After seeing that the Galaxy Nexus is so far running kernel 3.0.1, I was wondering if it is possible to update current kernels on existing devices to a 3.x kernel. I have a little experience in at least successfully upgrading Debian to 3.1 kernel, but compiling for android is a bit different it seems.
On my G2x, which is running 2.6.32.45, I attempted to compile a 3.1 kernel, and it refused to boot into CM7. I followed the CM kernel compilation guide, but to no avail. Would this most likely be due just to error on my part during compilation or configuration, or do I need to wait for LG to make their own 3.x kernel based ROM to derive the proper drivers?
Is it even possible at all to "upgrade" to a higher kernel version if the phone manufacturer has not done so themselves already? Thanks for any input!
Yes, you will have to wait until LG releases their version. No, its not possible to upgrade to a higher kernel version if the phone manufacturer has not done so themselves (you could try to compile one based on a higher version but that would have to be from some other manufacturer and most likely it will not work). To answer your title question, yes, it most likely will be done in higher versions of android.
Theonew said:
Yes, you will have to wait until LG releases their version. No, its not possible to upgrade to a higher kernel version if the phone manufacturer has not done so themselves (you could try to compile one based on a higher version but that would have to be from some other manufacturer and most likely it will not work). To answer your title question, yes, it most likely will be done in higher versions of android.
Click to expand...
Click to collapse
Thank you for replying so quickly and concisely!
That is a bit disappointing, but realistic I suppose. In the 3.1 kernel changelog there were a ton of Tegra based changes/fixes, so I figured I'd try it out on the Tegra based G2X. What is it that the newer kernels are missing that severely hinders upgrades on android as oppose to desktop (x86?) platforms?
In more realistic terms, the most likely way of being able to jump up to a higher kernel would be say, using the 3.0.1 kernel from the Galaxy Nexus dump as the source and use a current 2.6.32 config with it? I might try it out if it's a little more likely!
hobbla said:
Thank you for replying so quickly and concisely!
That is a bit disappointing, but realistic I suppose. In the 3.1 kernel changelog there were a ton of Tegra based changes/fixes, so I figured I'd try it out on the Tegra based G2X. What is it that the newer kernels are missing that severely hinders upgrades on android as oppose to desktop (x86?) platforms?
In more realistic terms, the most likely way of being able to jump up to a higher kernel would be say, using the 3.0.1 kernel from the Galaxy Nexus dump as the source and use a current 2.6.32 config with it? I might try it out if it's a little more likely!
Click to expand...
Click to collapse
The newer kernels aren't missing anything. In fact, they have many more features, optimizations, and fixes which do not allow them to work on earlier versions of android.
More likely yes, but still, it most likely will not work (since these earlier version of android won't support all what higher kernels and android versions support).
hobbla said:
After seeing that the Galaxy Nexus is so far running kernel 3.0.1, I was wondering if it is possible to update current kernels on existing devices to a 3.x kernel. I have a little experience in at least successfully upgrading Debian to 3.1 kernel, but compiling for android is a bit different it seems.
On my G2x, which is running 2.6.32.45, I attempted to compile a 3.1 kernel, and it refused to boot into CM7. I followed the CM kernel compilation guide, but to no avail. Would this most likely be due just to error on my part during compilation or configuration, or do I need to wait for LG to make their own 3.x kernel based ROM to derive the proper drivers?
Is it even possible at all to "upgrade" to a higher kernel version if the phone manufacturer has not done so themselves already? Thanks for any input!
Click to expand...
Click to collapse
Just ported this 3.1 kernel last night. I took the Linaro 3.1 Linux kernel, and integrated ashmem, pmem, binder, and lowmemorykiller.
http :// i271.photobucket.com/albums/jj141/landcruiserfjz80/kernel/2011-11-09_09-39-08_429.jpg
forcedinductionz said:
Just ported this 3.1 kernel last night. I took the Linaro 3.1 Linux kernel, and integrated ashmem, pmem, binder, and lowmemorykiller.
Click to expand...
Click to collapse
Care to upload it?
Theonew said:
Care to upload it?
Click to expand...
Click to collapse
It's for an OMAP3 platform. If you are looking to port a Tegra 2 BSP to a 3.1 kernel i'd be willing to help get it going.
forcedinductionz said:
It's for an OMAP3 platform. If you are looking to port a Tegra 2 BSP to a 3.1 kernel i'd be willing to help get it going.
Click to expand...
Click to collapse
That would be great! I've never considered Linaro before. From reading up on it, it seems to be an optimized kernel for ARM (and other mobile CPUs)? You might have to make a tutorial on how to customize your own kernel
hobbla said:
That would be great! I've never considered Linaro before. From reading up on it, it seems to be an optimized kernel for ARM (and other mobile CPUs)? You might have to make a tutorial on how to customize your own kernel
Click to expand...
Click to collapse
I'm about to deliver some Android changes to this tree. If you are serious about supporting Tegra2 please point me to your current kernel's source code. I'll begin porting the BSP and drivers.
https :// github.com/EmbeddedAndroid/linaro-android-3.1
forcedinductionz said:
I'm about to deliver some Android changes to this tree. If you are serious about supporting Tegra2 please point me to your current kernel's source code. I'll begin porting the BSP and drivers.
https :// github.com/EmbeddedAndroid/linaro-android-3.1
Click to expand...
Click to collapse
This looks great! Would you be including the Tegra 2 BSP and drivers into the embedded kernel? I (and any other Tegra device owners) really appreciate the help!
