Ubuntu :: Booting With Certain Versions Of The Kernel
Jul 14, 2010
I've been having some odd kernel issues recently. A while back I installed 2.6.32rc6 when I first upgraded to 9.04, because it solved issues I was having with surround sound. A few months back I installed mythtv and the mythbuntu binaries as well, although I have since uninstalled them. All of a sudden, I seemed to have issues booting into ubuntu with certain versions of the kernel, where it would just freeze at the white ubuntu logo, while other versions of the kernel would load fine (I think 2.6.31?) but it would display the mythbuntu logo instead (not sure if this is related).
I just upgraded to 10.04, and I still seem to have issues booting with certain kernel versions. Right now I'm running 2.6.32-020632rc6-generic which seems to work, but it's outdated, and I have surround sound issues again. Which one should I be using? Is there a way to clean this mess up? How do I fix the problem of freezing at the boot screen?
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Dec 9, 2009
I'm wondering how I would go about dual-booting Ubuntu with openSUSE installed first?
I'm just a little bit concerned about the versions of Grub overwriting the openSUSE version or theme or something.
Would it work okay if I just shrink my openSUSE partition and then set the Ubuntu installer to install Ubuntu to the free space only or do I need to edit the grub file and stuff?
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Apr 16, 2011
it turns out that I don't have my Ubuntu option in GRUB any more. I need the kernel version in order to add it to my list file. Any help? I can't boot it to find out because GRUB doesn't recognize it as an option.
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Mar 17, 2011
How do I know the exact kernel version (or rpm package name) of fedora 14 without having to install one? I couldn't find the information on the the website. And one more question. Does one fedora distribution has only one kernel available all the time? Where can I find all the kernels for a particular distribution (for example Fedora 12) distributed by Fedora Project? I can find all the available kernels for a RedHat Enterprise distribution on [URL], but not for Fedora.
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Mar 11, 2010
When yum updates the kernel it keeps the last 3 versions; the older kernels are deleted. Is there a way to keep more than 3 versions?
I presently have one working version and two which are not compatible with my machine. One more bad version and my system will be toast. (I would like to keep the "bad" versions for testing.)
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Mar 3, 2010
My Grub2 boot menu includes:
Ubuntu, Linux 2.6.31-19-generic
Ubuntu, Linux 2.6.31-19-generic (recovery mode)
Ubuntu, Linux 2.6.31-14-generic
Ubuntu, Linux 2.6.31-14-generic (recovery mode)
Q1) I only really need the latest kernel, 2.6.31-19, don't I?
Q2) So how can I get rid of the two 2.6.31-14 entries?
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Apr 14, 2010
Here's how to always have only the latest kernel version in your grub:
Code:
sudo gedit /etc/grub.d/10_linux
Find these lines:
Code:
list=`for i in /boot/vmlinu[xz]-* /vmlinu[xz]-* ; do
if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
done`
And change it with this:
Code:
for ver in /boot/vmlinu[xz]-* ; do
list="$ver"
done
Notice two differences.
1. There's no ` before "for" and after "done" keywords.
2. There's no list= before "for"
If you want to change the name of entry, scroll down to the end of the file and find last two occurrences of:
Code:
linux_entry
${OS} stands for Ubuntu and ${version} stands for your kernel version. I changed this into:
Code:
linux_entry "${OS} 9.10 Karmic Koala"
You can use your own imagination. If you want to have specific name for your Windows entry, in /boot/grub/grub.cfg copy everything between:
Code:
### BEGIN /etc/grub.d/30_os-prober ###
and
Code:
### END /etc/grub.d/30_os-prober ###
paste it in
/etc/grub.d/40_custom
Change the text between double quotes right after menu entry. (For example, my 40_custom looks like this now:
Code:
#!/bin/sh
exec tail -n +3 $0
# This file provides an easy way to add custom menu entries. Simply type the menu entries you want to add after this comment. Be careful not to change the 'exec tail' line above.
menuentry "Windows 7" {
insmod ntfs
set root=(hd0,1)
search --no-floppy --fs-uuid --set bcdc24dddc249424
chainloader +1
}
)
and make 30_os-prober not executable:
Code:
sudo chmod -x 30_os-prober
If you want to remove recovery mode entry, just uncomment this line in /etc/default/grub:
Code:
#GRUB_DISABLE_LINUX_RECOVERY="true"
PS Don't forget to run
Code:
sudo update-grub
After you finish editing everything! And check in /boot/grub/grub.cfg if everything is ok!
