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 Forum index » Advanced Topics » Puppy Projects » Next Puppy Development » 5.x
dpup-482beta testing
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musher0


Joined: 04 Jan 2009
Posts: 4229
Location: Gatineau (Qc), Canada

PostPosted: Sun 21 Feb 2010, 08:47    Post subject:  

Hi, nooby.

"kernel panic" may refer to many things, mostly related to hardware compatibility, memory chips or quality of the copy of the files on the disc.

It can also mean that the kernel cannot find the proper next file to load. This file can be a file such as initrd or the puppy sfs or an internal driver the kernel thinks it needs for your hardware.

The fact that one kernel panic causes problems for two puppies makes me believe that your problem is on the disk -- either the disk itself needs checking or the files on it need checking. Probably the two files overlap somehow on the disk sectors.

I would suggest doing the general things as follows:

Boot into one of your working puppies -- or much better, boot this Puppy from its boot CD.

Make sure you have back-ups of all your important files, sfs, etc.
If not, make back-ups before you do the rest (below).

Go to the drive(s) where your sfs files are. For ex.,
cd /mnt/sda1 OR cd /mnt/home

Then, in console, use e2fsck

e2fsck --help
to get general idea of use

Check that all your copies of these files -- linux kernel files and puppy files -- are good. Again, defragment the files if necessary, but maybe making a fresh copy will be faster -- and you will be sure that the copies are good..

If you choose NOT to copy fresh copies of the files, use a command such as

e2fsck -p dpup[proper number].sfs

e2fsck -p dpupsave[your identifier here].2fs

When your files are repaired, check that they are in the proper place (top level of disk, or directory or sub-directory), where they are supposed to be. If not, MOVE them where they are supposed to be.

As to the internal drivers of the kernel, any Puppy kernel usually has a quite complete series of drivers built-in, so unless your hardware is "very-very" uncommon, you should be able to boot into the desktop fluidly.

Which is why I tend to say that the files that you mention have somehow been corrupted, perhaps by shutting down the computer manually in an emergency?

The other possibility would be that you have bad memory chips. This seldom happens, though. You would run a program named "memtest" to check that. There is also, usually, a way to get the BIOS to do this for you at boot.

But start with checking your files on disk with e2fsck first. This is more common.

A final thought: are you using the same savefile for all your puppies? This can be a big problem if the version of the puppies is not the same. I know for a fact that pulp puppy and dpup do not have the same "internals" and they are not of the same kernel version, so the savefile for one will most likely not be good for the other.

I hope this helps. Use care and caution. Remember the above may work or not work. Good luck.

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nooby

Joined: 29 Jun 2008
Posts: 10557
Location: SwedenEurope

PostPosted: Sun 21 Feb 2010, 09:17    Post subject:  

Quote:
Which is why I tend to say that the files that you mention have somehow been corrupted, perhaps by shutting down the computer manually in an emergency?

that one could be likely.

No I give them unique name all of them.

Something odd that I wonder about. I ahve some 4 or 5 puppies now that I have to decide on which one to use.

I am in NOP now and that one uses Opera while me had preferred FF3.6 or at least 3.5.7

Opera works but I am not used to it.

edit

Sorry me misunderstood the message. it says on front 47 meg free or 370 meg free. that is not the RAM memory that is the pupsavefile.

To get how much RAM one have one go into Terminal and write the word

free

and it says how much one have in total and how much free at the moment.

If one write

top

then it tells which process that takes most memory at the moment.

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Last edited by nooby on Mon 22 Feb 2010, 10:48; edited 1 time in total
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musher0


Joined: 04 Jan 2009
Posts: 4229
Location: Gatineau (Qc), Canada

PostPosted: Sun 21 Feb 2010, 10:05    Post subject:  

Hello, again, nooby.

Have you tried this, to reclaim memory ?

http://www.murga-linux.com/puppy/viewtopic.php?mode=attach&id=16349

Also, do you use a large enough swap file, or better, a swap partition ?

I know of NOP, but I have never used it, so I cannot help you there.
dpup is rather modest in memory requirements, if I remember correctly.

I am writing this in a modified / upgraded "mywolfe 0.08" and I get this memory usage when I type "free" in console:

Code:
-=-=-=-=-=-
              total             used            free           shared      buffers
  Mem:    1034324       693532       340792            0        43020
 Swap:    2574652            0           2574652
Total:      3608976       693532      2915444
-=-=-=-=-=-

and my machine has only one third of the RAM that your machine has... But I have a combination of swap file / swap partition.

As for me I have always preferred opera, I find it faster and more agile than FF, and it uses less memory. I also find it less confusing than FF, But it is a personal choice, of course.

Memory can be calculated in different ways, with or without the buffers, etc. So maybe the memory indication you get is partial.

Also, memory is not the only thing. I'd say to use the Puppy you feel most comfortable with, that looks better in your eyes, or that does the most things you need / like to do?

BFN.

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nooby

Joined: 29 Jun 2008
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PostPosted: Tue 23 Feb 2010, 12:02    Post subject:  

got the answer in other thread
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zenfunk

Joined: 18 Mar 2009
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PostPosted: Tue 02 Mar 2010, 08:20    Post subject:  

I tried to install java (runtime) in dpup, it should be in debian nonfree, but I can't find it there- what's wrong?
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ttuuxxx


Joined: 05 May 2007
Posts: 10747
Location: Ontario Canada,Sydney Australia

PostPosted: Tue 02 Mar 2010, 10:51    Post subject:  

zenfunk wrote:
I tried to install java (runtime) in dpup, it should be in debian nonfree, but I can't find it there- what's wrong?


Latest java you can get http://www.murga-linux.com/puppy/viewtopic.php?t=52740
ttuuxxx

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zenfunk

Joined: 18 Mar 2009
Posts: 221

PostPosted: Tue 02 Mar 2010, 11:17    Post subject:  

Quote:
Latest java you can get http://www.murga-linux.com/puppy/viewtopic.php?t=52740
Na, tried that one allready and it borked rox or the filesystem or whatever- had to remove it to get access to my filesystem again...

Nevermind, it just doesn't seem to be compatible with dpup, but thanks nonetheless.

Christian
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ttuuxxx


Joined: 05 May 2007
Posts: 10747
Location: Ontario Canada,Sydney Australia

PostPosted: Tue 02 Mar 2010, 11:26    Post subject:  

zenfunk wrote:
Quote:
Latest java you can get http://www.murga-linux.com/puppy/viewtopic.php?t=52740
Na, tried that one allready and it borked rox or the filesystem or whatever- had to remove it to get access to my filesystem again...

Nevermind, it just doesn't seem to be compatible with dpup, but thanks nonetheless.

Christian


strange it should of worked on all puppy versions.
ttuuxxx

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