Here's the source for the device I have; LG G2X (P999) with a Tegra 250 (sorry about mediafire, LG doesn't allow hotlinking):
http :// www.mediafire.com/?9zt7suw7nivbr7o
If we wanted this to work on a Cyanogenmod based kernel, I guess you'd have to look at the Cyanogen Git. Here's the the P999 cyanogen git:
https :// github.com/CyanogenMod/android_device_lge_p999
You can look at getting set up with it easily here, I believe:
http :// wiki.cyanogenmod.com/wiki/Building_Kernel_from_source
Thank you for helping! If there's anything else I can help with, or resources you could post that would allow me to help you better that'd be great.
I am pulling down the sources now. It's been a busy week getting ICS up and running but now I have some time to play. I'll keep you posted on my progress.
How it's goin'?
forcedinductionz said:
I am pulling down the sources now. It's been a busy week getting ICS up and running but now I have some time to play. I'll keep you posted on my progress.
Click to expand...
Click to collapse
Sounds great! Again, if there's anything we can assist you with just let us know. Or, outlining the steps you're taking could allow us to help in the future
Sent from my LG-P999 using XDA App
Is everything OK?
Hi all devs for P7510:
I'm following guides all over the place in my attempt to learn a thing or two by building AOSP ICS (specifically the 4.0.4_r1 branch) from source. I know that Google states building anything other than master on a version of Ubuntu higher than 11.10 is experimental and not really supported - seen many Google Groups threads indicating this. I've been able to patch and fix some of the errors that I'm seeing, but others that I'm searching for are answered with links back to the AOSP website where it's simply saying building anything other than the master branch on Ubuntu 12.xx is not officially supported.
I am getting ready to re-do my dev environment with Ubuntu 10.04 to see if that really does make a difference somehow, but had a couple of questions that I'm hoping someone can answer as I get ready to try again.
1) Has anyone out there built AOSP 4.0.4, from a branch other than master, successfully for the P7510 device?
2) If so, with what version of Ubuntu/Linux and were there many errors encountered when compiling that required fixes via manual code revision rather than simply applying a missing dependency or toolchain fix?
I've searched high and low and it's proving particularly difficult to find info on whether or not someone has been able to build a non-master branch of AOSP ICS 4.0.4 for this particular device. I know I could just abandon it and try to build JB or something instead but really want to see if I can pull this off. Hoping someone out there can help me out!
Update: I was able to complete a build today!! Please disregard the questions, self answered.
Sent from my GT-P7510 bleeding CM10 inverted awesome
Hi! This is maybe a general dev question, but I'd like to get an answer anyway:
what is exactly the link between an Android release and the kernel it works upon?
I noticed most recent releases use 3.0+ Linux kernels, and others (like the DSCs) use the Phoenix Universal Kernel, which is based on a 2.6.35... So I wonder: is ICS/JB in any way dependant on "newer" kernels?
I understand the answer must be closer to "no", since the pre-alpha build also uses a fork of the PUK, but the fact that it uses a *different version* makes me wonder how much work does it take to get a kernel ready for a newer release, and most importantly... why?
Thanks a lot! Total n00b here, but eager to know more.
Newer kernel not required at least for ICS.
All GB/ICS kernels are based on this kernel (and it's a Dell's lie about using same sources for 407 release as SoD was fixed there without switching timer source):
http://opensource.dell.com/releases/streak/4.05_and_4.07/
kibuuka successfully applied kgsl/genlock patch and it's the only thing actually needed for ICS.
List (a bit old) of changes in Phoenix kernel and later derivatives:
http://forum.xda-developers.com/showpost.php?p=25291276&postcount=3812
Just figured I'de post this info I found on the website:
Code:
Notifications and updates: HTC One™ X+: Software update
Keep your smartphone running efficiently by using the latest available software.
As of April 2013, a new software version is available for the HTC One™ X+.
The update provides the following benefits and enhancements for your smartphone:
Bug fixes to improve Wi-Fi connectivity
Improvements for the Camera application to enhance photo quality
Minor bug fixes to address internal system errors
NOTE: Google is releasing this update in stages. Your smartphone will receive a notification when this update becomes available to you.
I know AT&T received an update as well so I'm not sure if they provide similar or the same fixes. Later today I'll flash back to stock to check it out and try to get a copy of the update file uploaded.
Noob question here-- I've rooted and am running elegancia...I take it I will have to wait for these updates to be incorporated into to the ROM by the dev (Steve0)?
jrockwell said:
Noob question here-- I've rooted and am running elegancia...I take it I w ill have to wait for these updates to be incorporated into to the ROM by the dev (Steve0)?
Click to expand...
Click to collapse
If the updates and fixes haven't already been accomplished by the aftermarket rom/firmware.
This software update is just like the incremental updates a developer may issue with their rom. It's just on a much larger scale, and these updates aren't really something you need to be concerned with if you are running a replacement rom.
Do Not install it unless you're stock and have no intentions of using a custom rom in the near term.
Not working with custom roms right now.
[ROM][5.1.1][D618/D620] Cyanogenmod 12.1 Stable
Sorry I have the wrong title, I means the newest ver 20150901
Did anyone know what does the later version update about? I'm using the 20150821 ver.
With the git log it seems to optimize some RAM efficacy and tweaks some libs.
I'm thinking about update it whether or not.
If the author can put some update logs on the main thread will be great help
Thx.
knowlet said:
[ROM][5.1.1][D618/D620] Cyanogenmod 12.1 Stable
Sorry I have the wrong title, I means the newest ver 20150901
Did anyone know what does the later version update about? I'm using the 20150821 ver.
With the git log it seems to optimize some RAM efficacy and tweaks some libs.
I'm thinking about update it whether or not.
If the author can put some update logs on the main thread will be great help
Thx.
Click to expand...
Click to collapse
any updates on this?
Seriously?
You couldn't just post at the official thread (or the official Q&A thread)?