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Sep 12, 2010
I have looked for existing threads on this issue, but found no matches, so I am starting a new one.I first installed Ubuntu 9.04 on my laptop from a bought CD last year. When I later installed the kernel updtates with the Update Manager, I noticed the the list of versions growing when I booted up. Then something horrible happened. After installing maybe the third or fourth kernel update, I couldn't boot into Ubuntu, it failed every time. After that I left Ubuntu broken on my laptop for a while.I have now reinstalled from the CD again However, I am now very wary when it comes to installing even the important security updates, never mind the recommended ones! I prefer to keep it simple, because I don't want to do any more reinstalls for a while. So far I have just one kernel headers update on the boot list, and I am trying to figure out how to remove the previous one. I do not see the point in having a growing list of them again.
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Dec 11, 2010
In the processing of reinstalling VirtualBox, I found this：2.6.35.6-48.fc14.i686.PAE/source -> /usr/src/kernels/2.6.35.6-48.fc14.i686.PAE/ ，but this folder don't exist.。 I try to relink the ln as source -> /usr/src/kernels/2.6.35.9-64.fc14.i686.PAE , but VirtualBox still get problem with the kernel. Since VirB works fine with other 2 kernels, the solution for this is not quite needed, but I just wonder why this happens. See below. I don't know why these two folder contain different version of kernels. Anybody get an idea?
2.6.35.6-48.fc14.i686.PAE]$ ll /usr/src/kernels/; ll /lib/modules/; ll /lib/modules/2.6.35.6-48.fc14.i686.PAE/ |grep build
total 16
drwxr-xr-x. 22 root root 4096 Nov 19 14:58 2.6.35.6-45.fc14.i686
drwxr-xr-x. 22 root root 4096 Nov 15 00:04 2.6.35.6-48.fc14.i686
drwxr-xr-x. 22 root root 4096 Dec 8 17:08 2.6.35.9-64.fc14.i686
drwxr-xr-x. 22 root root 4096 Dec 8 15:19 2.6.35.9-64.fc14.i686.PAE
[Code]...
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May 19, 2011
I checked my kernel version (uname -r) and see I'm on "2.6.34.8-0.2-default", and I noticed that they just released 2.6.39. I'm assuming (perhaps incorrectly) that there's been at least versions 2.6.35/6/7/8 released in there. Why isn't my openSUSE 11.3 using anything more recent than .34? How does this updating work? Is 11.4 on a more recent one?
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Jul 28, 2010
I need to prevent that the latest kernel update removes the only kernel that still works in my computer. how can i do this? Currently I have 3 linux kernels versions:
Code:
Ubuntu 10.04 LTS, kernel 2.6.32-23-generic
Ubuntu 10.04 LTS, kernel 2.6.32-23-generic (recovery mode)
Ubuntu 10.04 LTS, kernel 2.6.32-22-generic
[code]...
But only the oldest works. With the new update there is a new kernel version (2.6.32-24) that possibly will not boot (like previous 2.6.32-* kernels) and also I expect that, as in previous updates, the oldest kernel will become inaccessible, thus rendering my ubuntu unbootable.
PS: unsolved threads on the underlaying problem: Can't boot default kernel after upgrading from 9.xx to 10.04 lucid Upgrade to 10.04 freezes on the Ubuntu screen
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Dec 30, 2010
Trying to install VMWare I get the following message:
Really after it VMWare anyway doesn't agree to install. Zypper says that no newer version of gcc is available. So I can't see how I can install VMWare.
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Jun 30, 2011
I'm not to clear on the difference between LTS versions and other versions, but think I may want to go with LTS. Can someone tell me if my thinking is correct given the following situation: I have some very cool, but very expensive software installed with a group license from my school, a school which I am not going to be attending for too much longer. So I want to go as long as possible without reinstalling Ubuntu, because once the product is licensed it will be licensed until I reinstall Ubuntu (or I uninstall the program). So I think this is going to require me keep the Ubuntu version I install as long as possible.
