TWRP commandline backup problems - Xiaomi Mi 8 Questions & Answers

Hi.
I'm trying to backup data partition with cmdline due to a broken display (currently, LOS 17.1 is installed). However it doesn't work. It seems to having issues with /data/system_ce/0. Can anyone help? The backup worked with via display in the past. Here is some logfile output:
Code:
[BACKUP STARTED]
* Backup Folder: /data/media/0/TWRP/BACKUPS/84a0237/2021-05-22--19-20-37
Invalid encryption mode 'ice:aes-256-cts'
Backing up Data...
Backups of Data do not include any files in internal storage such as pictures or downloads.
Invalid encryption mode 'ice:aes-256-cts'
Breaking backup file into multiple archives...
I:Creating backup...
I:Creating tar file '/data/media/0/TWRP/BACKUPS/84a0237/2021-05-22--19-20-37/data.ext4.win000'
I:addFile '/data/server_configurable_flags' including root: 1
==> set selinux context: u:object_r:server_configurable_flags_data_file:s0
found policy '/data/server_configurable_flags' - '1DK' - 'c0cd60c87b2b4dfc'
I:addFile '/data/system_ce' including root: 1
==> set selinux context: u:object_r:system_data_file:s0
I:addFile '/data/system_ce/0' including root: 1
==> set selinux context: u:object_r:system_data_file:s0
failed to lookup tar policy for '/data/system_ce/0' - '1435bb0a12e56a60'
I:Error adding file '/data/system_ce/0' to '/data/media/0/TWRP/BACKUPS/84a0237/2021-05-22--19-20-37/data.ext4.win000'
Error creating backup.
I:ERROR tarList for thread ID 0
Error creating backup.
I:InfoManager saving '/data/media/0/TWRP/BACKUPS/84a0237/2021-05-22--19-20-37/data.info'
createTarFork() process ended with ERROR: 255
Backup Failed. Cleaning Backup Folder.
I:Copied file /tmp/recovery.log to /data/media/0/TWRP/BACKUPS/84a0237/2021-05-22--19-20-37/recovery.log
Backup Failed
The device uses FBE, but users are decrypted successfully:
Code:
User 0 Decrypted Successfully
I:All found users are decrypted.
Data successfully decrypted
I can pull data from every folder. Maybe it is an idea to pull the data manually? But which data/folders should be pulled?
Thanks everybody in advance for some responses and help.

Related

[Q] how to install liquidsmooth

I have the sprint n6. I am unlocked and rooted. The phone is decrypted. I have twrp for recovery. Everytime i try to flash this through twrp, it errors out. Do i have to sideload this? Ive tried looking through the board but didnt see anything. Thanks in advance for the help
What's the error for starts
What error? Is the rom downloaded fully and not corrupted?
Sent from my Nexus 6 using Tapatalk
Installing '/sdcard/Download/LS-LP-v4.0-2014-12-21-liquid_shamu.zip'...
Checking for MD5 file...
Skipping MD5 check: no MD5 file found
I:Zip contains SELinux file_contexts file in its root. Extracting to /file_contexts
I:Legacy property environment initialized.
about to run program [/tmp/backuptool.sh] with 2 args
Not backing up files from incompatible version: 12
run_program: child exited with status 127
about to run program [/tmp/otasigcheck.sh] with 1 args
You have an installed system that isn't signed with this build's key, aborting...
run_program: child exited with status 1
script aborted: Can't install this package on top of incompatible data. Please try another package or run a factory reset
Can't install this package on top of incompatible data. Please try another package or run a factory reset
I:Legacy property environment disabled.
E:Error executing updater binary in zip '/sdcard/Download/LS-LP-v4.0-2014-12-21-liquid_shamu.zip'
Error flashing zip '/sdcard/Download/LS-LP-v4.0-2014-12-21-liquid_shamu.zip'
Updating partition details...
Iata backup size is 1164MB, free: 21687MB.
That was the log from twrp
toast333 said:
Installing '/sdcard/Download/LS-LP-v4.0-2014-12-21-liquid_shamu.zip'...
Checking for MD5 file...
Skipping MD5 check: no MD5 file found
I:Zip contains SELinux file_contexts file in its root. Extracting to /file_contexts
I:Legacy property environment initialized.
about to run program [/tmp/backuptool.sh] with 2 args
Not backing up files from incompatible version: 12
run_program: child exited with status 127
about to run program [/tmp/otasigcheck.sh] with 1 args
You have an installed system that isn't signed with this build's key, aborting...
run_program: child exited with status 1
script aborted: Can't install this package on top of incompatible data. Please try another package or run a factory reset
Can't install this package on top of incompatible data. Please try another package or run a factory reset
I:Legacy property environment disabled.
E:Error executing updater binary in zip '/sdcard/Download/LS-LP-v4.0-2014-12-21-liquid_shamu.zip'
Error flashing zip '/sdcard/Download/LS-LP-v4.0-2014-12-21-liquid_shamu.zip'
Updating partition details...
Iata backup size is 1164MB, free: 21687MB.
That was the log from twrp
Click to expand...
Click to collapse
Before installing, did you wipe the system partition?
I thought I had. Lemme try that again.
There's a Q&A for LS right here http://forum.xda-developers.com/showthread.php?t=2977149

