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Kernel panic after "Performing switch root..."
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Antipodal

Joined: 26 Mar 2009
Posts: 142
Location: The other side of the world

PostPosted: Tue 30 Nov 2010, 17:01    Post_subject: Answering Shep's last post
Sub_title: Answering two of the three subjects. The last subject shall be answered in my next post
 

Dear Sir:
Thank you for your time and for your comments.
I have found three main subjects in your last post.

Regarding the first subject I must say that following your request I’ve searched for .sfs files in my hard disk and found that the only file with that ending is PUP_412.SFS
That doesn’t seem strange to me because I’m sure that from the first to the last time I used Puppy, every time I was done with it, I clicked on the following path:
Menu-->Shut Down-->Power off-computer
And when the Puppy screen with the following message appeared
Quote:
You have booted off a live-CD or DVD, and you can now save your personal settings and files to a USB Flash drive, Zip drive, floppy disk, or any hard drive partition (including NTFS). The session will be saved as a single file, named pup_save.2fs, which has an ext2 filesystem inside it.

However, if you have burnt the CD/DVD as multisession (not closed), then sessions can be saved as additional tracks to the CD/DVD -- each saved session will appear on the CD/DVD as a directory with all the saved files in it, not as a single file. THIS IS STILL EXPERIMENTAL

Select <SAVE TO FILE> (just press ENTER key) to choose a partition to save the session as file pup_save.2fs...
Select <SAVE TO CD (TAB then ENTER) to save session to CD/DVD (multisession) (Experimental)...
Select <DO NOT SAVE> to shutdown without saving session...
I’m almost sure I always chose the <DO NOT SAVE> option because I feared mixing things of two different OS.
On the other hand, I’m almost sure that each time I shifted from XP to Puppy I had to choose the mouse I would use, I’m absolutely sure I had to choose the keyboard layout, between Xorg and Xvesa, and the video mode. I’m also absolutely sure that each time I shifted from XP to Puppy I had to use the Internet Connection Wizard until a sign that said
Quote:
NETWORK CONFIGURATION OF eth0 SUCCESSFUL!
The configuration was not saved for next boot.
If there are no more interfaces to setup and configure, just click done to get out
appeared, and that when this happened I always clicked on Done

Regarding the second subject, I apologize Embarassed for not knowing how to emphasize enough something that I have explained in previous posts (Sun 07 Mar 2010 17:08 and Thu 25 Nov 2010 14:07):
Since the first days of February 2010, with the DVD in the drive, when I switch on the computer, the Puppy screen doesn't appear.
Instead of that, one of these two things occur:
a) The system boots smoothly into XP
b) The system starts booting into XP but suddenly shuts down


Please, Embarassed excuse me for insisting, but the screen that should say
Quote:
Puppy Linux 4.1.2

Just wait 5 seconds for normal startup!
Or if you need particular boot options, type puppy then a space, then each boot option. Some boot options:

acpi=off Default on for PCs>2001, may give boot/shutdown probs.
loglevel=<n> Bootup verbosity. 7 is high verbosity for debugging.
pfix=ram Run Puppy totally in RAM ignore saved sessions,
pfix=<n> number of saved sessions to ignore (multisession - CD),
pfix=nox commandline only, do no start X,
pfix= copy copy pup_xxx.sfs to RAM (slower boot, faster running),
pfix=noram do not copy pup_xxx.sfs to ram (Puppy may override ),
pfix: fsck do filesystem check on pup_save ( and host part. if ext2),
pfix=clean file cleanup (simulate version upgrade),
pfix=purge more radical file cleanup ( to fix broken system),
pfix=rdsh for developers only ( initramfs shell),

Examples:
puppy acpi=off pfix=2 Ignore ACPI, blacklist last 2 saved sessions.
puppy pfix=nox, ram Run in RAM, do not start X.
is not appearing since the first days of last February!!!

Regarding the third subject
Shep wrote:
Also, I don't think you answered when I asked is there any reason why you can't use windows to download a current version of puppy and burn it to a DVD?
In the first place I want to thank you for this question.
You made a good point.
Though you and others have made questions that are quite close to this one, none of them were put forward in these terms.
I once more apologize Embarassed , but because the answer is rather complex and I must now meet some postponed obligations I will answer it in my next post.

