Development [KERNEL] [blu_spark r104 OP9/Pro] [A11 OOS/A12 Custom]

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Feb 12, 2008
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16
OnePlus 9 Pro
That's interesting, because i get an error, if i try to flash it via EXKM.
I also did a 100% clean flash of crDroid. I flashed the Firmware for Europe.

Unpacking ramdisk always fails.

#update: Seems like you can flash blu_spark on crDroid only via recovery. If you try via EXKM oder FKM it fails and does not boot anymore. I had to reflash dtbo, vendor and boot image again via fastboot to make it work and then i flashed the kernel via recovery without issues.
I'm only getting "unsupported Android version..." flashing dtbo, vendor and boot also didn't help :(

Could it be that it wont find the android partition?

[ 254.491527] mount: mounting /dev/block/bootdevice/by-name/userdata on /data failed: Invalid argument [ 254.527495] mount: can't find /system_root in /etc/fstab [ 254.535238] mount: mounting /dev/block/mapper/system_b on /system_root failed: No such file or directory [ 254.621169] grep: /system/build.prop: No such file or directory [ 255.867907] E:Error in /sideload/package.zip (status 1)


EDIT: Nvm cant believe I made such a rookie mistake. Had to change the slot to a 🫠
EDIT 2: Stil rebooting straight to recovery even after flashing dtbo, vendor and boot. Seems like I'll have to dirty flash crdroid again.
 
Last edited:

eng.stk

Senior Member
Mar 29, 2011
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OnePlus 5T
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I'm only getting "unsupported Android version..." flashing dtbo, vendor and boot also didn't help :(

Could it be that it wont find the android partition?

[ 254.491527] mount: mounting /dev/block/bootdevice/by-name/userdata on /data failed: Invalid argument [ 254.527495] mount: can't find /system_root in /etc/fstab [ 254.535238] mount: mounting /dev/block/mapper/system_b on /system_root failed: No such file or directory [ 254.621169] grep: /system/build.prop: No such file or directory [ 255.867907] E:Error in /sideload/package.zip (status 1)


EDIT: Nvm cant believe I made such a rookie mistake. Had to change the slot to a 🫠
EDIT 2: Stil rebooting straight to recovery even after flashing dtbo, vendor and boot. Seems like I'll have to dirty flash crdroid again.
A little search could get you up and running, already been discussed...
boot, vendor_boot, vbmeta flashed in fastboot
vendor_dlkm flasehd in fastbootd
Or just dirty flash Your ROM ofc, whatever is faster for you.
I don't touch dtbo on this kernel.

Don't use recovery to flash, is in the release post! Results may vary.
Use Kernel Flasher instead (given your ROM is compatible, which may be not). This is meant for LOS 19.1.
Also, other kernel apps flashing is still not compatible with latest ak3 changes.
 
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mattie_49

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Feb 4, 2010
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Using 103 on pixel extended for lemonade.!! Build absolutely has to be on slot a to successfully flash. Props @eng.stk
 

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.DeluXer

Member
Aug 1, 2021
9
0
OnePlus 9 Pro
I use lastest StagOS.

After flashing Kernel on Slot_a through Kernel Flasher Device needs very long to boot.
After boot I only see Lockscreen. Touch is not working.

Edit: Flashing via adb sideload also doesnt work
 
Last edited:

eng.stk

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Mar 29, 2011
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PKkeys

Senior Member
Apr 19, 2021
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Hi, can anyone tell me the steps to flash this kernel? I'm currently on Nameless AOSP latest build. I'm not sure how to flash in SLOT a. detailed step would be welcomed. Thanks in advance. I've not rooted also.
 
Last edited:

golfgtiedition30

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Dec 2, 2012
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  • 10
    blu_spark_r106 release (A12 custom)

    New build is up (y)

    I tested with lineage-19.1-20220830-nightly-lemonadep-signed.zip, kernel build may work with other ROMs that use similar device/kernel trees.
    This kernel is tested for the 9 Pro but it's unified, so should work for the OP9 also.

    For flashing and easy of install logging, Kernel Flasher is recommended.

