HELP!!! twrp unable to mount system (structure needs cleaning) - OnePlus 6 Questions & Answers

so like i did with every other phone i flashed a custom rom on my op6. everything was fine i made a backup with twrp on my usb drive, downloaded official gsi RR rom flashed it through twrp. but cause of a lot of bugs, i want my stock oos back, so i booted into twrp, wiped the system partition and tried to resore my backup. after the restore, i got the message "invalid argument" als had unable to mount storage (structure needs cleaning) i have no idea what to do i tried phh again i tried stock oos. also tried repair system to ext4, but nothing seems to work.
can someone please help??

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wiped, bricked tf300 now installing c/roms but still booting to twrp?

hello, last week i bricked my tf300, this is what happened...
i installed the energy rom along with the 4.2.1 bootloader, i was already using twrp 2.4.3.0 and it seemed to work fine for a while but then i had problems with a double screen after trying a different rom (cant remember which) anyway i tried the usual resets and wipes to to fix it but no joy. I then used the wipe data in bootloader thinking a full clean wipe would sort it but it just booted straight into twrp.
in twrp nothing will mount apart from system, ive used fastboot to flash various stock blobs, proper twrp img etc but even tho fastboot said everything flashed ok, i still boot into the old twrp which wont mount anything apart from system.
i then got an old 8 gig sd card and put stock roms and energy rom on root of the sd card , in twrp i mounted system but cant mount cache, data or sd card but strangely, i was able to copy the above roms from the sd card and move them to the mounted system partition which i was then able to install the energy rom with aroma installer , happy days i thought until after installation it rebooted straight to twrp again asking for password?
when i try to install stock roms by the above method it fails because cache isnt mounted. i think the twrp is corrupted, how do i fix this?
could someone with the know how tell me what im doing wrong,? should i full wipe again? should i wipe the twrp and how do i do this?
i am sort of a newb to this and any advice would be great

[Q] TWRP crahes and reboots when wiping

I've read this issue with other devices, however. i've not found a solution for this yet
I'm new to this forums, let me know if i don't do something right.
I've been using Alberto97's AOSP Lollipop 5.1.1, it's my first custom rom install, i got it on
the first try, TWRP 2.8.6.0 running with no problems.. flashed other stuff like moto camera, marshmallow bootanim, and that's all
Last week i've tried to update to the CAF latest version of his build, however, TWRP
reboots when i try to wipe the /data partition, in the custom TRWP 2.8.7.0 thread found
i might need to repair the partition, i tried it with no success, repaired /cache with no problem, but when i try to fsck /data on TWRP it gaves me an error, haven't tried /system yet.
tried using CWM and it got stuck at wiping /data for like an hour (endless loop), i rebooted, the data was wiped, but i couldn't flash the ROM image, rebooted to clean system with no problems, it wipes cache and dalvik with no issues.
What's causing this? i have not faced apps FC or anything, just the TWRP random crashes at wiping, i'm using a Moto G XT1032 16GB TWRP 2.8.6.0 No custom kernel or non official recovery.
justpaste.it/wipedar
Leaving recovery.log on external page for reference.
hope you can help, thanks in advance.
Same problem here
You can use CWM by PhilZ for fixing what I think is a broken symlink to the emulated internal storage card.
I am using philz-6.58.7-falcon that you can find and download here: http://forum.xda-developers.com/showthread.php?t=2639583
Once you have flashed the new recovery you can go to "Advance menu", then to "change sdcard target" and define it to /data/media (you just have to tap on the option to set it).
Go back, select "Wipe option", then "Wipe User media" and the process should be successful.
If you reinstall TWRP and wipe "/data" now the rebooting problem should be gone and everything back to normal.
Hope this helps for you.
By the way this is my very first post here. So I hope I am doing this right.
Greetings.
Thank you for the help, i fixed it by repairing the userdata partition with the latest TWRP

Galaxy S6 G920F unable to mount System in TWRP

I tried to upgrade to from Magisk V6 to V8 it messed up my phone so I restored a backup and all was fine, so I tried installing V8 a different way still failed, so restored backup again but this time I am getting errors that the system cant be mounted. I have tried repairing the system in advanced whipe but that failed so I chose change file system option and changed it to ext4 which it already was then restored backup and it lets me mount the system. But as soon as i restart my phone it just sits on the first Samgung logo screen, and does nothing and when i boot back into TWRP it is back to not mounting system.
What can I do to fix this? I need it done bercause I need my phone for work in the morning.

[Help] Device not booting after reinstalling stock via dload and factory reset

Hi,
I recently tried to install a custom rom (Resurrection Remix) on the latest EMUI version which resulted in my device not booting anymore.
After several tries I gave up and wanted to simply use stock with root.
I installed SuperSU, but that did not show up in the application menu.
After that I recovered system and boot from a recent full backup and installed magisk.
That resulted in the device not booting anymore at all. This condition stays now.
I then reinstalled the stock rom via dload method, with a factory reset after, but it then started to be stuck in the blue screen with the honor logo.
Is there anything I can do? TWRP is gone, I only get the stock EMUI recovery.
This happened to mee too. You should try a wipe data and cache from recovery, then reboot. It worked for me.
P.s i flashed a stock recovery don't know if TWRP will work the same, try.
After the dload update the stock recovery is installed again, I wiped data and cache already, but that didnt make it work too :/
EDIT: Found the error: The /data partition is unusable in it's current state (f2fs). Is F2FS the default filesystem for /data or do I need to change it to ext4 or something?

Galaxy S7 930f can't access twrp

Hello, thanks for your help.
It seems I bricked my galaxy s7 while trying to format the /data partition.
I installed TWRP 3.2 and a custom rom, and everything went smoothly until then.
I tried installing an audio mod which throwed a " can't mount /data" error, searching for solutions I read that formatting the data partition to fat and back to ext4 should solve the problem, I tried formatting it to fat with TWRP, however on the first try I got a message that it suceeded, followed by a message that /data could not be mounted, TWRP seemed to be still working (there was no reboot button or any other buttons, just a "working" bar). After giving the phone 3 hours I decided to restart it, now I can't access TWRP; it stays on it's "splashcreen", and of course the phone won't boot.
I'm having a rough time with this so I will appreciate it a lot if you can help me.
Thank you.
Boot to download mode, flash stock firmware using Odin, then retry the TWRP installation.
For wiping data, you have to make sure you use the wipe option that makes you type out 'yes' to wipe, the other factory wipe methods don't actually properly wipe the partition.
iirc you also then need to flash the dm no verity zip from the TWRP thread.
Bro you didn't have to do anything but just formating the phone in the first place. Aassuming you're on oreo , it happens to a lot of people and myself, after flashing a kernel twrp was unable to munt data, all i had to do is a data format in twrp that fixed the problem .

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