Bug 463455

As I'm trying to copy music file to a µSD card for smartphone (Galaxy Note 9, Android 10), the card looks write protected and impossible to receive new files, while it is only 30% occupied
herengt@herengt-N751JK:~$ sudo hdparm -r /dev/mmcblk0p1
[sudo] Mot de passe de herengt : 

/dev/mmcblk0p1:
 readonly      =  1 (on)
herengt@herengt-N751JK:~$ sudo hdparm -r /dev/mmcblk0

/dev/mmcblk0:
 readonly      =  1 (on)
herengt@herengt-N751JK:~$ sudo hdparm -r0 /dev/mmcblk0

/dev/mmcblk0:
 setting readonly to 0 (off)
 readonly      =  1 (on)
herengt@herengt-N751JK:~$  shred -fvz -n 2 /dev/mmcblk0
shred: /dev/mmcblk0 : impossible d’ouvrir en écriture: Opération non permise
herengt@herengt-N751JK:~$ sudo shred -fvz -n 2 /dev/mmcblk0
shred: /dev/mmcblk0 : impossible d’ouvrir en écriture: Système de fichiers accessible en lecture seulement
herengt@herengt-N751JK:~$ sudo shred -fvz -n 2 /dev/mmcblk0
shred: /dev/mmcblk0 : impossible d’ouvrir en écriture: Système de fichiers accessible en lecture seulement
herengt@herengt-N751JK:~$ sudo hdparm -r0 /dev/mmcblk0

/dev/mmcblk0:
 setting readonly to 0 (off)
 readonly      =  1 (on)
herengt@herengt-N751JK:~$ ^C
herengt@herengt-N751JK:~$ 


SUMMARY
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STEPS TO REPRODUCE
1. 
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OBSERVED RESULT


EXPECTED RESULT


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION