[Q] Screen error after install any kernel - Nexus 4 Q&A, Help & Troubleshooting

Hi guys, happy new year!
So, i'm testing the rom "Nexus 5 Experience (Kitkat 4.4.2)" and everything seems ok, i'm testing the version CAF Kernel. now i'm tryin install new kernels on this rom, but at every kernel I install i get the same error, after instal any kernel, I turn on my N4 and the screen seems very strange, colors flashing, sometimes when i start a game (or anything that forces the gpu) the screen is filled by one or two colors, but the touch is still working, is just a screen or gpu (i dont know) error.
I tryed to take some printscreens, but when i will check this on my pc, everything is ok, like if theres no error.
When i flash the rom again, everything works normally.
what i'm doing wrong ? I thought to change kernel is only flash him, is it wrong ?
i'm newbie, got my n4 yesterday but i have some experience in my old xperia..
sorry the bad english, im br
Thanks guys!!

Are you installing CM compatible kernels?
Try the AK kernel CM version
http://ak.hiddenbytes.org/old/cm//AK.309.CM11P.zip

goofball2k said:
Are you installing CM compatible kernels?
Try the AK kernel CM version
Click to expand...
Click to collapse
heyy, this worked!
but i don't understand, i tryed this and a lot of kernels before (all compatible with CM) and doesnt work
so.. thanks! i will check this, recommend me another kernel ?
thanks again! cheers

mendes1995 said:
heyy, this worked!
but i don't understand, i tryed this and a lot of kernels before (all compatible with CM) and doesnt work
so.. thanks! i will check this, recommend me another kernel ?
thanks again! cheers
Click to expand...
Click to collapse
I can't say what you did wrong, maybe you got the wrong version since many make 2 versions of their kernel, one for AOSP and one for CM.
I don't run CM ROM's so I don't know which kernels are out there. HellsCore is also another kernel to consider, I believe there are CM versions of it as well.

goofball2k said:
I can't say what you did wrong, maybe you got the wrong version since many make 2 versions of their kernel, one for AOSP and one for CM.
I don't run CM ROM's so I don't know which kernels are out there. HellsCore is also another kernel to consider, I believe there are CM versions of it as well.
Click to expand...
Click to collapse
yes, i'll try HellsCore.
thanks for the help, i appreciate it!

Related

[Q] Kernel to use with u8800-cm7 ROM?

Hi all
I see genokolar's latest cm7 rom for u8800 can't be used with franco's kernel. I use this combo now, on the v11118 rom. No doubt this'll get sorted soon, but...
If I want to update to 111128 now, or if this incompatible issue happens again, what can I do?
Does the geno cm7 rom include a "default" kernel?
If not, what other kernel options are there? Seems to be very few in the u8800 dev forums, and nothing seems to be actively maintained (note, not u8800pro!). Should I return to the stock kernel? And if so, how?
Thanks to all for the great work going on here, my u8800 would have been swapped for something else if it hadn't been for the awesome dev work being done.
every rom has its kernel...
thanks mate

