[Android General] MoHaG:
Thanks, this one boots, but has the same black screen (apparently no backlight) issue as SriLanka's.

(It similarly does seem to boot and show up under "adb devices")

The recovery.log

Starting TWRP 3.5.2_10-0-bb4ee714 on Mon Nov 29 11:33:29 2021
(pid 261)
I:Lun file '/sys/class/android_usb/android0/f_mass_storage/lun0/file' does not exist, USB storage mode disabled
TW_HAS_DOWNLOAD_MODE := true
I:Found brightness file at '/sys/devices/platform/panel_drv@0/backlight/panel/brightness'
I:Got max brightness 306 from '/sys/devices/platform/panel_drv@0/backlight/panel/max_brightness'
I:TWFunc::Set_Brightness: Setting brightness control to 306
I:LANG: en
Starting the UI...
Skipping adf graphics -- not present in build tree
cannot find/open a drm device: No such file or directory
fb0 reports (possibly inaccurate):
vi.bits_per_pixel = 32
vi.red.offset = 16 .length = 8
vi.green.offset = 8 .length = 8
vi.blue.offset = 0 .length = 8
setting GGL_PIXEL_FORMAT_BGRA_8888
double buffered
framebuffer: 3 (720 x 1600)
Using fbdev graphics.
I:TWFunc::Set_Brightness: Setting brightness control to 306
TW_SCREEN_BLANK_ON_BOOT := true
I:TWFunc::Set_Brightness: Setting brightness control to 0
I:TWFunc::Set_Brightness: Setting brightness control to 306
I:Loading package: splash (/twres/splash.xml)
I:Load XML directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/splash.xml' directly
I:Checking resolution...
I:Scaling theme width 0.666667x and height 0.833333x, offsets x: 0 y: 0 w: 0 h: 0
I:Loading resources...
I:Loading variables...
I:Loading mouse cursor...
I:Loading pages...
I:Loading page splash
I:Switching packages (splash)
I:Loading package: TWRP (/TWRP/theme/ui.zip)
I:Loading zip theme
I:Loading package: TWRP (/twres/ui.xml)
I:Load XML directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/ru.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/fr.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/zh_TW.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/el.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/pt_PT.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/id.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/pt_BR.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/de.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/es.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/tr.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/ja.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/cz.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/sl.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/pl.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/sv.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/it.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/nl.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/en.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/hu.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/sk.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/uk.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/zh_CN.xml' directly
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/en.xml' directly
parsing languageFile
parsing languageFile done
I:PageManager::LoadFileToBuffer loading filename: '/twres/ui.xml' directly
I:Checking resolution...
I:Scaling theme width 0.666667x and height 0.833333x, offsets x: 0 y: 0 w: 0 h: 0
I:Loading resources...
I:Failed to load image from indeterminate013, error -1
I:Loading variables...
I:Loading mouse cursor...
I:Loading pages...
I:Including file: /twres/portrait.xml...
I:PageManager::LoadFileToBuffer loading filename: '/twres/portrait.xml' directly
I:Loading resources...
I:Loading variables...
I:Loading mouse cursor...
I:Loading pages...
I:Loading page main
I:Loading page main2
I:Loading page install
I:Loading page flash_confirm
I:Loading page flash_zip
I:Loading page flash_done
I:Loading page flash_sleep_and_reboot
I:Loading page flashimage_confirm
I:Loading page clear_vars
I:Loading page reboot_system_routine
I:Loading page confirm_action
I:Loading page action_page
I:Loading page singleaction_page
I:Loading page action_complete
I:Loading page filecheck
I:Loading page rebootcheck
I:Loading page wipe
I:Loading page advancedwipe
I:Loading page formatdata
I:Loading page formatdata_confirm
I:Loading page checkpartitionlist
I:Loading page partitionoptions
I:Loading page refreshfilesystem
I:Loading page selectfilesystem
I:Loading page backup
I:Loading page multiuser_warning
I:Loading page backup_options
I:Loading page backupname1
I:Loading page backupname2
I:Loading page backupencryption
I:Loading page backupencryption2
I:Loading page checkbackuppassword
I:Loading page backup_run
I:Loading page restore
I:Unable to open '//TWRP/BACKUPS/RZ8RB05XQYA'