No LTE with Sprint

I have an HTC One M8, and I installed Cyanogenmod 12.1 (I followed their guide and did HTCdev Unlock). For a little while, LTE was working fine with my phone, but then about a couple of weeks ago, my LTE connection stopped working, and it hasn't worked since. So ultimately that's the problem I'm looking to solve.
I had backed up my HTC factory ROM and restored that to see if LTE would work there. That's when I found that it wants me to do an update, but the update reboots me into TWRP and doesn't work. My thought is that to solve this, I will need to apply the update somehow, and if that's the case, then I could use some help figuring out how to do that. (I'm trying to run "Update Profile".)
If you have other ideas of what I can do to fix LTE, then I'm open to hearing them as well.
Thanks!
You need to install stock recovery to enable the update to install.
Thanks for the response. I'm trying to work out from your signature links (thanks for those!) how to do that.
I found the link to the Stock Recoveries. In there, I found a bunch of different versions. The version numbers seemed to match my version-main: 2.16.651.4, so I should use Stock_2.16.651.4_recovery.img, correct?
And I'm back on CM now, so should I restore the stock before doing this? It seems so, since I don't know if the other recovery will be able to restore it.
So I will:
1) restore the stock ROM
2) flash the stock recovery
3) boot up and do the system update
4) update Profile and PRF (I'm hoping this fixes the LTE issue)
5) put TWRP back on
6) restore CM
Does this sound right? And to put TWRP back on, do I just do the same fastboot flash recovery command, but with the TWRP file?
Thanks so much for the help!
komi_9 said:
Thanks for the response. I'm trying to work out from your signature links (thanks for those!) how to do that.
I found the link to the Stock Recoveries. In there, I found a bunch of different versions. The version numbers seemed to match my version-main: 2.16.651.4, so I should use Stock_2.16.651.4_recovery.img, correct?
And I'm back on CM now, so should I restore the stock before doing this? It seems so, since I don't know if the other recovery will be able to restore it.
So I will:
1) restore the stock ROM
2) flash the stock recovery
3) boot up and do the system update
4) update Profile and PRF (I'm hoping this fixes the LTE issue)
5) put TWRP back on
6) restore CM
Does this sound right? And to put TWRP back on, do I just do the same fastboot flash recovery command, but with the TWRP file?
Thanks so much for the help!
Click to expand...
Click to collapse
Yup sounds correct except being you are on 2.16 there will be a few updates you will need to do to get current.
I went through the process, and each step went fine (you were right about having to update a few times), but LTE is still not working in CM when I switched back over. It is working on the Stock ROM side of things; that's how I did my OTA update. (At least it says LTE in the status bar, so I assume that's what it's using, as opposed to just defaulting to LTE but switching to 3G when LTE is not present.)
Any other suggestions that I should try? Could this be a Cyanogenmod issue? Should I ask in their forums?
And another question if I need to go through this again in the future. The stock software is now 4.(something). This doesn't match any of the Stock recovery version numbers in that zip file. Do I need to go locate the proper recovery, or can I use the latest (3.30.651.2)? (And what does the HK suffix on some of the recoveries mean?)
Thanks for the help again!
Any other suggestions that I should try? Could this be a Cyanogenmod issue? Should I ask in their forums?
Click to expand...
Click to collapse
I don't use CM so can't answer but yeah your best bet would be to ask in their forum.
And another question if I need to go through this again in the future. The stock software is now 4.(something). This doesn't match any of the Stock recovery version numbers in that zip file. Do I need to go locate the proper recovery, or can I use the latest (3.30.651.2)? (And what does the HK suffix on some of the recoveries mean?)
Click to expand...
Click to collapse
If you took all the update to make you current you should have the latest stock recovery. You can always pull the stock recovery from the latest Full Firmware zip.
