Ubuntu Installation :: Grub-setup: Warn: Your Embedding Area Is Unusually Small. Core.img Won't Fit In It

May 3, 2011

I would like to backup my entire Ubuntu installation (/boot, swap and /) at /dev/sda (4GB) to /dev/sdb (10GB).I recreated the exact partitions on /dev/sdb, formatted and cp -rp all the files over.For /boot, I used

Code:

dd if=/dev/sda1 of=/dev/sdb1

It didn't boot successfully as the system kept rebooting. I then tried to install grub onto the MBR and boot partition (mounted at /mnt/tempboot).

Code:

grub-install --force --no-floppy --root-directory=/mnt/tempboot /dev/sdb

But I get an error:

Code:

grub-setup: warn: Your embedding area is unusually small. core.img won't fit in it.

Anyhow, since I forced grub-install, I believe the grub is installed. I rebooted the system and I get a grub prompt:

Code:

grub>

Grub seems to not find my grub.cfg but it is present.

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Ubuntu :: Grub2 Embedding Area Is Unusually Small?

May 4, 2011

I lost my capability to boot into any OS for some reason. I am dual booting Windows 7 and Ubuntu 10.10 and I have managed to restore my Windows bootloader using a Windows repair disk.I have tried to reinstall Grub using these commands from a Ubuntu Live CD:

Code:

ubuntu@ubuntu:~$ sudo mount /dev/sda6 /mnt
ubuntu@ubuntu:~$ sudo grub-install --root-directory=/mnt /dev/sda

The latter gives this output:

Code:

/usr/sbin/grub-setup: warn: Your embedding area is unusually small. core.img won't fit in it..
/usr/sbin/grub-setup: warn: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and their use is discouraged..
/usr/sbin/grub-setup: error: if you really want blocklists, use --force.

Here are the results from the boot info script:

Code:

Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: =============================
=> Windows is installed in the MBR of /dev/sda
sda1: _________________________________________________________________________
File system: ntfs

[code]....

PS. I probably should mention that I edited the partitions prior to these problems, moving the extended sda3 to the left to give it some more space. The order of the partitions remained unchanged.

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Mar 27, 2011

I have a command line OCR program called OCR Shop XTR (Vividata corp) that I am using on a system with a 6-core AMD chip. I changed the bios so that the 6-cores were activated, but htop shows me that while the program is running, I am only getting activity on one core (the program maxes out the one core with consistent usage between 97% and 100%).

I have read that many programs are not written to take advantage of multiple core cpu's. However, I am just hoping that there is some way to get this program to take advantage of the extra cores. Does anyone know of a way to invoke programs from the command line which would spread the workload out among additional cores?

Here is the output of uname -a:Linux linux 2.6.37.1-1.2-desktop #1 SMP PREEMPT 2011-02-21 10:34:10 +0100 i686 athlon i386 GNU/LinuxAnd here is the output for one of the cores from cat /proc/cpuinfo:processor : 5

vendor_id : AuthenticAMD
cpu family : 16
model : 10
model name : AMD Phenom(tm) II X6 1100T Processor
stepping : 0

[Code].....

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Jul 4, 2011

One of those things that make yo go "WTF?" After browsing the internet with Firefox, there appears a peculiar problem: if I move the pointer to a certain area of the screen, I can't click (left, right, middle) nor use mouse wheel. The area can be of variable size, but usually it's small, in the lower part of the screen, it's x dimension greater than y one (a horizontally placed rectangle). The problem doesn't go away when I restart Firefox (obviously it does when I reboot). It obstructs any window under it (I can't even click on the desktop where 'it' is). It's as if there is an invisible window that 'steals' focus when I move the mouse over it. I'm on 11.04, Classic Ubuntu (Gnome 2.3x).

A quick UPDATE: dragging an icon and dropping it on the said area behaves as if I dragged an item and dropped it where it doesn't belong (i.e. it just slowly returns to it's original position). Also, I tried killing it with Force Quit applet, but only my desktop reloaded.

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After doing a wubi install of 11.04 onto my hp g56-116a because of it having all 4 primary partitions in use, natty seems to be running abnormally slow Not throughout, but there's major slowdowns when doing something like opening a new browser window or similar task.

