[KERNEL & CF-root][GB][LE4/Universal] Bam Custom Kernel: BCK beta 15 [07.02.13]

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loSconosciuto

Senior Member
Nov 21, 2011
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-Cronos- said:
I don't have time to start over with xxkpe and I don't think it really matters since the phone boots fine with beta 13, it's probably something wrong with this kernel version
Click to expand...
Click to collapse

I guess you are stuck at Galaxy SL screen :(

Ok, flash v13 and then flash wifi-fix.zip from recovery if you need wifi and you don't want to restart over with another ROM.
If you want to help us, when another test kernel will be released, flash wifi-restore.zip and try to see if wifi is working after you've flashed the kernel (of course anyone here can try it :D)

It would be also helpful if you check that after you have flashed wifi-restore.zip, but not the testing kernel yet, wifi is not working.

Thanks
 

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-Cronos-

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Dec 26, 2010
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loSconosciuto said:
I guess you are stuck at Galaxy SL screen :(

Ok, flash v13 and then flash wifi-fix.zip from recovery if you need wifi and you don't want to restart over with another ROM.
If you want to help us, when another test kernel will be released, flash wifi-restore.zip and try to see if wifi is working after you've flashed the kernel (of course anyone here can try it :D)

It would be also helpful if you check that after you have flashed wifi-restore.zip, but not the testing kernel yet, wifi is not working.

Thanks
Click to expand...
Click to collapse

thanks but has I said I already reflashed beta 13 and it booted fine, sadly I already restored wifi with my own zip and I don't have time to go back and test your files now, I will try tomorrow and report
EDIT: I misunderstood your post, anyway I'm ready to test any new kernel version :D
 
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XDA_Bam

XDA_Bam

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Mar 27, 2011
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-Cronos- said:
even after a clean install of xxle4 my phone doesn't boot, I will try downloading it again in case the file is corrupted and I will try again
EDIT: of course I flashed fresh xxle4 BEFORE trying again, before anyone asks
EDIT2: nope, doesn't work
Click to expand...
Click to collapse

Thanks for testing. Since I made many changes, I don't know yet what the problem might be. I'll have to take a detailed look at the files, again... :|
 
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XDA_Bam

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loSconosciuto and I have identified two possible problems. We are now avoiding them by compressing the whole ramdisk with lzma - which is cool because it'll be much smaller and you can download it faster ;) I tested it and the compression of kernel and ramdisk works just fine (my device is currently running the non-CF-root version of the test kernel).

REQUEST: Everybody is invited to make a backup and test BCK Universal beta 14rc23.
 
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-Cronos-

Senior Member
Dec 26, 2010
56
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XDA_Bam said:
loSconosciuto and I have identified two possible problems. We are now avoiding them by compressing the whole ramdisk with lzma - which is cool because it'll be much smaller and you can download it faster ;) I tested it and the compression of kernel and ramdisk works just fine (my device is currently running the non-CF-root version of the test kernel).

REQUEST: Everybody is invited to make a backup and test BCK Universal beta 14rc23.
Click to expand...
Click to collapse
After the flash it went on a bootloop on the glowing samsung text screen, after some time it rebooted by itself and then booted fine (but I already had a similar issue with your kernel where after the first boot the phone crashed and rebooted, but then worked fine so I'm not completely sure it's your fault). Before flashing I broke the wifi as said by loSconosciuto and now the wifi is fixed :victory:
EDIT: since I had a bit of free time, just to be sure it fixed the wifi I reflashed the valuepack, then your kernel and it works fine!
Just a suggestion though: could you please use mediafire (no captcha bull**** and no waiting time) and provide the md5sum of the file on your next relase just to be sure we don't have a corrupted file? Thank you
Ditbardh said:
if u can add beats audio and ext4 it would be great
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ext4 is already added and I sure hope he doesn't add a ****ty software equalizer like beats
 
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XDA_Bam

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-Cronos- said:
After the flash it went on a bootloop on the glowing samsung text screen, after some time it rebooted by itself and then booted fine (but I already had a similar issue with your kernel where after the first boot the phone crashed and rebooted, but then worked fine so I'm not completely sure it's your fault). Before flashing I broke the wifi as said by loSconosciuto and now the wifi is fixed :victory:
EDIT: since I had a bit of free time, just to be sure it fixed the wifi I reflashed the valuepack, then your kernel and it works fine!
Just a suggestion though: could you please use mediafire (no captcha bull**** and no waiting time) and provide the md5sum of the file on your next relase just to be sure we don't have a corrupted file? Thank you

ext4 is already added and I sure hope he doesn't add a ****ty software equalizer like beats
Click to expand...
Click to collapse


Wooohoooo! ;) Well, thank you very much for your time and effort, Cronos! I'm happy that everything is working fine and I think I will release it later today.


