[KERNEL] [blu_spark r152] [Marshmallow 6.0.1 / Nougat 7.1.*]

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drac0

Senior Member
Dec 31, 2010
538
368
@eng.stk any chance we soon see blu_spark for Oreo ROMs pretty please? Just tested latest @P4Block LOS 15.1 build with Unlegacy custom kernel and its pretty stable, only missing proper Bluetooth solution, but its not blu. I need your blu_sorcery with latest f2fs with that ROM. Cheers mate! :highfive:
 

eng.stk

Senior Member
Mar 29, 2011
6,788
58,581
OnePlus 5T
OnePlus 6
@eng.stk any chance we soon see blu_spark for Oreo ROMs pretty please? Just tested latest @P4Block LOS 15.1 build with Unlegacy custom kernel and its pretty stable, only missing proper Bluetooth solution, but its not blu. I need your blu_sorcery with latest f2fs with that ROM. Cheers mate! :highfive:
I would hardly calling Oreo stuff in N5 stable...
No updates for that in my agenda.
 
Last edited:

OSheden

Senior Member
Feb 13, 2017
421
209
play.google.com
FWIW, both RR and AEX are completely stable. I have used both for a couple of days under heavy load. Both run extremely well.
You are wrong. They are not completely stable. If the features you use are working then good for you but some things don't work. It could be "hidden stuff" (from a user point of view) or features that you don't use such as the implementation of the VPN service that is broken.
 

Dang !!!

Senior Member
Nov 29, 2015
108
9
Kottayam
hi all, i bought a spare device N5, used one and am trying to tweaking it by root and custom rom. Am new to hammerhead and finding difficulty in understand whether the current build supports mm? on chroma rom with magisk opengapps and stock kernel.

Flashed r152 on chroma with wifi fix now working..

awesome bluspark.. i think i will.. (no need for a post)
 
Last edited:

Sam Nakamura

Retired Forum Moderator
hi all, i bought a spare device N5, used one and am trying to tweaking it by root and custom rom. Am new to hammerhead and finding difficulty in understand whether the current build supports mm? on chroma rom with magisk opengapps and stock kernel.

Flashed r152 on chroma with wifi fix now working..

awesome bluspark.. i think i will.. (no need for a post)

lol :laugh:

Same story here... :good:

Actually it's fun to explore older devices I didn't owned back then, bought a few nexus lately (4,5,7) and it's pretty charming to see big parts of Android history and how they're still being supported after all the years...

We can consider ourselves almost environmental activists for not binning those technical devices but give them further use :angel: :s: haha..


----------------
Edit: could someone point me to the WIFI fix, was just googlin it but there seem to several, just yesterday I was flashing DU which suddenly broke WIFI (thought it was a DU specific bug and didn't know it's rather a common problem at the time), now I am on LineageOS 14.1 without any issues, however a fix to the sudden loss of wifi would be great...

And another thing, is bluspark still compatible with latest lineageOS, I know it says Android 7.1 but the last kernel release is from a while ago, someone here who has experience with this combo? Does it break WIFI too?
@eng.stk sorry for going little OT here, hope you don't mind... :)

Sent from my Nexus 5 using XDA Labs
 
Last edited:

NetIHeCat

Member
Feb 4, 2021
8
0
I flashed theblu_spark_r152_hammerhead_android_7.x_8d27510 via twrp (successfully) and after rebooting I see that the kernel version has not changed. How can this be?
( I use [ROM][UNOFFICIAL] LineageOS 14.1 for Nexus 5 (hammerhead) From razorloves )
 
Last edited:

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  • 767
    DWHxIK

    Kernel features:
    • Build with custom toolchain blu_naro-7.2 (cortex-a15 neon-vfpv4 hard-float targeted, build with latest Crosstool-NG from developer snapshot Linaro GCC 7.2-2017.10)
    • Full -O3 support with device and target flags enhanced, linaro build improvements, etc
    • Less is more: stockish builds based on android-msm-hammerhead-3.4-marshmallow-mr3
    • Kernel compressed with XZ, custom tweaked RAMdisk with GZIP (faster boot times)
    • Removed some debug and logging options
    • Enhanced performance and battery patches
    • Several CPU Governors (blu_active own governor is default- fastlane mode available!)
    • Voltage Control UV_mV_table (UV down to 700mV possible)
    • Enhanced TCP methods (westwood is default), Network and Wifi tweaks
    • Several I/O control (added FIOPS and ZEN is default), tweaked filesystems (F2FS, ExFAT, NTFS & CIFS available)
    • Disabled stock mpdecision and thermald
    • blu_plug: Dynamic hotplug for hammerhead
    • msm_thermal simple driver (default 65º C threshold)
    • Optimized RWSEM, AES and SHA1 routines (with neon support)
    • Vibrator Strength tunable (60% default)
    • KGSL fixes and reworked GPU driver (removed doubled freqs, goes to idle @ 27MHz), Simple GPU Governor by default
    • Gamma Control and KCAL - Advanced color control for Qualcomm MDSS (RGB calibration and post-processing features)
    • Backlight dimmer ready (disabled by default, tuned min manual brightness - level 3)
    • Wakelock blockers available
    • USB automount (ROM must support it, otherwise use stickmount)
    • CDROM emulation added to mass_storage (Drive Droid compatible)
    • Kexec (multirom) full support
    • doubletap2wake available (0:disabled, 1:enabled, 2:enabled fullscreen), option to disable with power button or after wake_timeout
    • USB Fast Charge (USB mode up to 900mA with MTP, Increase battery charging current to use higher input current on AC mode, proprietary charger detection
    • init.d support (put your scripts in /system/su.d or /su.su.d [systemless SuperSU], /magisk/.core/post-fs-data.d [Magisk])
    • Compatible with Kernel Adiutor, Universal Kernel Manager and others

    DOWNLOAD KERNEL ZIP (no mirrors please)


    Warning: If you come from other kernel, you should dirty flash your ROM before flashing blu_sp★rk zip to avoid problems.
    Also uninstall or clean data of any kernel control app you're using.

