For Kernels other than 3.4.x - Ubuntu Touch Q&A, Help & Troubleshooting

Will Ubuntu touch be made for kernels other than 3.4.x??

They base it on Android kernels for their devices. So basically whatever the Handset manufacturer managed to release/ update to. That's not necessarily a 3.4. I think the BQ M10 tablets have 3.10 kernels.

Related

[Q] Why a kernel is compatibile with 4.1 but not with 4.0 and is possibile a merge ?

Hi, i've a Gnex and i see that developers need to release two branches of their kernel since 4.1 aosp is avaible and they're not compatibile (4.0.x and 4.1).
What's the tecnical reason ?
Then i have a TF300T with a laggish 2.6.x kernel and i would like to compile a 3.1 build coming from nexus 7 tab sources (same hw platform).
Is there a way to merge 2.6.x sources with 3.1 and create a kernel image that runs on 4.0.3/4 ?
Really thanks for answers

[Q] AOSP/CM vs Stock kernels

Can someone explain to me why AOSP and stock kernels (like Samsung stock kernels for example) only work on whatever type of ROM they're compiled for?
Also, why are most CM kernels still stuck on 3.0.64 when the official Linux kernel is on 3.11/3.12 now?

[Q] LG L9 Kernel

I have a question about kernel,
Why our kernel stil in 3.0.31? while other device have update to 3.4.1xx,
maybe sir @artas182x @Rammar515 or @sguerrini97 have the answer..
thanks
I remember that artas182x compared gps on 3.0.31 and next version and he said that on 3.0.31 gps works better. For me doing something in kernel is like juping on the fire - still scarred doing something there
It is hard to port 3.4.x kernel to OMAP devices because of problems with drivers. But my kernels have some drivers ported from 3.4.x kernels. Just look how Galaxy Nexus tried to port this kernel. Kernel 3.0.x works great, why we should release unstable kernel.
thanks for the answer sir...
its solve my curiosity...
keep update on lollipop..

Using a pre-built MTK6589/8389 kernel in a custom (Lollipop) ROM

I've got an old Lenovo S6000 which, like every other Mediatek device, has incomplete source code for the drivers and the kernel. As a small project, I would like to try and get Android Lollipop up and running to an extent where:
the system boots to the GUI;
the Wi-Fi works;
and the touchscreen works.
just to start off.
The device currently is rooted, with ClockworkMod recovery installed, and I can create Android back-ups of the system. Could I potentially take the kernel and the proprietary blobs and build them in to a CyanogenMod 12 update? Or would the kernel have to be patched to support the new features in Lollipop (the current OS running on the device is Android 4.2.2, and there have been no other working attempts to create a custom ROM for the device)?
Thanks,
George
Sir I want to know Mediatek 6589 3.4.5 kernel can be used with any custom lollipop ROM or it need development for doing that? what can be done to update device with latest android ROM, what is required for developing ROM and kernel? Do all Mediatek 6589 chipsets share same kernel? because sony has released the source code for 3.4.5 kernel but I don't know how to use it for development of new ROM with latest android, how cyanogen do that?
http://developer.sonymobile.com/dow...es/open-source-archive-for-build-16-0-a-0-36/
this is the link to xperia c 3.4.5 kernel source code. please check it sir.

How to update kernel to support a newer version of android?

Hello
I have stock kernel of a device in 3.4.X version. I have a newer kernel for that device, version 3.10. The newer kernel works with new android versions, like lollipop, marshmallow... But it is very buggy as some drivers are not correctly developed for that kernel version.
For that reason I want to update my 3.4.X kernel source, which works perfectly with KitKat and some lollipop ROMs, to support newer Android versions like Marshmallow or Nougat. I know other devices that continue using that kernel version for Nougat, so I want to do the same.
What are the steps I have to follow? I think that merging patches from other updated kernel versions could make it possible, but I'm not sure. Please help me.

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