Concerning Mediafire: You have to register to use it, now and I' very lazy. But if you know another good hoster which works for you, let me know :)
 
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-Cronos-

Senior Member
Dec 26, 2010
56
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XDA_Bam said:

Wooohoooo! ;) Well, thank you very much for your time and effort, Cronos! I'm happy that everything is working fine and I think I will release it later today.


Concerning Mediafire: You have to register to use it, now and I' very lazy. But if you know another good hoster which works for you, let me know :)
Click to expand...
Click to collapse

If it's too much hassle to switch hoster don't worry, it's not a big problem, just a minor annoyance

Inviato dal mio GT-I9003 con Tapatalk 2
 
L

loSconosciuto

Senior Member
Nov 21, 2011
765
2,817
-Cronos- said:
EDIT: since I had a bit of free time, just to be sure it fixed the wifi I reflashed the valuepack, then your kernel and it works fine!
Just a suggestion though: could you please use mediafire (no captcha bull**** and no waiting time) and provide the md5sum of the file on your next relase just to be sure we don't have a corrupted file? Thank you
Click to expand...
Click to collapse
Nice :good:

@XDA_Bam
http://www.xda-developers.com/andro...cognized-developers-themers-and-contributors/
 
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loSconosciuto

Senior Member
Nov 21, 2011
765
2,817
Adi_Pat said:
Even without that you can use dev host for free :)

http://d-h.st/
Click to expand...
Click to collapse

I know, I posted that link instead of the direct one to underline the fact that it's reliable, cool etc...

Anyway, if you need to unpack this kernel and you are using skin's tool, I made some changes in extract-ramdisk.pl to support lzma compressed ramdisks: extract-ramdisk.pl.
I also made a script to repack the normalboot.img compressing the ramdisk with lzma: create_boot.img-lzma.sh
 
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XDA_Bam

XDA_Bam

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UPDATE: beta 14 is up! For everybody using the ValuePack (XXLE4): The CF-root version of BCK will now root your device without breaking the WiFi. For everybody else, I recommend that you read the changelog and update as soon as you're comfortable :)


Changelog:
beta 14:
  • Universal CF-Root: Replaced CWMManager and TweakManager with zipaligned files. Thanks to loSconosciuto.
  • Universal CF-Root: The TweakManager is not replaced on install if it didn't change to preserve it's settings. Thanks to loSconosciuto.
  • Universal CF-Root: Corrected problems because of too little free space in /system when converting to ext4 by permanently moving InfoAlarm.apk from /system/app to /data/app. Thanks to loSconosciuto.
  • Universal CF-Root: Fixed the non-working WiFi on XXLE4 and prevented future problems. Instead of patching the WiFi modules, they are now replaced. Thanks to loSconosciuto.
  • Universal CF-Root: Fixed some small mistakes in the CF-root install procedure.
  • Switched the compression of ramdisk and kernel from gzip to lzma. This makes the files much smaller and allows us to include more 'stuff'.
  • Changed smartassV2 settings to wake up at lower frequencies. Further, it is not locked at 300 MHz anymore when the screen is off. Tests showed that free scaling is more battery friendly.
  • Removed InteractiveX and OndemandX governors and added the Interactive governor by Mike Chan (Source: CyanogenMod Crespo kernel). Since free scaling proved to be more battery friendly, the screen off profiles in InteractiveX and OndemandX made them superfluous.
  • The device will not scale above 1 GHz for some seconds when booting anymore. It's now safe to use BCK even if your device can't handle 1.2 GHz. Based on a patch by dalingrin.
  • Changes in PM to respect cpufreq policy limits when playing or recording video. The device should respect your wishes under all circumstances, now ;)
  • Fixed the SmartReflex voltage calibration of the OMAP SoC for OPP5. This could lower power consumption as soon as OPP5 (1.2 GHz) is activated for the first time.
  • Slight increase in the OPP5 nominal voltage (1.40 V -> 1.42 V) to allow for some adjustment by SmartReflex (now that it's working...), if necessary. The actual voltage when the device is running will not change for most users! Based on patches by dalingrin and Sanjeev Premi.
    Code: 
          stock     BCK
OPP5: not def.  1.4200 V


PS: If you're missing Lionheart or Lulzactive, look into the FAQ.
 
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ale210

ale210

Senior Member
Aug 29, 2011
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@XDA_BAM

First, thank you so much for you job, awesome dude!

