[MOD] MultiROM v33

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npjohnson

Senior Member
May 3, 2014
1,555
2,246
St. Augustine, FL
Here is the modified multirom installer for those who are getting error since stable 1. This is the final result of the solution provided in post #245. I am uploading this bcoz I myself have suffered for 3 days for not getting a working multirom.

Could you please remove this link? I appreciate the fix in my absence, but hate to have users on multiple builds.

Thank you :).
 

krazy_smokezalot

Senior Member
Sep 24, 2010
2,569
1,205
Washington DC
OK I try not to ask but I have no choice I flashed the step's from OP but all I get is the MultiRom Splash screen then goes into twrp recovery and no sign or MR. I flashed the IMG file from op through twrp. Is that my issue? I'm using Franco r10

Sent from my Nexus 6P using Tapatalk

Edit: I am using the latest beta as well I read previous Page's prior to mines. But following the OP
 
Last edited:

SchmilK

Senior Member
Nov 2, 2007
742
508
play.google.com
Thanks for the link, but it keeps failing 0.o

This isn't a "wipe and flash" zip file, looks like it might be an OTA of sorts.

Updater script is
Code:
(!less_than_int(1457137208, getprop("ro.build.date.utc"))) || abort("Can't install this package (Sat Mar  5 00:20:08 UTC 2016) over newer build (" + getprop("ro.build.date") + ").");
Typically there are mount and wipe /system partition, but that is not there.

Later down it shows an abort message that leans again towards an OTA package...
Code:
 abort("vendor partition has unexpected non-zero contents after OTA update");
endif;
 
Jun 29, 2014
38
310
OK I try not to ask but I have no choice I flashed the step's from OP but all I get is the MultiRom Splash screen then goes into twrp recovery and no sign or MR. I flashed the IMG file from op through twrp. Is that my issue? I'm using Franco r10

Sent from my Nexus 6P using Tapatalk

Edit: I am using the latest beta as well I read previous Page's prior to mines. But following the OP

You have a phone with encrypted storage, and Stable 2 is still missing libstdc++.so - please wait until we sort that out. Sorry about that!
If you're really impatient you can try Beta 4 (Edit: removed) but be warned: there's no fingerprint support in Beta 4.
 
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irule311

Senior Member
Dec 30, 2015
82
31
Thanks for posting this. I have been waiting for this for a long time. Just one problem, I go to enter my password but I can't because the keyboard is missing an =.
 
Jun 29, 2014
38
310
Thanks for posting this. I have been waiting for this for a long time. Just one problem, I go to enter my password but I can't because the keyboard is missing an =.
I think this is an issue with Tassadar's MultiROM, not our port specifically - I've opened an issue on his repo. https://github.com/Tasssadar/multirom/issues/80 Do you know if other devices' MultiROM has this key on the keyboard?

Anyways, I'm looking into Android N preview support: If you flash Android N as your primary ROM, be advised that MultiROM is currently incompatible and your secondary ROMs may be corrupted and/or will bootloop. Some slight modifications to MultiROM will be required to boot Android N as either a primary or a secondary ROM; please be patient.
 

DJBhardwaj

Recognized Contributor
Apr 23, 2011
5,050
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27
Delhi
No one to use file above! Wil lock your phone with someones password > corrupt MR and unable to boot back into stock.
Please remove download link!

---------- Post added at 10:19 PM ---------- Previous post was at 10:16 PM ----------

Question: Will the kernel on first page with with newest android build just released??

I assume not. The latest build brought kernel level changes that blocks data decryption. I think it needs update. @npjohnson, please have a look at it?
 
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krazy_smokezalot

Senior Member
Sep 24, 2010
2,569
1,205
Washington DC
You have a phone with encrypted storage, and Stable 2 is still missing libstdc++.so - please wait until we sort that out. Sorry about that!
If you're really impatient you can try Beta 4 (Edit: removed) but be warned: there's no fingerprint support in Beta 4.
I appreciate the reply. I'm still scratching my head lol. So what your saying is that if have an encrypted storage MR won't work?? When did encryption come into play in android have I fell back that far??? Help shed some light please I wanna get my skills rolling
OK all, I am sincerely sorry for how the last several builds have been with Encryption support. It is all sorted out now. Tested and functional.
So does that mean if my storage is encrypted it will work??? Sorry way off topic is there a Q & A for MultiRom I hate to clutter here unless devs Dont mind

Sent from my Nexus 6P using Tapatalk
 

kingoddball

Member
Jun 27, 2010
37
2
Sydney
So... I was dumb enough to test the Android N flashable a page back and it has forced an encryption on my phone and there is no password!
I didn't even flash to primary, it was 4th MR ROM - not sure how it's locked it like it has.