I:Loading page restore_read
I:Loading page restore_decrypt
I:Loading page try_restore_decrypt
I:Loading page restore_select
I:Loading page renamebackup
I:Loading page restore_run
I:Loading page mount
I:Loading page usb_mount
I:Loading page usb_umount
I:Loading page system_readonly_check
I:Loading page fastbootreboot
I:Loading page reboot
I:Loading page reboot2
I:Loading page installapp
I:Loading page system_readonly
I:Loading page settings
I:Loading page settings_timezone
I:Loading page settings_screen
I:Loading page settings_vibration
I:Loading page settings_language
I:Loading page copylog
I:Loading page advanced
I:Loading page partsdcardsel
I:Loading page partsdcardcheck
I:Loading page partsdcard
I:Loading page htcdumlock
I:Loading page repackselect
I:Loading page repackconfirm
I:Loading page lock
I:Loading page filemanagerlist
I:Loading page filemanageroptions
I:Loading page choosedestinationfolder
I:Loading page filemanagerrenamefile
I:Loading page filemanagerrenamefolder
I:Loading page filemanagerchmod
I:Loading page filemanagerconfirm
I:Loading page filemanageraction
I:Loading page decrypt
I:Loading page decrypt_pattern
I:Loading page trydecrypt
I:Loading page canceldecrypt
I:Loading page terminalcommand
I:Loading page fastboot
I:Loading page sideload
I:Loading page fixcontexts
I:Loading page slideout
I:Loading page select_storage
I:Loading page select_language
I:Loading page decrypt_users
I:Loading page changeTwrpFolder
I:Set page: 'clear_vars'
I:Set page: 'main2'
I:Switching packages (TWRP)
I:Startup Commands:
I:failed to read default fstab
ro.boottime.adbd=4494768996
ro.boottime.auto=4493330496
ro.boottime.init=2106
ro.boottime.init.selinux=55
ro.boottime.init.cold_boot_wait=213
ro.boottime.ueventd=4244994920
ro.boottime.recovery=4490218766
ro.config.ringtone=omni_ringtone1.ogg,omni_ringtone1.ogg
ro.config.alarm_alert=omni_alarm1.ogg
ro.config.notification_sound=omni_notification1.ogg
ro.dalvik.vm.native.bridge=0
dalvik.vm.isa.arm.variant=generic
dalvik.vm.isa.arm.features=default
dalvik.vm.isa.arm64.variant=generic
dalvik.vm.isa.arm64.features=default
dalvik.vm.dexopt.secondary=true
dalvik.vm.usejit=true
dalvik.vm.lockprof.threshold=500
dalvik.vm.dex2oat-Xms=64m
dalvik.vm.dex2oat-Xmx=512m
dalvik.vm.minidebuginfo=true
dalvik.vm.appimageformat=lz4
dalvik.vm.usejitprofiles=true
dalvik.vm.image-dex2oat-Xms=64m
dalvik.vm.image-dex2oat-Xmx=64m
dalvik.vm.image-dex2oat-filter=verify-at-runtime
dalvik.vm.dex2oat-minidebuginfo=true
dalvik.vm.dex2oat-max-image-block-size=524288
dalvik.vm.dex2oat-resolve-startup-strings=true
debug.atrace.tags.enableflags=0
ro.com.google.clientidbase=android-google
ro.com.android.dataroaming=true
ro.com.android.wifi-watchlist=GoogleGuest
ro.opa.eligible_device=true
ro.url.legal=http://www.google.com/intl/%s/mobile/android/basic/phone-legal.html
ro.hwui.use_vulkan=
ro.omni.device=a12s
ro.omni.version=10-20211027-a12s-HOMEMADE
ro.omni.version.security_patch=
ro.twrp.boot=1
ro.twrp.version=3.5.2_10-0
ro.vndk.lite=true
ro.vndk.version=29
ro.wifi.channels=
ro.allow.mock.location=1
ro.board.platform=universal3830
ro.build.id=QQ3A.200805.001
ro.build.date=Wed Oct 27 07:59:24 UTC 2021
ro.build.date.utc=1635321564
ro.build.host=ws-aedabbcf-bfba-4fc3-8e8b-539fa5d318ef
ro.build.tags=test-keys
ro.build.type=eng
ro.build.user=gitpod
ro.build.flavor=omni_a12s-eng
ro.build.display.id=omni_a12s-eng 16.1.0 QQ3A.200805.001 eng.gitpod.20211027.075821 test-keys
ro.build.product=a12s
ro.build.selinux=1
ro.build.version.sdk=29
ro.build.version.base_os=
ro.build.version.release=16.1.0
ro.build.version.codename=REL
ro.build.version.incremental=eng.gitpod.20211027.075821
ro.build.version.preview_sdk=0
ro.build.version.all_codenames=REL
ro.build.version.security_patch=2099-12-31
ro.build.version.preview_sdk_fingerprint=REL
ro.build.version.min_supported_target_sdk=23
ro.build.description=omni_a12s-eng 16.1.0 QQ3A.200805.001 eng.gitpod.20211027.075821 test-keys
ro.build.characteristics=default
ro.bionic.ld.warning=1
ro.bionic.arch=arm64
ro.bionic.2nd_arch=arm
ro.bionic.cpu_variant=generic
ro.bionic.2nd_cpu_variant=generic
ro.iorapd.enable=false
ro.kernel.android.checkjni=1
ro.secure=0
ro.system.build.id=QQ3A.200805.001
ro.system.build.date=Wed Oct 27 07:59:24 UTC 2021
ro.system.build.date.utc=1635321564
ro.system.build.tags=test-keys
ro.system.build.type=eng
ro.system.build.version.sdk=29
ro.system.build.version.release=16.1.0
ro.system.build.version.incremental=eng.gitpod.20211027.075821
ro.system.build.fingerprint=samsung/omni_a12s/a12s:16.1.0/QQ3A.200805.001/gitpod10270759:eng/test-keys
ro.treble.enabled=false
ro.zygote=zygote32
ro.carrier=unknown
ro.product.cpu.abi=arm64-v8a
ro.product.cpu.abilist=arm64-v8a,armeabi-v7a,armeabi
