Pappy's Kernel Seeds Part IV

pappy_mcfae · Posted: Wed Apr 18, 2012 6:06 am Post subject:

Moriah,

Yes, ACPI was turned on. I'm curious as to what that might be. Perhaps play with the individual parts of ACPI until you find the true offender, or turn on MSI to see if it is now willing to work.

I wish I could get my hands on that mobo to see what its general dysfunction is.

Cheers,
Pappy
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pappy_mcfae · Posted: Wed Apr 18, 2012 6:07 am Post subject:

Another day, and lots of hardened sources, plus a gentoo. I've just uploaded .configs for 2.6.32-hardened-r100, linux-3.2.15-hardened, 3.3.2-gentoo, and 3.3.2-hardened in both x86 and x86_64 flavors. Enjoy!

Cheers,
Pappy
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Moriah · Posted: Thu Apr 19, 2012 6:35 pm Post subject:

Pappy: I just had a crash using the config you put together, but with ACPI turned off. The dmesg is at:

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

Please take a look at it, if for nothing more than the mobo model number.

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NeddySeagoon · Posted: Thu Apr 19, 2012 7:01 pm Post subject:

Moriah,

Forbidden

You don't have permission to access /~rj/ezekiel.dmesg on this server.
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pappy_mcfae · Posted: Thu Apr 19, 2012 8:03 pm Post subject:

Same here.

Cheers,
Pappy
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Moriah · Posted: Thu Apr 19, 2012 8:17 pm Post subject:

Oops! Sorry, forgot to change the perms after I put it there. Now you should be able to fetch it. :oops:

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NeddySeagoon · Posted: Thu Apr 19, 2012 8:31 pm Post subject:

Moriah,

Whats this almost 60 sec wait for?

Moriah · Posted: Thu Apr 19, 2012 10:00 pm Post subject:

Neddy: I posted this a few days ago, but since it wound up on another page, I am reposting it here:

The lspci -n output is:

pappy_mcfae · Posted: Fri Apr 20, 2012 4:50 am Post subject:

From my experience, UDF issues are related to optical drives. There could also be an issue in the fact that the hard drives are setup in a different way, to whit:

Moriah · Posted: Fri Apr 20, 2012 5:09 am Post subject:

I only use the CD/DVD drive for booting from a liveCD for maintenence work. Since I usually administer this machine remotely, I keep a liveCD in the CD drive at all times, and select it as the boot device from the BIOS when I need to; other times I leave the USB drive as the boot drive and let it boot my convoluted way so I can run the root filesystem as an LVM snapshottable device on the encrypted 3-way RAID-0 mirror.

But to work on this weird kernel problem, I'll make a concession: I will reconfigure the machine to boot from a single drive with no raid and no encryption an no lvm. That single drive will have 2 partitions: a 50 MB boot partition, and a big root filesystem partition. That configuration will let us get to the heart of the kernel problem without the confusion of all that other fancy stuff. Once we get a stable kernel, then I can reconfigure with all that fancy stuff.

I am convinced that even that simple configuration will demonstrate the same problems, as I believe that it is kernel and driver related. Firmware and bios configuration may have something to do with it too, but I do not believe the raid, crypto, lvm, and usb-stick boot device has a thing to do with it.

BTW Pappy, this machine has *NEVER* had a properly stable linux kernel running on it, other than when it boots from a liveCD. I am running another, newer, gigabyte motherboard with an amd f8 cpu chip (8-core) in another machine, and I have had zero trouble with it. Once we get this problem child working, I will let you take a look at that machine's config, dmessg, etc., as you can probably tweak it a bit and make it even better. :wink:

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Moriah · Posted: Fri Apr 20, 2012 5:18 am Post subject:

Neddy: I think that wait is deliberate. I put sleeps in my init script in my initramfs so I can monitor the boot process visually. This is mainly to assist me in debugging the initramfs, etc., but since I do not boot very often, I leave the sleeps in the script even after I get it working. If anything goes haywire later, this helps me see what is going on.

Here is my init script:

Moriah · Posted: Fri Apr 20, 2012 3:47 pm Post subject:

I'm off to pick up a 1 GB 7200 rpm sata drive. I need it for a spare in an array on another machine anyway, but I will first use it to build a test system for the NEMESIS MACHINE ! :twisted:

This will be a simple straightforward "normal" configuration, as described 2 posts earleir. We can fiddle with this until we get it working properly, then I can prot what we leard to the real setup.

I will post again after I have a simple system built on this new drive, and at least booting on the NEMESIS MACHINE !
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pappy_mcfae · Posted: Fri Apr 20, 2012 4:49 pm Post subject:

Yes. This machine has been anything but cooperative. I will be very interested in how it works with a more "normal" setup.