Is anyone able to tell me how to format my device??
Every time I try to format I drops out with an error - I tried fastboot erase and /data won't format.
I used setting/format device and it reboots to TWRP asking for a password.
I have removed all OS info I could, reinstalled CM13.0 and same issue.
I cannot format because some fool has upped a dodgy file. (im an idiot for trusting)
Is anyone able to tell me how to format? Device is working (to a fashion) but I cannot get it to wipe... (TWRP asking for password and so is Android)
 
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gqukyo

Senior Member
Nov 9, 2009
1,701
248
Updated to the newest PN rom as well as R12 FK kernel and now my secondary rom says there's something wrong with my device but doesn't go into detail. Still works fine though. Kinda like how if I had a mismatched vendor with a new rom. Is this something to do w/ the new twrp being released? Is that required to get rid of the message?
 

npjohnson

Senior Member
May 3, 2014
1,555
2,246
St. Augustine, FL
I assume not. The latest build brought kernel level changes that blocks data decryption. I think it needs update. @npjohnson, please have a look at it?
OK, this is why I also linked 3rd party kernels which support Kexec Hardboot, as it is hard to manage MR, MR-TWRP, the Kernel, and other projects.

I will update the kernel to MHCIxx most likely on Saturday. Until then, I strongly recommend Franco.Kernel_r12. It is updated for the MHCIxx build.

Though, I should note that the older kernel /should/ boot fine on the MHCIxx builds, you just won't get the new bug-fixes and improvements the MHCIxx update brings.
So... I was dumb enough to test the Android N flashable a page back and it has forced an encryption on my phone and there is no password!
I didn't even flash to primary, it was 4th MR ROM - not sure how it's locked it like it has.

Is anyone able to tell me how to format my device??
Every time I try to format I drops out with an error - I tried fastboot erase and /data won't format.
I used setting/format device and it reboots to TWRP asking for a password.
I have removed all OS info I could, reinstalled CM13.0 and same issue.
I cannot format because some fool has upped a dodgy file. (im an idiot for trusting)
Is anyone able to tell me how to format? Device is working (to a fashion) but I cannot get it to wipe... (TWRP asking for password and so is Android)
Your data is toast unfortunately. In testing N in MR (with kernel modifications to try to sidestep the new security) I managed to encrypt my device even though the kernel was explicitly built to avoid that.

Be careful with N until we get it figured out.
Updated to the newest PN rom as well as R12 FK kernel and now my secondary rom says there's something wrong with my device but doesn't go into detail. Still works fine though. Kinda like how if I had a mismatched vendor with a new rom. Is this something to do w/ the new twrp being released? Is that required to get rid of the message?

Yes. PN is not on the MHCIxx build yet. It will complain, and have some bugs.

Just going to have to accept it, flash vendor each time you boot the specific ROM, or use ROMs that all use the same vendor version for now. We are working on a virtual vendor partition fix.
 

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  • 89
    TLDR:

    This project is no longer actively maintained, see explanation here.

    1: MAKE A BACKUP. Seriously.
    2: Downloads in second post. Flash recovery, then kernel, then MultiROM.
    3: Any issues: please report at https://github.com/multirom-nexus6p/multirom/issues I won't be reading this thread very often.

    35yghmf.png
    Introduction

    This is a port of Tassadar's MultiROM, a multi-boot mod for Nexus 6P. The main part of MultiROM is a boot manager, which appears every time your device starts and lets you choose ROM to boot. You can see how it looks on the left image below and in gallery. ROMs are installed and managed via modified TWRP recovery. You can use standard ZIP files to install secondary Android ROMs and MultiROM even has its own installer system, which can be used to ship other Linux-based systems.

    This is still very experimental!

    This has been thoroughly tested with the most popular ROM's for the 6P.

    Make backups. Seriously. Please.

    Features:
    * Multiboot any number of Android ROMs
    * Restore nandroid backup as secondary ROM
    * Boot from USB drive attached via USB-C OTG cable

    Warning!