ro.product.cpu.abilist32=armeabi-v7a,armeabi
ro.product.cpu.abilist64=arm64-v8a
ro.product.odm.name=omni_a12s
ro.product.odm.brand=samsung
ro.product.odm.model=SM-A127F
ro.product.odm.device=a12s
ro.product.odm.manufacturer=samsung
ro.product.name=omni_a12s
ro.product.board=SRPUE06B002
ro.product.brand=samsung
ro.product.model=SM-A127F
ro.product.device=a12s
ro.product.locale=en-US
ro.product.system.name=omni_a12s
ro.product.system.brand=samsung
ro.product.system.model=SM-A127F
ro.product.system.device=a12s
ro.product.system.manufacturer=samsung
ro.product.vendor.name=omni_a12s
ro.product.vendor.brand=samsung
ro.product.vendor.model=SM-A127F
ro.product.vendor.device=a12s
ro.product.vendor.manufacturer=samsung
ro.product.manufacturer=samsung
ro.baseband=unknown
ro.bootmode=unknown
ro.hardware=exynos850
ro.revision=1
ro.services.whitelist.packagelist=com.google.android.gms
ro.bootimage.build.date=Wed Oct 27 07:59:24 UTC 2021
ro.bootimage.build.date.utc=1635321564
ro.bootimage.build.fingerprint=samsung/omni_a12s/a12s:16.1.0/QQ3A.200805.001/gitpod10270759:eng/test-keys
ro.bootloader=A127FXXU3AUJ5
ro.debuggable=1
ro.modversion=OmniROM-10-20211027-a12s-HOMEMADE
ro.postinstall.fstab.prefix=/system
ro.setupwizard.enterprise_mode=1
ro.property_service.version=2
ro.control_privapp_permissions=enforce
ro.actionable_compatible_property.enabled=false
init.svc.adbd=restarting
init.svc.auto=stopped
init.svc.ueventd=running
init.svc.recovery=running
twrp.crash_counter=0
twrp.action_complete=0
keyguard.no_require_sim=true
tombstoned.max_tombstone_count=50
ro.boot.em.did=200817b646ab5011
ro.boot.em.model=SM-A127F
ro.boot.em.status=0x0
ro.boot.em.rdx_dump=false
ro.boot.im.param.offset=7342864
ro.boot.kg=0x4
ro.boot.me.param.offset=7342944
ro.boot.pr.param.offset=7343104
ro.boot.rp=3
ro.boot.sb.debug0=0x0
ro.boot.sn.param.offset=7343024
ro.boot.wb.hs=0e02
ro.boot.wb.snapQB=44784085R
ro.boot.asb=0
ro.boot.sku.param.offset=7343184
ro.boot.svb.ver=SVB1.0
ro.boot.sales.param.offset=7340568
ro.boot.sysup.edtbo=0@7381760
ro.boot.sysup.param=7361280
ro.boot.ulcnt=1
ro.boot.subpcb=2
ro.boot.phandle=
ro.boot.product.hardware.sku=disabled
ro.boot.sec_atd.tty=/dev/ttySAC0
ro.boot.selinux=enforcing
ro.boot.dtbo_idx=1
ro.boot.hardware=exynos850
ro.boot.hardware.sku=disabled
ro.boot.revision=1
ro.boot.ucs_mode=0
ro.boot.ap_serial=0x0817B646AB50
ro.boot.carrierid=XFA
ro.boot.carrierid.param.offset=7340596
ro.boot.dram_info=01,08,00,4G
ro.boot.fastbootd=false
ro.boot.prototype.param.offset=7351040
ro.boot.bootloader=A127FXXU3AUJ5
ro.boot.debug_level=0x4f4c
ro.boot.boot_devices=12100000.dwmmc0
ro.boot.force_upload=0x0
ro.boot.warranty_bit=1
ro.boot.emmc_checksum=3
ro.boot.hmac_mismatch=0
ro.boot.cp_reserved_mem=off
ro.boot.recovery_offset=7355136
ro.boot.verifiedbootstate=orange
sys.usb.ffs.aio_compat=1
ro.build.fingerprint=samsung/omni_a12s/a12s:16.1.0/QQ3A.200805.001/eng.gitpod.20211027.075821:eng/test-keys
ro.gsid.image_running=0
log.tag.stats_log=I
ro.logd.size.stats=64K
persist.debug.dalvik.vm.core_platform_api_policy=just-warn
ro.persistent_properties.ready=true
pm.dexopt.boot=extract
pm.dexopt.ab-ota=speed-profile
pm.dexopt.shared=speed
pm.dexopt.install=speed-profile
pm.dexopt.inactive=verify
pm.dexopt.bg-dexopt=speed-profile
pm.dexopt.first-boot=extract
ro.boot.serialno=RZ8RB05XQYA
ro.serialno=RZ8RB05XQYA
service.adb.root=1
net.bt.name=Android
net.tethering.noprovisioning=true
sys.usb.controller=13600000.dwc3
persist.sys.usb.config=adb
persist.sys.dalvik.vm.lib.2=libart.so
persist.sys.disable_rescue=true
sys.usb.config=adb
sys.usb.configfs=1
ro.odm.build.id=QQ3A.200805.001
ro.odm.build.date=Wed Oct 27 07:59:24 UTC 2021
ro.odm.build.date.utc=1635321564
ro.odm.build.tags=test-keys
ro.odm.build.type=eng
ro.odm.build.version.sdk=29
ro.odm.build.version.release=16.1.0
ro.odm.build.version.incremental=eng.gitpod.20211027.075821
ro.odm.build.fingerprint=samsung/omni_a12s/a12s:16.1.0/QQ3A.200805.001/gitpod10270759:eng/test-keys
ro.odm.product.cpu.abilist=arm64-v8a,armeabi-v7a,armeabi
ro.odm.product.cpu.abilist32=armeabi-v7a,armeabi
ro.odm.product.cpu.abilist64=arm64-v8a
ro.vendor.build.id=QQ3A.200805.001
ro.vendor.build.date=Wed Oct 27 07:59:24 UTC 2021
ro.vendor.build.date.utc=1635321564
ro.vendor.build.tags=test-keys
ro.vendor.build.type=eng
ro.vendor.build.version.sdk=29
ro.vendor.build.version.release=16.1.0
ro.vendor.build.version.incremental=eng.gitpod.20211027.075821
ro.vendor.build.fingerprint=samsung/omni_a12s/a12s:16.1.0/QQ3A.200805.001/gitpod10270759:eng/test-keys
ro.vendor.build.security_patch=2099-12-31
ro.vendor.product.cpu.abilist=arm64-v8a,armeabi-v7a,armeabi
ro.vendor.product.cpu.abilist32=armeabi-v7a,armeabi
ro.vendor.product.cpu.abilist64=arm64-v8a

