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Ubuntu Cannot Open Root Device


Code: title Ubuntu, kernel 2.6.15-28-386 root (hd1,1) kernel /boot/vmlinuz-2.6.15-28-386 root=/dev/sdb2 ro quiet splash initrd /boot/initrd.img-2.6.15-28-386 savedefault boot ### END DEBIAN AUTOMAGIC KERNELS LIST # This is a divider, added to separate Not sure. Will I get the same result if I use 18-55mm lens at 55mm (full zoom) and 55-200mm lens at 55mm (no zoom), if not, then why? Where should I append the correct root= option? this contact form

I followed this guide: https://help.ubuntu.com/community/DisklessUbuntuHowto I believe the step where the boot flag is changed in /nfsroot/etc/initramfs-tools/initramfs.conf addresses this issue but I could be wrong! parameter you gave it (inside the boot loader configuration) into a real, accessible file system. After that, move to other items, like filesystem checks, hardware components, etc. At the very least, you learned a little bit more about systematic problem solving, Kdump command line and init script, memory allocations under /proc, how to edit the kernel configuration, and

Vfs Cannot Open Root Device (null) Or Unknown-block(0 0)

Normally, Kdump gets its information from two sources. So reinstalling and configuring is not going to get this OP anywhere. The main difference I observe is that up to, the grub conf tries to identify the hard disk using its UUID, now uses /dev/sda6 .. Basic Geometric intuition, context is undergraduate mathematics How do I make an alien technology feel alien?

  1. Pay special attention to items like mem, memmap and others, which hardcode memory allocations.
  2. In my previous post I mentioned I upgraded to 11.1...
  3. Quote: create a new config file as /tftpboot/pxelinux.cfg/default NOTE: There are more options available such as MAC or IP identification for multiple config files see syslinux/pxelinux documentation for help.
  4. Once you have done this it might boot but I don't actually think so.
  5. Last night there was a power surge and this morning I can't boot my virtual server.
  6. If I don't get this Kernel to work, how can I remove it as the default and stick to the older one? 11.10 kernel share|improve this question edited Feb 26 '12
  7. Then he can see to boots messages and see where it goes.

Ubuntu Ubuntu Insights Planet Ubuntu Activity Page Please read before SSO login Advanced Search Forum The Ubuntu Forum Community Ubuntu Official Flavours Support Installation & Upgrades [SOLVED] Ubuntu 11.1 - Kernel How to handle a common misconception when writing a Master's thesis? The other is fsck which would check the filsystems on the next boot. Please Append A Correct Root= Boot Option Here Are The Available Partitions You most likely don't, so here's a quick check-up.

Sorry if I'm restating anything anyone else said or something you've answered before, but skimming through the posts, I didn't see anything mentioned about your kernel I Agree. Assigning only part of a string to a variable in bash How do I make an alien technology feel alien? First of all try the: Grub. https://forums.gentoo.org/viewtopic-t-942728-start-0.html Adv Reply December 10th, 2011 #9 adrian15 View Profile View Forum Posts Private Message Visit Homepage Tea Glorious Tea!

Would you like to advertise your product/site on Dedoimedo? Cannot Open Root Device Mapper/volgroup-lv_root If it had the forced fix then you could use that instead of Rescatux fsck option. I have seen people who, after building a first kernel (which doesn't boot), forget that they have to mount /boot before the overwrite the kernel with a new one. I get a long error message.

Vfs Cannot Open Root Device Redhat

title Other operating systems: root # This entry automatically added by the Debian installer for a non-linux OS # on /dev/sda1 title Windows XP Media Center Edition root (hd0,0) savedefault makeactive https://ubuntuforums.org/showthread.php?t=1892507 Here's an example: cat /proc/iomem 00000000-0009dbff : System RAM 0009dc00-0009ffff : reserved 000a0000-000bffff : Video RAM area 000c0000-000cafff : Video ROM 000f0000-000fffff : System ROM 00100000-bf61ffff : System RAM 00100000-002f684d : Vfs Cannot Open Root Device (null) Or Unknown-block(0 0) But the principle remains the same and should guide you regardless what computer you're fighting against right now. Vfs Cannot Open Root Device Please Append A Correct Root Boot Option neilneil2000 View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by neilneil2000 06-29-2008, 05:42 PM #4 chort Senior Member Registered: Jul 2003 Location:

Cheers. del.icio.us stumble digg reddit slashdot Advertise! weblink In the case that cannot mount the root fs you can fix that with the Rescatux fsck option I have mentioned. adrian15 Thank you for donating to Super Grub Disk. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. Vfs Cannot Open Root Device Centos

Lose interest in the whole thing and shelve Ubuntu 4. Say your root file system uses btrfs (which I definitely don't recommend) but you didn't select it, or selected it to be built as a module, then you'll get the error There are two variations to this message and many possible reasons to why it shows up. navigate here It can be sdb4, sdc6 or something else.

Still don't know how. Vfs Cannot Open Root Device Uuid Support. Join our community today!

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I reset the system and somehow we got a third option in the GRUB which did work (magic) so now the system is running again. How to stop NPCs from picking up dropped items Do we know Ford's old name? Update grub configuration option. Please Append A Correct Root= Boot Option Redhat What is the significance of the robot in the sand?

How to stop NPCs from picking up dropped items What do you call the practice of using (overly) complex words specific to a subject? Why do some banks have more than one routing number in the US? Before you can solve the problem, you need to understand what it is. his comment is here Ubuntu installed and chugging along fine 2.

The solution is very simple, but it may not appear that way if you try to debug on your own or hit the Web search for solution. You can check what this is by issuing cat /proc/cmdline. Ubuntu Logo, Ubuntu and Canonical Canonical Ltd. Again, we need to refer to /proc in our running kernel and see what is currently in use.

Originally Posted by nhasan 1. I'll post what you want in about an hour. I'm out of ideas, and I'm hoping someone out there can help me out. Usually when going from 6.06 to 11.10 or any other big jumps (That's 5 years!) it is recommended to save your /home directory and make a clean install and restore your

Is adding the ‘tbl’ prefix to table names really a problem? Probably the last one won't be needed. Not sure. As a result, they copy the kernel to the root file system (/) whereas the boot loader still expects the kernel image to be on the /boot partition.

Find More Posts by chort 06-30-2008, 02:02 PM #5 neilneil2000 LQ Newbie Registered: Jun 2008 Distribution: Ubuntu Hardy Heron 8.04 Posts: 25 Original Poster Rep: I did indeed, and I contacted a system friend of mine which pointed me to this answer. If you'd like to contribute content, let us know.