[Q] Bluetooth Streaming with Cyanogenmod 10.1 - short breaks

Hi guys,
I use Cyanogenmod 10.1 shortly after I bought my Nexus 10 and had these reboots the whole time.
Usually I update once or twice a week to the current nightlys (depending on the changelog).
A problem I have from the beginning (with CM): When I stream music with Google Music to a Logitech Bluetooth receiver it works. But every 20-30 seconds I have a litte break in the playback. On my Galaxy S2 also with CM 10.1 I never had this problem.
What I did to solve the problem. Today I installed the stock Nexus 10 4.2.2 from Google and tried to reproduce the error. It worked fine. No problem at all.
Then I completely wiped the Nexus 10 again and installed the current nightly - from the scratch. Just installed Google Music and did a test. The same bluetooth problem again.
Ah and when I use a bluetooth keyboard the keyboard also loses connection time and again. Here the problem is even worse. When I´m are in web form the page gets reloaded and all I entered so far is gone...
Has anybody an idea?
I´m willing to give you all the information you need to help me (logcats etc.)
Thanks in advance
Marrtin
Have you tried using the stock kernel with CM10?
stiggy2012 said:
Have you tried using the stock kernel with CM10?
Click to expand...
Click to collapse
Hi and thanks for you answer.
Good idea. But I have no clue how to do that? And isnt´t the kernel always overwritten when I install a nightly of CM10.1?
Wishes
Martin
Martin7404 said:
Hi and thanks for you answer.
Good idea. But I have no clue how to do that? And isnt´t the kernel always overwritten when I install a nightly of CM10.1?
Wishes
Martin
Click to expand...
Click to collapse
I actually don't know off-hand, but it probably is, if its like other ROM's.
dibblebill said:
I actually don't know off-hand, but it probably is, if its like other ROM's.
Click to expand...
Click to collapse
Hmm - and where can I get the stock kernel from? Off course I found the whole stock firmware. But just the kernel out of it? And does this work together with CM?
Please make a bug report @ jira.CyanogenMod.org
Sent from my Nexus 10 using Tapatalk HD
Martin7404 said:
Hmm - and where can I get the stock kernel from? Off course I found the whole stock firmware. But just the kernel out of it? And does this work together with CM?
Click to expand...
Click to collapse
I don't think you can pull just the kernel out of it... I use KTManta myself.
dalingrin said:
Please make a bug report @ jira.CyanogenMod.org
Sent from my Nexus 10 using Tapatalk HD
Click to expand...
Click to collapse
Thanks - I just did so.
Martin7404 said:
Thanks - I just did so.
Click to expand...
Click to collapse
Thanks!
dibblebill said:
I don't think you can pull just the kernel out of it... I use KTManta myself.
Click to expand...
Click to collapse
You can. :good:
If you download and unzip the official rom package from google, you will find another zip inside. Extract that, and you will see a different rom for each partition of your nexus 10. boot.img is the kernel, and it can be flashed from fastboot using command "fastboot flash boot boot.img".
Thanks,
EDIT: If the KTManta kernel doesn't suffer bluetooth streaming issues for anyone else, flashing it instead of stock should serve as an equally good test. The original reason I mentioned flashing the stock kernel is because I too have seen bluetooth streaming issues, both with CM10 and when using the stock rom with franko r12 kernel. I'm now running completely stock rom and kernel, and have no issues.
stiggy2012 said:
You can. :good:
If you download and unzip the official rom package from google, you will find another zip inside. Extract that, and you will see a different rom for each partition of your nexus 10. boot.img is the kernel, and it can be flashed from fastboot using command "fastboot flash boot boot.img".
Thanks,
EDIT: If the KTManta kernel doesn't suffer bluetooth streaming issues for anyone else, flashing it instead of stock should serve as an equally good test. The original reason I mentioned flashing the stock kernel is because I too have seen bluetooth streaming issues, both with CM10 and when using the stock rom with franko r12 kernel. I'm now running completely stock rom and kernel, and have no issues.
Click to expand...
Click to collapse
If I switch back to CM, I'l be sure to test it. I'm currently in the process of deciding just how much I love "CRT Off", which I don't know if CM has added yet
Is there a solution for this stuttering problem? I have tried many roms and kernels, but bluetooth stutters when wifi is on.

Urgent! Wifi problem!