=> Linking mtab
=> Processing /etc/recovery.fstab
I:Reading /etc/recovery.fstab
I:Processing '/system'
I:Created '/system_root' folder.
I:Unhandled flag: 'avb=vbmeta'
I:Unhandled flag: 'logical'
I:Unhandled flag: 'first_stage_mount'
I:Unhandled flag: 'avb_keys=/avb/q-gsi.avbpubkey:/avb/r-gsi.avbpubkey:/avb/s-gsi.avbpubkey'
I:Processing '/vendor'
I:Unhandled flag: 'avb'
I:Unhandled flag: 'logical'
I:Unhandled flag: 'first_stage_mount'
I:Processing '/product'
I:Created '/product' folder.
I:Unhandled flag: 'avb'
I:Unhandled flag: 'logical'
I:Unhandled flag: 'first_stage_mount'
I:Processing '/odm'
I:Unhandled flag: 'avb'
I:Unhandled flag: 'logical'
I:Unhandled flag: 'first_stage_mount'
I:Processing '/prism'
I:Created '/prism' folder.
I:Unhandled flag: 'nofail'
I:Unhandled flag: 'avb'
I:Unhandled flag: 'first_stage_mount'
I:Processing '/metadata'
I:Created '/metadata' folder.
I:Unhandled flag: 'first_stage_mount'
I:Processing '/cache'
I:Processing '/efs'
I:Created '/efs' folder.
I:Processing '/cpefs'
I:Created '/cpefs' folder.
I:Unhandled flag: 'nofail'
I:Processing '/misc'
I:Processing '/data'
I:Processing '/boot'
I:Processing '/recovery'
I:Processing '/dtbo'
I:Processing '/optics_image'
I:Processing '/prism_image'
I:Processing '/sdcard1'
I:Created '/sdcard1' folder.
I:Processing '/usb_otg'
I:Created '/usb_otg' folder.
I:Done processing fstab files
I:Trying to prepare system from super partition
I:Symlinking /dev/block/dm-0 => /dev/block/bootdevice/by-name/system
I:Trying to prepare vendor from super partition
I:Symlinking /dev/block/dm-1 => /dev/block/bootdevice/by-name/vendor
I:Trying to prepare product from super partition
I:Symlinking /dev/block/dm-2 => /dev/block/bootdevice/by-name/product
I:Trying to prepare odm from super partition
I:Symlinking /dev/block/dm-3 => /dev/block/bootdevice/by-name/odm
E:failed to mount /tmp/com.google.android.ipsec.apex to loop device /dev/block/loop16
E:unable to open loop device: /dev/block/loop17
E:unable to open loop device: /dev/block/loop18
E:unable to open loop device: /dev/block/loop19
E:unable to open loop device: /dev/block/loop20
I:Using automatic handling for /data/media emulated storage device.
I:Setting up '/data' as data/media emulated storage.
I:Can't probe device /dev/block/mmcblk0p38
I:Unable to mount '/data'
I:Actual block device: '/dev/block/mmcblk0p38', current file system: 'f2fs'
I:Backup folder set to '/data/media/TWRP/BACKUPS/RZ8RB05XQYA'
I:Settings storage is '/data/media'
/super | /dev/block/by-name/super | Size: 0MB
Flags: Can_Be_Backed_Up IsPresent Can_Flash_Img
Alternate_Block_Device: /dev/block/by-name/super
Display_Name: super
Backup_Path: /super
Backup_Name: super
Backup_Display_Name: Super
Current_File_System: emmc
Backup_Method: dd

