Ubuntu Installation :: Reboot After Update - Invalid Magic Number Error
Jan 7, 2010
This has to be the sixth time I am going to have to reinstall Ubuntu (Can't get enough of that Linux greatness) in the past 6 months. I just don't understand what exactly is wrong, I don't install anything extra (but the ubuntu restricted extras) yet updates that ask me to reboot will take me to a GRUB command line screen and trying to boot through the command line interface gives me an, "Invalid Magic Number", error.
There should be an official tool for when problems like this come up, so that users like me can easily move their files off their HDD before reinstalling. I didn't come here to rant but, does anyone know what may be causing this everytime, how it can be avoided maybe even how to deal with the Magic Number error and boot in (I wouldn't mind typing in the commands every time BTW)?
My system
Hp Compaq 6730s
2.0Ghz 575 Celeron
4GB RAM
Intel X4500MHD
Broadcom 802.11b/g
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Oct 3, 2010
i wanted to see the red hat side of things and do some virtualization with CentOS, so i am trying to dual boot ubuntu 10.04 LTS and CentOS 5.5. the machine is a laptop, toshiba A100 series. what I did was to create the following partitioning scheme via Ubuntu LiveCd
Code:
Device Boot Start End Blocks Id System
/dev/sda1 * 1 19457 156288290+ 5 Extended
/dev/sda5 1 2103 16892284+ 83 Linux
/dev/sda6 2104 9988 63336231 83 Linux
/dev/sda7 9995 12623 21117411 83 Linux
/dev/sda8 12624 18800 49616721 83 Linux
/dev/sda9 18801 19457 5277321 82 Linux swap / Solaris
created an extended partition and in there have made sda5 and sda6 as / and home for ubuntu and sda7 and sda8 as / and home for CentOS. and sda9 as swap. I installed ubuntu first and then installed CentOS with no bootloader. Run sudo update-grub through ubuntu and now i have both Ubuntu and CentOS available. But when i select CentOS, i have an error which reads "invalid magic number".
I have grub2 installed, haven't downgraded or done anything to it and the ubuntu install is fresh, one week since i updated to 10.04 from scratch. I have found much contradictory stuff on google, but not something that provides a definite solution and also this post but the second command provided in the solution is one i cannot understand very well and it doesn't seem to work. what I am doing wrong here and how to make this work. I would prefer to do things via Ubuntu since debian stuff is what i am comfortable with and i am installing CentOS to learn not to do work on it.
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Jan 4, 2011
I tried the steps usually offered (modifying the grub.cfg file, replacing the wubildr files), it still wouldn't boot.
I booted in with the LiveCD to try to chroot into the environment and try running 'update-grub'. However, whenever I tried to chroot, it said it could not execute /bin/bash!
Trying to modify the grub commands manually (which originally gave the error: you need to load the kernal first), in the end said "invalid magic number"
There are some configuration things set in this installation I would like to not lose. Is it hopeless?
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May 6, 2011
I get error 'invalid magic number' when using this
vmlinuz 2,417,247 bytes
if I use this:
vmlinuz 2,417,312 bytes
then later it complains about kernel mismatch
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Apr 19, 2010
I've compiled and added a kernel in Gentoo before. It doesn't seem to go quite as smoothly in Kubuntu 9.10 These are the steps I followed: I unpacked the kernel in /usr/src and ran make && make modules_install succesfully. Then I copied the kernel in arch/x86/boot/bzImage to /boot/bzImage-2.6.32 This entry is the one given by Kubuntu:
Code:
menuentry "Ubuntu, Linux 2.6.31-14-generic" {
recordfail=1
if [ -n ${have_grubenv} ]; then save_env recordfail; fi
set quiet=1
[code]....
I just read the script that update grub uses. Changed the name of the kernel from xyz to vmlinuz-2.6.32-generic and it worked.
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May 14, 2011
After several crashes during videos it seemed like a good idea to fsck root. Downloaded the latest systemrescuecd and ran it at boot. The error message was 'bad magic number, corrupt superblock' with a suggested command to try another superblock. That failed with the same message. Tried tune2fs to force fsck at boot and got the same message. The drive is less than 6 months old and the installed system is working more or less ok. The command I used was 'fsck.ext4 /dev/sdc2'. What am I doing wrong?
