[KERNEL][REF][Q&A] Siyah 5.0+[ICS/CM10] 6.0b5+[JB/CM10.1] +DISCUSSION+. NON-DEV!!!

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Nos_20

Senior Member
Sep 21, 2011
2,107
1,467
OnePlus City
Hi guys. I just had two random reboots

1st when I swiped the messaging icon from the lock screen to open it and
2nd when I toggled wifi on and off.
Please find attached 2 last_kmsg files from after both restarts.

I hope they help. Thanks GM for all your hard work. Much appreciated
I am using Alliance Rom by Goldieking
 

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Ba7rani123

Senior Member
Apr 14, 2012
949
255
I havent had a single random reboot since I flashed beta2 and now I have beta3, I have set the governor to Pegasusq, disabled android logger and have blnww on

Using latest Alliance Rom... no random reboots so far, I havent checked the governor setting after reboot because many ppl have already confirmed it
 

Ba7rani123

Senior Member
Apr 14, 2012
949
255
I can confirm that wifi is draining the battery...(see attachment)

it says "deleted_wake_locks" because I turned the wifi off then on again... but it was wlan_rx.. something like that

Also does anyone know whats "l2_hsic" ?

Thanks :D
 

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gokhanmoral

Retired Senior Recognized Developer
Mar 16, 2006
3,744
25,415
45
Ankara
www.isyam.bilkent.edu.tr
ok, v6.0b4 is up.

wifi driver is updated.
and exfat modules are loaded but I could not test if exfat drives work or not.
if you have a spare sdcard please format it on a windows machine to exfat and test if it works.
and headphone amplification is fixed.
(thanks to lyndonguti and THE RED BLUR for testing this beta)
 
Last edited:

Tungstwenty

Senior Member
Nov 1, 2011
1,827
4,511
My first impressions of SiyahKernel v6.0b3 are here => http://forum.xda-developers.com/showpost.php?p=35882362&postcount=1239

Beside some not saved/effective settings in STweaks there is an issue with Video Player app which doesn't work properly ... bobdoblo mentioned these FCs and I can confirm this Video Player issue on SiyahKernel v6.0b3.
So nothing dramatic, but smething to fix in next version IMO.

Perhaps strace can help identify which regions are memory mapped (and/or ioctl's) for each action (video play, photo taking, video recording) ...

I shared compiled versions for ICS and JB here.

It might require having the app already running, so it has a pid, attaching strace to it with "strace -p <pid>" and only then having it start playing and failing. Not sure if it's doable for that particular app ...
If not, since the apps are forked from zygote, "strace -f -p <pid_of_zygote>" should work to grab all.
 

alkspo

Senior Member
Apr 28, 2012
942
606
Scandinavia
About the led not staying off after reboot, its a stweaks problem not kernel. I had the same in dorimanz after he switched to stweaks but on extweaks its fine

Sent from my GT-I9100 using xda premium
 

Skully☺

Senior Member
Jan 23, 2012
295
260
Leiden
I can confirm that wifi is draining the battery...(see attachment)
it says "deleted_wake_locks" because I turned the wifi off then on again... but it was wlan_rx.. something like that
Also does anyone know whats "l2_hsic" ?
Thanks :D
For l2_hsic see https://github.com/asksven/BetterBatteryStats/issues/179 + its link to wikipedia.
See also https://github.com/asksven/BetterBatteryStats-Knowledge-Base/wiki/_pages.
For more general understanding of BBS see http://asksven.github.com/BetterBatteryStats-Knowledge-Base/howto.html.
For batterymanagement see http://forum.xda-developers.com/showthread.php?t=1909996.
Hope it helps!
 

lyndonguti

Senior Member
Sep 29, 2011
2,751
2,093
Milano
About the led not staying off after reboot, its a stweaks problem not kernel. I had the same in dorimanz after he switched to stweaks but on extweaks its fine

Sent from my GT-I9100 using xda premium

It stay off
After reboot wait 20-30 sec to the phone to be ready
Then just tik the power button to off then on and youll have led off

sent from my lovely phone....hmmm wait its a tablet...waaa i dont really know.....im PARANOID NoW!
 
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t-pip

Senior Member
Oct 26, 2010
2,068
1,981
Edit

See New post, ignore this one.

I've made an app in taker to catch the last_kmsg file after a random reboot, this should work even if you are not aware of the reboot. The app is here . I can't make it autorun so you will need to use something like https://play.google.com/store/apps/details?id=com.autostart to make it run at boot.

If any random reboots happen a log well be left in /sdcard/CrashLogs this is the last_kmsg file renamed. Please post these files to the thread to help people diagnose any problems.

I hope this helps.

Sent from my GT-I9100 using Tapatalk 2
 
Last edited:

THE RED BLUR

Senior Member
Mar 7, 2012
6,995
21,770
LONDON
For me with beta 4 the governor is still not sticking after a reboot. Stweaks says it is pegasusq but SetCPU says the governor is OnDemand

Sent from my GT-I9100

For now set governer and io through setcpu and not stweaks. If you do it that way it will stick since it applys all settings after boot.

GM has some ideas as to the problem and will need time to fix. That's why he didn't mention in changelog its fixed. :)
 
Last edited:

t-pip

Senior Member
Oct 26, 2010
2,068
1,981
I've made an app in taker to catch the last_kmsg file after a random reboot, this should work even if you are not aware of the reboot. The app is here http://db.tt/wxY5mysh . I can't make it autorun so you will need to use something like https://play.google.com/store/apps/details?id=com.autostart to make it run at boot.

