Author Topic: Unable to boot into Manjaro  (Read 1033 times)

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Offline rmcelligTopic starter

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Unable to boot into Manjaro
« on: 17. December 2012, 13:22:39 »
I am using 0.8.2.  Evertime I install a new distro into one of my partitions, Manjaro fails to boot. This has happened on two separate machines I have. I always get a kernel panic message on startup.

"Kernel Panic - Not Syncing VFS Unable to mount root FS on unknown block"

What should I do? Does it have something to do with me using Grub4DOS in Puppy linux to create my menu.lst file. My partition for Manjaro is sda8.

Is there maybe another way I can boot into Manjaro? I'm knew to all this so I am not quite sure what my next step should be.

Here are the contents of my menu.lst file if this is of any help along with  a screenshot of my computer setup.

Code: [Select]


-- # menu.lst produced by grub4dosconfig-v1.7.2
color white/green yellow/blue white/black green/black
timeout 10
default 0

# Full installed Linux

title Linux Lite 1.0.2 (sda5)
  uuid 2700a444-27ef-4463-9a97-04dcda527c66
  kernel /vmlinuz root=/dev/sda5 ro

title Ubuntu 12.04.1 LTS (sda6)
  uuid 7025510d-2c5d-4825-87e0-de51c0e59bc1
  kernel /vmlinuz root=/dev/sda6 ro
  initrd /initrd.img

title Linux Mint 14 Nadia (sda7)
  uuid bb7b6206-aa0f-4298-8a97-0a2546810704
  kernel /vmlinuz root=/dev/sda7 ro
  initrd /initrd.img

title Manjaro Linux boot (sda8/boot)
  uuid 2ec9ecaa-7f28-4cee-b4a8-018a2976aed6
  kernel /boot/vmlinuz-34-i686 root=/dev/sda8 ro

# Windows
# this entry searches Windows on the HDD and boot it up
title Windows\nBoot up Windows if installed
  errorcheck off
  find --set-root --ignore-floppies --ignore-cd  /bootmgr
  chainloader /bootmgr
  find --set-root --ignore-floppies --ignore-cd  /ntldr
  chainloader /ntldr
  find --set-root --ignore-floppies --ignore-cd   /io.sys
  chainloader /io.sys
  errorcheck on

# Boot from Partition Boot Sector

title Linux Lite 1.0.2 (sda5:PBS)
  uuid 2700a444-27ef-4463-9a97-04dcda527c66
  chainloader +1

title Unknown (sdb1:PBS)
  map (hd1) (hd0)
  map (hd0) (hd1)
  map --hook
  uuid bdbe345e-d534-43e3-9b19-bc75129c04c0
  chainloader +1

# additionals

title Find Grub2\nBoot up grub2 if installed
  find --set-root --ignore-floppies --ignore-cd /boot/grub/core.img
  kernel /boot/grub/core.img

title Grub4Dos commandline\n(for experts only)
  commandline

title Reboot computer
  reboot

title Halt computer
  halt
« Last Edit: 17. December 2012, 13:24:22 by rmcellig »
Take care, Randy

www.mcran.com - my web site
www.chuo.fm - My radio show every Sunday from noon-2pm or 89.1 fM

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Re: Unable to boot into Manjaro
« Reply #1 on: 17. December 2012, 16:15:22 »
It is a bit difficult for me to check for this because I have never seen grub4dos so I don't know how it works and also I am using efi booting which alters things. However looking at your menu.lst it appears that grub4dos might be looking in the wrong place.

Code: [Select]
title Find Grub2\nBoot up grub2 if installed
  find --set-root --ignore-floppies --ignore-cd /boot/grub/core.img
  kernel /boot/grub/core.img

Manjaro does not keep core.img in that location it is stored in the folder /boot/grub/x86_64-efi on my system, on yours you should probably remove the -efi part from the end UNLESS you are using 32bit in which case it would be different, just have a look, I don't have any 32 bit versions so I can't check for myself. So basically if you found out where core.img really is and alter the menu.lst entry to the correct address it might work, I don't know for sure though. Your other alternatives would be to install grub-legacy into Manjaro or bite the bullet and face up to the fact that we are stuck with grub2 whether we like it or not and just move on - I guarantee I hate grub2 every bit as much as you do, but I have had to do it !

Offline rmcelligTopic starter

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Re: Unable to boot into Manjaro
« Reply #2 on: 17. December 2012, 18:10:06 »
Thanks! I'll see how far I get. Grub4Dos is included with Puppy Linux and so far it is the easiest way I have found to create a grub menu.lst file unless there is another method I should be using?

Thanks for the help!!
Take care, Randy

www.mcran.com - my web site
www.chuo.fm - My radio show every Sunday from noon-2pm or 89.1 fM

Offline dicktater

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Re: Unable to boot into Manjaro
« Reply #3 on: 17. December 2012, 19:29:34 »
Manjaro does not keep core.img in that location it is stored in the folder /boot/grub/x86_64-efi on my system, on yours you should probably remove the -efi part from the end UNLESS you are using 32bit in which case it would be different, just have a look, I don't have any 32 bit versions so I can't check for myself. So basically if you found out where core.img really is and alter the menu.lst entry to the correct address it might work, I don't know for sure though. Your other alternatives would be to install grub-legacy into Manjaro or bite the bullet and face up to the fact that we are stuck with grub2 whether we like it or not and just move on - I guarantee I hate grub2 every bit as much as you do, but I have had to do it !
On my 32-bit laptop (0.81 installation), core.img is in the folder /boot/grub/i386-pc
HOT TIP: For the fastest and most comprehensive response to your problem(s), please report issues properly! http://forum.manjaro.org/index.php?topic=1327.0

Offline rmcelligTopic starter

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Re: Unable to boot into Manjaro
« Reply #4 on: 17. December 2012, 20:23:51 »
Mine is in there as well.

What are my options now?

How can I create a new menu.lst file instead of using grub4dos?

Is there a way I can boot into my Manjaro partion just to make sure if the problem is with the current menu.lst file or if there is something else at play?

Is there a way to capture the error that occurs on boot so I can post it here without having to use a camera?

Thanks!!

Take care, Randy

www.mcran.com - my web site
www.chuo.fm - My radio show every Sunday from noon-2pm or 89.1 fM

Offline dicktater

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Re: Unable to boot into Manjaro
« Reply #5 on: 17. December 2012, 21:17:08 »
You probably only need to edit your grub menu.lst so that it points directly to that directory. Or, you could make a new entry by coping the default entry and editing it to your needs.
HOT TIP: For the fastest and most comprehensive response to your problem(s), please report issues properly! http://forum.manjaro.org/index.php?topic=1327.0