So in this case, should I go with 10.04LTS or should I just install Natty Narwhal and keep that as long as possible? It looks like 10.04LTS will be "supported" longer, but I'm not exactly clear on all that "supported" entails. Presumable it means security and software updates will be available for 10.04LTS for much longer than 11.x versions? So I'm thinking I should go with 10.04LTS
Is my thinking correct in going with 10.04LTS? Edit: It was pointed out that this would be against my contractual agreements. Which I suppose is probably true.
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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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Feb 28, 2010
I built a home server (NAS/WWW/SSH/media server etc) and chose CentOS 5 as the OS (stability, easy of configuration).I was just about to start tuning the power consumption when I realised that the kernel CentOS uses is so "old" that it does not support the latest reduced power consumption enhancements that Linux has achieved in big strides in the recent past (we are probably still talking 6-12+ months ago e.g. tickless kernel)..
So my questions; 1) I know CentOS was maybe not meant for home servers (certainly its not its primary purpose), but if it is, any ideas of what kind of power consumption it takes (I know its relative) and if there are particular power consumptions that are worthwhile?
2) Do you recommend me compiling my own 2.6.21+ kernel from kernel.org or am I just likely to have compatibility issues (I really did not want to do that) or when is CentOS 5.4 supposed to have a newer 2.6.21+ version kernel?
Was it wrong of me in principle to choose CentOS for a home server when I am power conscious? (I don't have a low-power VIA processor either but a P4 so I am really just hoping to make do with software changes).
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Nov 24, 2010
Since upgrading to 10.10, I've been unable to boot the 2.6.35 kernels, either -22 or -23. I've been booting with the 2.6.32-25 instead, but I would like to get this resolved.
I can provide more detailed info at request; the output of lshw, if that'll be useful, or details of GRUB.
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Aug 15, 2010
I'm trying ti boot an xubuntu lice cd 6.06 on a new computer , Intel DG43NB board. I have tried several options at boot with the f6 key and have had no luck at all.It goes to the OK booting the kernel screen and locks up there.
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Feb 17, 2011
I just built a computer with these specs:
Asus P7P55D-E Pro Mother Board
2 x 4gb GSkill RipJaw 1333
Intel Core i5-760 cpu
MSI nVidia GeFore GTX-460 Video Card
When I try to boot from a live CD/USB I always get some sort of kernel panic, most times about USB controllers and other times about cpu_idle. I have pictures of these that I can post but nothing from any logs because this is happening even before I install. I have left memtest running over night for 11 hours and had no problems, I have tried to boot with only one stick of memory, I have changed the video card to a GeForce 8800 and I have tried everything on a different motherboard and still no luck. Would I wrong to say that there is a problem with the CPU and should I return it? My only problem with all of this is that Windows installs perfectly fine on the computer with zero problems...weird.
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Apr 26, 2010
I had fedora-11 installed and the kernel version was 2.6.29 I downloaded new kernel version 2.6.33.2 and did following,
make mrproper
make
make modules_install
make install
when I rebooted and selected 2.6.33.2 from grub entry, fedora logo came and spalshed, after that monitor started blinking and now its not going anywhere, i can see blank screen and nothing else. If I do ctrl+alt+del it shuts down the system normally.
I tried interactive mode also system did fine untill this point "registering binary handler for windows application" after that the same problem came, monitor started blinking and screen is blank., Any pointer regarding this will be helpful , what exactly went wrong? I can provide more info if u need it.
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Jun 2, 2011
I have been following along with Linux from Scratch 6.8 and everything has been going well. I got past an issue with GRUB (Ubuntu 11.04 uses a different version of GRUB than LFS so caused some issues).
Now when I boot into the Linux kernel recommended in the LFS book, 2.6.37, I get the following kernel panic: "VFS: Cannot open root device "sdf6" or unknown-block(0,0)". I'm sure this means that I didn't load the right drivers when I configured the kernel. But I went back in and recompiled and chose every SATA driver listed and I still got that error. It does let me boot into the kernel that Ubuntu used (2.6.38) so I guess I'm ok. I just want to know how to get the 2.6.37 to compile right.
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Nov 7, 2010
I may just be stupid asking this but how do i boot a kernel and an initrd from a cd? it is larger than a floppy so i can't emulate a floppy.
