[NTLUG:Discuss] can't boot

[Jeff Demel]

Actually, it is not possible to mount the drive or copy the data.  The only
way to get the machine up is using Knoppix or the RH9 CD, but in either case
it can't mount or read hda2 at all.

Here's the partition info:

Device	Boot	Start	End	Blocks  Id	System
/dev/hda1	*	1	13	104391  83	Linux
/dev/hda2		14	985	7807590 83	Linux
/dev/hda3		986	1021	289170  82	Linux swap

It is not dual boot.

-Jeff


-----Original Message-----
From: discuss-bounces at ntlug.org [mailto:discuss-bounces at ntlug.org] On Behalf
Of Tom Adelstein
Sent: Wednesday, July 16, 2003 8:48 AM
To: NTLUG Discussion List
Subject: Re: [NTLUG:Discuss] can't boot


fchk is an ext2 utility. I thought you had just installed the system.

We need more information so you may need to print out the partition 
table. Hopefully you have a rescue disk or bootable floppy. You seem to 
be able to boot the system, but it may be safer to boot up without 
mounting your hard drive.

You can use fdisk /dev/hda/ and then use "p" from th menu.  We're 
looking for the number and types of partitions.  Also, do you "dual 
boot" this system? sometimes the partition table gets corrupted when 
vfat and ntfs partitions reside on the same HD.

It's still possible to mount the drive and copy the data.

No one knows more about this situation than you. Consider going to 
Google and select groups. Then search on the error message. A plethora 
of posts exists about this problem.

We can still troubleshoot it if you don't find any relevant information. 
Chances are people have already run across this problem before.



work at myverse.net wrote:

>Just to follow up again.
>
>Finally figured out Knoppix wanted me to use "rootme" to gain root 
>permissions, and ran fsck.  It is saying that "the superblock could not 
>be read or does not describe a correct ext2 filesystem..."
>
>-Jeff
>
>
>-----Original Message-----
>From: discuss-bounces at ntlug.org [mailto:discuss-bounces at ntlug.org] On 
>Behalf Of Jeff Demel
>Sent: Wednesday, July 16, 2003 12:09 AM
>To: 'NTLUG Discussion List'
>Subject: RE: [NTLUG:Discuss] can't boot
>
>
>It's formatted ext3.  The kernel does support it, as hda1 is the same. 
>Plus, it's been up and running for a month or two now.
>
>I don't know fchk and it doesn't appear to be a command Knoppix 
>understands, but when I try and run fsck it gives me a permission 
>denied error.  I believe this is something with Knoppix that I don't 
>understand.  I don't know why I'm not root automatically, but that's 
>apparently the way it is, and I have no idea what root password it's 
>looking for.  The original root password doesn't appear to work.
>
>I really don't want to zero out the drive and start over.  Maybe as a 
>last resort, but there's data on there I don't really want to lose.
>
>-Jeff
>
>
>-----Original Message-----
>From: discuss-bounces at ntlug.org [mailto:discuss-bounces at ntlug.org] On 
>Behalf Of Tom Adelstein
>Sent: Tuesday, July 15, 2003 10:38 PM
>To: NTLUG Discussion List
>Subject: Re: [NTLUG:Discuss] can't boot
>
>
>some possibilities:
>
>1. Which file system are you using? You may not have support for it in
>the kernel.
>2.  Is hda2 swap? You may not have initialized it if you partitioned the 
>dive by hand.
>3. If it's  the boot partition, which it doesn't appear to be, which 
>file system did you use? If you used ext2, then you can fchk it. 4. If it's
>a bad section of disk, you should hear the read arm thrashing 
>about. If not, it probably isn't the hard drive.
>5. You may need to zero out you drive and start over. Try 
>http://diskzapper.com/download and you can find a free utility to clear 
>the disk completely.
>
>someone else may need to weigh in on this.
>
>work at myverse.net wrote:
>
>  
>
>>Just to follow up.
>>
>>I booted up Knoppix (STD, by the way), and when I try to access hda2 I 
>>get the following error:
>>
>>"Could not mount device.
>>Mount: wrong fs type, bad option, bad superblock on /dev/hda2 Or too 
>>many mounted file systems."
>>
>>hda1 seems to work fine.
>>
>>I'm guessing something got corrupted on the hda2 partition.  Are there 
>>any utilities out there that will help me recover from this?
>>
>>-Jeff
>>
>>
>>-----Original Message-----
>>From: discuss-bounces at ntlug.org [mailto:discuss-bounces at ntlug.org] On 
>>Behalf Of Jeff Demel
>>Sent: Tuesday, July 15, 2003 10:00 PM
>>To: 'NTLUG Discussion List'
>>Subject: [NTLUG:Discuss] can't boot
>>
>>
>>Okay, so there I was playing GTali in Gnome and the damn thing froze. 
>>I couldn't get it to do anything.
>>
>>So I rebooted the box, and it won't come back up.  It seems to boot 
>>normally until this error:
>>
>>mount: error 2 mounting ext3
>>
>>Then everything fails:
>>
>>Pivotroot: pivot_root(/sysroot,/sysroot/initrd) failed: 2 Umount 
>>/initrd/proc failed: 2 Freeing unused kernel memory: 132k freed Kernel
>>panic: No init found. Try passing init= option to kernel.
>>
>>Then nothing.  It just stops.
>>
>>Is this telling me that it cannot mount ext3, and therefore is unable 
>>to boot?  If so, is there some kind of disk recovery app or something?
>>What's error 2?  I'm pretty much a newbie, and have never seen Linux 
>>fail like this.  Feels like I'm back in Windows.
>>
>>By the way, it's Red Hat 9 on a P2 350mhz with 144MB RAM.
>>
>>Any advice would be appreciated.  For now, I'm going to try booting 
>>with my Knoppix disk and see what I can see.
>>
>>-Jeff
>>
>>
>>
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