I:Unmounting main partitions...
Updating partition details...
I:checking for twrp app
I:Can't probe device /dev/block/mmcblk0p38
Failed to mount '/data' (Invalid argument)
I:Actual block device: '/dev/block/mmcblk0p38', current file system: 'f2fs'
...done
I:Can't probe device /dev/block/mmcblk0p38
I:Unable to mount '/data'
I:Actual block device: '/dev/block/mmcblk0p38', current file system: 'f2fs'
Unable to mount storage
SELinux contexts loaded from /file_contexts
Full SELinux support is present.
tw_get_context failed to get selinux context
I:Failed to get default contexts and file mode for storage files.

Partition Logs:
/system_root | /dev/block/dm-0 | Size: 3632MB Used: 3613MB Free: 19MB Backup Size: 3613MB
Flags: Can_Be_Mounted IsPresent Mount_Read_Only
Primary_Block_Device: /dev/block/dm-0
Display_Name: System
Storage_Name: System
Backup_Path: /system_root
Backup_Name: system
Backup_Display_Name: System
Storage_Path: /system_root
Current_File_System: ext4
Fstab_File_System: ext4
Backup_Method: files
Mount_Flags: 0, Mount_Options: barrier=1

/vendor | /dev/block/dm-1 | Size: 414MB Used: 408MB Free: 5MB Backup Size: 408MB
Flags: Can_Be_Mounted IsPresent Mount_Read_Only
Primary_Block_Device: /dev/block/dm-1
Display_Name: Vendor
Storage_Name: Vendor
Backup_Path: /vendor
Backup_Name: vendor
Backup_Display_Name: Vendor
Storage_Path: /vendor
Current_File_System: ext4
Fstab_File_System: ext4
Backup_Method: files
Mount_Flags: 0, Mount_Options: barrier=1

