely agree that it's a hardware issue.

I say that only because I had a weird error with this machine. This machine is incredibly stable. Whenever I run into something that causes serious errors, I take note. On three separate occasions, this machine crashed hard running 3.2.12. Each time, after switching back to the 3.1.10 kernel, the errors went away.

This error was like no other. The machine would drop out of X, then run something in the neighborhood of five to six pages of error messages in CLI mode, followed by a kernel panic with flashing lights on the auxiliary keyboard.

Cheers,
Pappy
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PostPosted: Sat Apr 28, 2012 1:00 am    Post subject: Reply with quote

I will try to get a 3.1.10 kernel going on it tonight. :mrgreen:
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Moriah
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PostPosted: Sat Apr 28, 2012 2:32 am    Post subject: Reply with quote

HELP! I can't seem to emerge -pv =gentoo-sources-3.1.10 for an x86_64.
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PostPosted: Sat Apr 28, 2012 6:33 am    Post subject: Reply with quote

It's a Friday, and what am I doing? If you said, "making seeds," you would be correct. I've just uploaded .configs for 3.0.30, 3.3.4, and 3.3.4-gentoo in both x86 and x86_64 flavors. Enjoy!

Cheers,
Pappy
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PostPosted: Sat Apr 28, 2012 6:39 am    Post subject: Reply with quote

Here's the ebuild for 3.1.10 vanilla:

Code:
# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-kernel/vanilla-sources/vanilla-sources-3.1.10.ebuild,v 1.1 2012/01/19 14:34:03 mpagano Exp $

EAPI="2"
K_NOUSENAME="yes"
K_NOSETEXTRAVERSION="yes"
K_SECURITY_UNSUPPORTED="1"
K_DEBLOB_AVAILABLE="1"
ETYPE="sources"
inherit kernel-2
detect_version

DESCRIPTION="Full sources for the Linux kernel"
HOMEPAGE="http://www.kernel.org"
SRC_URI="${KERNEL_URI}"

KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86"
IUSE="deblob"


If you're not running ~arch, you'll have to add 'sys-kernel/vanilla-sources-3.1.10' to your /etc/portage/package.unmask file. If you are running arch, it should be fairly straightforward.

Cheers,
Pappy
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Moriah
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PostPosted: Sat Apr 28, 2012 2:44 pm    Post subject: Reply with quote

I take it then that there is no gentoo-sources in 3.1.10 ?

What is missing from vanilla that is in gentoo-sources? I want to make sure its nothing that I need. :wink:
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PostPosted: Sat Apr 28, 2012 2:47 pm    Post subject: Reply with quote

It is right there: [-P-] [ ] sys-kernel/gentoo-sources-3.1.10-r1:3.1.10-r1
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PostPosted: Sat Apr 28, 2012 2:50 pm    Post subject: Reply with quote

Aha! It was the "-r1" that I was missing. Thanks! :D
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