Hi guys, i rooted my phone days ago and i decided to flash a custom ROM into it. I chose AOKP latest nightlies build but after flashing it i realise that the wifi is not working (take forever to turn on in grey color even after i rebooted for many times). I thought maybe the nightlies build is not stable so i changed to m2 but the same problem occurfed. I really need help please,.. Thanks alot for the considerations.
strife91 said:
Hi guys, i rooted my phone days ago and i decided to flash a custom ROM into it. I chose AOKP latest nightlies build but after flashing it i realise that the wifi is not working (take forever to turn on in grey color even after i rebooted for many times). I thought maybe the nightlies build is not stable so i changed to m2 but the same problem occurfed. I really need help please,.. Thanks alot for the considerations.
Click to expand...
Click to collapse
Try wiping cache, davilk cache and then data. If WiFi still don't work try reflashing ROM. If the issue still here, try flashing factory image and see if the WiFi is working. If it is working on stock ROM, install CM or Paranoid Android or SlimKat.
msihp said:
Try wiping cache, davilk cache and then data. If WiFi still don't work try reflashing ROM. If the issue still here, try flashing factory image and see if the WiFi is working. If it is working on stock ROM, install CM or Paranoid Android or SlimKat.
Click to expand...
Click to collapse
Thanks for the reply. i tried reflashing rom but the pproblem is still there. The WIFI work perfectly in stock ROM.. Anyway, any Nice ROM have similar customization as AOKP recommended?
Restore your Nandroid backup, it would definitely solve the problem.
Btw what device are you on?
Sent from my GT-I9082 using XDA Premium 4 mobile app
Well, you can customize every ROM with Xposed which is now out for Android 4.4. I'd recommend you SlimKat but to be honest it dosen't have many features due to early Alpha stage of KitKat but they are coming in every update!
If you've gone from 4.3 to a 4.4 rom, you may need to flash the latest radio to have WiFi working.
agrawalshlok96 said:
Restore your Nandroid backup, it would definitely solve the problem.
Btw what device are you on?
Sent from my GT-I9082 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Im using N4.. i did restore my stock ROM and it work perfectly ff that's what u mean by nandroid backup..
could be kernel issue. Try flashing stock kernel.
meangreenie said:
If you've gone from 4.3 to a 4.4 rom, you may need to flash the latest radio to have WiFi working.
Click to expand...
Click to collapse
I' staying at 4.3.x
badboy47 said:
could be kernel issue. Try flashing stock kernel.
Click to expand...
Click to collapse
II guess it's kernel problem.. I try to flash franco.Kernel.Plus-r193-1110-JSS-CAF but the phone wont start at all...
If you insist on staying on 4.3.1, i would like to suggest the below rom:
AOKPK by kecinzer
Thread:
http://forum.xda-developers.com/showthread.php?t=2491689
Download this version:
aokpk_mako_jb-mr2_daily_1310271731
http://goo.im/devs/kecinzer/aokpk/mako
It comes with forked of franco.Kernel JWR version with new prima drivers (faster wifi speed, better battery life). Its a great rom with lots of features.
You need to change baseband to something like .33. Look on xda and you will find it.
Sent from my Nexus 4 using xda app-developers app
wcn said:
If you insist on staying on 4.3.1, i would like to suggest the below rom:
AOKPK by kecinzer
Thread:
http://forum.xda-developers.com/showthread.php?t=2491689
Download this version:
aokpk_mako_jb-mr2_daily_1310271731
http://goo.im/devs/kecinzer/aokpk/mako
It comes with forked of franco.Kernel JWR version with new prima drivers (faster wifi speed, better battery life). Its a great rom with lots of features.
Click to expand...
Click to collapse
Thanks for the suggestion What if i wanted to move to 4.4? Any good suggestion?
Hello, you have to flash older radio to enable wifi. Try version 84. Just flash the zip from CWM.
http://forum.xda-developers.com/show....php?t=2087227
strife91 said:
Hi guys, i rooted my phone days ago and i decided to flash a custom ROM into it. I chose AOKP latest nightlies build but after flashing it i realise that the wifi is not working (take forever to turn on in grey color even after i rebooted for many times). I thought maybe the nightlies build is not stable so i changed to m2 but the same problem occurfed. I really need help please,.. Thanks alot for the considerations.
Click to expand...
Click to collapse
I‘ve met problems similar to you using AOKP, I've solved it by flashing another stable AOKP rom.
i had my nexus on 4.4 rooted, when i use a rom based on 4.3 wifi, bluetooth and sounds doesnt work, when i flash a rom based on 4.4 (omni, crdroid) everything work just fine... could it be a RADIO problem??? where i can find the older radio since the link in here doesnt work?
Thank you
strife91 said:
Thanks for the suggestion What if i wanted to move to 4.4? Any good suggestion?
Click to expand...
Click to collapse
Well, everyone has their own preferences. There are many great 4.4 roms out there. I could not suggest something that I've had never used before. I've tried a few roms and only the below stayed on my phone:
Multiboot:
•Cataclysm-Nov-25 - by atlantis
•Project KitKat v2.1 - by gnome
Kernel:
•hells-Core-b42 (kexec-harboot patched)
•AK.207.KK
Give yourself chances to try some other rom. There is nothing to loose. Nandroid backup your existing rom. If you don't like the new rom, restore from Nandroid. You'll then determine which rom suits you best.
i found out the solution is very simple....
if you use a 4.4 based rom.... flash the radio version 97
if you use a 4.3 based rom.... flash the radio version 84
thats it

