Ubuntu :: No Bootloader After Kernel Update - Update-grub Hangs
Dec 1, 2010
Ran the updater, went to boot to Win7 to use Photoshop and realized that the grub menu was gone. Ubuntu boots by default now. I tried running "sudo update-grub" at a virtual terminal and while it listed the various linux kernels ok, it then got caught in a loop spitting out some crazy looking errors. I rebooted and Ubuntu came up fine. I tried running "sudo update-grub" again from the gnome terminal and it hangs the whole computer for a few minutes and finally gives me this:
[Code]...
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Feb 3, 2010
Linux distro:
Mandriva One 2010.0-KDE
kernel(after update):-> 2.6.31.12-desktop586-1mnb
Pentium 4 3.4GHz
Used to boot to kenrel 2.6.31.6 for the past 2 months updating my system whenever i was asked to-NO PROBLEMS so far(till yesterday in fact)Mandriva yesterday, offered a list of system updates including the kernel 2.6.31.12 and the respective Nvidia drivers.Boot to that kernel computer reacted as usual and everything seemed to run properly. HOWEVER,when i tried to shutdown the system everything powered off(hdd-keyboard) except the CPU(and the power supplier).I restart(manually) the system boot in and try to reboot it-NO Problem-logout NO Problem but FAILED TO SHUTDOWN PROPERLY AGAIN.
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Sep 1, 2011
The most recent kernel update, to version 2.6.38-11 has been a horror. It hangs on boot up. Sometimes I can get to the log in screen, then it hangs there as well. However, after 3-5 reboots (which is absolutely annoying to do when I just want to use my computer), it sometimes loads up finally. However, if I go to older Linux version in the Grub menu, then I can select 2.6.38-10 and it runs just fine.
So I am looking for a way to fix this problem, whether it be removing the most recent kernel update, or making 2.6.38-10 boot up by default. I noticed that the kernels are listed in the synaptic package manager, but I am afraid to remove the most recent one via synaptic. Is it as simple as removing the Linux version and headers I don't want, or are there other things I need to do in order to make 2.6.38-10 my default kernel at start-up?
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Sep 4, 2010
I have a problem with the kernel update to 2.6.34.6. Up until 2.6.33.x my system boots fine, but with this update the boot stops at the moment that the mouse cursor should become visible. To resolve the problem, I've gone back to 2.6.33.x and removed the 2.6.34 kernel but I wonder what happens with the next kernel update.
Anyone else having this problem?
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Aug 8, 2011
I am unable to boot with kernel 2.6.35.13-92.fc14.x86_64 which was installed while applying software updates. It hangs with the last message issued "Registering binary handler for Windows Applications". Searching led to it being related to a problem with the nvidia drivers. I followed the directions in several posts - delete /etc/X11/xorg.conf, reboot, run nvidia-xconfig, reboot and all is fine, but not in my case. The first reboot works but the screen is wrong. There is a 1 inch wide black border around the presentation window. If I then do the nvidia-xconfig and reboot, i am back to where I was before - boot hangs after issuing "Registering...". If I boot to the last good kernel, everything works fine. This happened to me once before and I was able to fix it by rebuilding the nvidia kernel (I think that was what I had to do), but I can't find out how to do that. I have akmod and kmod installed which are supposed to take care of this problem. I booted to kernel 13-92 recovery mode, deleted the xorg.conf file and ran nvidia-xconfig from there. Still fails. I don't know what to list here, but I will do my best to supply whatever is necessary.
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Apr 7, 2010
after doing an upgrade to 10.4 and updating grub I get this message. how do I address this
[Code]...
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Feb 5, 2010
I had Windoze 7 on my wife's laptop, it started running crappy so I install Ubuntu 9.10 via Wubi (so it is not a partitioned dual-boot). I did the latest update, which I think included a kernel update. When I rebooted and chose Ubuntu from the windows dual boot window, instead of loading the GRUB I see an error message flash:
Code:
TRY hd0: NTFS no Wubi(something-or-other)
it flashed almost too fast for me to catch - it took about 10 reboots to figure out that much... and then it goes to a screen that says
Code:
GNU GRUB version 1.97~beta4
sh:grub
I tried several different commands (you can prompt it to give you available commands by hitting TAB), but it said it couldn't detect a kernel. Also, before I updated, I had tried to install iTunes via these instructions. iTunes seemed to have installed fine, but I hadn't tried it yet.
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May 15, 2011
After upgrading Maverick (perfect!) to Natty, I was unable to boot into anything. (kernel 2.6.38). However, through much PITA, I was able to boot into an older kernel. (2.6.35). I completely removed 2.6.38, rebooted, reinstalled it and ran update-grub. However, 2.6.38 is no longer available no matter how many times I run update-grub, and the only option left is 2.6.35. In my humble opinion, the Natty upgrade experience is rubbish. (blank screen, total PC hangs, boots into a blank screen with only a blinking cursor, NVIDIA official driver not working, bootable only into older kernels etc.)
