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Description of problem: liveusb creator crashes when started with --reset-mbr but the MBR is of the target device empty. Version-Release number of selected component (if applicable): liveusb-creator-3.9.3-1.fc14.noarch How reproducible: always Steps to Reproduce: 1. prepare a USB key with empty MBR e.g. by letting fdisk write a new empty partition table. Add a partition and format it, but make sure that there is no MBR. 2. # liveusb-creator --reset-mbr 3. press 'Create LiveUSB' Actual results: Log window: Fedora-15-Beta-x86_64-Live-Desktop.iso selected The Master Boot Record on your device is blank. Pressing 'Create LiveUSB' again will reset the MBR on this device. Press 'Create LiveUSB' again GUI freezes at 0%. Console output: ERROR:dbus.connection:Unable to set arguments ([],) according to signature None: <type 'exceptions.ValueError'>: Unable to guess signature from an empty list Traceback (most recent call last): File "/usr/lib/python2.7/site-packages/liveusb/gui.py", line 460, in begin self.live.unmount_device(force=True) File "/usr/lib/python2.7/site-packages/liveusb/creator.py", line 536, in unmount_device dbus_interface='org.freedesktop.Hal.Device.Volume') File "/usr/lib/python2.7/site-packages/dbus/proxies.py", line 140, in __call__ **keywords) File "/usr/lib/python2.7/site-packages/dbus/connection.py", line 620, in call_blocking message.append(signature=signature, *args) ValueError: Unable to guess signature from an empty list Expected results: As written in the log window, pressing the 'Create ...' button a second time should create a MBR on the stick. Additional info: Partition table of the USB key that was used: # LANG=C fdisk -l /dev/sdb Disk /dev/sdb: 2011 MB, 2011168768 bytes 54 heads, 54 sectors/track, 1347 cylinders, total 3928064 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x2a86323f Device Boot Start End Blocks Id System /dev/sdb1 2048 3928063 1963008 e W95 FAT16 (LBA)
Actually it's not the --reset-mbr option, it also crashes without. Adjusting summary.
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