Description of problem: Was trying to install Fedora to a USB pendrive. Version-Release number of selected component: anaconda-20.25.16-1.fc20.x86_64 The following was filed automatically by anaconda: anaconda 20.25.16-1 exception report Traceback (most recent call first): File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 1871, in _populate_right_side self._typeCombo.set_active(type_index_map[device_type]) File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 2513, in on_selector_clicked self._populate_right_side(selector) File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 2186, in _show_mountpoint self.on_selector_clicked(page.members[0]) File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 1027, in _do_refresh self._show_mountpoint(page=firstPage, mountpoint=mountpointToShow) File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 2589, in on_create_clicked self._do_refresh() TypeError: Argument 1 does not allow None as a value Additional info: cmdline: /usr/bin/python /usr/sbin/anaconda cmdline_file: BOOT_IMAGE=/vmlinuz-3.15.8-200.fc20.x86_64 root=/dev/sda6 ro vconsole.font=latarcyrheb-sun16 rootfstype=ext4 zswap.enabled=1 plymouth.enable=0 LANG=es_ES.UTF-8 executable: /usr/sbin/anaconda hashmarkername: anaconda kernel: 3.15.8-200.fc20.x86_64 product: Fedora release: Fedora release 20 (Heisenbug) type: anaconda version: 20
Created attachment 927367 [details] File: anaconda-tb
Created attachment 927368 [details] File: anaconda.log
Created attachment 927369 [details] File: environ
Created attachment 927370 [details] File: journalctl
Created attachment 927371 [details] File: lsblk_output
Created attachment 927372 [details] File: nmcli_dev_list
Created attachment 927373 [details] File: os_info
Created attachment 927374 [details] File: program.log
Created attachment 927375 [details] File: storage.log
Created attachment 927376 [details] File: ifcfg.log
Created attachment 927377 [details] File: packaging.log
Found the thing that caused the error. I was using a repo list, I do not know why, but it does not work with it (tryed several times). The moment I changed to a normal repo as a source, everything went ok.
*** This bug has been marked as a duplicate of bug 1022419 ***