    About bugs and troubleshoots: don't bother to post if a log isn't ready or without steps so the behavior can be replicated. Also, I only actively support stock ROM with NO mods whatsoever (apart from root).
    No support will be given to custom ROM including N stuff, so don't clutter the thread with it (specially):
    • No talking about WiFi and N issues.
    • No talking about ROM related and misc N issues.
    Save the SOT and battery stats/screenshots for general threads, here we deal with development, not personal tastes and results.
    Also no OT about OTAs, apps, ROM bugs and other userspace stuff. There's threads for it, use them.


    This kernel installer modifies your filesystem, backup your boot.img with TWRP if you want to go back to full stock (or you can fastboot boot.img or dirty flash your ROM also)


    If you want to use F2FS, do the following (backup your data before attempt this, it will erase all your Data)
    • Flash TWRP with f2fs support and flash latest blu_sp★rk zip
    • Go to Wipe -> Advanced Wipe -> Select only Data -> Repair/Format File system -> Change partition type to F2FS
    • Go to Wipe -> Advanced Wipe -> Select only Cache -> Repair/Format File system -> Change partition type to F2FS
    • Reboot and profit


    pp-acceptance-medium.png

    If you like my work, donations are always welcome (but not mandatory).
    Don't forget to hit thanks, it's free ;)


    XDA:DevDB Information
    blu_spark hammerhead, Kernel for the Google Nexus 5

    Contributors
    eng.stk
    Source Code: https://github.com/engstk/hammerhead

    Kernel Special Features: powered by sparky

    Version Information
    Status: Stable
    Current Stable Version: r152
    Stable Release Date: 2017-11-23
    Current Beta Version: r141
    Beta Release Date: 2017-09-13

    Created 2015-08-10
    Last Updated 2019-11-29
    137
    blu_spark r40

    All right crew!
    New build is up, enjoy :)

    • audit: Mute userspace and kernel audit logs (goodbye nasty task exit spam)
    • net: fix iterating over hashtable in tcp_nuke_addr()
    • Input: optimize events_per_packet count calculation
    • tcp_cubic: fix the range of delayed_ack
    • tcp: fix timing issue in CUBIC slope calculation
    • Reverted moto LMK merges

    Don't forget to hit thanks ;)
    133
    blu_spark r35

    All right crew!

    New build is up, enjoy :)

    • lowmemorykiller: squash task adj rbtree optimization from Motorola
    • input: Don't reset keys pressed at suspend time from Atlantis
    • tcp_cubic: do not set epoch_start in the future, better follow cubic curve after idle period
    • Improvements on RAMdisk and install routines

    Don't forget to hit thanks ;)
    131
    blu_sp★rk r51

    All right crew!

    New update is up, some nice goodies inside, go get it.

    • makefile: use blu_naro cortex-a15 neon-vfpv4 hard-float toolchain (build with latest Crosstool-NG from developer snapshot Linaro GCC 5.3-2015.12)
    • sched/rt: Reduce rq lock contention by eliminating locking of non-feasible target
    • sched/core: Fix an SMP ordering race in try_to_wake_up() vs. schedule()
    • sched: Fix RLIMIT_RTTIME when PI-boosting to RT, Queue RT tasks to head when prio drops, Fix race in idle_balance()
    • sched/fair: Stop searching for tasks in newidle balance if there are runnable tasks
    • msm: camera: sensor: Change wait func to wait_for_completion_timeout
    • proc: actually make proc_fd_permission() thread-friendly, make proc_fd_permission() thread-friendly
    • futexes: Increase hash table size for better performance
    • mm/slub: don't wait for high-order page allocation
    • fs/buffer.c: increase the buffer-head per-CPU LRU size
    • ASoC: pcm: If pmdown_time is zero then shut down DAPM immediately
    • net: wireless: bcmhd: Serialize wl_notify_escan_complete
    • ARM: msm: hammerhead: Check completion status on vote for resume, Ignore watchdog init if device is interactive
    • net: wireless: bcmdhd: Do not process partial resume on bus reset, Fix suspend failure due to wakelock/wakeunlock mismatch, Ensure watchdog thread isnt called on bus reset, fix for watch dog issue in wifi connect test
    • cpufreq: ondemand: even if it's not being used it spawns uninterruptible threads equal to the num
    • wakeup: Add the guard condition for len in pm_get_active_wakeup_sources
    • timer: Prevent overflow in apply_slack
    • bluetooth: Validate socket address length in sco_sock_bind().
    • net: add validation for the socket syscall protocol argument
    • md: use kzalloc() when bitmap is disabled
    • ipv6: addrconf: validate new MTU before applying it
    • pagemap: do not leak physical addresses to non-privileged userspace

    If you like my work, don't forget to hit thanks :good:
    123
    Code_Blue r923

    All right crew!

    Back to the heavyweight jam :angel:
    I decided to reopen the thread after some thinking and some nice talks I had with several people.
    I do this for fun, so behave and don't make me regret it.

    This is for Lollipop 5.1 ROMs only.

    The zip uses anykernel installer, this means it uses previously installed ROM kernel Ramdisk.
    If already have Code_Blue or ROM default kernel installed just flash over.
    If you come from other kernel dirty flash you ROM and flash Code_Blue after.

    Changelog: http://goo.gl/tyW8lf

    Keep it real, keep it true, keep it #Code_Blue
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