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Mar 2, 2010
I loaded all required files inside the Innovate ARM board.When It starts booting from that location it is showing a error "Bad magic number" How I can get out of this error.
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Mar 24, 2011
I have a new acer machine which runs fine on 10.10 mythbuntu desktop livecd. Install seemed fine.
Then I ran an update and on reboot I get a kernel panic error. Research on this reveals it as a very deep subject which can consume many hours, so I opted to reinstall.
This time with ubuntu 10.10. I've tried different CDs, liveusb. Same errors.
So, the question is this - where do I concentrate my efforts - somewhere ubuntu doesn't like this machine, or grub. Does a reinstall overwrite the grub install too? Or do I have a bogus grub install I need to purge before I will get anywhere.
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Oct 29, 2010
# sudo dpkg -i vasre-se-1.1.1~Debian_5-i386.deb dpkg: error processing vasre-se-1.1.1~Debian_5-i386.deb (--install):
parse error, in file '/var/lib/dpkg/tmp.ci/control' near line 2 package 'vasre-se':
error in Version string '1.1.1~Debian_5': invalid character in version number
Errors were encountered while processing:
vasre-se-1.1.1~Debian_5-i386.deb
I did install same package ok in 10.4 but now after I upgrade to 10.10 I am getting this error. I have already tried:
# sudo dpkg --clear-avail
# sudo aptitude update
# sudo aptitude upgrade
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Jul 1, 2010
I've been setting up a number of netbooks for friends in a group I belong to. I am installing Ubuntu 10.04 and/or Linux Mint 9 on all of the netbooks. The netbooks are all identical. Everything has seemed OK until yesterday. I tried to set the label on the new disk using: # e2label /dev/sda newlabel The error is Bad magic number in super-block while trying to open /dev/sda. Couldn't find valid filesystem superblock.
But the filesystem seems fine. It is mounted. It booted up without errors. But all the e2* tools give the same error. So I checked another netbook with an identical fresh install of Ubuntu 10.04 32-bit. It gives the same error although the system appears to work fine. Next I went and checked my own netbook. It is identical except I swapped out the HDD for an OCZ Vertex SSD. I aligned the partitions and prepared that drive carefully. It seems to work great. But when I ran e2label on it I got the same error message.
All the other installs are fresh, clean, standard installs where I let the installer use the whole disk and do the partitioning automatically. All are using ext4. I did a fresh install of Linux Mint 9 and it has the same error as Ubuntu 10.04. Kubuntu 10.04 on my desktop gives the same error too.
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May 13, 2010
I have two SAS RAID controller cards in a Dell server in slots 2 & 3, both with an array hanging off them. I went to install a third card into slot 1, but then when it boots it says two of my sd's have bad magic number in the super-block and it wants me to create an alternative one, which I don't want to do. If i remove the new card, the server boots perfectly like it did before I added the new card. Is the new card trying to control stuff that isn't hooked up to it because its in slot 1, so its confusing RHEL?
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Aug 19, 2011
i recently moved from Ubuntu to Debian(squeeze).. i am very pleased with squeeze except for this bug..I have this python script i wrote to change my wallpaper (through Gconf), the script would be called by cron from time to time.The problem i am facing in Debian is that this script stopped working.I am exporting the $DISPLAY=:0 in Cron, (this is how it worked in Ubuntu)..the cron job i used is below:
-----------
* * * * * export DISPLAY=:0 && /path/to/my/script.py
--------
so the above was not running...I redirected the output and this is what i got as error:
-------------
Failed to contact configuration server; the most common cause is a missing or misconfigured D-Bus session bus daemon. See http://projects.gnome.org/gconf/ for information. (Details - 1: Failed to get connection to session: /usr/bin/dbus-launch terminated abnormally with the following error: Invalid MIT-MAGIC-COOKIE-1 keyAutolaunch error: X11 initialization failed.)
-------------
[code].....