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Jun 13, 2011
On my laptop running Ubuntu 10.04 I have edited /boot/grub/grub.cfg in order for the shortcut keys for changing brightness and volume to work. I added
Code:
acpi_osi=Linux
at the end of every kernel image line, and it works ok. The only problem is that every kernel update overrides the grub.cfg and therefore I have to reedit the file over and over again. So the question is, where could I put the mentioned kernel startup parameter, so that it doesn't get lost on every kernel update.
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Jan 12, 2010
I'm running a dual boot Vista/Ubuntu Jaunty. I made some changes to the grab menu so that my windows OS would appear at the top of the list .I know I could have changed the default so that Vista would have been highlighted instead of Jaunty. But the reason I moved it to the top is because when I do a kernel update, I would still want Vista to be the default booting OS. Anyways, after the update my Vista OS disappeared from grub. It didn't get deleted because the Vista partition is still accessible from Jaunty. Can anyone help me boot into Vista and preferably make it the default OS even after a Kernel update? I attached part of my menu.lst .
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May 18, 2010
I'm using Ubuntu 10.04 Lucid LTS. I have problem with my Ubuntu,Whenever I ran "sudo update-grub" command it did not detect my Ubuntu kernel nor Windows XP installation on another drive (I installed Ubuntu and Windows in different drive).It just display "Generating grub.cfg" and then "done". No "Found kernel..." message.
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Sep 6, 2010
I did the kernel update via Update Manager today. Unfortunately , after this , disaster happened whereby sh.grub> prompt appeared on screen.
I got no idea how to rescue or repair the grub. I installed Ubuntu 9.10 in my E: under Windows 7 partition and labeled as "ubuntu". It has dual boot capability.
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Mar 21, 2011
Ubuntu 10.10 latest kernel 2.6.35-28.49 update is broken. update just stalls when it gets to this.Quote:
Sub-process /usr/bin/dpkg returned an error code (1)...generating grub.cfg I have tried the following to no avail..Quote: sudo apt-get install -f sudo dpkg --configure -a sudo apt-get update && sudo apt-get upgrade
I have not changed any hardware.
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Jan 9, 2010
I used the update manager to update the kernel and whatever the other recommended updates were yesterday. I shut the computer down overnight and now when i try to boot into Ubuntu 9.10 i get a basic grub shell and when i try commands like "boot" it tells me there is no kernel loaded. I installed Ubuntu with Wubi so it is a dual boot system.
I've tried to access the Linux volume with a live OpenSuse 11 CD but there is no device to mount. It sees the entire hard-drive as if it hasn't been partitioned. I don't necessarily need to fix the installation. I just need to get my files back.
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Jan 15, 2010
I run Ubuntu and yesterday the update manager downloaded a new kernel I think. It asked me to restart. I unlike before where when I select Ubuntu at boot up time and it just goes into it I am getting this black screen called GNU GRUB. What do I do here? Has Linux got corrupted by the updates I downloaded?
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Jun 3, 2010
I have some pending upgrades, one of which includes kernel 2.6.32-22 but whenever the upgrade gets to running the update-grub command, it gets stuck on "Found memtest86+..." Here's the actual output...
[Code].....
It's been hanging like this for hours today, preventing me from getting any of the pending upgrades. I've cancelled it several times, deleted the dpkg lock files and tried it again only to have it hang all over again.
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Dec 20, 2010
i have a Winxp and Ubuntu 10.10 system(wubi-install, update from 10.04 to 10.10).I have fixed the update problem 10.04 to 10.10 with the modified wubildr.Today there was a kernel update from 2.6.32 to 2.6.35 (???) and after the restart i can boot only xp.If i choose Ubuntu, there is a black screen and the computer restart. the ubuntudisksootgrub folder is empty!?!Here is my log:
Code:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
[code].....
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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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Sep 1, 2011
(after i update packages, it says error, and here's whats in the details tab)
Preconfiguring packages ...
(Reading database ... 197969 files and directories currently installed.)
Preparing to replace flashplugin-installer 10.3.181.34ubuntu0.11.04.1 (using .../flashplugin-installer_10.3.181.34ubuntu0.11.04.1_i386.deb) ...
code....
How to fix This? i haven't messed with Ubuntu much...Why am i getting an error about a kernel update?
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Oct 15, 2010
I have manually added an entry for Ubuntu in my grub menu, using Yast. But every time the kernel is updated, this entry disappears. On the other hand, the one for Windows, that was added during OpenSuse's installation, is still there. So how can I keep this entry for Ubuntu ?
Edit : when I save the menu configuration in Yast, I get the following message :
Code:
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
kbuildsycoca4 running...
kbuildsycoca4 running...
[Code]...