/product | /dev/block/dm-2 | Size: 890MB Used: 889MB Free: 1MB Backup Size: 889MB
Flags: Can_Be_Mounted IsPresent Mount_Read_Only
Primary_Block_Device: /dev/block/dm-2
Display_Name: Product
Storage_Name: Product
Backup_Path: /product
Backup_Name: Product
Backup_Display_Name: Product
Storage_Path: /product
Current_File_System: ext4
Fstab_File_System: ext4
Backup_Method: files

/odm | /dev/block/dm-3 | Size: 3MB Used: 1MB Free: 2MB Backup Size: 1MB
Flags: Can_Be_Mounted IsPresent Mount_Read_Only
Primary_Block_Device: /dev/block/dm-3
Display_Name: ODM
Storage_Name: ODM
Backup_Path: /odm
Backup_Name: ODM
Backup_Display_Name: ODM
Storage_Path: /odm
Current_File_System: ext4
Fstab_File_System: ext4
Backup_Method: files

/prism | /dev/block/mmcblk0p32 | Size: 852MB Used: 112MB Free: 739MB Backup Size: 112MB
Flags: Can_Be_Mounted Can_Be_Wiped IsPresent
Primary_Block_Device: /dev/block/mmcblk0p32
Display_Name: prism
Storage_Name: prism
Backup_Path: /prism
Backup_Name: prism
Backup_Display_Name: prism
Storage_Path: /prism
Current_File_System: ext4
Fstab_File_System: ext4
Backup_Method: files
Mount_Flags: 0, Mount_Options: barrier=1

/metadata | /dev/block/mmcblk0p28 | Size: 27MB Used: 0MB Free: 27MB Backup Size: 0MB
Flags: Can_Be_Mounted Can_Be_Wiped Wipe_Available_in_GUI IsPresent
Primary_Block_Device: /dev/block/mmcblk0p28
Display_Name: metadata
Storage_Name: metadata
Backup_Path: /metadata
Backup_Name: metadata
Backup_Display_Name: metadata
Storage_Path: /metadata
Current_File_System: ext4
Fstab_File_System: ext4
Backup_Method: files
Mount_Flags: 1030, Mount_Options: noauto_da_alloc,discard,journal_checksum,data=ordered

/cache | /dev/block/mmcblk0p34 | Size: 192MB Used: 0MB Free: 191MB Backup Size: 0MB
Flags: Can_Be_Mounted Can_Be_Wiped Can_Be_Backed_Up Wipe_During_Factory_Reset Wipe_Available_in_GUI IsPresent
Primary_Block_Device: /dev/block/mmcblk0p34
Display_Name: Cache
Storage_Name: Cache
Backup_Path: /cache
Backup_Name: cache
Backup_Display_Name: Cache
Storage_Path: /cache
Current_File_System: ext4
Fstab_File_System: ext4
Backup_Method: files
Mount_Flags: 1030, Mount_Options: noauto_da_alloc,discard,journal_checksum,data=ordered

/efs | /dev/block/mmcblk0p1 | Size: 15MB Used: 2MB Free: 13MB Backup Size: 2MB
Flags: Can_Be_Mounted Can_Be_Wiped IsPresent
Primary_Block_Device: /dev/block/mmcblk0p1
Display_Name: efs
Storage_Name: efs
Backup_Path: /efs
Backup_Name: efs
Backup_Display_Name: efs
Storage_Path: /efs
Current_File_System: ext4
Fstab_File_System: ext4
Backup_Method: files
Mount_Flags: 1030, Mount_Options: noauto_da_alloc,discard,journal_checksum,data=ordered

/cpefs | /dev/block/mmcblk0p4 | Size: 3MB Used: 0MB Free: 3MB Backup Size: 0MB
Flags: Can_Be_Mounted Can_Be_Wiped IsPresent
Primary_Block_Device: /dev/block/mmcblk0p4
Display_Name: cpefs
Storage_Name: cpefs
Backup_Path: /cpefs
Backup_Name: cpefs
Backup_Display_Name: cpefs
Storage_Path: /cpefs
Current_File_System: ext4
Fstab_File_System: ext4
Backup_Method: files
Mount_Flags: 1030, Mount_Options: noauto_da_alloc,discard,journal_checksum,data=ordered

