[MOD] MultiROM v33

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Lord. Tech

Senior Member
May 6, 2014
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182
Lahore
Nope. Until twrp 3 was released I also provided MR compatible versions of my theme. But currently MR development seems cluttered, multiple devs with different release schedules are providing MR for different devices. Earlier, only one dev provided MR for all Nexus devices, now 6p and 5x have different devs. The guys that ported MR for HTC devices have made changes to their version that affect the ui.

So currently it's impossible to provide one theme that works with all versions of MR on all devices. Until that changes again (and all devs use the same base) I won't bother with compatible theme versions, too much work trying to cater for device specific needs.

ohh, alright. thanks for the patient explanation :) i guess ill just have to wait then :cowboy:
 
Jun 29, 2014
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jawonder

Senior Member
Nov 29, 2010
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Boynton Beach, FL
I've been having this problem where if i flash a new rom in primary the secondary roms won't boot , i have to flash the secondary roms all over again for them to boot .
If i restore a backup of the primary rom i had before flashing the new one it still won't boot .

I can backup a restore the same rom with no problems but as soon as i flash a new one then i can't boot into secondaries without flashing them from scratch .
 

DJBhardwaj

Recognized Contributor
Apr 23, 2011
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Delhi
I've been having this problem where if i flash a new rom in primary the secondary roms won't boot , i have to flash the secondary roms all over again for them to boot .
If i restore a backup of the primary rom i had before flashing the new one it still won't boot .

I can backup a restore the same rom with no problems but as soon as i flash a new one then i can't boot into secondaries without flashing them from scratch .

Are you multibooting N and MM?

---------- Post added at 10:16 PM ---------- Previous post was at 10:15 PM ----------

I believe the 6P MultiROM recovery syncs changes from Jollaman's 5X MultiROM recovery and vise versa: https://github.com/multirom-nexus6p/Team-Win-Recovery-Project/pulls?q=is:pr+is:closed shows many commits and pull requests from Jollaman. So I would expect 6P MultiROM TWRP themes to work on 5X and vise versa.

Good to see a comment from you :)
 

DJBhardwaj

Recognized Contributor
Apr 23, 2011
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Yep did that and still no go, must be some bug with my phone .

It is weird. Have you tried the basics like re-flashing multirom installer?
I am running MultiROM with N on primary, and PureNexus as secondary, which is also a restored backup. But all of this works fine for me.
 

jawonder

Senior Member
Nov 29, 2010
2,699
363
Boynton Beach, FL
It is weird. Have you tried the basics like re-flashing multirom installer?
I am running MultiROM with N on primary, and PureNexus as secondary, which is also a restored backup. But all of this works fine for me.

Weired indeed, today i was running Purenexus as my primary and i backed that up and flashed a stock rom boot up and flashed Ex Kernel from Ex app, injected boot sector and choose a secondary rom to boot into . It just went to the Google screen then warning screen and back to Recovery . I couldn't boot into any of my 4 secondary roms . I had to reinstall my secondary roms .
The same thing happened when i restore Purenexus after wiping the stock rom i was on, i had to reinstall all my secondaries from scratch .

This has been happening to me for a while now even after uninstalling MultiRom and reinstalling it .
 

DJBhardwaj

Recognized Contributor
Apr 23, 2011
5,050
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Delhi
Weired indeed, today i was running Purenexus as my primary and i backed that up and flashed a stock rom boot up and flashed Ex Kernel from Ex app, injected boot sector and choose a secondary rom to boot into . It just went to the Google screen then warning screen and back to Recovery . I couldn't boot into any of my 4 secondary roms . I had to reinstall my secondary roms .
The same thing happened when i restore Purenexus after wiping the stock rom i was on, i had to reinstall all my secondaries from scratch .

This has been happening to me for a while now even after uninstalling MultiRom and reinstalling it .

Have you tried it with the stock kernel that comes with the custom ROM, instead of EX? Just a wild guess, and may be worth trying. EX is supposed to work, but experimenting won't harm, right?
 
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SlimSnoopOS

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Tylog

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Jan 4, 2013
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Never had the problem and I flash almost daily. All Works fine, primary, secondary, third or whatever.
 

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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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