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Feb 5, 2010
I received an update to my kernel through the update manager (updated from ****.32.14 to ****.32.19, or something like that) but grub still shows the old kernel and not the updated one. Was this not a full kernel update and only a patch or do I have to do something to use the new kernel? I'm new bear with me if this doesn't make any sense.
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Dec 23, 2010
after yesterday's update to kernel 2.6.35.10-72 my grub.conf didn't get updated and ll /boot shows that neither vmlinuz or initramfs exist for that kernel. uname -r though tells me I'm running 2.6.35.10-72.
How can I do that? and on another more reallystic matter how can I generate the missing files so I can manually update grub.conf?
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Oct 23, 2009
I have my FC11 system set up to automatically download and install updates. I had to reboot yesterday because of one of these updates. It seems that this update messed up grub. When I rebooted I only got the flickering cursor. So far I have tried the following using the rescue disk and executing chroot /mnt/sysimage
fdisk -l gives me this result :
I have /dev/sda, /dev/sdb, /dev/sdc
Boot flag is with /dev/sda1 which also has FIlesystem Linux, where the other I notice have filesystem Linux LVM (don't know if that is relevant).
I tried to restore grub.
grub
> find /grub/grub.conf
hd(0,0)
> root (hd0,0)
Filesystem type is ext2fs partition type 0x83
> setup (hd0)
and there were no error messages. However, no change when rebooting.
The device map says that
hd0 = /dev/sda
hd1= /dev/sdb
hd2= /dev/sdc
I also did a grub-install --recheck /dev/sda. All to no avail.
The following struck me as strange, but not sure how relevant :
- In grub, "find /boot/grub/grub.conf" gave me "file not found"; however, with ls I do see a /boot/grub/grub.conf and also a /etc/grub.conf
- This grub.conf file says that boot=/dev/sdc (where the boot flag is with /dev/sda) and all references are to (hd2,0) whereas the "find /grub/grub.conf" always gives me "(hd0,0)" as said above.
- There seems to be no /grub/grub.conf file on my system except under the /boot directory
- I have also tried resetting the boot flag to /dev/sdc with fdisk, but that did not help either.
- originally, I did set the system up on /dev/sdc by the way
Am just trying to guess now what other combinations I could try. I already tried in BIOS to boot from all the different devices. No luck.
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Aug 14, 2011
I use full encryption on this net-book, with the help of LUKS. One key part of the setup is to configure /etc/sysconfig/bootloader with the initial boot options (along the lines of
Code:
root=/dev/mapper/root luks_root=/dev/sda5 luks_home=/dev/sda5 luks_swap=/dev/sda2 luks="root home swap"
). That way a kernel update is installed properly, usually...
[code]....
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Jun 12, 2011
after every update extra fedora link generates at bootloader menu , till today i updated thrice and 3 fedora with diferent version is comming up at the boot menu along with other (win7) so if i updated f14 100 times then 100 fedora link will come at boot menu or what ?
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May 2, 2015
After some updates Jessie 8 my boot grub shows now 2 kernel versions to boot from.
3.16.0-4-amd64
3.16-3-amd64
- How do I know which one is the newest and if happy with it, how to remove the older one?
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Mar 22, 2010
When running Update Manager in KDE, it always hangs at 66/67 files, and I have to click cancel. I then get:
Failed to fetch http:[url]...
Failed to fetch http:[url]...
Some index files failed to download, they have been ignored, or old ones used instead.
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Dec 4, 2009
I have recently rebooted after applying weeks of updates and I cannot login through ssh. In the /var/log/secure log it shows the public key is accepted but the session never gets to a bash prompt and ctrl-c must be issued from the connecting xterm. I have tried to connect from several other redhat and ubuntu machines all with the same result.
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Jan 16, 2010
I'm trying to edit my Grub menu by removing the older kernel after I ran updates as well as make my Windows 7 install first on the list.
I ran...
Code:
sudo gedit /boot/grub/menu.lst
and edited it accordingly.
After that I ran...
Code:
sudo update-grub
I restarted and see no changes on my grub menu. Running 1.97 beta4 if it makes a difference.
Oh and btw I am a complete n00b with linux.
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Jan 9, 2010
I did an update recently and it won't continue booting past a certain point - which I think is rather strange, the last message I can manage to see is:
Code:
* Starting init crypto dicks...
No. That's not a typo. I couldn't believe my own eyes - I took a picture: [URL]
I can guarantee you this is not a joke. I suspect my video card is aging on me as I get a 'London Pound" symbol on my CLI terminal sometimes.
Anyway, that's not the real issue for me. I cannot start into 2.6.31-17, but I can start into 2.6.31-16 - is anyone else having this problem?
Edit: Restarting doesn't give me the crypto dicks thing but I still get another common error:
Code:
init: ureadahead-other main process (###) terminated with status 4
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