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Feb 15, 2011
i have installed kernel 2.6.29.1 on fedora14. when i tried to boot the kernel 2.6.29.1 it does some USB identification,and then it got hanged and displays nothing... logs are
[1.955941]usb3-1: configuration #1 chosen from 1 choice
[2.054770]input: ImPS/2 Logitech Wheel Mouse as /devices/platform/i8042/serio1/input/input1
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Sep 4, 2010
Why my 10.04 install runs out of memory when it has hardly had chance to load the kernel. The symptoms were that it sometimes will hang after the grub screen with a blinking cursor. My user space splash screen doesn't appear either, it was when I was trying to fix that that I spotted the problem:
from my dmesg file:
Code:
[5.778823] lowmem_reserve[]: 0 0 24846 24846
[5.778829] HighMem free:3204284kB min:512kB low:3852kB high:7196kB active_anon:192kB inactive_anon:256kB active_file:596kB inactive_file:2288kB unevictable:0kB isolated(anon):0kB isolated(file)
:0kB present:3180408kB mlocked:0kB dirty:0kB writeback:0kB mapped:1240kB shmem:144kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:356kB unstable:0kB bounce:0kB writeback_
tmp:0kB pages_scanned:0 all_unreclaimable? no .....
This is a few seconds after loading the kernel.
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Sep 21, 2010
I recently got the Message, that i should do a partial System Upgrade. It included an update to Kernel 2.6.34. Since this update, i cannot boot with this kernel:
Code:
Mounting none on /dev/ failed...
i can still boot with older kernels, but many drivers including wifi and graphics drivers dont work there anymore.
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Mar 8, 2011
I know that I can get information from my running kernel using the uname command.My question is, how can I retrieve the kernel information from the other distros without booting into them?For example, I have Debian installed on /dev/sdd1 with two kernels in /boot. How do I go about getting the information from these kernels similar to what uname gives?
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Feb 15, 2011
i have installed kernel 2.6.29.1 on fedora14. when i tried to boot the kernel 2.6.29.1 it does some USB identification,and then it got hanged and displays nothing... logs are [1.955941]usb3-1: configuration #1 chosen from 1 choice [2.054770]input: ImPS/2 Logitech Wheel Mouse as /devices/platform/i8042/serio1/input/input1
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Feb 9, 2011
I followed the documentation for upgrading lenny -> squeeze. After reboot I get 2.6.26 not 2.6.32. I also ran 'update grub' before reboot. Here is what I have:
jurka@arkiv-x:~$ dpkg -l linux-image-2.6.*
ii linux-image-2.6.26-1-686 2.6.26-13lenny2
Linux 2.6.26 image on PPro/Celeron/PII/PIII/P4
ii linux-image-2.6.26-2-686 2.6.26-26lenny2
Linux 2.6.26 image on PPro/Celeron/PII/PIII/P4
ii linux-image-2.6.32-5-686 2.6.32-30
Linux 2.6.32 for modern PCs
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Oct 7, 2010
Had a custom kernel (2.6.35.5) running under Slackware 12.1 and also the same kernel on an Ubuntu 10.04 machine just fine, however after a clean install of Slackware 13.1 this kernel no longer works (This kernel was re-compiled with the same .config file under Slack 13.1) as I keep getting the the following: -Please append a correct "root=" boot option Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,3) The strange thing is it keeps looking for the root file system in hda1, however the stock 13.1 kernel finds it in /dev/sda1 so the root partition is /dev/sda1 in lilo and the harddisk is known as /dev/sda.
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Nov 12, 2010
ive been trying to install a program called stanton finalscratch which runs on a linux platform dedicated to itself and when i try to install on a seperate partition to my windows xp sp3, it gets as far as...
uncompressing linux ok, booting the kernel then nothing happens. i dont know that much about programming computers so any answers need to be put simply. on the setup screen it says it is syslinux v1.66 thats as much as i know. if any other info is needed i will do all i can to provide it.
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May 27, 2010
Dell optiplex 740 running slackware64-13.0 2.6.34 #1 SMP Mon May 17 13:50:21 EDT 2010 x86_64 AMD Athlon(tm) 64 X2 Dual Core Processor 5000+ AuthenticAMD GNU/Linux downloaded install DVD using Eric's mirror script burnt two dvds
I get the screen asking if I need to enter anything press enter the dots run across the bottom of the screen then jump to the top and machine dies after line "Booting kernel" even the 'elephants can't get it to move' power off is only option other dvd's are bootable including ones burnt on this machine after the 13.1 dvd
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