[4.0.1.48] Backupfile on SD-Card ist empty

REPRODUCIBILITY (% or how often): 100%
BUILD ID = OS VERSION (Settings > About product): 4.0.1.48
HARDWARE (XA2, Xperia 10…): Xperia X
UI LANGUAGE: German
REGRESSION: (compared to previous public release: Yes, No, ?): ?

DESCRIPTION: Making a backup on my wifes phone creates a file that is not gzip compressed and is empty (0 Byte)

PRECONDITIONS: none

STEPS TO REPRODUCE:

  1. Create manual backup to SD card
  2. UI says compressing data (for a very long time)
  3. Check backup: sailfish_backup_2021-02-18xxx.tar (0B)
  4. Note lack of .gz extension and size of archive
  5. Create manual backup to OneDrive
  6. Check backup: sailfish_backup_2021-02-18xxx.tar.gz (304Kb)
    Note: backup to OneDrive does not contain photo’s from main storage.

EXPECTED RESULT:

A compressed backup file on SD, a backup with photos in OneDrive

ACTUAL RESULT:

A empty backup file on SD, a backup without photos in OneDrive

ADDITIONAL INFORMATION:

none