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Apr 4, 2011
I updated my system from FC13 2.6.34.7-66 to 2.6.34.8-68 for both the kernel and the kmod-wl RPM's. After doing so, iwconfig wlan0 key 1234567890 no longer works. I get an error indicating 'invalid argument'. If I reboot using the previous kernel/wl.ko module, it works The size of the wl.ko module increased in size by almost 30%. Did I somehow get the wrong RPM?
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Aug 16, 2011
Bottom Line: Dvd Drive died in my toshiba laptop and it was replaced (not before tech for some reason reformatted the Win7 partition... which was 100% un-needed, but thats beside the point now. I redid win7 (the tech installed vista) and am TRYING to "redo grub". Facts: The Slackware AND Ubuntu Partitions ARE STILL THERE and when i use SuperGrub Boot CD (which doesn't restore my grub by itself) to boot into slackware, i can see ALL THE CONTENT of both Linuxes still there including grub on ubuntu partition
(Tri-Boot: Ubuntu, Slackware, and WIn7) I had it working for two years or so, SO i know this "setup" works fine. I am A) Trying to do this as simply as possible. B) Trying to avoid the need to download a 800MB ISO (as seen for this issue on this forum) and trying not to have to reformat Ubuntu Partition (though I have the .Debs I have downloaded for it backed up ... all 1.7GB of them) I have /dev/sda1 as win7, /dev/sda2 as Slack and /dev/sda3 as Ubuntu (which contains Grub Legacy).. Every command I do seems to result in an error like "invalid command" or "invalid Execution format " (i think that second one is right) type errors. I compiled (awhile back) a few kernels for Slackware, but feel goofy that I cant figure what i this out (what i thought was going to be a "2 minute" fix)
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Jan 28, 2011
I'm working on a midrange NAS system basically running on Linux and I got to do some great testing today. The step-by-step lead me to using fsdb to corrupt the magic number on a file system in order to corrupt it / test the script that should fix it.
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Jul 6, 2010
I was doing an update today and got the following error:
W: GPG error: [URL] lucid Release: The following signatures were invalid: BADSIG 2EBC26B60C5A2783 Medibuntu Packaging Team <admin@lists.medibuntu.org>
I have tried updating the keys, and got this:
apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 2EBC26B60C5A2783
Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /etc/apt/secring.gpg --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --recv-keys --keyserver keyserver.ubuntu.com 2EBC26B60C5A2783
gpg: requesting key 0C5A2783 from hkp server keyserver.ubuntu.com
gpg: key 0C5A2783: "Medibuntu Packaging Team <admin@lists.medibuntu.org>" 6 new signatures
gpg: no ultimately trusted keys found
gpg: Total number processed: 1
gpg: new signatures: 6
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Sep 3, 2010
I am trying to run Wattch simulator in linux.But it is giving the error below. what is this error and what do I do about it?
fatal: bad magic number in executable `prime' (not an executable?)
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May 4, 2011
Impossible to install the Lotus Notes 8.5.2 FP2
Code:
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May 19, 2011
How do I install Magic Jack on latest update?
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Aug 3, 2009
This should be simple. I am trying to run the software update. It goes through and finds the dependencies,
but comes back and says it can't find magic.mime. I see it in two locations under /usr/share. Where does it
need to be?
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Aug 18, 2010
I have upgraded from Fedora 9 to Fedora 13. When I try to install or update software I always get an error message "invalid GPG KEY" I checked my etc/pki/rpm-gpg directory and it appears I have all the keys. How do I know if they are valid? And if not how do I get the right stuff?
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Jul 3, 2011
i am trying to install ubuntu inside windows xp. But "invalid arguement" error occured.
log file is
[Code]...
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Jun 17, 2010
I am a long time Windows user and attempting to install Ubuntu Netbook 10 on my Acer Aspire netbook.I followed the steps:1) Downloading the Ubuntu ISO to my netbook hard drive.2) Installed Ubuntu from the netbook HD to USB using USB universal installer (also using the universal installer to format the USB)3) Set bios to first read USB deviceI receive the following message during the boot "Invalid system disk. Replace the disk, and then press any key.I have retried this process several times.
