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Downgrade Ubuntu 12.04 kernel to 2.6.x

Will a 10.04 driver work on 12.04?I can not find /sys/kernel/debug/vgaswitcheroo/switchHow do I downgrade kernel on 12.10?Virtual Box Kernel errorDo I need to upgrade my kernel?“New hardware supports is… ” button, will this change my 12.04LTS to 14.04LTS?latest kernel killed my ThinkPad W520 hotkeysUbuntu 12.04 unmet dependency errorgrub update in running systemWhy I failed to get the correct linux kernel versionInternet speed reduction (on installed system) Kubuntu 18.04 LTS

0

I currently have the most up-to-date kernel (Linux user-desktop 3.2.0-67-generic #101-Ubuntu SMP Tue Jul 15 17:46:11 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux) of Ubuntu 12.04 on my x86_64 computer, but in order for some hardware to work, I need to have the 2.6.x kernel.

How is it possible to safely downgrade the Kernel to 2.6.x version without losing data, programs or anything else?
Is then also possible to install kernel 2.6.x side-by-side with the latest one, so that from Grub I can choose which version I want to start?

12.04 kernel lts downgrade

share|improve this question

asked Jul 21 '14 at 9:17

linellolinello

11116

bumped to the homepage by Community♦ 3 hours ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

add a comment | 

0

I currently have the most up-to-date kernel (Linux user-desktop 3.2.0-67-generic #101-Ubuntu SMP Tue Jul 15 17:46:11 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux) of Ubuntu 12.04 on my x86_64 computer, but in order for some hardware to work, I need to have the 2.6.x kernel.

How is it possible to safely downgrade the Kernel to 2.6.x version without losing data, programs or anything else?
Is then also possible to install kernel 2.6.x side-by-side with the latest one, so that from Grub I can choose which version I want to start?

12.04 kernel lts downgrade

share|improve this question

asked Jul 21 '14 at 9:17

linellolinello

11116

bumped to the homepage by Community♦ 3 hours ago

This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.

add a comment | 

I currently have the most up-to-date kernel (Linux user-desktop 3.2.0-67-generic #101-Ubuntu SMP Tue Jul 15 17:46:11 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux) of Ubuntu 12.04 on my x86_64 computer, but in order for some hardware to work, I need to have the 2.6.x kernel.

How is it possible to safely downgrade the Kernel to 2.6.x version without losing data, programs or anything else?
Is then also possible to install kernel 2.6.x side-by-side with the latest one, so that from Grub I can choose which version I want to start?

12.04 kernel lts downgrade

share|improve this question

asked Jul 21 '14 at 9:17

linellolinello

11116

share|improve this question

asked Jul 21 '14 at 9:17

linellolinello

11116

share|improve this question

asked Jul 21 '14 at 9:17

linellolinello

11116

asked Jul 21 '14 at 9:17

linellolinello

11116

asked Jul 21 '14 at 9:17

linellolinello

11116

1 Answer
1

active

oldest

votes

0

I would be hopeful that 12.04 could run on Linux 2.6. It's not much older than the initial 3.0 release so I doubt there's much that relies on 3.0-only APIs.

The core Linux developers still maintain one 2.6 kernel (currently at 2.6.32.63) although in the .58 release notes it was said that the maintenance will slow down and will, one day, eventually stop.

2.6.32.* is also still being built for Lucid (10.04 LTS). You can find the packages for this in the Kernel PPA but if you're reading this answer any significant time after it was posted, check the listings. You will need to manually download the packages for your architecture and install them.

You will also need to monitor 2.6 releases and upgrade under your own volition. Ubuntu won't automatically update these packages for you so you'll have to go back to the PPA.

Lucid support will in April 2015 so I expect these builds to end. After that your remaining options are:

• Download from kernel.org and compile it yourself, though I expect maintenance to tail off after Lucid dies.


• Pay your hardware vendor to upgrade their driver for 3.* kernels.


• Replace the hardware with a version that is still supported.


