Echec backup Jeedom smart

Bonjour,
J’ai procédé à la mise à jour de ma Jeedom smart, mais elle n’a jamais remarché. J’ai procédé à une restauration en suivant la doc, en vain. Elle me sort syscall 291 en boucle.
Pourriez-vous m’éclairer svp, merci d’avance.
voici le log :

==== PREPARE CARD ====
65536+0 records in
65536+0 records out
33554432 bytes (34 MB, 32 MiB) copied, 3.10639 s, 10.8 MB/s
/dev/mmcblk0: msdos partitions

Welcome to fdisk (util-linux 2.27.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.

Device does not contain a recognized partition table.
Created a new DOS disklabel with disk identifier 0xb958c6b9.

Command (m for help): Created a new DOS disklabel with disk identifier 0xbd28024f.

Command (m for help): The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.

/dev/mmcblk0: msdos partitions
131072+0 records in
131072+0 records out
67108864 bytes (67 MB, 64 MiB) copied, 6.12795 s, 11.0 MB/s

Welcome to fdisk (util-linux 2.27.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.


Command (m for help): Partition type
   p   primary (0 primary, 0 extended, 4 free)
   e   extended (container for logical partitions)
Select (default p): Partition number (1-4, default 1): First sector (2048-15269887, default 2048): Last sector, +sectors or +size{K,M,G,T,P} (65536-15269887, default 15269887): 
Created a new partition 1 of type 'Linux' and of size 256 MiB.

Command (m for help): Selected partition 1
Partition type (type L to list all types): Changed type of partition 'Linux' to 'W95 FAT32 (LBA)'.

Command (m for help): Partition type
   p   primary (1 primary, 0 extended, 3 free)
   e   extended (container for logical partitions)
Select (default p): Partition number (2-4, default 2): First sector (2048-15269887, default 2048): Last sector, +sectors or +size{K,M,G,T,P} (589824-15269887, default 15269887): 
Created a new partition 2 of type 'Linux' and of size 8 MiB.

Command (m for help): Partition type
   p   primary (2 primary, 0 extended, 2 free)
   e   extended (container for logical partitions)
Select (default p): Partition number (3,4, default 3): First sector (2048-15269887, default 2048): Last sector, +sectors or +size{K,M,G,T,P} (606208-15269887, default 15269887): 
Created a new partition 3 of type 'Linux' and of size 8 MiB.

Command (m for help): Partition type
   p   primary (3 primary, 0 extended, 1 free)
   e   extended (container for logical partitions)
Select (default e): 
Selected partition 4
First sector (2048-15269887, default 2048): Last sector, +sectors or +size{K,M,G,T,P} (622592-15269887, default 15269887): 
Created a new partition 4 of type 'Extended' and of size 7 GiB.

Command (m for help): All primary partitions are in use.
Adding logical partition 5
First sector (624640-15269887, default 624640): Last sector, +sectors or +size{K,M,G,T,P} (624640-15269887, default 15269887): 
Created a new partition 5 of type 'Linux' and of size 8 MiB.

Command (m for help): All primary partitions are in use.
Adding logical partition 6
First sector (643072-15269887, default 643072): Last sector, +sectors or +size{K,M,G,T,P} (643072-15269887, default 15269887): 
Created a new partition 6 of type 'Linux' and of size 256 MiB.

Command (m for help): All primary partitions are in use.
Adding logical partition 7
First sector (1169408-15269887, default 1169408): Last sector, +sectors or +size{K,M,G,T,P} (1169408-15269887, default 15269887): 
Created a new partition 7 of type 'Linux' and of size 6.7 GiB.

Command (m for help): The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.

/dev/mmcblk0: msdos partitions 1 2 3 4 <5 6 7>
2048+0 records in
2048+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.121342 s, 8.6 MB/s
mkfs.fat: warning - lowercase labels might not work properly with DOS or Windows
mkfs.fat 3.0.28 (2015-05-16)
2048+0 records in
2048+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.112179 s, 9.3 MB/s
mke2fs 1.42.13 (17-May-2015)
Discarding device blocks:    4096/1755136 528384/1755136               done                            
Creating filesystem with 1755136 4k blocks and 438912 inodes
Filesystem UUID: 4f5f5f07-c5c7-45ee-b807-4ca6c2cc8aca
Superblock backups stored on blocks: 
	32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632

Allocating group tables:  0/54     done                            
Writing inode tables:  0/54     done                            
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information:  0/54     done

/dev/mmcblk0: msdos partitions 1 2 3 4 <5 6 7>
==== INSTALL BOOT ====
442+0 records in
442+0 records out
442 bytes copied, 0.002351 s, 188 kB/s
96+0 records in
96+0 records out
49152 bytes (49 kB, 48 KiB) copied, 0.005575 s, 8.8 MB/s
1184+0 records in
1184+0 records out
606208 bytes (606 kB, 592 KiB) copied, 0.059812 s, 10.1 MB/s
==== INSTALL JEEDOM ====
mkdir: can't create directory '/mnt1': File exists
mkdir: can't create directory '/mnt2': File exists
umount: can't umount /mnt2: Invalid argument
umount: can't umount /mnt1: Invalid argument

Number of files: 98,459 (reg: 80,888, dir: 13,156, link: 4,378, dev: 37)
Number of created files: 98,457 (reg: 80,888, dir: 13,154, link: 4,378, dev: 37)
Number of deleted files: 0
Number of regular files transferred: 80,866
Total file size: 3,132,221,334 bytes
Total transferred file size: 2,949,659,217 bytes
Literal data: 2,949,659,217 bytes
Matched data: 0 bytes
File list size: 2,621,248
File list generation time: 0.002 seconds
File list transfer time: 0.000 seconds
Total bytes sent: 2,956,180,273
Total bytes received: 1,623,472

sent 2,956,180,273 bytes  received 1,623,472 bytes  7,294,213.92 bytes/sec
total size is 3,132,221,334  speedup is 1.06
==== PREPARE JEEDOM BOOT ====
mkdir: can't create directory '/mnt2/media/boot': File exists
umount: can't umount /mnt1: Invalid argument
==== INSTALL MULTIBOOT SUPPORT ====
umount: can't umount /mnt2: Invalid argument
mkdir: can't create directory '/mnt2/multiboot': File exists