HK = Harmon Kardon Edition
Do you use a custom ROM? Or do you have a suggestion of a different one? I'd like to experiment with something else to see if this is specific to CM.
komi_9 said:
Do you use a custom ROM? Or do you have a suggestion of a different one? I'd like to experiment with something else to see if this is specific to CM.
Click to expand...
Click to collapse
I use LeeDroid...never had any issues with it.
http://forum.xda-developers.com/htc-one-m8/development/rom-leedroid-one-m8-l-v1-0-5-t3019102
Sloth said:
I use LeeDroid...never had any issues with it.
http://forum.xda-developers.com/htc-one-m8/development/rom-leedroid-one-m8-l-v1-0-5-t3019102
Click to expand...
Click to collapse
I tried installing that, but I get an installer status 7 error. When I boot the phone up, it just takes me back into recovery. I'm not sure what's going on there.
komi_9 said:
I tried installing that, but I get an installer status 7 error. When I boot the phone up, it just takes me back into recovery. I'm not sure what's going on there.
Click to expand...
Click to collapse
Have you updated your twrp recently?
I have 2.8.7.0 downloaded from here: https://dl.twrp.me/m8/twrp-2.8.7.0-m8.img
I just remembered that I didn't do a full wipe. Could this be the problem? I was scared that it would wipe my personal data. If I've done a backup to an SD card, can I restore that and get back to my original set up with a full wipe?
komi_9 said:
I just remembered that I didn't do a full wipe. Could this be the problem? I was scared that it would wipe my personal data. If I've done a backup to an SD card, can I restore that and get back to my original set up with a full wipe?
Click to expand...
Click to collapse
Yes that might be the problem. A full wipe shouldn't wipe anything important.
If you have a backup and you need to use it you will be back to the ROM you made the backup of.
Sent from a Glade Plugin.
It still didn't work. I tried some of the steps advised here: http://forum.xda-developers.com/showthread.php?t=2728644
I did a factory reset from TWRP, then I specifically wiped the system folder, then I did a full wipe withing the Leedroid installer. Also, I put the Leedroid zip file in internal storage instead of my SD card. But regardless I get the same error. Here's my log file:
Code:
AROMA Installer version 2.70RC2
(c) 2013 by amarullz xda-developers
ROM Name : LeeDrOiD One M8 S7
ROM Version : V7.4.2
ROM Author : LeeDrOiD
Device : HTC One M8
Start at : Wed Oct 28 12:11:04 2015
I:emmc_scan_partitions:[partition_count:47] [allocat_num:128]
bad option "flags=display="Cache""
skipping malformed recovery.fstab line: /cache ext4 /dev/block/platform/msm_sdcc.1/by-name/cache flags=display="Cache"
bad option "flags=display="System""
skipping malformed recovery.fstab line: /system ext4 /dev/block/platform/msm_sdcc.1/by-name/system flags=display="System"
bad option "flags=encryptable=/dev/block/platform/msm_sdcc.1/by-name/extra"
skipping malformed recovery.fstab line: /data ext4 /dev/block/platform/msm_sdcc.1/by-name/userdata flags=encryptable=/dev/block/platform/msm_sdcc.1/by-name/extra
bad option "flags=display="Recovery""
skipping malformed recovery.fstab line: /recovery emmc /dev/block/platform/msm_sdcc.1/by-name/recovery flags=display="Recovery"
bad option "flags=display="Micro"
skipping malformed recovery.fstab line: /external_sd vfat /dev/block/mmcblk1p1 /dev/block/mmcblk1 flags=display="Micro SDcard";storage;wipeingui;removable;andsec
bad option "flags=display="USB-OTG";storage;wipeingui;removable"
skipping malformed recovery.fstab line: /usb_otg vfat /dev/block/sda1 /dev/block/sda flags=display="USB-OTG";storage;wipeingui;removable
bad option "flags=display="SD-Ext";wipeingui;removable"
skipping malformed recovery.fstab line: /sd-ext ext4 /dev/block/mmcblk1p2 flags=display="SD-Ext";wipeingui;removable
recovery filesystem table in updater...
=========================
0 /tmp ramdisk (null) (null) 0
1 /misc emmc /dev/block/platform/msm_sdcc.1/by-name/misc (null) 0
2 /boot emmc /dev/block/platform/msm_sdcc.1/by-name/boot (null) 0
3 /devlog ext4 /dev/block/platform/msm_sdcc.1/by-name/devlog (null) 0
Now Flashing LeeDrOiD to your HTC One M8
Please be patient
1st boot may take a few minutes