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May 4, 2011
I'm running 11.04 off of a 32gb flash drive. Something about grub on my install is messed up. When trying to boot after a normal shutdown, I get the following errors.
error: invalid environment block
error: invalid arch independent ELF magic
I think something about grubenv under /boot/grub is being corrupted. Loggin in under Ubuntu 10, I can make my way to the files on the 11.04 flash drive and issue the following commands to make it boot normally [URL]... file corruption happening? How can I fix it?
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Jul 18, 2011
suddenly after upgrade
2.6.38-10-generic-pae ===> Error 16: Incosistent filesystem structure
2.6.38-10-generic-pae (recovery mode) ===> Error 13: Invalid or unsupported executable format
2.6.38-10-generic ===> Error 13: Invalid or unsupported executable format
[code]....
b08e48b7-1194-49c1-a743-91e7ee90334e is a link to /dev/dm-2 which is my root partition on nvidia raid
PS: At first it did not boot at all dropping out to grub shell, but I managed to boot it with gparted live usb stick and chroot to Ubuntu and re-install grub, but now 2.6.38-8 kernel works and 2.6.38-10 is not
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Aug 12, 2011
I am trying to install Unbuntu 11.04 on a Via raid 0. I have windows already setup and it boots fine, but Ubuntu does not see the raid set. Running dmraid -ay (or any valid switch with dmraid) returns :
sudo dmraid -ay -v
ERROR: via: invalid checksum on /dev/sdb
ERROR: via: invalid checksum on /dev/sda
no raid disks
mainboard is Asus M2V, with 2x Hitachi 250Gb disks in raid 0 configuration set in BIOS. I have a 3rd hard disk on the onboard Marvell 88SE6121 sata controller but this is not seen at all by Ubuntu either. I was thinking of installing it here if Ubuntu does not work the RAID, but no go it would seem. I do remember installing an earlier version of ubuntu on this very same board using RAID 0 (2x 80Gb drives at that time) and the RAID was reconised and worked fine straight from live cd to full install.
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Apr 9, 2010
Today i upgraded my system and started getting error when i update, install or remove a package. The error isn't restricted only to one repository so i thing something is wrong with my system.
[Code]....
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Jan 11, 2010
I have a fairly old computer, (4 years) it is has an Intel Pentium 4 3,4 Ghz processor with 1,5Gb RAM, and had been running XP Home on a 80Gb HDD. About three weeks ago, I purchased a 500Gb HDD, and disconnected my old drive. I partitioned the new drive to 120 Gb and 380Gb. I put XP Pro on the 120Gb partition, and Ubuntu 9.10 on the balance.
On reboot, startup menu (grub?) gave me the option to boot from, among others, Ubuntu 9.10, and XP Pro. Both worked fine! I then reconnected the old drive, and if I wanted to boot up in XP Home, would tap "F8" on start-up, and select the old HDD to boot from. This was working fine and I was happy with the way it worked! This morning, when I re-booted, the Start-up menu now had XP Home added to the list.
If I select either Ubuntu 9.10 or XP Home, they both work fine, but if I select XP Pro, it give me the message "error: invalid signature" and when I press any key, brings me back to the menu.
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Jul 25, 2010
I'm trying to install Openshot 1.1.3. from source on Mandriva 2010. I don't understand what else I should do apart from the command "sudo python setup.py install", but clearly this isn't enough, because I get the following error message:
Error: invalid Python installation: unable to open /usr/lib/python2.6/config/Makefile (No such file or directory)
I've put the tarball at /usr/share/openshot-1.1.3. According to Software Management, I have python2.6 installed (and the other dependencies mentioned in the README), but what do I know. (I tried using an RPM file from rpm.pbone.net [URL], but that didn't work out either, I don't know whether this is the easier route or not.)
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Aug 8, 2010
Installed 10.04 on my daughters laptop from within windows Vista. All went OK but I had two boot loaders, i.e. turn on laptop and I would get the Windows loader asking if I want to boot in to windows or Ubuntu. Upon selecting ubuntu I would get the standard grub loader that I have on my PC. Did an update a few mins ago and it asked me to update grub which I did and as there was only one disk showing clicked forward. Now on reboot I have grub rescue prompt, no such device. Hard drive is a single 80 gig drive with windows on one partition and ubuntu in another. Have the live cd so can boot from that I guess. What do I do next?
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