Cheers,
Pappy
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NeddySeagoon · Posted: Fri Apr 20, 2012 5:40 pm Post subject:

Moriah.

pappy_mcfae · Posted: Fri Apr 20, 2012 8:06 pm Post subject:

In an attempt to perhaps clear a few things, boot off your boot CD, and post the locally created /var/log/dmesg. That should give a good idea of what is and isn't starting. Since the boot CD allows the machine to run in a more stable fashion, that might give an idea of what is and isn't loading, and when.

Cheers,
Pappy
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Moriah · Posted: Fri Apr 20, 2012 11:51 pm Post subject:

I got the 1 TB drive today. As per my usual policy, I do not use a new drive until I have run badblocks -wv /dev/sd_ on it to make sure I did not start with a problem. I am running badblocks on the new drive right now. It is running from a liveCD booted on the problem child. As soon as it finished (sometime tomorrow) I will post the liveCD dmesg.
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pappy_mcfae · Posted: Sat Apr 21, 2012 1:29 am Post subject:

Okay. It should prove interesting to see what the live CD has to say about what's going on with the machine.

Cheers,
Pappy
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Moriah · Posted: Sat Apr 21, 2012 9:43 pm Post subject:

OK, the dmesg from the livecd boot is here:

http://www.elilabs.com/~rj/livecd.dmesg

Hopefully this will explain a few things. :twisted:

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Moriah · Posted: Sat Apr 21, 2012 10:55 pm Post subject:

OK, I built as plain of a vanilla system as I could using Pappy's config that he linked to a few days back. The only think I did was to disable ACPI, then I built it on a 1TB sata drive with a 50M boot partition on /dev/sda1 and the rest of the drive on /dev/sda2. The /dev/sda1 is ext2, and the /dev/sda2 is ext3. I had to do the usual fiddle with udev to get the nics where I wanted them. Here is the dmesg:

http://www.elilabs.com/~rj/ezekiel.dmesg
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Moriah · Posted: Sun Apr 22, 2012 5:06 pm Post subject:

BTW Pappy, although I know that the way you configured the video frame buffer in the config you gave me shows more lines, and this makes it easier to see what happened when the system doesn't boot, once we get this thing working well enough, I want to switch back to the old frame buffer. The reason for this is that my ipeps (see http://www.adder.com/products/adderlink-ipeps for details) works better (has faster response) with the smaller frame buffer.
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pappy_mcfae · Posted: Sun Apr 22, 2012 6:07 pm Post subject:

Sorry I haven't gotten to your stuff yet. My car is in a state of probable death, and as you can understand, that's been occupying my thoughts. I'm going to give it the shakedown today, and see if I'm right, or just paranoid. I'll take a look at things later on this evening.

Wish me luck.

Cheers,
Pappy
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pappy_mcfae · Posted: Mon Apr 23, 2012 5:18 am Post subject:

My car is in need of a complete valve job, or head replacement. The timing belt slipped some teeth...and with an interference engine, that's never a good thing.

I have your dmesg posts, and I'll do some looking tonight before I go to bed. It's going to be interesting.

Cheers,
Pappy
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NeddySeagoon · Posted: Mon Apr 23, 2012 6:07 pm Post subject:

pappy_mcfae,

I hope it is only the top end. I've known holes in pistons, which is far more serious.
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Moriah · Posted: Mon Apr 23, 2012 10:25 pm Post subject:

Been there; done that -- many years ago with the holes in pistons routine. Total engine rebuild time, which is worth it if the car is a goodie, but not if the whole car is a total rust bucket. Being in Texas, I would imagine the rust is not too bad. The other option is an engine swap, but if its a used junk yard engine, then you never know what you are getting. Maybe its time to donate that car to your favorite charity and get another one.

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pappy_mcfae · Posted: Mon Apr 23, 2012 11:34 pm Post subject:

I will definitely know more when I take off the head tomorrow. I got the car numerous years ago when the original owner, get this, broke the timing belt while turning left. At that time, it took out four intake and four exhaust valves. At that time, there was no damage to the pistons, as the valves have very thin stems, and seem to be made to take the abuse, leaving the pistons unharmed.

This time, I'm thinking all sixteen valves have bent. I'm fairly sure that the pistons survived this time as well since the belt slipped while cranking. Even if I do lose a piston or two, I have lots of experience in doing in-car overhauls.

I had another Mitsubishi that had a bad piston. While I really should have replaced the motor in that car, it was cheap, as was the labor. Since I was working in a shop at the time, I had the benefit of a lift, and power tools. I don't have those advantages, but I do know how to gut motors while they're still in the car. I must say that it's wonderful to have the knowledge of things that run on gas, diesel, or electricity.

Wish me luck!

Moriah,

I'll be checking out the dmesg posts after I get done with my emails. They've been collecting for the last few days.

Cheers,
Pappy
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