    It _is_ dangerous. This whole thing is basically one giant hack - none of these systems are made with multibooting in mind. It is no longer messing with data partition or boot sector, but it is possible that something goes wrong and you will have to flash factory images again. Make backups. Always.​

    Installation
    We have a custom built MultiROM Manager .apk in the downloads section, feel free to try it! (somewhat untested, please report, even if install doesn't work, ROM name customization, etc. should work fine)
    1. Via MultiROM Manager app
    This is the easiest way to install everything MultiROM needs. Install the app found in the next post, and select MultiROM and recovery on the Install/Update card. If the Status card says Kernel: doesn't have kexec-hardboot patch! in red letters, you have to install also patched kernel - either select one on the Install/Update card or get some 3rd-party kernel here on XDA. You are chosing kernel for your primary ROM, not any of your (future) secondary ROMs, so select the version accordingly.
    Press "Install" on the Install/Update card to start the installation.
    Accept any Super User request prompts.

    2.Manual installation
    Firstly, there are videos on youtube. If you want, just search for "MultiROM installation" on youtube and watch those, big thanks to all who made them. There is also an awesome article on Linux Journal.

    MultiROM has 3 parts you need to install:

    • Modified recovery (TWRP_multirom_angler_YYYYMMDD.img) - download the IMG file from second post and use fastboot to flash it.
    • Patched kernel - You can use either one of the stock ones in second post or third-party kernels which include the patch, you can see list in the second post. Download the ZIP file and flash it in recovery.
    • MultiROM (multirom-YYYYMMDD-vXX-angler.zip) - download the ZIP file from second post and flash it in recovery.


    Your current rom will not be erased by the installation.

    Adding ROMs
    1. Android
    Go to recovery, select MultiROM -> Add ROM. Select the ROM's zip file and confirm.​


    Using USB drive
    During installation, recovery lets you select install location. Plug in the USB drive, wait a while and press "refresh" so that it shows partitions on the USB drive. You just select the location (extX, NTFS and FAT32 partitions are supported) and proceed with the installation.
    If you wanna use other than default FAT32 partition, just format it in PC. If you don't know how/don't know where to find out how, you probably should not try installing MultiROM.
    If you are installing to NTFS or FAT32 partition, recovery asks you to set image size for all the partitions - this cannot be easilly changed afterward, so choose carefully. FAT32 is limited to maximum of 4095MB per image - it is limitation of the filesystem, I can do nothing about that.
    Installation to USB drives takes a bit longer, because the flash drive is (usually) slower and it needs to create the images, so installation of Ubuntu to 4Gb image on my pretty fast USB drive takes about 20 minutes.
    Enumerating USB drive can take a while in MultiROM menu, so when you press the "USB" button in MultiROM, wait a while (max. 30-45s) until it searches the USB drive. It does it by itself, no need to press something, just wait.​

    Updating/changing ROMs

    1. Primary ROM (Internal)

    • Flash ROM's ZIP file as usual, do factory reset if needed (it won't erase secondary ROMs)
    • Go to Advanced -> MultiROM in recovery and do Inject curr. boot sector.
    2. Secondary Android ROMs
    If you want to change the ROM, delete it and add new one. To update ROM, follow these steps:

    • Go to Advanced -> MultiROM -> List ROMs and select the ROM you want to update.
    • Select "Flash ZIP" and flash ROM's ZIP file.

    Note that swapping roms between internal and external is not supported (yet). Also, after flashing a factory image to the primary system and boot partition, make sure to immediately inject MultiROM before first boot, otherwise the secondary ROMs will be deleted.

    Source code
    MultiROM - https://github.com/multirom-nexus6p/multirom/tree/master (branch master)
    Modified TWRP - https://github.com/multirom-nexus6p/Team-Win-Recovery-Project (branch android-6.0) -- Includes the awesome new Material Dark TWRP theme by @daveyannihilation ! Go thank him, or get his Blackout Domination Layers or CMTE (yes, there are free versions on the Play Store, but you can find those yourself, or donate to a hard worker :) ).
    Kernel w/ kexec-hardboot patch - https://github.com/multirom-nexus6p/android_kernel_huawei_angler/tree/mm -- use angler_defconfig
    Device tree: https://github.com/multirom-nexus6p/TWRP-android_device_huawei_angler/tree/android-6.0-mrom

    Thanks

    This port is based on the hard work of Tassadar, 500 Internal Server Error, Geoff Levand, webgeek1234, Mike Kasick, Npjohnson, Hashbang173, and many others. Thank you.

    Issues

    - None that are known. If you find one that this thread does not know about/hasn't answered (solid rule, read the last three pages of the thread befre reporting an issue), report it on the specific repo in question here.

    - IF YOU GET LOCKED OUT OF YOUR DEVICE: Don't worry! Your data is fine. Simply boot to TWRP, choose 'Advanced' ==> 'Terminal Command' ==> type "rm -Rf /data/system/gatekeeper.*.key" (without the quotes). This is a dirty fix, and should only be used to recover data, not as a permanent solution! After you recover your data, wipe /data (you don't have to wipe Internal Storage), and re-setup the device.