Second, so we can use /system/etc/wifi from XXLE4? Means, i have /system/etc/wifi from KPU in my custom rom, if we use xxle4 "folder", we have any advantage?

sorry for my english, english level in spain it's awful.
 
XDA_Bam

XDA_Bam

Inactive Recognized Developer
Mar 27, 2011
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ale210 said:
@XDA_BAM

First, thank you so much for you job, awesome dude!

Second, so we can use /system/etc/wifi from XXLE4? Means, i have /system/etc/wifi from KPU in my custom rom, if we use xxle4 "folder", we have any advantage?

sorry for my english, english level in spain it's awful.
Click to expand...
Click to collapse

First of all: If you're on ICS or any other CM-based ROM, you shouldn't use this kernel at all (the picture in your sig points at CM9...). I won't boot!

Second: You shouldn't replace anything related to WiFi. Just flash BCK with ODIN and you're good to go :) For custom ROMs, you can take the modules that are in the BCK ramdisk (look in /res/misc/) and place them in /system/etc/wifi/ and /system/etc/wifi/softap/.
 
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ale210

ale210

Senior Member
Aug 29, 2011
133
25
XDA_Bam said:
First of all: If you're on ICS or any other CM-based ROM, you shouldn't use this kernel at all (the picture in your sig points at CM9...). I won't boot!

Second: You shouldn't replace anything related to WiFi. Just flash BCK with ODIN and you're good to go :) For custom ROMs, you can take the modules that are in the BCK ramdisk (look in /res/misc/) and place them in /system/etc/wifi/ and /system/etc/wifi/softap/.
Click to expand...
Click to collapse

I using my own custom stock rom, Ale210Simple&Fast, nothing cm7 or cm9. can I use the original files from xxle4 rom? To take the files, simple open normalboot.img?
Cheers! :)
 
erik07

erik07

Senior Member
Jan 17, 2012
356
64
Houston, TX
I just flashed BCK beta 14 using mobile odin earlier this morning, it booted successfully but i had fc's like superuser and bluetooth share. And also process was not responding. First boot my root was all gone, but then i kept my cool. Rebooted to recovery then wiped cache and dalvik cache. After rebooting to system the second time, i dont have any errors in superuser and bluetooth share but still there was a dialog box saying process is not responding. After that i did a reboot for the third time and now all is working fine. Noticed improvement in smoothness and battery management. ill still test this in the following days. Im using stock deodexed rom. Smartassv2 sio 1.2ghz max. I was just wondering why i encountered those errors on the first reboot to me, but anyway, its all fine now, still great work XDA BAM. :)

Sent from my Supercharged GT-I9003 with Beats Audio & Xloud
 
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XDA_Bam

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erik07 said:
I just flashed BCK beta 14 using mobile odin earlier this morning, it booted successfully but i had fc's like superuser and bluetooth share. And also process was not responding. First boot my root was all gone, but then i kept my cool. Rebooted to recovery then wiped cache and dalvik cache. After rebooting to system the second time, i dont have any errors in superuser and bluetooth share but still there was a dialog box saying process is not responding. After that i did a reboot for the third time and now all is working fine. Noticed improvement in smoothness and battery management. ill still test this in the following days. Im using stock deodexed rom. Smartassv2 sio 1.2ghz max. I was just wondering why i encountered those errors on the first reboot to me, but anyway, its all fine now, still great work XDA BAM. :)

Sent from my Supercharged GT-I9003 with Beats Audio & Xloud
Click to expand...
Click to collapse

Thanks for reporting. If you're the only one who experiences this, it could be an incompatibility with the supercharger script you're using. We'll have to wait and see if other users have those problems, too.
 
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shriom_manerker

shriom_manerker

Senior Member
Mar 23, 2011
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Margao,Goa
OnePlus 3
OnePlus 5T
XDA_Bam said:
Thanks for reporting. If you're the only one who experiences this, it could be an incompatibility with the supercharger script you're using. We'll have to wait and see if other users have those problems, too.
Click to expand...
Click to collapse

even i had this problem but i was on a custom rom titanium rom ddkp3 to b precise with vurut kernel v9 before i flashed v14 ! it booted fine and everything tated to fc.. so i reboted to recovery n whiped cache and delcik and then after rebooting it started boot looping ! bootanimation wasnt shown either ! so m guessing it interfered with the rom's tweaks or sumthing !! so its a problem if ur not coming from a stock rom like u said bam ! great work on the kernel :D will flash kpq soon to try it out :)
 
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XDA_Bam

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shriomman said:
even i had this problem but i was on a custom rom titanium rom ddkp3 to b precise with vurut kernel v9 before i flashed v14 ! it booted fine and everything tated to fc.. so i reboted to recovery n whiped cache and delcik and then after rebooting it started boot looping ! bootanimation wasnt shown either ! so m guessing it interfered with the rom's tweaks or sumthing !! so its a problem if ur not coming from a stock rom like u said bam ! great work on the kernel :D will flash kpq soon to try it out :)
Click to expand...
Click to collapse

Thanks. Please let me know if you have any force closes or bootloops when flashing it on stock KPQ (... or KPU or LE4).
 