• If the vendor doesn't exist any more and there isn't replacement hardware out there, you could probably pay somebody to port the driver.

And you have to keep in mind that this might all come to nothing. There simply might be things in 12.04 that rely on 3.* features.

---

In terms of your auxiliary questions, yes it should be possible to install alongside older kernels and yes, that will result in being offered a choice at the Grub screen. That said the newest kernel will, by default, always be the first choice.

You could probably hardwire around that by editing the grub configuration.

share|improve this answer

edited Jul 21 '14 at 10:11

answered Jul 21 '14 at 9:44

Oli♦Oli

222k88564765

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I can't find linux-image 2.6.x in my synaptic on 12.04, so should I use the PPA?
  
  – linello
  Jul 21 '14 at 9:53
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I'd give it a shot. Yeah none of these packages will be in the main repos for Precise so you'll need to manually download whatever packages you need from the PPA (links in the third paragraph)
  
  – Oli♦
  Jul 21 '14 at 10:13
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Which of the many kernels out there is the complete latest 2.6.X kernel?
  
  – linello
  Jul 21 '14 at 10:17
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  My answer does already cover that, already links to the latest version, and the list does have dates too. But once again 2.6.32.63 is the latest build.
  
  – Oli♦
  Jul 21 '14 at 10:20
  

  
  
  
  

add a comment | 

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0

I would be hopeful that 12.04 could run on Linux 2.6. It's not much older than the initial 3.0 release so I doubt there's much that relies on 3.0-only APIs.

The core Linux developers still maintain one 2.6 kernel (currently at 2.6.32.63) although in the .58 release notes it was said that the maintenance will slow down and will, one day, eventually stop.

2.6.32.* is also still being built for Lucid (10.04 LTS). You can find the packages for this in the Kernel PPA but if you're reading this answer any significant time after it was posted, check the listings. You will need to manually download the packages for your architecture and install them.

You will also need to monitor 2.6 releases and upgrade under your own volition. Ubuntu won't automatically update these packages for you so you'll have to go back to the PPA.

Lucid support will in April 2015 so I expect these builds to end. After that your remaining options are:

• Download from kernel.org and compile it yourself, though I expect maintenance to tail off after Lucid dies.


• Pay your hardware vendor to upgrade their driver for 3.* kernels.


• Replace the hardware with a version that is still supported.


• If the vendor doesn't exist any more and there isn't replacement hardware out there, you could probably pay somebody to port the driver.

And you have to keep in mind that this might all come to nothing. There simply might be things in 12.04 that rely on 3.* features.

---

In terms of your auxiliary questions, yes it should be possible to install alongside older kernels and yes, that will result in being offered a choice at the Grub screen. That said the newest kernel will, by default, always be the first choice.

You could probably hardwire around that by editing the grub configuration.

share|improve this answer

edited Jul 21 '14 at 10:11

answered Jul 21 '14 at 9:44

Oli♦Oli

222k88564765

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I can't find linux-image 2.6.x in my synaptic on 12.04, so should I use the PPA?
  
  – linello
  Jul 21 '14 at 9:53
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I'd give it a shot. Yeah none of these packages will be in the main repos for Precise so you'll need to manually download whatever packages you need from the PPA (links in the third paragraph)
  
  – Oli♦
  Jul 21 '14 at 10:13
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Which of the many kernels out there is the complete latest 2.6.X kernel?
  
  – linello
  Jul 21 '14 at 10:17
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  My answer does already cover that, already links to the latest version, and the list does have dates too. But once again 2.6.32.63 is the latest build.
  
  – Oli♦
  Jul 21 '14 at 10:20
  

  
  
  
  

add a comment | 

0

I would be hopeful that 12.04 could run on Linux 2.6. It's not much older than the initial 3.0 release so I doubt there's much that relies on 3.0-only APIs.

The core Linux developers still maintain one 2.6 kernel (currently at 2.6.32.63) although in the .58 release notes it was said that the maintenance will slow down and will, one day, eventually stop.

