Ok, I have an "interesting" update on this.

So the KP I reported below is NOT to do with the second core being started,
it just so happened that after I stopped the second core as per a bugzilla
report I read somewhere as I slowly went insane, the installer decided
randomly to complete.

The next problem I encountered was copying a 3.9Gb file from usb to my home
area, basically my aim is to build a kvm hypervisor to practice for my
RHCSA exam. This explains the 3.9Gb file, being the DVD image of SL6.0 to
be used for the vm kicks.

about halfway through this file copy i got another kernel panic, which,
after a few attempts, actually corrupted the lvm volume forcing me to
rekick (again) that failed randomly numerous times so I decided just to
test, I'd rekick the box with Mint10 which I knew installed fine
previously, that kernel panicked as well....this is ODD......

THE MORAL OF THE STORY

Remember what has physically changed (I installed new memory modules)
....<< yeah i forgot that bit..

Took out the new modules, and mint booted fine, no problems, no kernel
panics.

To test also that it wasnt hard drive related, I created a large file with
the follwoing command (dont run this)

dd if=/dev/zero of=bigfile bs=1024 count=[replacethiswithverybignumber]

I control-C'ed at nearly 9Gig so that was all good, deleted the file
"bigfile"

after install I shutdown the computer, took out the old GOOD ram, and
replaced it with the new BAD ram, but remember I dont know this for sure
(yet) its just a theory.

I booted into mint's grub menu, and found Memtest86+

I ran that and, so far, as of this writing, it has counted 5 million +
errors, every address has failed so far, no passes. Zero.

That probably explains the kernel panics now. You wont believe how many
rekicks I've done over the last 48 hours on this damn thing, I swear my
hair line has receeded a further inch just since yesterday,

So in conclusion,

Was it actually the second core causing SL6 to blue screen? Probably not.

Should you always run Memtest86+ on new memory modules? YES always!!

Should you beat a dead horse for 48 hours before realising is probably is
actually dead instead of doing something simple like check its pulse,
first? Absolutely

Do I feel like a pratt? Definately. :)


Lol, night folks, hope this was entertaining and informative.

- Rich










On 18 April 2012 14:26, Richard Forth <richard.fo...@gmail.com> wrote:

> Hi,
>
> Just to warn everyone of an issue in RHEL 6.0 (Scientific Linux 6), where
> mke2fs on lvm filesystem causes kernel panic, the solution was to turn off
> one of the cores in bios in a Core2 duo machine. After this, setup finished
> with no errors, I was also able to turn on the second core after the reboot
> when installation finished, with no errors.
>
> This may or may not be useful but worth putting out there.
>
> - Rich
>
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