** Description changed:
Binary package hint: software-properties-gtk
After clean install of Ubuntu 7.04 Beta (i386 alternate), update-manager
ran and downloaded some package from the net and prompted me to insert
CD-ROM to install updated. I didn't want to install packages from CD-
ROM, I then clicked "cancel" and wanted to remove CD-ROM from the
source.list by using "software sources" application to only specify
internet as package source.
I Couldn't find how to remove CD-ROM from the selection in software-
properties-gtk and didn't want to edit /etc/apt/source.list manually. I
then tried to click few options here and there in software-properties-
gtk application. In "Third-Party Software tab", there was no entries and
still there is no entry. Then I quit software-properties-gtk application
to retry update-manager.
update-manager wouldn't start and displayed the following error;
"Could not initialize the package information
A unresolvable problem occurred while initializing the package
information.
Please report this bug against the 'update-manager' package and include
the following error message:
'E:Malformed line 4 in source list /etc/apt/sources.list (dist parse),
E:The list of sources could not be read.' "
After commenting out line 4 of /etc/apt/source.list the problem
disappeared and update-manager ran fine. It seems like software-
properties-gtk corrupted the source.list.
Here are the first 8 lines of /etc/apt/source.list [actual lines start after
the :]
1:#
2:# deb cdrom:[Ubuntu 7.04 _Feisty Fawn_ - Beta i386 (20070322.2)]/ feisty
main restricted
3:
4:deb cdrom:[Ubuntu 7.04 _Feisty Fawn_ - Beta i386 (20070322.2)]/ feisty
5:# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
6:# newer versions of the distribution.
7:
8:deb http://ca.archive.ubuntu.com/ubuntu/ feisty main restricted
it seems the line 4 misses "main restricted" at the end of the line. Also
it's strange that line 4 seems to be the same as lthe commented line 2 except
for the missing "main restricted". This /etc/apt/source.list was never edited
manually.
+
+ Mar 31 Update: I re-installed Ubuntu 7.04 beta and made a backup of the
+ /etc/apt/source.list. I can confirm that just going in software-
+ properties application and changing one option (i.e. clicking on "source
+ code") and saving will make the problem show up. The 4 line of the
+ source.list is malformed and no other application can read the
+ source.list without error.
** Tags added: 7.04 software-properties source.list
--
software-properties-gtk corrupted /etc/apt/source.list
https://launchpad.net/bugs/98795
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