    You can use Kernel Flasher/FKM download kernel feature, just import the link bellow in the app updates/flash section.
    Download config: custom


    Changelog:
    • Sync with lineage-19.1-20220830-nightly
    • oplus_chg: Report full charge capacity properly
    • For root, Magisk 25.2 or newer is mandatory


    Keep in mind: I will give no active support for custom ROMs (just kidding ;p).
    I am mostly interested on debugging stuff with logs and reproducible steps to replicate the issue.


    No mirrors please
    Don't forget to hit like, it's free :)
    3
    blu_spark_r106 release (A12 custom)

    New build is up (y)

    I tested with lineage-19.1-20220830-nightly-lemonadep-signed.zip, kernel build may work with other ROMs that use similar device/kernel trees.
    This kernel is tested for the 9 Pro but it's unified, so should work for the OP9 also.

    For flashing and easy of install logging, Kernel Flasher is recommended.

    You can use Kernel Flasher/FKM download kernel feature, just import the link bellow in the app updates/flash section.
    Download config: custom


    Changelog:



    Keep in mind:
    I will give no active support for custom ROMs (just kidding ;p).
    I am mostly interested on debugging stuff with logs and reproducible steps to replicate the issue.


    No mirrors please
    Don't forget to hit like, it's free :)
    Confirmed for OP9 and newest CrDroid
    1
    "A12 custom" on the title means that on Android 12 it only works in custom roms and not in oxygenOS?
    A11 is for OOS.
    A12 is available for custom ROMs only, no OOS.
  • 85
    DWHxIK

    Kernel features:
    • Build with custom upstream LLVM 14.x (Clang 14.0.6 + LLD linker + IAS)
    • full thinLTO -O2 build with device and target flags enhanced, build improvements and compiler fixes, etc
    • Less is more: stockish OP9 builds based on OnePlusOSS/android_kernel_oneplus_sm8350 for max stability
    • Systemless installer (doesn't touch system/vendor partition, OTA friendly), AnyKernel3 backend (compatible with autoflash apps)
    • Removed some debug and logging options
    • ARM enhanced performance and battery patches
    • CVE security patches, general upstream and CAF fixes for important subsystems
    • Modded schedutil governor merged from latest CAF sm8350 patchset
    • No OC, use 250HZ base timer frequency
    • msm_performance touchboost toggle on/off (enabled by default), tweaked cpu_boost driver
    • Enhanced TCP methods (westwood is default, BBR available), Network tweaks and updated drivers
    • Several I/O control tweaks, advanced filesystems enabled (F2FS, ExFAT, NTFS, CIFS & NFS)
    • ZRAM Swap (4GB LZ4 default) and with file disabled (2 GB storage gain), LZO-RLE and ZSTD are available
    • Vibrator Strength tunable and Gesture Haptic Feedback control (touchpanel and FPR)
    • KGSL fixes and general improvements for GPU driver
    • adrenoboost ready (disabled by default)
    • Backlight min brightness and brightness scaling (custom) option
    • Gamepad support enabled (xbox, ps4, switch)
    • USB2 Fast Charge (USB mode up to 900mA with MTP on)
    • FS fsync toggle on/off
    • Wakelock blockers available
    • wireguard support
    • Compatible with Kernel Flasher, EXKM, FKM , Kernel Adiutor and others


    DOWNLOAD KERNEL ZIP
    Kernel Flasher/FKM download configs: oos | custom
    (No mirrors please)​


    Setup and troubleshoot: To install just flash the zip on a stock setup with either TWRP or autoflash kernel app.
    If you come from other kernel or have any issues, you should restore your stock boot.img/vendor_boot.img or dirty flash your ROM before flashing blu_spark zip to avoid problems. Also uninstall or clean data of any kernel control app you're using.
    If you are upgrading between blu_spark versions, just flash the kernel zip.

    About bugs and reports: don't bother to post if a log isn't ready or without steps so the behavior can be replicated. I only active support stock OOS ROM with NO mods whatsoever (apart from root). That includes NO support if using xposed, Magisk with added modules, etc.
    If you're using custom ROMs (including stock based ones) and OOS Open Betas you're much on your own. I'm mostly interested on debugging stuff in stock and stable OOS.
    Also try not to spam the thread with OT. There's threads for all kind of stuff, use them.