Sometimes it will just spontaneously log out. The slowdowns are so bad the mouse cursor will become completely unresponsive/laggy for 20-25 seconds. My laptop has 4GB RAM and an intel celeron t3500 cpu, which zips windows 7 along speedily, but its running this install a lot slower than my old laptop ran in,with 2GB RAM and a slightly slower processor.

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Mar 27, 2010

I'm running Karmic Server with GRUB2 on a Dell XPS 420. Everything was running fine until I changed 2 BIOS settings in an attempt to make my Virtual Box guests run faster. I turned on SpeedStep and Virtualization, rebooted, and I was slapped in the face with a grub error 15. I can't, in my wildest dreams, imagine how these two settings could cause a problem for GRUB, but they have. To make matters worse, I've set my server up to use Luks encrypted LVMs on soft-RAID. From what I can gather, it seems my only hope is to reinstall GRUB. So, I've tried to follow the Live CD instructions outlined in the following article (adding the necessary steps to mount my RAID volumes and LVMs). [URL]

If I try mounting the root lvm as 'dev/vg-root' on /mnt and the boot partition as 'dev/md0' on /mnt/boot, when I try to run the command $sudo grub-install --root-directory=/mnt/ /dev/md0, I get an errors: grub-setup: warn: Attempting to install GRUB to a partition instead of the MBR. This is a BAD idea. grub-setup: error: Embedding is not possible, but this is required when the root device is on a RAID array or LVM volume.

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Obviously, neither case fixes the problem. I've been searching and troubleshooting for several hours this evening, and I must have my system operational by Monday morning. That means if I don't have a solution by pretty early tomorrow morning...I'm screwed. A full rebuild will by my only option.

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I just loaded F14 on an old Dell Dimension 3000 with a dual core processor but only one is showing. Here's the output from top:

processor: 0
vendor_id: GenuineIntel
cpu family: 15
model: 4

[Code]....

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[Code]...

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I have spent some time testing out different backup solutions for my small home office during the last weeks, but still haven't found anything that have been working out too well yet. We can definitely work with a non-GUI script if that's what it takes, if only the requirements are fulfilled:
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May 20, 2009

I have created a virtual machine of a system running Fedora Core 4 and I need to upgrade it to Fedora Core 10. Based on what I have read, it iis possible so I started theupgrade process. I get an error message saying that /dev/hda6 (my root paritition does not exist) even though it does.

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Jan 14, 2010

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Oct 8, 2009

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Jun 11, 2011

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Code:
[2011/06/11 08:29:35, 0] lib/fault.c:250(dump_core_setup)
Unable to setup corepath for smbd: Permission denied
[2011/06/11 08:29:35, 0] smbd/server.c:1134(main)
smbd version 3.5.7-1.17.1-2505-SUSE-SL11.4-x86_64 started.
Copyright Andrew Tridgell and the Samba Team 1992-2010
[2011/06/11 08:29:35.951937, 0] passdb/secrets.c:73(secrets_init)
Failed to open /etc/samba/secrets.tdb
[2011/06/11 08:29:35.954910, 0] passdb/secrets.c:73(secrets_init)
Failed to open /etc/samba/secrets.tdb
[2011/06/11 08:29:35.955027, 0] smbd/server.c:1234(main)
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This is the /var/log/samba/log.nmbd extract:
Code:
[2011/06/11 08:27:48.682275, 0] nmbd/nmbd_become_lmb.c:395(become_local_master_stage2)
Samba name server ANTARES is now a local master browser for workgroup XXXXXXXX.WORLD on subnet
[2011/06/11 08:28:08.700572, 0] nmbd/nmbd_serverlistdb.c:343(write_browse_list)
write_browse_list: Can't open file /var/lib/samba/browse.dat.. Error was Permission denied
I have modified in Yast the User Authentication Source to smbpasswd and specified the correct path to the file...

This is the /etc/samba/smb.conf extract:
Code:
passdb backend = smbpasswd:/XXXXXXXX/smbpasswdfile
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This is how the RAID0 dev is partitioned:
Code:
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[Code]...

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