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    XDA_Bam
    XDA_Bam
    BCK - Bam Custom Kernel for i9003 / Galaxy SL

    This Kernel is based on the Chinese GB source, released by Samsung on the 18th of November. Last changes to the source were made by Samsung on November 15th. If you still have questions after reading this post, look at the FAQs (including a list of requested features and known issues).


    Kernel features:
    • No SOD :D
    • Bugfixes:
      ~ Sync bug fixed. Notifications for new mails and messages should arrive within one minute under all circumstances
      ~ Bluetooth problems fixed. Your phone now should play nice with bluetooth hosts, i.e. your car audio system
      ~ Micro stutters nearly completely gone thanks to lowered processor transition latency. It's smooooooooth
      ~ Home button double presses exterminated
    • Governors:
      ~ smartassV2 governor by erasmux (default)
      ~ interactive governor by Mike Chan
    • IO scheduler:
      ~ SIO IO scheduler by Miguel Boton (default)
      ~ BFQ IO scheduler by Paolo Valente and Fabio Checconi
      ~ deadline IO scheduler
    • Extended features:
      ~ ro.secure=0 (root acces through adb shell - to root the 'clean flavour' of BCK, please follow the instructions)
      ~ EXT4 support (to convert your file system, use amit.bagaria's ext4 add-on .apk) (Only in CF-Root .tar)
      ~ Support for init.d scripts (to use scripts, please follow the instructions) (Only in CF-Root .tar)
      ~ BLN support (to use BLN, please follow the instructions)
      ~ TUN support for VPN networks built-in (no module needed)
      ~ Increased SD-card read ahead of 768 kb for improved read speed
      ~ Available with universal CF-root ramdisk based on amit.bagaria's version, improved by loSconosciuto (Only in CF-Root .tar)
      ~ Available with universal CWM ramdisk (rooted) based on universal CF-root, but 'tweakless' (Only in CWM .tar)
    • Overclocking and Voltage:
      ~ Evolved sysfs interface for variable overclock or underclock (all operating points [OPPs] can be adjusted seperately)
      ~ Fifth OPP (1.2 GHz) available, device booting up at stock speed (1 GHz)
      ~ Total frequency control. The device will never run at higher speeds than defined by you, not even on WiFi.
      ~ sysfs interface for voltages (read only at the moment)
      ~ Slight undervolt (3%) on all OPPs


    Flashing , settings and compatibility:
    If you want to use BCK, please flash it on a clean stock ROM. If you want to go back to stock, repartition and reflash the full firmware with ODIN. This kernel will not work on CM or MIUI.
    The CF-root and CWM versions (PDA_BCK_CF-root_universal_***.tar / PDA_BCK_CWM_universal_***.tar) can be flashed on any recent Gingerbread firmware. These versions are pre-rooted, which means they include Superuser.
    The non-CF-root "clean" version (PDA_BCK_XXKPQ_***.tar / PDA_BCK_XXLE4_***.tar) will only work on XXKPQ / XXLE4. Do not flash this version on anything other ROM than the one indicated in the file name. This will break your WiFi. It's especially risky to flash the clean version of BCK after flashing any CF-root kernel before. Don't do it. This version does not include Superuser, but it is prepared to be rooted. Follow the instructions to do this.
    After a kernel update, please wait for the device to boot up and reboot once. There is generally no need for cache cleaning or a full reset. To change the governor and IO scheduler, I use NoFrills CPU Control from the market. It's free and reliable.

    I recommend to use the clean XXKPQ version. If you want / need to have root, try the CWM version. If you want the 'full package' with FuGu-Mod and more, use the CF-root. I recommend that you do not apply any further tweaks and use a stock ROM.