about to run program [/sbin/mount] with 2 args
mount: mounting /dev/block/mmcblk0p47 on /data failed: Device or resource busy
run_program: child exited with status 255
about to run program [/sbin/mount] with 2 args
Extract scripts and tools
Wiping Data without /media
about to run program [/tmp/wipe.sh] with 1 args
Writing Data
about to run program [/tmp/fbrem.sh] with 1 args
chattr: stat /data/data/com.facebook.katana/databases/qe_db: No such file or directory
Writing System
about to run program [/sbin/mke2fs] with 6 args
mke2fs 1.42.9 (28-Dec-2013)
Discarding device blocks: 4096/688128528384/688128 done
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
172032 inodes, 688128 blocks
0 blocks (0.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=704643072
21 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912
Allocating group tables: 0/21 done
Writing inode tables: 0/21 done
Creating journal (16384 blocks): done
Writing superblocks and filesystem accounting information: 0/21 done
about to run program [/sbin/mount] with 2 args
Installing Hacked Linker
Carrier Selection
Sprint
Customising HTC Apps
Installing HTC Car & HTC Speak
Customising Widgets
Customising Google and Other Apps
Installing Google CloudPrint
Installing Google Drive
Installing Google Search
Installing Adaway
Installing Es File Explorer
Installing Facebook
Removing Kid Mode
Extras
Disabling Exchange Mail Security
about to run program [/tmp/tweaks.sh] with 4 args
ERROR: DataBase /data/data/com.android.providers.settings/databases/settings.db not found!
Applying Big Caller Photo
about to run program [/tmp/res_patch.sh] with 2 args
Processing /system/priv-app/Telephony/Telephony.apk
updating: resources.arsc (deflated 74%)
Zipaligning /system/priv-app/Telephony/Telephony.apk
Shrinking Nav Bar To 42 DPI
about to run program [/tmp/res_patch.sh] with 2 args
Processing /system/framework/framework-res.apk
updating: resources.arsc (deflated 77%)
Zipaligning /system/framework/framework-res.apk
about to run program [/tmp/res_patch.sh] with 2 args
Processing /system/priv-app/HtcContactsDialer/HtcContactsDialer.apk
updating: resources.arsc (deflated 79%)
Zipaligning /system/priv-app/HtcContactsDialer/HtcContactsDialer.apk
Creating toolbox symlinks
Installing busybox
set_perm: chown of /system/xbin/busybox to 0 1000 failed: No such file or directory
set_perm: chmod of /system/xbin/busybox to 755 failed: No such file or directory
script aborted: set_perm: some changes failed
set_perm: some changes failed
Installer Error (Status 7)
End at : Wed Oct 28 12:12:56 2015
komi_9 said:
It still didn't work. I tried some of the steps advised here: http://forum.xda-developers.com/showthread.php?t=2728644
I did a factory reset from TWRP, then I specifically wiped the system folder, then I did a full wipe withing the Leedroid installer. Also, I put the Leedroid zip file in internal storage instead of my SD card. But regardless I get the same error. Here's my log file:
Code:
AROMA Installer version 2.70RC2
(c) 2013 by amarullz xda-developers
ROM Name : LeeDrOiD One M8 S7
ROM Version : V7.4.2
ROM Author : LeeDrOiD
Device : HTC One M8
Start at : Wed Oct 28 12:11:04 2015
I:emmc_scan_partitions:[partition_count:47] [allocat_num:128]
bad option "flags=display="Cache""
skipping malformed recovery.fstab line: /cache ext4 /dev/block/platform/msm_sdcc.1/by-name/cache flags=display="Cache"
bad option "flags=display="System""
skipping malformed recovery.fstab line: /system ext4 /dev/block/platform/msm_sdcc.1/by-name/system flags=display="System"
bad option "flags=encryptable=/dev/block/platform/msm_sdcc.1/by-name/extra"
skipping malformed recovery.fstab line: /data ext4 /dev/block/platform/msm_sdcc.1/by-name/userdata flags=encryptable=/dev/block/platform/msm_sdcc.1/by-name/extra
bad option "flags=display="Recovery""
skipping malformed recovery.fstab line: /recovery emmc /dev/block/platform/msm_sdcc.1/by-name/recovery flags=display="Recovery"
bad option "flags=display="Micro"
skipping malformed recovery.fstab line: /external_sd vfat /dev/block/mmcblk1p1 /dev/block/mmcblk1 flags=display="Micro SDcard";storage;wipeingui;removable;andsec
bad option "flags=display="USB-OTG";storage;wipeingui;removable"
skipping malformed recovery.fstab line: /usb_otg vfat /dev/block/sda1 /dev/block/sda flags=display="USB-OTG";storage;wipeingui;removable