Best regards.

Edition(4-12-2010):I corrected where it said 2009. It now says 2010

Edited_time_total
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jyore


Joined: 06 Nov 2010
Posts: 43

PostPosted: Tue 30 Nov 2010, 18:08    Post_subject:  

and the saga continues...feels like Star Wars all over again...

I'd like to take a step back just to verify and lay everything back out on the table for us all to see, because at this point there has been many ideas, that have been tried for a very long time, and things are getting repeated and misunderstood. The OP seems to be getting a little frustrated, which is understandable at this point (please correct if any of this is wrong):

====CURRENTLY====
1) It never boots to Puppy AT ALL
2) The OP can not remember EVER giving the <Save File> option on shutdown
3) The OP could not find a .2fs or .3fs file, but did find an .sfs file
4) The OP has not tried a bootable USB drive or a fresh DVD burn
5) The OP has confirmed the new hardware works in Windows
================

Ok, so now that that is done. Let me see what I can think up Razz

For (1), I still believe this is some problem with the drive reading the Puppy disk, or at least that it is a bootable device. As I said before, if it is booting from the DVD, you will not see the Windows screen, the DVD drive's light will be on/flash, and the disk will continue to spin until everything has been loaded into RAM

For (2), This could be the root cause of the original issue. Suppose the last time you maybe did click the save file and it saved to a partition. When Puppy loaded the next time, the drives or partitions were not set up the same (maybe a USB stick or some other media device was removed or in a different place) and it could not find the sfs file. Puppy then would go into Kernel Panic with failure to switch root error...

For (3), Perhaps the sfs file was saved as sfs instead of 2fs or 3fs?

For (4), Is there a specific reason preventing you from trying a new DVD or a USB? At this point, it seems like a good sanity check to say the least.
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Shep

Joined: 08 Nov 2008
Posts: 851
Location: GIRT-BY-SEA

PostPosted: Tue 30 Nov 2010, 23:51    Post_subject: Re: Answering Shep's last post
Sub_title: Answering two of the three subjects. The last subject shall be answered in my next post
 

Antipodal wrote:
I’ve searched for .sfs files in my hard disk and found that the only file with that ending is PUP_412.SFS

Use windows to delete it. It is serving no purpose. It could be the problem, and in any case, will be automatically recreated when needed.

Quote:
each time I shifted from XP to Puppy I had to choose the mouse I would use, I’m absolutely sure I had to choose the keyboard layout, between Xorg and Xvesa, and the video mode. I’m also absolutely sure that each time I shifted from XP to Puppy I had to use the Internet Connection Wizard until

I reckon you deserve some sort of award! Something like the PATIENT PUPPY Award for PERSISTENCE! Cool
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Antipodal

Joined: 26 Mar 2009
Posts: 142
Location: The other side of the world

PostPosted: Fri 03 Dec 2010, 15:35    Post_subject: Trying to keep my word
Sub_title: Disclosing some of the reasons that have prevented me from burning another ISO to a CD.
 

Though I would like to, I'm not sure I will be able to download correctly a version of puppy and burn it to a DVD using XP.

Remember that the Live DVD that I was using until the problem emerged, had a version of Puppy that had been selected and downloaded by a computer literate person with whom I have lost contact
At that time I was told I had to check the download integrity before burning which I never did because I didn't know what would happen if I downloaded md5sum.exe
So I burned the ISO file to the DVD without checking it and I took some days browsing the Internet and trying to find out what a Puppy Live DVD was and what could happen if I used it.
I finally decided to use it without checking it and fortunately it worked without problems from March to December 2009.
Now, that I haven't the assistance of that computer literate person, I don't know which is the best version for me to choose.
I've seen that in some places that sponsor Linux, there are tests to help those who are interested in choosing which version of Linux best fits their characteristics, but I have not found something similar for the Puppy versions in the Puppy sites. By the way, somebody should pick up this idea and post it in http://www.murga-linux.com/puppy/viewtopic.php?t=32924.