    >>> Warning: Overclocking may damage your device. <<<​

    Overclocking instructions:
    For overclocking, you will need a shell on your phone, or adb access. I use Android Terminal Emulator. Overclocking is currently limited to certain frequencies (see below) and all operationg points will be set with the stock voltage of the corresponding stock frequency. The frequencies you set have to be within the following ranges:
    Code: 
    OPP1:  100 -  500 MHz, stock  300 MHz
OPP2:  501 -  700 MHz, stock  600 MHz
OPP3:  701 -  900 MHz, stock  800 MHz
OPP4:  901 - 1100 MHz, stock 1000 MHz
OPP5: 1101 - 1500 MHz, stock 1200 MHz, not used by default
    Remember that your phone uses all operating points depending on the current load. Anything more than 10% higher than the highest stock frequency is likely to be unstable, but you are free to try it. To change the clocks, open Terminal Emulator (or type 'adb shell') and hack in
    Code: 
    su
echo "1100" > /sys/power/overclock_opp4
    as an example. The others are opp5, opp3, opp2 and opp1. That's it.
    Settings will be lost at reboot, unless you add them to your init.d scripts. I do not recommend this, as this may cause boot loops if the settings are to high! Be advised that NoFrills CPU Control, SetCPU, or whatever app you use that may adjust clock settings interfers with this. You may wanna update their settings after this. I do not recommend using them to set anything at boot if you overclock any OPP, because they might save the wrong frequencies and crash or do worse.


