Error erasing: helper exited with exit code 1: In part_del_partition: device_file=/dev/sdb, offset=32768
Entering MS-DOS parser (offset=0, size=1052114944)
MSDOS_MAGIC found
looking at part 0 (offset 32768, size 1052082176, type 0x06)
new part entry
looking at part 1 (offset 0, size 0, type 0x00)
new part entry
looking at part 2 (offset 0, size 0, type 0x00)
new part entry
looking at part 3 (offset 0, size 0, type 0x00)
new part entry
Exiting MS-DOS parser
MSDOS partition table detected
Warning: Unable to open /dev/sdb read-write (Read-only file system).  /dev/sdb has been opened read-only.
got it
Warning: Unable to open /dev/sdb read-write (Read-only file system).  /dev/sdb has been opened read-only.
got disk
got partition - part->type=0
Warning: Unable to open /dev/sdb read-write (Read-only file system).  /dev/sdb has been opened read-only.
Error: Can't write to /dev/sdb, because it is opened read-only.
ped_disk_commit_to_dev() failed