/misc | /dev/block/mmcblk0p14 | Size: 2MB
Flags: IsPresent
Primary_Block_Device: /dev/block/mmcblk0p14
Display_Name: misc
Storage_Name: misc
Backup_Path: /misc
Backup_Name: misc
Backup_Display_Name: misc
Storage_Path: /misc
Current_File_System: emmc
Fstab_File_System: emmc
Backup_Method: dd

/data | /dev/block/mmcblk0p38 | Size: 0MB Used: 0MB Free: 0MB Backup Size: 0MB
Flags: Can_Be_Mounted Can_Be_Wiped Can_Be_Backed_Up Wipe_During_Factory_Reset Wipe_Available_in_GUI IsPresent Has_Data_Media Can_Encrypt_Backup Use_Userdata_Encryption Is_Storage Is_Settings_Storage
Symlink_Path: /data/media
Symlink_Mount_Point: /sdcard
Primary_Block_Device: /dev/block/mmcblk0p38
Display_Name: Data
Storage_Name: Internal Storage
Backup_Path: /data
Backup_Name: data
Backup_Display_Name: Data
Storage_Path: /data/media
Current_File_System: f2fs
Fstab_File_System: f2fs
Backup_Method: files
Mount_Flags: 0, Mount_Options: flags=display="Userdata";backup=1;wipeingui
MTP_Storage_ID: 65539

/boot | /dev/block/mmcblk0p18 | Size: 44MB
Flags: Can_Be_Backed_Up IsPresent Can_Flash_Img
Primary_Block_Device: /dev/block/mmcblk0p18
Display_Name: Boot
Storage_Name: boot
Backup_Path: /boot
Backup_Name: boot
Backup_Display_Name: Boot
Storage_Path: /boot
Current_File_System: emmc
Fstab_File_System: emmc
Backup_Method: dd
Mount_Flags: 0, Mount_Options: flags=display="Kernel Image";backup=1;flashimg=1

/recovery | /dev/block/mmcblk0p19 | Size: 53MB
Flags: IsPresent Can_Flash_Img
Primary_Block_Device: /dev/block/mmcblk0p19
Display_Name: Recovery
Storage_Name: recovery
Backup_Path: /recovery
Backup_Name: recovery
Backup_Display_Name: Recovery
Storage_Path: /recovery
Current_File_System: emmc
Fstab_File_System: emmc
Backup_Method: dd
Mount_Flags: 0, Mount_Options: flags=display="Recovery Image";backup=1;flashimg=1

/dtbo | /dev/block/mmcblk0p21 | Size: 8MB
Flags: IsPresent
Primary_Block_Device: /dev/block/mmcblk0p21
Display_Name: dtbo
Storage_Name: dtbo
Backup_Path: /dtbo
Backup_Name: dtbo
Backup_Display_Name: dtbo
Storage_Path: /dtbo
Current_File_System: emmc
Fstab_File_System: emmc
Backup_Method: dd
Mount_Flags: 0, Mount_Options: flags=display="DTBO Image";backup=1;flashimg=1

/optics_image | /dev/block/mmcblk0p33 | Size: 24MB
Flags: IsPresent
Primary_Block_Device: /dev/block/mmcblk0p33
Display_Name: optics_image
Storage_Name: optics_image
Backup_Path: /optics_image
Backup_Name: optics_image
Backup_Display_Name: optics_image
Storage_Path: /optics_image
Current_File_System: emmc
Fstab_File_System: emmc
Backup_Method: dd
Mount_Flags: 0, Mount_Options: flags=display="Optics Image";backup=1;flashimg=1

/prism_image | /dev/block/mmcblk0p32 | Size: 880MB
Flags: IsPresent
Primary_Block_Device: /dev/block/mmcblk0p32
Display_Name: prism_image
Storage_Name: prism_image
Backup_Path: /prism_image
Backup_Name: prism_image
Backup_Display_Name: prism_image
Storage_Path: /prism_image
Current_File_System: emmc
Fstab_File_System: emmc
Backup_Method: dd
Mount_Flags: 0, Mount_Options: flags=display="Prism Image";backup=1;flashimg