    Changelog:
    beta 1:
    • Added cpufreq governors
    beta 2:
    • Changed smartassV2 settings to fit i9003
    • Added EXT4 support
    • Smaller zImage due to .config changes
    beta 3 (not released):
    • Experimented with overclocking (not working, yet)
    beta 4:
    • Finetuned smartassV2 settings
    • Made smartassV2 governor default
    • Reverted: Smaller zImage due to .config changes
    • Switched to linaro 4.6.2 toolchain (also used for ICS)
    • Activated new, aggressive compiler optimizations (-O3)
    • Added deadline IO scheduler
    • Added BFQ IO scheduler (10% higher performance than CFQ in Antutu Database IO Benchmark. This does not mean, that the maximum read or write speed increase! It just means that the throughput under heavy load is higher.)
    • Made BFQ IO scheduler default
    • Updated all modules
    beta 5:
    beta 6:
    • Variable overclock for all operating points
    beta 7:
    • Switched to universal CF-Root by amit.bagaria (BCK now should run on every recent GB ROM)
    • Added correct version information in settings menu, credits to DooMLoRD
    • Fixed cpufreq stats to correctly reflect frequency changes
    • Increased SD-card read ahead to 768 KBytes. This results in higher SD-card read speeds.
    • Major simplifications in overclocking code. Works more robust, now.
    • Added sysfs interface to show voltages. See /sys/power/overclock_vdd_oppX
    • Changed all voltages to the mainline Linux kernel defaults. This results in a slight 3% undervolt for each OPP, which saves about 5% power and should have no impact on stability whatsoever. Below you will find an overview of the exact voltages.
      Code: 
            stock     BCK
OPP1: 1.0250 V  1.0000 V
OPP2: 1.2000 V  1.1625 V
OPP3: 1.3300 V  1.3000 V
OPP4: 1.3875 V  1.3500 V
OPP5: not def.  1.3800 V
    beta 8:
    • OPP5 (1.2 GHz) now enabled in _1200 version of kernel. Thanks to knzo for pointing me to the right patch.
    • Fixed video recording bug when running at 1.2 GHz
    • Fixed power management issues at 1.2 GHz
    • Small changes to smartassV2 and interactiveX settings
    beta 9:
    • Added simple IO ('SIO') scheduler
    • Only one kernel version now, which includes OPP5 (1.2 GHz) but boots up at 1 GHz. Be advised that your device may nevertheless be running at 1.2 GHz for five to ten seconds at boot because of software limitations.
    • Changes in PM to always respect cpufreq policy limits. From now on, the device will never run at higher speeds than defined by you, not even on WiFi. Based on an omapzoom.org patch.
    • Changes to OPP switching code. May lead to less 'hickups'. Based on an omapzoom.org patch.
    • Bugfix for framebuffer code. Based on an omapzoom.org patch.
    • Reduced IVA / DSP frequency when on OPP5 to be on the safe side.
    beta 9fix:
    • Reverted: Changes to OPP switching code. May lead to less 'hickups'. (Patch caused random freezes using WiFi.)
    • Reverted: Bugfix for framebuffer code. (Patch showed no noticeable benefits.)
    beta 10:
    • Fix for sync bug applied. If you still have problems, please report.
    • This version is identical to beta 10rc14. No need to flash again, if you already are on that version.
    beta 11:
    • Updated universal CF-Root by amit.bagaria to version 9 (released 1st of February 2012), but NO touch recovery
    • Slight increase in OPP5 voltage (1.38 V -> 1.40 V), may prevent some reported reboots on 1.2GHz
      Code: 
            stock     BCK
OPP5: not def.  1.4000 V
    • Changes in overclocking code to play nice with your frequency settings. If you overclock OPP5 but have restricted freqs to 300 - 1000 MHz, it won't automatically activate OPP5 anymore. The same is true for the lowest OPP.
      If you overclock OPP4 above 1000 MHz and have restricted freqs to 300 - 1000 MHz, it will update the upper boundary to the new frequency of OPP4 so it doesn't get deactivated.
    beta 12:
    • Fixed bluetooth problem with car audio systems (Based on omapzoom patches [1], [2] and [3]). Might resolve other bluetooth issues, too.
    • Universal CF-Root: Fixed bootanimation. Thanks to loSconosciuto.
    • Universal CF-Root: Fixed install procedure. It will check the actual kernel version, now. Thanks to loSconosciuto.
    • Universal CF-Root: Fixed fix_permissions script to work on our device. Thanks to loSconosciuto.
    • Switched to user_defconfig, to avoid unnecessary debug lines in dmesg.
    beta 13:
    • Updated sources to GT-I9003_SWA_GB_Opensource_Update1 from the 30th of March. This also enables TUN support by default. You do not need any modules for this - it works "out of the box" with any VPN client.
    • Universal CF-Root: Backup is not failing anymore when started from CWM. Thanks to loSconosciuto.
    • Universal CF-Root: Some small improvements to multiple scripts.
    • Home button double press issue fixed. There should be no more unwanted double selections in CWM and you can now reliably long press the home button to bring up the list of previously used apps. Idea and timer function taken from a patch by Tegrak.
    • Fixed priority class for CONTENT_PROVIDER not being set, which may have caused apps of this class to be ignored by the autokiller, resulting in less free RAM.
    • Lowered OMAP processor transition latency to the value recommended by TI. Subjectively, this brought huge improvements in terms of reducing micro stutters.
    • Lowered CFS scheduler latency and granularity to values very close to mainline kernel defaults. This could reduce lags in some critical situations, but it doesn't do wonders.
    • Switched to SIO as default IO scheduler.
    beta 14:
    • Universal CF-Root: Replaced CWMManager and TweakManager with zipaligned files. Thanks to loSconosciuto.
    • Universal CF-Root: The TweakManager is not replaced on install if it didn't change to preserve it's settings. Thanks to loSconosciuto.
    • Universal CF-Root: Corrected problems because of too little free space in /system when converting to ext4 by permanently moving InfoAlarm.apk from /system/app to /data/app. Thanks to loSconosciuto.
    • Universal CF-Root: Fixed the non-working WiFi on XXLE4 and prevented future problems. Instead of patching the WiFi modules, they are now replaced. Thanks to loSconosciuto.
    • Universal CF-Root: Fixed some small mistakes in the CF-root install procedure.
    • Switched the compression of ramdisk and kernel from gzip to lzma. This makes the files much smaller and allows us to include more 'stuff'.
    • Changed smartassV2 settings to wake up at lower frequencies. Further, it is not locked at 300 MHz anymore when the screen is off. Tests showed that free scaling is more battery friendly.
    • Removed InteractiveX and OndemandX governors and added the Interactive governor by Mike Chan (Source: CyanogenMod Crespo kernel). Since free scaling proved to be more battery friendly, the screen off profiles in InteractiveX and OndemandX made them superfluous.
    • The device will not scale above 1 GHz for some seconds when booting anymore. It's now safe to use BCK even if your device can't handle 1.2 GHz. Based on a patch by dalingrin.
    • Changes in PM to respect cpufreq policy limits when playing or recording video. The device should respect your wishes under all circumstances, now ;)
    • Fixed the SmartReflex voltage calibration of the OMAP SoC for OPP5. This could lower power consumption as soon as OPP5 (1.2 GHz) is activated for the first time.
    • Slight increase in the OPP5 nominal voltage (1.40 V -> 1.42 V) to allow for some adjustment by SmartReflex (now that it's working...), if necessary. The actual voltage when the device is running will not change for most users! Based on patches by dalingrin and Sanjeev Premi.
      Code: 
            stock     BCK
OPP5: not def.  1.4200 V
    beta 14 fix:
    • Universal CF-Root: Fixed the non-ending row of force closes after flashing the Universal flavour of BCK. The clean XXKPQ version did not show these problems and didn't need a 'fix'.
    beta 15:
    • Universal CF-Root: Modified some permissions to bring it closer to the stock ramdisk
    • Universal CWM: Created a CWM ramdisk based on CF-root, without most tweaks. You now have three BCK flavours to choose from :)
    • Updated to newest UPDATE2 sources by Samsung
    • Sync bug fix reworked to use new Samsung method from UPDATE2. This may lead to slightly lower standby battery consumption.
    • Fixed accidental front camera mirroring
    • Editing smartassV2 settings with busybox 1.20.x and newer no longer leads to reboots. Thanks to loSconosciuto for pointing me to the patch.
    • Fixed complete crash of WiFi driver when activating WiFi by adapting smartassv2 thresholds
    • Reverted to the original Google Android toolchain using gcc 4.4.3
    • Because of the toolchain-switch, the compiler optimizations are now back to -O2 instead of -O3