[Q] Help with ROM

As you guys may know, I recently downloaded the latest matriz mod by mathkid...do you think I need a ROM installed to use at its full potential? If so, which ROM should I install and do I have to re-install the kernel?
1. U don't have to flash another ROM if you are on stock ROM or another AOSP ROM
2. Feel free to flash any ROM u want all AOSP based Ron's should work with this kernel.
3. If u flash another ROM u have to flash the kernel again because the stock kernel of the ROM will be flashed as well.
BTW. Post this kind of questions into the Q&A forum for the N4.
sent from my paranoid N4
Nekator said:
1. U don't have to flash another ROM if you are on stock ROM or another AOSP ROM
2. Feel free to flash any ROM u want all AOSP based Ron's should work with this kernel.
3. If u flash another ROM u have to flash the kernel again because the stock kernel of the ROM will be flashed as well.
BTW. Post this kind of questions into the Q&A forum for the N4.
sent from my paranoid N4
Click to expand...
Click to collapse
So I'm on Stock ROM right now. I don't need to redo the installation process and just flash it at will? Didn't know you can flash multiple roms too...
what roms do you guys recommend with the most with matr1x kernel?
derking1 said:
So I'm on Stock ROM right now. I don't need to redo the installation process and just flash it at will? Didn't know you can flash multiple roms too...
what roms do you guys recommend with the most with matr1x kernel?
Click to expand...
Click to collapse
No help anyone? Slight bump...just want your suggestions!
derking1 said:
No help anyone? Slight bump...just want your suggestions!
Click to expand...
Click to collapse
matrix is not a rom, it is a kernel. all roms include kernels, or your phone would never work. all you do is flash matrix over what you have now, and itll replace your current kernel with matrix. that is all, do not over think it, do not make it more complicated then it actually is. and no, no one can tell you what rom to run, it is only your personal choice and no one elses. there are roms in the development section, read their threads, then you decide.
simms22 said:
matrix is not a rom, it is a kernel. all roms include kernels, or your phone would never work. all you do is flash matrix over what you have now, and itll replace your current kernel with matrix. that is all, do not over think it, do not make it more complicated then it actually is. and no, no one can tell you what rom to run, it is only your personal choice and no one elses. there are roms in the development section, read their threads, then you decide.
Click to expand...
Click to collapse
I know matrix is a kernel, I'm saying which one would be the most appropriate to go with it. One more question: Whenever there's an android update and I have flashed a Rom and Kernel, do I have to redo the flashing process again? ex. Android 4.4.4
Mahdi Rom + Hellsdoctor Kernel
Inviato dal mio Nexus 4
AlessioPalazzolo said:
Mahdi Rom + Hellsdoctor Kernel
Inviato dal mio Nexus 4
Click to expand...
Click to collapse
Yo that sounds nice...any other rom+kernel combinations? I might try mahdi with matr1x myself.

Kernel help issues

Hi I just want help with some kernel, at now am using resurrection remix 4.4.2 as to my point that am unable to create a swap file on SD card as my kernel doest not support it had tried many swap apps but non of them works.
As I searched on Google with 4.4.2 custom kernels and flashed many but nothing happens... Kernel name remains same as factory default
As far as I am really confused and need some help from you guys... (Still using swapper for root on my Asus tab with cm10 stable and it worked fine for me hmm... Was thinking can I flash cm10 kernel of my tab by backuping my kernel and try to flash it on my s4 i9500 will it work??)
Thx
No it will not work.
Anyway there's just two custom kernel out there that supports 4.4 custom ROMs, just two:
1- Maxfour v14.
2- Persues v19.1 modified.
Any other kernel you may have downloaded could be for the wrong device, that's why it doesn't get installed.
aboodyaiman said:
No it will not work.
Anyway there's just two custom kernel out there that supports 4.4 custom ROMs, just two:
1- Maxfour v14.
2- Persues v19.1 modified.
Any other kernel you may have downloaded could be for the wrong device, that's why it doesn't get installed.
Click to expand...
Click to collapse
The for the rply but one help still needed with swap enable kernel any suggestions?
xxxanmol said:
The for the rply but one help still needed with swap enable kernel any suggestions?
Click to expand...
Click to collapse
I don't think they support Swap, so currently there's no solution for your problem ..
aboodyaiman said:
I don't think they support Swap, so currently there's no solution for your problem ..
Click to expand...
Click to collapse
Oh any way to modify the kernel?
xxxanmol said:
Oh any way to modify the kernel?
Click to expand...
Click to collapse
Only if you have Linux and aware of some codes and stuff
aboodyaiman said:
Only if you have Linux and aware of some codes and stuff
Click to expand...
Click to collapse
Lol I am a pure noob
Do you know some one who can help me with some modification for kernel....
Well, you need permission from the creator of the kernel and then you need someone who's free to do that
aboodyaiman said:
Well, you need permission from the creator of the kernel and then you need someone who's free to do that
Click to expand...
Click to collapse
Well That's a really long process........

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