    Going back to stock: This kernel installer doesn't change your filesystem. You can backup your boot.img/vendor_boot.img with TWRP or kernel app before flashing blu_spark if you want to go back to full stock or just dirty flash your full ROM.


    Source Code: https://github.com/engstk/op9
    Don't forget to hit thanks, it's free ;)


    OnePlus 9 Pro development unit donated by OnePlus. Big shouts to them :)
    Very proud for being on the OnePlus Developer Program, special thanks to dev relations team.
    31
    blu_spark_r23 release

    First blu_spark build for the OP9 series is up (y)

    This kernel is tested for the 9 Pro but it's unified, so should work for the OP9 also (need some fixes since code is broken). So backup you boot if you want to test and let me know :)
    Kernel already have some merged goodies and I think I have a good base to work with. For a couple days of work, it's not bad :)
    I'll take a look into more stuff to come, some things in OP are WIP. Stay tuned!

    You can use FKM download kernel feature, just import the links bellow in the app.
    FKM download configs: oos


    Changelog:
    • Build with Google Clang 12.0.5 + LLD linker
    • Synchronize codes for OnePlus 9/Pro Oxygen 11.2.6.6.LE25AA
    • Several build error fixes and quirks handled
    • Compilation improvements an cruf removed
    • Some goodies already merged like filesystem stuff, cpu governor & boost/msm perf, TCP algos, wakelock blocker, vibration and haptic feedback control, gpu adrenoboost, etc
    • All drivers builtin, wifi stack and datarmmnet merged from CAF
    • net/wireguard: merge v1.0.20210424


    Keep in mind: I will give no active support for custom ROMs (including OOS based ones).
    I am mostly interested on debugging stuff in stock stable OOS (with logs and reproducible steps to replicate the issue).


    No mirrors please
    Don't forget to hit thanks, it's free :)
    21
    [Thread Cleaned]

    Good (or perhaps not so good?) day everyone! I've removed a few posts but left the ones that matter: civilized closure of conflict – social media can learn a thing or two from this. As we sit behind our desks and in our couches (or on a plane, even that's a thing nowadays), protected by that anonymity shield, we easily throw our words out into the world. And sometimes we regret them. Unfortunately, we find it so easy to judge one another for that. But facing the fact that we're all just humans that make mistakes, I believe we know that we shouldn't judge so quickly. Now more than ever; kindness should prevail.

    Thank you for your attention and have an energetic day or quiet night in your part of the world. If you need a chat, drop me a line. Just keep our development threads focused on development and mutual respect.

    Cheers!
    Timmy
    Forum Moderator
    17
    blu_spark_r52 release

    New build is up (y)

    This kernel is tested for the 9 Pro but it's unified, so should work for the OP9 also.

    You can use FKM download kernel feature, just import the links bellow in the app.
    FKM download configs: oos


    Changelog:
    • Synchronize codes for OnePlus 9 Oxygen 11.2.10.10
    • f2fs: shrink node_write lock coverage
    • AnyKernel3 updates (v20211215)
    • Couple init runtime adjusts to better UX
    • For root, Magisk 23.0 or higher is mandatory


    Keep in mind: I will give no active support for custom ROMs (including OOS based ones).
    I am mostly interested on debugging stuff in stock stable OOS (with logs and reproducible steps to replicate the issue).


    No mirrors please
    Don't forget to hit thanks, it's free :)
    16
    blu_spark_r54 release

    New build is up (y)
    One last A11 hurrah before stuff start to line up for A12.

    This kernel is tested for the 9 Pro but it's unified, so should work for the OP9 also.

    You can use FKM download kernel feature, just import the links bellow in the app.
    FKM download configs: oos


    Changelog:
    • Build with Google Clang 14.0.1 + LLD linker
    • wakelock blocker updates
    • Couple build reverts
    • AnyKernel3 updates (v20220126)
    • For root, Magisk 24.1 or newer is mandatory


    Keep in mind: I will give no active support for custom ROMs (including OOS based ones).
    I am mostly interested on debugging stuff in stock stable OOS (with logs and reproducible steps to replicate the issue).


    No mirrors please
    Don't forget to hit like, it's free :)