    Credits:
    Credits go to the mentioned developers of the cpufreq governors, ganeshbiyer, skin1980 and amit.bagaria for the CF-Root and skin1980 for his repack script. Many thanks to DooMLoRD, amit.bagaria, knzo and loSconosciuto for their help! BCK sources are available on GitHub.


    Files:
    Attached files:
    • ODIN-flashable PDA_BCK_XXKPQ_***.tar with stock Samsung ramdisk ('Clean flavour'). Only for XXKPQ ROMs.
    • ODIN-flashable PDA_BCK_XXLE4_***.tar with stock Samsung ramdisk ('Clean flavour'). Only for XXLE4 ROMs.
    • ODIN-flashable PDA_BCK_CF-root_universal_***.tar with CF-root ramdisk ('Universal CF-root flavour'). For all current Gingerbread ROMs.
    • ODIN-flashable PDA_BCK_CWM_universal_***.tar with CWM (rooted) ramdisk ('Universal CWM flavour'). For all current Gingerbread ROMs.
    Other files (not attached):
    Old releases and release candidates can be found on Dev-Host. Use these with caution!


    MD5 sum:
    Code: 
    PDA_BCK_XXKPQ_beta10.tar:                83013b2d54c52dddb72deec46b5471de
PDA_BCK_CF-root_universal_beta10.tar:    e1e8bcc28c878095618413141b642ec1
PDA_BCK_XXKPQ_beta11.tar:                9eaa6d080f3409c4822e38602bad8efb
PDA_BCK_CF-root_universal_beta11.tar:    93437cf26699dfe595881941b13a6a83
PDA_BCK_XXKPQ_beta12.tar:                d9849ae7d9587402aa6465081b4c65a1
PDA_BCK_CF-root_universal_beta12.tar:    2107dfbf33b2838e66007f4319bee14e
PDA_BCK_XXKPQ_beta13.tar:                bff3112d3249e951a569148d79643744
PDA_BCK_CF-root_universal_beta13.tar:    1fab51d641a8914e11a81781683d7d7d
PDA_BCK_XXKPQ_beta14.tar:                08cd77964c3d8b54b4c97e59500a0b96 
PDA_BCK_CF-root_universal_beta14fix.tar: 6a2cda17362f5a2e6aac7e78dbe94089
PDA_BCK_XXLE4_beta15.tar:                7159e6cd5f2b71bebffcb4d86201b6cf
PDA_BCK_CF-root_universal_beta15.tar:    ecfa46b8aec239f1ac246df61dc63477
PDA_BCK_CWM_universal_beta15.tar:        765a5253b0313d41399ea86822cf5f80
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    UPDATE: BCK beta15 is up. This version is mostly identical to beta15rc8, but is compiled with the user_defconfig. That means there is less debug stuff in there than in the rc releases. Go for it! :)

    On a side note, this may very well be my final release. I've had very little time these past months to maintain the kernel. I know there are some annoying bugs left, but I currently do not know how to fix them and probably won't have the time to learn how to. Therefore, I can only encourage everybody to try it themselves! My full sources are on Github and since this is open source, everybody is free to join or take over the development :)

    It was always a pleasure sharing with you. Stay positive ;)



    Changelog:
    beta 15:
    • Universal CF-Root: Modified some permissions to bring it closer to the stock ramdisk
    • Universal CWM: Created a CWM ramdisk based on CF-root, without most tweaks. You now have three BCK flavours to choose from :)
    • Updated to newest UPDATE2 sources by Samsung
    • Sync bug fix reworked to use new Samsung method from UPDATE2. This may lead to slightly lower standby battery consumption.
    • Fixed accidental front camera mirroring
    • Editing smartassV2 settings with busybox 1.20.x and newer no longer leads to reboots. Thanks to loSconosciuto for pointing me to the patch.
    • Fixed complete crash of WiFi driver when activating WiFi by adapting smartassv2 thresholds
    • Reverted to the original Google Android toolchain using gcc 4.4.3
    • Because of the toolchain-switch, the compiler optimizations are now back to -O2 instead of -O3
    View
    18
    XDA_Bam
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    UPDATE: Beta 13 is up. There are some huge improvements to the user experience in this one, and - also thanks to loSconosciuto's help - some rather annoying bugs are gone. Test it - you won't regret it! :D

    If there are no major issues with this release, the next one's gonna be 1.00.