Just to practice, while I'm writing this I'm downloading to a folder I have created on XP's desk, the Download Version 5.1.1. from ibiblio.org (130 MB) but I can't find a good guide about how to use md5sum.exe with it.
These are the moments when I think there should be a website whose goal were to teach people to use Mi____ft's tools to break free from Mi____ft
I've searched for such a place but I'm not sure if I’ve found it.
Is there any reader who can help with these things?

The download of lupu-511.iso file has ended.

Following Shep’s advice I have deleted PUP_412.SFS together with BOOT.CAT, BOOT.MSG, INITRD.GZ, ISOLINUX.BIN, ISOLINUX.CFG and VMLINUZ from XP’s "Puppy Installation CD files" folder.

What do you think my next move should be ?

Best regards

Postscript for jyore: I have never used a USB device as a booting resource.
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Shep

Joined: 08 Nov 2008
Posts: 851
Location: GIRT-BY-SEA

PostPosted: Fri 03 Dec 2010, 19:37    Post_subject: Re: Trying to keep my word
Sub_title: Disclosing some of the reasons that have prevented me from burning another ISO to a CD.
 

Antipodal wrote:
Now, that I haven't the assistance of that computer literate person, I don't know which is the best version for me to choose.

Generally, there isn't a best version for you, or for anyone. There isn't one best version. There are so many different puppies that most people's need can be met by any of a handful of puppies or versions of puppy. Even if there were right now a version that was best for your needs, the situation may change next week. Shocked Basically, any version that meets your current needs is the best for you currently. (It could be that in a few weeks you may discover a bug or limitation which really annoys you, in which case, it may be time to go for something different/better, or time to install an update of specific software.)

That said, I think you should just pick any popular puppy which has the browser that you like, and if it works on your PC settle for that Puppy for the time being. When you use it as a LIVE DVD it doesn't leave any files on your HDD unless you give it permission to, so if downloads are not costly for you, you can burn new versions of puppy and trial them to your hearts content. I have the feeling that your needs are not particularly demanding, given that you were content with the one version of puppy for a whole year. Razz Razz Though one crucial consideration--how do you access the internet? Some won't do dial-up, some won't do all wireless, etc.

So now you have 2 puppies, each as a live DVD. *** Let's assume for the time being that there are no errors, either in the downloading or in the burning. (We can verify this later.)

I believe we are still waiting to hear that you have verified the boot sequence is set to first try the optical drive: DVD ... HDD, etc.

Either check that, or insert your new Lupu DVD into the drive, reboot, and see what happens. You can go the same route as you did each time for your earlier Puppy whereby you hit <F2> and type: puppy pfix=ram so that it knows to run entirely from the DVD. But you will be on familiar ground.

*** EDIT Oops, I think I overlooked a small step here. Embarassed You possibly don't know how to burn an iso file to a DVD to create a bootable disk? Using XP nobody knows how, as I think XP lacks the software. Someone else might jump in here and point to a thread (one of dozens, I'm sure) where this is discussed in this forum, but you'll need to download a small program to allow XP to do this. Maybe you already have something installed from when you burnt your first Puppy DVD? I believe I used nero on XP to burn my first Puppy, but any software that will burn an iso file should do the job. A search on google ("burn iso in XP") turns up lots, here's one at random: http://www.techhead.co.uk/how-to-burn-dvd-isos-directly-in-windows-xp-and-vista-for-free

Also, to use md5sum I just go to the commandline and type: md5sum file.iso and it comes up with a number. If that number checks with the one on the site from where you downloaded the file, then its integrity is okay. In linux, to check the DVD, I type: md5sum /dev/dvd

HTH
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Shep

Joined: 08 Nov 2008
Posts: 851
Location: GIRT-BY-SEA

PostPosted: Sat 04 Dec 2010, 00:56    Post_subject:  

Here's a pointer to burning a Puppy iso I grabbed from Flash's list of useful links: http://www.murga-linux.com/puppy/viewtopic.php?p=5334#5334
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Antipodal

Joined: 26 Mar 2009
Posts: 142
Location: The other side of the world

PostPosted: Sat 04 Dec 2010, 15:59    Post_subject:  Updating the readers (part 1)
Sub_title: What's happened since Shep's before last post in this thread.
 