    Please report any unlisted issues to the GitHub bug tracker at https://github.com/multirom-nexus6p/multirom/issues . You'll get faster response if you post there instead of in this thread

    Changelog
    Here

    Downloads
    Downloads
    v33 -- Stable 7:

    MR Installer App: Play Store Link


    MR-TWRP: mr-twrp-recovery-20160528-05-STABLE7.img

    MultiROM Installer Flashable ZIP: multirom-20160514-v33-UNOFFICIAL-angler-STABLE7.zip

    Stock HardBoot Enabled Kernel Flashable ZIP (only your Primary ROM needs this): kernel-hardboot-stock-angler-6.0.1-20160514

    MultiROM Uninstaller Flashable ZIP: multirom_uninstaller.zip

    NOTE:
    Third party kernels with kexec-hardboot support (can be flashed to primary ROM):

    ElementalX
    FrancoKernel
    AK
    PureNexus
    (Alert me if I've missed any!)

    Extra Information
    Unlike some of the other 64-bit MultiROM ports, this port does have kexec-hardboot enabled, which is less risky and speeds up boot into secondary ROM. Anyone porting MultiROM to a Snapdragon 810 device may find the source to be useful. The patch was written by @500 Internal Server Error

    Also, due to recent events on other projects of mine, you are welcome to fork our Github repositories, and use them to port MR to new devices, and as a reference, but, I ask that no one build targeting the 6P using our source and post it publicly (of course you can build for personal use, but distribution is forbidden). Of course, I welcome and ask that anyone who wants to pull request changes in to do so!

    The only acceptable releases based on our source for the 6P is recovery/multirom themes, though, I strongly ask you tag me so I can note the themed version in the OP.

    XDA:DevDB Information
    MultiROM for Nexus 6P, Tool/Utility for the Huawei Nexus 6P

    Contributors
    npjohnson, 500 Internal Server Error
    Source Code: https://github.com/multirom-nexus6p/


    Version Information
    Status: No Longer Updated
    Current Stable Version: v33-05282016-STABLE7
    Stable Release Date: 2016-05-28

    Created 2016-02-12
    Last Updated 2017-09-17
    41
    UPDATE: I've got all the necessary repos brought up to building in a 7.1.1 tree! For those that don't know what that means, It means that MR is functioning on 7.1.1!

    Unfortunately, I've run into an issue. TWRP is unable to bind certain mounts (the most important of which being that even though /data decrypts fine, /data/media/0's bind to /sdcard/ fails for reasons I can't comprehend). This messes up everything else. Hours of debugging have yielded no results, so, I have reached out to some other developers I know in an effort to solve the problem.

    If anyone is able to help me solve the TWRP mounts issue, or wants to update multirom_adbd to 7.1.1 (an optional task which I've opted not to spend my time on), they can build In a Lineage/CM 14.1 tree. For those who can help, but don't have the resources to build, my personal builds can be found here: ods.ninja/Server/Android/angler/MR/

    I WARN those who opt to use builds from the above, I have intentionally*disabled multiboot functions in them (in essence making multirom useless so the average user doesn't use them). These are only to be used if you are able to help work out current TWRP issues.

    Thanks to all, and happy new year.
    34
    I will be updating this soon.

    I've got most of MultiROM's issues worked out, and was planning on waiting until I had it all fully building with clang/7.1.1 sources, but, I'll concede that those things aren't /that/ useful to the end user.

    As of this next release, the recovery will be built in a CM 7.1 tree, and everything else in an Omni 6.0 tree.

    If you don't know what any of the above means... you don't need to. Just know that within the next few weeks I'll be posting a new build.
    22
    I think StarShoot97 is testing the official version of TWRP.

    It has recently been released on TWRP's website: https://dl.twrp.me/angler/twrp-3.0.3-0-angler.img.html

    As for Multirom, I don't know, but there are some new commits on npjohnson's fork: https://github.com/npjohnson/Team-Win-Recovery-Project

    Yup. We have 3.0.3-0 working, with a usable theme (like we had previously), and, N-Block encryption (like on the 6P) works, but, we are still working on FBE support for those on the 6P using the option in developer settings, and Pixels... (hint hint).

    The MultiROM repo is also brought up to support N.

    All that is left is updating multirom_adbd to 7.1.1 so we can get ADB working on the MultiROM boot selection screen, updating Kexec-Tools (and remerging DTB support), then just updating the build system (branches, dependencies, etc.).
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