    Changelog:
    beta 13:
    • Updated sources to GT-I9003_SWA_GB_Opensource_Update1 from the 30th of March
    • Universal CF-Root: Backup is not failing anymore when started from CWM. Thanks to loSconosciuto.
    • Universal CF-Root: Some small improvements to multiple scripts.
    • Home button double press issue fixed. There should be no more unwanted double selections in CWM and you can now reliably long press the home button to bring up the list of previously used apps. Idea and timer function taken from a patch by Tegrak.
    • Fixed priority class for CONTENT_PROVIDER not being set, which may have caused apps of this class to be ignored by the autokiller, resulting in less free RAM.
    • Lowered OMAP processor transition latency to the value recommended by TI. Subjectively, this brought huge improvements in terms of reducing micro stutters.
    • Lowered CFS scheduler latency and granularity to values very close to mainline kernel defaults. This could reduce lags in some critical situations, but it doesn't do wonders.
    • Switched to SIO as default IO scheduler.
    View
    17
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    UPDATE: beta 14 is up! For everybody using the ValuePack (XXLE4): The CF-root version of BCK will now root your device without breaking the WiFi. For everybody else, I recommend that you read the changelog and update as soon as you're comfortable :)


    Changelog:
    beta 14:
    • Universal CF-Root: Replaced CWMManager and TweakManager with zipaligned files. Thanks to loSconosciuto.
    • Universal CF-Root: The TweakManager is not replaced on install if it didn't change to preserve it's settings. Thanks to loSconosciuto.
    • Universal CF-Root: Corrected problems because of too little free space in /system when converting to ext4 by permanently moving InfoAlarm.apk from /system/app to /data/app. Thanks to loSconosciuto.
    • Universal CF-Root: Fixed the non-working WiFi on XXLE4 and prevented future problems. Instead of patching the WiFi modules, they are now replaced. Thanks to loSconosciuto.
    • Universal CF-Root: Fixed some small mistakes in the CF-root install procedure.
    • Switched the compression of ramdisk and kernel from gzip to lzma. This makes the files much smaller and allows us to include more 'stuff'.
    • Changed smartassV2 settings to wake up at lower frequencies. Further, it is not locked at 300 MHz anymore when the screen is off. Tests showed that free scaling is more battery friendly.
    • Removed InteractiveX and OndemandX governors and added the Interactive governor by Mike Chan (Source: CyanogenMod Crespo kernel). Since free scaling proved to be more battery friendly, the screen off profiles in InteractiveX and OndemandX made them superfluous.
    • The device will not scale above 1 GHz for some seconds when booting anymore. It's now safe to use BCK even if your device can't handle 1.2 GHz. Based on a patch by dalingrin.
    • Changes in PM to respect cpufreq policy limits when playing or recording video. The device should respect your wishes under all circumstances, now ;)
    • Fixed the SmartReflex voltage calibration of the OMAP SoC for OPP5. This could lower power consumption as soon as OPP5 (1.2 GHz) is activated for the first time.
    • Slight increase in the OPP5 nominal voltage (1.40 V -> 1.42 V) to allow for some adjustment by SmartReflex (now that it's working...), if necessary. The actual voltage when the device is running will not change for most users! Based on patches by dalingrin and Sanjeev Premi.
      Code: 
            stock     BCK
OPP5: not def.  1.4200 V


    PS: If you're missing Lionheart or Lulzactive, look into the FAQ.
    View
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    UPDATE: Please feel free to test BCK beta 15rc7 in the Universal CF-root flavour or with Universal CWM. I recommend that you flash the flavour you have currently installed (i.e. use CF-root if you currently use CF-root). There are only very small changes compared to beta 15rc6 and so far, no serious problems have been reported with the latter release. A backup is recommended none the less. I hope to have fixed most WiFi problems with this rc, although it might still hang from time to time when acquiring an IP address.

    Let me know if this release solves the WiFi problem for you (and if you had it before) :)


    Changelog:
    • Possibly fixed complete crash of WiFi driver when activating WiFi
    View

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