I downloaded md5sum.exe to the same folder where I had Lupo511.iso

I worked hard trying to check the iso with it but couldn't find in my screen many of the clues that appeared in the guides I was using to do it.

So, I decided to burn 3 CDs (not DVDs) without the md5sum test.

After burning I left the last one in the drive.

I restarted the computer.

There were no signs of Windows XP and the Puppy's image appeared.

I hadn't time to press the F2 key and while Puppy was loading the kernel, to RAM the computer was powered off.

I tried again, I had time to press F2 and choose "puppy pfix=ram" and I reached Puppy's desk!! Laughing .

I thought I was saved.

Now I had to choose the Internet connection.

I had two options. I remember that one of them was labelled with the word "Etho" and the other one with the word "Windows".

Fearing getting caught by M$ again, I clicked "Etho" and the computer was immediately powered off. Crying or Very sad

Since then, I have tried many times to boot from the same Puppy Lupo CD using (and not using) “puppy pfix=ram”, but it always gets powered off when it's loading the kernel to RAM.

I have never reached Puppy’s desk again. Crying or Very sad

So, I am currently using XP again.

Sunday 4 Dec 2010 16:54 UTC-4: I have just discovered that Shep edited his before last post. Thank you very much Shep!!

Edited_time_total
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Antipodal

Joined: 26 Mar 2009
Posts: 142
Location: The other side of the world

PostPosted: Sat 04 Dec 2010, 16:01    Post_subject:  Updating the readers (part 2)
Sub_title: Introduction to things that have happened since the first days of October
 

As I have explained in previous posts on this thread (Sun 07 Mar 2010 17:08 and Thu 25 Nov 2010 14:07) in the period extending from the first days of February 2010 to the first days of October, with the DVD in the drive, when I switched on the computer, Puppy's screen didn't appear, the system booted smoothly into XP and I only had the problems that everybody has using XP.

Since the first days of October 2010 when I changed my LiteOn DVD drive for a new Samsung DVD drive, things have changed and though I've described what has happened with Puppy I haven't told you what has happened with XP.

That is because at first I thought they were irrelevant coincidences that were distorted by my imagination. But because as time passes and the more I insist in booting with Puppy the more bizarre are the symptoms I feel the need of describing what has been happening.

I will do that in my next post because the description is rather complex and I must now meet some postponed obligations.

I apologize.

Regards
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jyore


Joined: 06 Nov 2010
Posts: 43

PostPosted: Sun 05 Dec 2010, 13:30    Post_subject:  

Well, you booted into puppy this time soooooooo...WE ARE MAKING PROGRESS!!!! Very Happy Very Happy Very Happy

eth0 would be the correct interface for a wired Ethernet connection...I am unsure why it crashed when you tried to configure the interface...

when you boot now, you say it fails when loading the image to RAM...can you post the error message it gives when it fails?
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Antipodal

Joined: 26 Mar 2009
Posts: 142
Location: The other side of the world

PostPosted: Mon 06 Dec 2010, 06:45    Post_subject:  CONNECTED THROUGH LUCID PUPPY & MIDORI 0.2.2!!!!!!
Sub_title: I THINK IT HAS BEEN BY CHANCE!!!!!
 

I REALLY DON'T KNOW HOW I DID IT!!! Laughing Laughing Laughing Laughing Laughing Laughing Laughing Laughing
THANK YOU ALL FOR BEING THERE!!! Laughing Laughing Laughing Laughing Laughing Laughing
AND FOR YOUR HELP!!!! Laughing Laughing Laughing Laughing Laughing Laughing Laughing
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Shep

Joined: 08 Nov 2008
Posts: 851
Location: GIRT-BY-SEA

PostPosted: Mon 06 Dec 2010, 17:50    Post_subject:  

Antipodal wrote:
I hadn't time to press the F2 key and while Puppy was loading the kernel, to RAM the computer was powered off.