/sdcard1 | | Size: 0MB Used: 0MB Free: 0MB Backup Size: 0MB
Flags: Can_Be_Mounted Can_Be_Wiped Wipe_Available_in_GUI Removable Is_Storage
Primary_Block_Device: /dev/block/mmcblk1p1
Alternate_Block_Device: /dev/block/mmcblk1p1
Display_Name: MicroSD Card
Storage_Name: MicroSD Card
Backup_Path: /sdcard1
Backup_Name: sdcard1
Backup_Display_Name: MicroSD Card
Storage_Path: /sdcard1
Current_File_System: auto
Fstab_File_System: auto
Backup_Method: files
Mount_Flags: 0, Mount_Options: utf8
MTP_Storage_ID: 65537

/usb_otg | | Size: 0MB Used: 0MB Free: 0MB Backup Size: 0MB
Flags: Can_Be_Mounted Can_Be_Wiped Wipe_Available_in_GUI Removable Is_Storage
Primary_Block_Device: /dev/block/sda1
Alternate_Block_Device: /dev/block/sda
Display_Name: USB-Storage
Storage_Name: USB-Storage
Backup_Path: /usb_otg
Backup_Name: usb_otg
Backup_Display_Name: USB-Storage
Storage_Path: /usb_otg
Current_File_System: auto
Fstab_File_System: auto
Backup_Method: files
Mount_Flags: 0, Mount_Options: utf8
MTP_Storage_ID: 65538

/super | /dev/block/by-name/super | Size: 5416MB
Flags: Can_Be_Backed_Up IsPresent Can_Flash_Img
Alternate_Block_Device: /dev/block/by-name/super
Display_Name: super
Backup_Path: /super
Backup_Name: super
Backup_Display_Name: Super
Current_File_System: emmc
Backup_Method: dd

I:Can't probe device /dev/block/mmcblk0p38
I:Unable to mount '/data'
I:Actual block device: '/dev/block/mmcblk0p38', current file system: 'f2fs'
I:Can't probe device /dev/block/mmcblk0p38
I:Unable to mount '/data'
I:Actual block device: '/dev/block/mmcblk0p38', current file system: 'f2fs'
Unable to mount /data/media/TWRP/.twrps
I:Attempt to load settings from settings file...
I:InfoManager file '/data/media/TWRP/.twrps' not found.
I:Backup folder set to '/data/media/TWRP/BACKUPS/RZ8RB05XQYA'
I:Mount: Unable to find partition for path '/etc'
I:Copied file /etc/recovery.fstab to /cache/recovery/recovery.fstab
I:Version number saved to '/cache/recovery/.version'
I:Can't probe device /dev/block/mmcblk0p38
I:Unable to mount '/data'
I:Actual block device: '/dev/block/mmcblk0p38', current file system: 'f2fs'
I:Unable to mount '/sdcard1'
I:Actual block device: '', current file system: 'auto'
I:Unable to mount '/usb_otg'
I:Actual block device: '', current file system: 'auto'
I:TWFunc::Set_Brightness: Setting brightness control to 306
I:Starting MTP
I:Cannot find file /sys/class/android_usb/android0/idVendor
I:Cannot find file /sys/class/android_usb/android0/idProduct
I:[MTP] Starting MTP
I:Can't probe device /dev/block/mmcblk0p38
I:Unable to mount '/data'
I:Actual block device: '/dev/block/mmcblk0p38', current file system: 'f2fs'
MTP Enabled
I:Path /cache/recovery/log.gz does not exist. Unable to copy /cache/recovery/last_log.gz
I:Starting Adb Backup FIFO
I:PageManager::LoadFileToBuffer loading filename: '/twres/languages/en.xml' directly
parsing languageFile
parsing languageFile done
I:Translating partition display names
I:Backup folder set to '/data/media/TWRP/BACKUPS/RZ8RB05XQYA'
I:checking for twrp app
I:Can't probe device /dev/block/mmcblk0p38
I:Unable to mount '/data'
I:Actual block device: '/dev/block/mmcblk0p38', current file system: 'f2fs'
I:Data partition cannot be mounted during app check
I:App not installed
I:Switching packages (TWRP)
I:Set page: 'main'
I:Set page: 'clear_vars'
I:Set page: 'main2'
E:[MTP] could not open MTP driver, errno: 2
I:TWFunc::Set_Brightness: Setting brightness control to 0
I:TWFunc::Set_Brightness: Setting brightness control to 306
I:TWFunc::Set_Brightness: Setting brightness control to 5
I:TWFunc::Set_Brightness: Setting brightness control to 0

I'll try to attach the kernel log (dmesg) as well (it is 1.7MB, which is probably a bit much to paste)

(It fails to start DRM, but does get a fbdev, with a correct-looking resolution)