Devices possibly connected: PRS-300/505 Device Interface,
Trying to open PRS-300/505 Device Interface ... failed
Opening of the following devices failed
<calibre.devices.prs505.driver.PRS505 object at 0x89fcb0c>
Traceback (most recent call last):
File "/usr/lib/calibre/calibre/devices/__init__.py", line 84, in debug
dev.open()
File "/usr/lib/calibre/calibre/devices/prs505/driver.py", line 68, in open
Device.open(self)
File "/usr/lib/calibre/calibre/devices/usbms/device.py", line 621, in open
self.open_linux()
File "/usr/lib/calibre/calibre/devices/usbms/device.py", line 605, in open_linux
mp, ret = mount(card, typ)
File "/usr/lib/calibre/calibre/devices/usbms/device.py", line 582, in mount
ret = do_mount(node, label)
File "/usr/lib/calibre/calibre/devices/usbms/device.py", line 577, in do_mount
_('Could not find mount helper: %s.')%cmd[0])
DeviceError: Could not find mount helper: calibre-mount-helper.
same here with this ending:
Devices possibly connected: PRS-300/505 Device Interface, devices. prs505. driver. PRS505 object at 0x89fcb0c> calibre/ calibre/ devices/ __init_ _.py", line 84, in debug calibre/ calibre/ devices/ prs505/ driver. py", line 68, in open open(self) calibre/ calibre/ devices/ usbms/device. py", line 621, in open open_linux( ) calibre/ calibre/ devices/ usbms/device. py", line 605, in open_linux calibre/ calibre/ devices/ usbms/device. py", line 582, in mount calibre/ calibre/ devices/ usbms/device. py", line 577, in do_mount mount-helper.
Trying to open PRS-300/505 Device Interface ... failed
Opening of the following devices failed
<calibre.
Traceback (most recent call last):
File "/usr/lib/
dev.open()
File "/usr/lib/
Device.
File "/usr/lib/
self.
File "/usr/lib/
mp, ret = mount(card, typ)
File "/usr/lib/
ret = do_mount(node, label)
File "/usr/lib/
_('Could not find mount helper: %s.')%cmd[0])
DeviceError: Could not find mount helper: calibre-