To deal with unreliable booting, you will need others to give advice, as it's not something I've ever had the pleasure of experiencing. My only suggestion is that you look back at your own post here http://murga-linux.com/puppy/viewtopic.php?t=51906&start=39 and try the acpi=off idea. During boot-up, press <F2> and type: puppy acpi=off pfix=ram

Other than that, I'm out of ideas. But at least you have shown the live CD is a practicable proposition, even if it was a fluke. Smile

Not all puppies are compatible with all hardware. It could turn out that you need to try a different puppy. If stuck for help, maybe try puppy Squeeze next. I think its known as Dpup 009 but there may be a newer version out. I'm not specifically recommending it for you, as I don't know enough about it, but I like the Dpup family. http://murga-linux.com/puppy/viewtopic.php?t=59867&start=990

But now try your old Pup431 live DVD and see whether it's behaving any better.

If you successfully boot into puppy, you can use puppy to check the md5sum of any file or DVD.
MENU >UTILITY >RXVT TERMINAL and type on the command line as I described earlier.
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obxjerry


Joined: 29 Jan 2010
Posts: 394
Location: Louisville, Kentucky

PostPosted: Mon 06 Dec 2010, 18:46    Post_subject:  

I may have a different prospective that may help in this case. As my signature says, "It may be that my sole purpose in life is simply to serve as a warning to others". I have a 100 cd spindle of blanks. They were cheap when I bought them and I've had them for years. I've burned quite a few into Linux live cds. They work for awhile. They work in some drives but not others. They work some times and not others and occasionally will start to load but then shut the computer down. I usually grab another cd I've burned and go on. Sometimes, if I can find a Sharpie, I'll write coaster on one that's bad. If I use better cds I have much better reliability.

For years all I did with cds was burn music to them. That's a good use for cheap cds. When I started burning bootable cds my standards changed. I see a lot of bad cds. That's what this looks like to me.

Just in case someone remembers the problems I was having in March with 3 computers, this was NOT the problem then.

_________________
It may be that my sole purpose in life is simply to serve as a warning to others

Meddle Not In The Affairs Of Dragons For You Are Crunchy And Taste Good With Ketchup

I'd rather be sailing
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jyore


Joined: 06 Nov 2010
Posts: 43

PostPosted: Tue 07 Dec 2010, 23:45    Post_subject: Re: CONNECTED THROUGH LUCID PUPPY & MIDORI 0.2.2!!!!!!
Sub_title: I THINK IT HAS BEEN BY CHANCE!!!!!
 

Antipodal wrote:
I REALLY DON'T KNOW HOW I DID IT!!! Laughing Laughing Laughing Laughing Laughing Laughing Laughing Laughing
THANK YOU ALL FOR BEING THERE!!! Laughing Laughing Laughing Laughing Laughing Laughing
AND FOR YOUR HELP!!!! Laughing Laughing Laughing Laughing Laughing Laughing Laughing


Awesome!!! Glad you finally are back up and running!!! That was certainly an interesting ordeal. Hope it is smooth sailing for you from now on.
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Antipodal

Joined: 26 Mar 2009
Posts: 142
Location: The other side of the world

PostPosted: Wed 08 Dec 2010, 00:35    Post_subject:  Thanking Shep, obxjerry & jyore...
Sub_title: ...and updating them.
 

Thank you for your support and comments, Shep,obxjerry & jyore!! Smile

Shep’s right. I’m dealing with unreliable bootings. Confused

After a planned shutdown I tried booting with puppy acpi=off pfix=ram but I ended in an unplanned shutdown approximately when I was going by the “switch root to the layered file system”

I also tried booting with my old Puppy 4.1.2 that still works on a friend's notebook but it was useless Crying or Very sad

Removing the power supply and the CMOS/BIOS battery during all night and using F2 / puppy pfix=ram is what has worked better until now. Exclamation
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Ruals

Joined: 08 Dec 2010
Posts: 2

PostPosted: Wed 08 Dec 2010, 09:13    Post_subject:  

Hi!

I don`t think your problems is neither the cd or cd-rom.
It may be bad sectors on your hard disk or something like that.
Try to wipe out your hard disk and restart without the hard disk connected. If that does not help, try the same with the RAM chips.
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