bad option "flags=display="SD-Ext";wipeingui;removable"
skipping malformed recovery.fstab line: /sd-ext ext4 /dev/block/mmcblk1p2 flags=display="SD-Ext";wipeingui;removable
recovery filesystem table in updater...
=========================
0 /tmp ramdisk (null) (null) 0
1 /misc emmc /dev/block/platform/msm_sdcc.1/by-name/misc (null) 0
2 /boot emmc /dev/block/platform/msm_sdcc.1/by-name/boot (null) 0
3 /devlog ext4 /dev/block/platform/msm_sdcc.1/by-name/devlog (null) 0
Now Flashing LeeDrOiD to your HTC One M8
Please be patient
1st boot may take a few minutes
about to run program [/sbin/mount] with 2 args
mount: mounting /dev/block/mmcblk0p47 on /data failed: Device or resource busy
run_program: child exited with status 255
about to run program [/sbin/mount] with 2 args
Extract scripts and tools
Wiping Data without /media
about to run program [/tmp/wipe.sh] with 1 args
Writing Data
about to run program [/tmp/fbrem.sh] with 1 args
chattr: stat /data/data/com.facebook.katana/databases/qe_db: No such file or directory
Writing System
about to run program [/sbin/mke2fs] with 6 args
mke2fs 1.42.9 (28-Dec-2013)
Discarding device blocks: 4096/688128528384/688128 done
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
172032 inodes, 688128 blocks
0 blocks (0.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=704643072
21 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912
Allocating group tables: 0/21 done
Writing inode tables: 0/21 done
Creating journal (16384 blocks): done
Writing superblocks and filesystem accounting information: 0/21 done
about to run program [/sbin/mount] with 2 args
Installing Hacked Linker
Carrier Selection
Sprint
Customising HTC Apps
Installing HTC Car & HTC Speak
Customising Widgets
Customising Google and Other Apps
Installing Google CloudPrint
Installing Google Drive
Installing Google Search
Installing Adaway
Installing Es File Explorer
Installing Facebook
Removing Kid Mode
Extras
Disabling Exchange Mail Security
about to run program [/tmp/tweaks.sh] with 4 args
ERROR: DataBase /data/data/com.android.providers.settings/databases/settings.db not found!
Applying Big Caller Photo
about to run program [/tmp/res_patch.sh] with 2 args
Processing /system/priv-app/Telephony/Telephony.apk
updating: resources.arsc (deflated 74%)
Zipaligning /system/priv-app/Telephony/Telephony.apk
Shrinking Nav Bar To 42 DPI
about to run program [/tmp/res_patch.sh] with 2 args
Processing /system/framework/framework-res.apk
updating: resources.arsc (deflated 77%)
Zipaligning /system/framework/framework-res.apk
about to run program [/tmp/res_patch.sh] with 2 args
Processing /system/priv-app/HtcContactsDialer/HtcContactsDialer.apk
updating: resources.arsc (deflated 79%)
Zipaligning /system/priv-app/HtcContactsDialer/HtcContactsDialer.apk
Creating toolbox symlinks
Installing busybox
set_perm: chown of /system/xbin/busybox to 0 1000 failed: No such file or directory
set_perm: chmod of /system/xbin/busybox to 755 failed: No such file or directory
script aborted: set_perm: some changes failed
set_perm: some changes failed
Installer Error (Status 7)
End at : Wed Oct 28 12:12:56 2015
Click to expand...
Click to collapse
V7.4.2 is not the latest version...try the latest and see if it makes a difference. Usually status 7 error means the updater script is out of date (if I remember correctly).
When I do a full wipe I choose Advance Wipe then check the boxes next to cache/dal cache/data/system. From my experience wiping in twrp and then wiping again in Aroma usually causes problems. I prefer the twrp method myself.
I also put anything I'm going to flash on the EXT sdcard.
The 7.4.3 version is only available as a patch to 7.4.2 as far as I can tell. The full download is only available in 7.4.2. Or at least that's all I see.
Anyway, the point is moot now since I seem to have gotten LTE working. I went into APN settings and the option CDMA 0 was selected. Any of the other options pop me over to the Sprint LTE Internet option, but that one will just sit there and not work. I'm not quite sure how I got stuck on that APN. But oh well, since it's working now.
I really appreciate all the help! One day I might embark on trying out different ROMs again, but for now I'm happy that CM is working out OK.
Cool glad you got it sorted.