2.6.32.* is also still being built for Lucid (10.04 LTS). You can find the packages for this in the Kernel PPA but if you're reading this answer any significant time after it was posted, check the listings. You will need to manually download the packages for your architecture and install them.

You will also need to monitor 2.6 releases and upgrade under your own volition. Ubuntu won't automatically update these packages for you so you'll have to go back to the PPA.

Lucid support will in April 2015 so I expect these builds to end. After that your remaining options are:

• Download from kernel.org and compile it yourself, though I expect maintenance to tail off after Lucid dies.


• Pay your hardware vendor to upgrade their driver for 3.* kernels.


• Replace the hardware with a version that is still supported.


• If the vendor doesn't exist any more and there isn't replacement hardware out there, you could probably pay somebody to port the driver.

And you have to keep in mind that this might all come to nothing. There simply might be things in 12.04 that rely on 3.* features.

---

In terms of your auxiliary questions, yes it should be possible to install alongside older kernels and yes, that will result in being offered a choice at the Grub screen. That said the newest kernel will, by default, always be the first choice.

You could probably hardwire around that by editing the grub configuration.

share|improve this answer

edited Jul 21 '14 at 10:11

answered Jul 21 '14 at 9:44

Oli♦Oli

222k88564765

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I can't find linux-image 2.6.x in my synaptic on 12.04, so should I use the PPA?
  
  – linello
  Jul 21 '14 at 9:53
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I'd give it a shot. Yeah none of these packages will be in the main repos for Precise so you'll need to manually download whatever packages you need from the PPA (links in the third paragraph)
  
  – Oli♦
  Jul 21 '14 at 10:13
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Which of the many kernels out there is the complete latest 2.6.X kernel?
  
  – linello
  Jul 21 '14 at 10:17
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  My answer does already cover that, already links to the latest version, and the list does have dates too. But once again 2.6.32.63 is the latest build.
  
  – Oli♦
  Jul 21 '14 at 10:20
  

  
  
  
  

add a comment | 

I would be hopeful that 12.04 could run on Linux 2.6. It's not much older than the initial 3.0 release so I doubt there's much that relies on 3.0-only APIs.

The core Linux developers still maintain one 2.6 kernel (currently at 2.6.32.63) although in the .58 release notes it was said that the maintenance will slow down and will, one day, eventually stop.

2.6.32.* is also still being built for Lucid (10.04 LTS). You can find the packages for this in the Kernel PPA but if you're reading this answer any significant time after it was posted, check the listings. You will need to manually download the packages for your architecture and install them.

You will also need to monitor 2.6 releases and upgrade under your own volition. Ubuntu won't automatically update these packages for you so you'll have to go back to the PPA.

Lucid support will in April 2015 so I expect these builds to end. After that your remaining options are:

• Download from kernel.org and compile it yourself, though I expect maintenance to tail off after Lucid dies.


• Pay your hardware vendor to upgrade their driver for 3.* kernels.


• Replace the hardware with a version that is still supported.


• If the vendor doesn't exist any more and there isn't replacement hardware out there, you could probably pay somebody to port the driver.

And you have to keep in mind that this might all come to nothing. There simply might be things in 12.04 that rely on 3.* features.

---

In terms of your auxiliary questions, yes it should be possible to install alongside older kernels and yes, that will result in being offered a choice at the Grub screen. That said the newest kernel will, by default, always be the first choice.

You could probably hardwire around that by editing the grub configuration.

share|improve this answer

edited Jul 21 '14 at 10:11

answered Jul 21 '14 at 9:44

Oli♦Oli

222k88564765

share|improve this answer

edited Jul 21 '14 at 10:11

answered Jul 21 '14 at 9:44

Oli♦Oli

222k88564765

answered Jul 21 '14 at 9:44

Oli♦Oli

222k88564765

answered Jul 21 '14 at 9:44

Oli♦Oli

222k88564765