Xiaomi Redmi Note 4 (mido) : mmcblk0p49: don't know how to mount this partition #67
Description
Backup fails with "don't know how to mount this partition".
$ tetherback -v
tetherback v0.9.1
Found ADB version 1.0.36
Using default transfer method: adb exec-out pipe (--exec-out)
Device reports kernel 3.18.24-perf-g3e8efb0
Device reports TWRP version 3.2.1-0
Reading partition map for mmcblk0 (49 partitions)...
partition map: 100%
Reading partition map for mmcblk0rpmb (0 partitions)...
partition map: 100%
Partition map:
BLOCK DEVICE PARTITION NAME SIZE (KiB) MOUNT POINT FSTYPE
-------------- ---------------- ------------ ------------- --------
mmcblk0p1 modem 86016 /firmware vfat
mmcblk0p2 fsc 1
mmcblk0p3 ssd 8
mmcblk0p4 sbl1 512
mmcblk0p5 sbl1bak 512
mmcblk0p6 rpm 512
mmcblk0p7 rpmbak 512
mmcblk0p8 tz 2048
mmcblk0p9 tzbak 2048
mmcblk0p10 devcfg 256
mmcblk0p11 devcfgbak 256
mmcblk0p12 dsp 16384
mmcblk0p13 modemst1 1536
mmcblk0p14 modemst2 1536
mmcblk0p15 ddr 32
mmcblk0p16 fsg 1536
mmcblk0p17 sec 16
mmcblk0p18 splash 11264
mmcblk0p19 aboot 1024
mmcblk0p20 abootbak 1024
mmcblk0p21 boot 65536
mmcblk0p22 recovery 65536
mmcblk0p23 devinfo 1024
mmcblk0p24 system 3145728 /system ext4
mmcblk0p25 cache 262144 /cache ext4
mmcblk0p26 persist 32768 /persist ext4
mmcblk0p27 misc 1024
mmcblk0p28 keystore 512
mmcblk0p29 config 32
mmcblk0p30 oem 262144
mmcblk0p31 limits 32
mmcblk0p32 mota 512
mmcblk0p33 dip 1024
mmcblk0p34 mdtp 32768
mmcblk0p35 syscfg 512
mmcblk0p36 mcfg 4096
mmcblk0p37 lksecapp 128
mmcblk0p38 lksecappbak 128
mmcblk0p39 cmnlib 256
mmcblk0p40 cmnlibbak 256
mmcblk0p41 cmnlib64 256
mmcblk0p42 cmnlib64bak 256
mmcblk0p43 keymaster 256
mmcblk0p44 keymasterbak 256
mmcblk0p45 apdp 256
mmcblk0p46 msadp 256
mmcblk0p47 dpo 8
mmcblk0p48 cust 851968 /cust ext4
mmcblk0p49 userdata 25161191
Total: 30017896
Backup plan:
PARTITION NAME FILENAME FORMAT
---------------- --------------- ------------------------------
boot boot.emmc.win gzipped raw image
system system.ext4.win tar -cz -p
userdata data.ext4.win tar -cz -p --exclude="*-cache"
Saving backup images in ./twrp-backup-2019-03-09--12-57-18/ ...
Saving partition boot (mmcblk0p21), 64 MiB uncompressed...
boot.emmc.win: 100% 7.0 MiB/s 17.2 MiB
Saving tarball of mmcblk0p24 (mounted at /system), 3072 MiB uncompressed...
system.ext4.win: 100% 8.2 MiB/s 605.3 MiB
Traceback (most recent call last):
File "/usr/local/bin/tetherback", line 11, in <module>
load_entry_point('tetherback==0.9.1', 'console_scripts', 'tetherback')()
File "/home/cb/.local/lib/python3.5/site-packages/tetherback/tetherback.py", line 344, in main
backup_partition(adb, partmap[standard], bp, args.transport, backupdir, args.verify)
File "/home/cb/.local/lib/python3.5/site-packages/tetherback/tetherback.py", line 230, in backup_partition
raise RuntimeError("%s: don't know how to mount this partition" % pi.devname)
RuntimeError: mmcblk0p49: don't know how to mount this partition
$ adb shell cat /etc/fstab
/dev/block/mmcblk0p24 /system ext4 rw 0 0
/dev/block/dm-0 /data ext4 rw 0 0
/dev/block/mmcblk0p25 /cache ext4 rw 0 0
/dev/block/mmcblk0p48 /cust ext4 rw 0 0
/dev/block/mmcblk0p1 /firmware vfat rw 0 0
/dev/block/mmcblk0p26 /persist ext4 rw 0 0
/sdcard1 auto rw 0 0
/usb-otg auto rw 0 0