Error while backuping system in TWRP.

OnePlus 3T, AOSPA 7.3.0, TWRP 3.1.1-2, Magisk v14.0
I am trying to do full backup. All is fine, but when TWRP tries to backup system, an error occurs.
Code:
createTarFork() process ended with ERROR: 255
What is in the log:
Code:
[BACKUP STARTED]
* Backup Folder: /data/media/0/TWRP/BACKUPS/81726bb6/2017-10-19--08-14-58_NZH54D
Invalid encryption mode file /data/unencrypted/mode
Backing up System...
Invalid encryption mode file /data/unencrypted/mode
Error opening: '/system/addon.d' (Not a directory)
I:Error in Generate_TarList!
Error creating backup.
I:InfoManager saving '/data/media/0/TWRP/BACKUPS/81726bb6/2017-10-19--08-14-58_NZH54D/system.info'
createTarFork() process ended with ERROR: 255
Backup Failed. Cleaning Backup Folder.
I:Copying file /tmp/recovery.log to /data/media/0/TWRP/BACKUPS/81726bb6/2017-10-19--08-14-58_NZH54D/recovery.log
How can I solve this problem?

Twrp backup fails while trying to add file mozc.imy

I installed twrp 3.2.1.0 shamu version, and tried to create a backup. A backup without any data works fine, but if I do include data then I get the error createTarFork() process ended with ERROR=255.
I then did an adb pull of the recovery.log and then it shows that there was an error when writing the tar file, and there was an error adding a specific file.
Here is part of the log where it fails
I:addFile '/data/user_de/0/com.google.android.inputmethod.japanese/files/mozc.imy' including root: 1
==> set selinux context: ubject_r:app_data_file:s0:c512,c768
E:Error writing tar file!
I:Error adding file '/data/user_de/0/com.google.android.inputmethod.japanese/files/mozc.imy' to '/data/media/0/TWRP/BACKUPS/ZX1G22WVXP/2018-01-31--18-49-08_N6F27M/data.ext4.win005'
Error creating backup.
I:ERROR tarList for thread ID 0
Error creating backup.
I:InfoManager saving '/data/media/0/TWRP/BACKUPS/ZX1G22WVXP/2018-01-31--18-49-08_N6F27M/data.info'
createTarFork() process ended with ERROR: 255
Backup Failed. Cleaning Backup Folder.
I:Copying file /tmp/recovery.log to /data/media/0/TWRP/BACKUPS/ZX1G22WVXP/2018-01-31--18-49-08_N6F27M/recovery.log
I:Set page: 'action_complete'
Iperation_end - status=1
Truncating string cache entries.
I:TWFunc::Set_Brightness: Setting brightness control to 5
I:TWFunc::Set_Brightness: Setting brightness control to 0
That file is damaged. Delete it and the rest of the backup should work. There is a thread where this has been discussed: e: createTarFork() process ended with ERROR=255.
"Good judgment comes from experience, and a lot of that comes from bad judgment." - Will Rogers

TWRP backup failed Error 255: Error adding file '/data/system_ce/0'

I found some threads with this problem but all this threads have been with "more users" like 999, so I checked this but I have only this one user 0
latest TWRP + latest Existenz Pie + latest Magix, if this information is important?
I donĀ“t know if you need the full log or even more of the part with the error, but this the only part where I can see an error?
Code:
==> set selinux context: u:object_r:system_data_file:s0
failed to lookup tar policy for '/data/system_ce/0' - 'c078db7cd57ae4ef'
I:Error adding file '/data/system_ce/0' to '/external_sd/TWRP/BACKUPS/BH901GHLCU/2019-10-14--05-40-56_520A8131/data.ext4.win000'
Error creating backup.
I:ERROR tarList for thread ID 0
Error creating backup.
I:InfoManager saving '/external_sd/TWRP/BACKUPS/BH901GHLCU/2019-10-14--05-40-56_520A8131/data.info'
createTarFork() process ended with ERROR: 255
Backup Failed. Cleaning Backup Folder.
btw. a question to twrp backup: if I want to do a backup because I want to tryout another rom and switching back, is it better/faster to do a system.img?

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