If any random reboots happen a log well be left in /sdcard/CrashLogs this is the last_kmsg file renamed. Please post these files to the thread to help people diagnose any problems.

I hope this helps.

Sent from my GT-I9100 using Tapatalk 2

Edit
Not as good as I hoped, it copies the last_kmsg even if shut down correctly. At least it puts the file somewhere easy to access. If I can improve I will.

Sent from my GT-I9100 using Tapatalk 2
 
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t-pip

Senior Member
Oct 26, 2010
2,068
1,981
I've made an app in taker to catch the last_kmsg file after a random reboot, this should work even if you are not aware of the reboot. The app is here http://db.tt/l7K7s8yY . I can't make it autorun so you will need to use something like https://play.google.com/store/apps/details?id=com.autostart to make it run at boot.

If any reboots happen you will be prompted to save the log in /sdcard/CrashLogs this is the last_kmsg file renamed. Please post these files to the thread to help people diagnose any problems.

I hope this helps.

Sent from my GT-I9100 using Tapatalk 2
 

SPBoss

Senior Member
Apr 30, 2012
1,081
468
B3 and chameleon 3.0 work together perfectly. So stable yet so fast and great battery life

Sent from my GT-I9100 using xda app-developers app
 

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  • 86
    hi guys.

    I was away for some time and I didn't read most of the messages lately including the ones in my s3 and xperia threads as well as the discussion threads.
    I have just skipped to the end.
    as you have read in the announcement post of v6.0b5 I know have an s2 (thanks to mbwatson. the device is perfectly working).
    I have tested v6.0b5 on omega rom v20 and yesterday's cm10.1
    I am hoping to release it tonight or tomorrow.
    it is still beta because dualboot needs some more work.
    you can have two cm10.1 or any other cm-based rom but not samsung JB as first or 2nd.
    the changes are not difficult but the repository that I need to clone is big.

    I hope I will add dualbooting in b6 and I will also add some touch2wake patches (implemented by robertobsc. we were talking about it for a long time but his last email is still being kept unread in my mailbox which was sent about a month ago :) )
    then I will spend some time on cypress driver because samsung has changed it a long time ago (and now they have changed it again) but we are still using good-old-messy-driver which has all BLN related changes.

    that's all for now. I doubt I will have time to read and post more, so please give help to those who seek it :)
    70
    I had some time today and merged JB kernel with my modifications.
    there were too many conflicts (because of my previous merges with s3 kernel) and I resolved them in 20-30 minutes.
    I have sent the blindly compiled kernel to a friend and he said that it booted but the modem did not work.
    so, everything is (almost) ready. I just need an s2 for several hours.
    then some time to make dual-boot related changed (I need at least a day)
    I have also put cm10.1 support but I think I will have to remove it because it moves your sdcard contents to a subfolder named 0. multiuser support will create different folders for different users and that will probably break dualboot support.
    so, I will have to find another place to store dual-boot related files.
    69
    can anyone state in a few sentences the very major differences between stock cm10, siyah and dorimanx kernels?
    strong and not so strong points of each of them.

    this would be useful for a large majority of 'not sophisticated' users to make a decision which kernel to choose.

    cm10 is the best kernel for cm10 based ROMs. it is developed by the guys who know what they are doing.

    siyah have some cherrypicks from here and there and some new features. I no longer cherrypick commits that I cannot understand (I used to be doing that a lot). STweaks lets you make some changes easily, without the need of init scripts. siyah supports both samsung and cm roms (except for 10.1) and you can use dualboot feature to have two roms at a time.

    dorimanx's kernel has lots of cherrypicks and he generally tries to catch the latest upstream. I don't understand most of his cherrypicks and he doesn't neither. I guess he trusts the commits from upstream but it may cause instabilities sometimes. however, if those instabilities are fixed those commits may give you some additional performance or even stability (irony? yes). that kernel also have STweaks support and has some more configurables. Dorimanx also uses my commits to support both samsung and cm roms with a single image and also the recovery+initramfs that I modified for dualboot feature. in initramfs there are some more scripts + optimizations some of which I find dangerous and unnecessary but most of them are optional anyway.

    so, if you want to play safe and make sure everything runs as expected use cm10 stock kernel.
    if you want some new features and have time to play with some settings use siyah.
    if you have more time and want to have currently the most benchmark-friendly , fast and up-to-date (considering the cherrypicks from upstream) kernel with some experimental features use dorimanx.
    61
    it is a little unfair to expect people doing something for free and fun to do it very well documented and perfect.

    I never claimed that my work was perfect. indeed, it is not. and I can live with that. also a lot of people can live with that and like it.

    even samsung doesn't do it properly even though you have paid for their product. releasing defective chips, buggy kernels, no commit history, late or sometimes no release for the changes in the kernel (violating gpl), no documentation, no source to support opensource development...

    yeah, I know, some users may flash the latest one on ICS (even on gingerbread, or on another S2 variant) and soft-brick their device. they will have to use odin and nobody should flash any kernels if they cannot take the risk.

    so, dikidera: either you should stop flashing kernels, or I should stop making new ones.
    wanna open a voting poll for it? :p
    58
    sorry guys but I don't have any s2 around.
    as soon as I borrow one I will compile another kernel and also fix dual booting problem with Samsung JB
    I'm also a little busy lately. I am planning to borrow a friend's phone next week for an update.
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