Bug 1006423 - system-switch-displaymanager does not support sddm
system-switch-displaymanager does not support sddm
Product: Fedora
Classification: Fedora
Component: system-switch-displaymanager (Show other bugs)
All Linux
unspecified Severity unspecified
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Assigned To: Ngo Than
Fedora Extras Quality Assurance
Depends On:
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Reported: 2013-09-10 11:20 EDT by Andre Robatino
Modified: 2015-04-07 05:12 EDT (History)
3 users (show)

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Doc Type: Bug Fix
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Last Closed: 2015-02-26 16:18:11 EST
Type: Bug
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Description Andre Robatino 2013-09-10 11:20:51 EDT
Description of problem:
[root@localhost ~]# system-switch-displaymanager sddm
The graphical display manager sddm is not supported yet.

I can switch to sddm manually using systemctl commands. Since sddm is now the default DM for KDE, this really should work.

Version-Release number of selected component (if applicable):
Comment 1 Bas Mevissen 2015-02-25 11:16:20 EST
SDDM support is now added to system-switch-displaymanager-1.4-1. Unfortunately, with (at least) sddm-0.10.0-3.fc21 on a Fedora 21 x86_64 system it gives the following error:

ERROR: SDDM is not installed on your machine! to install SDDM, please type yum install sddm

The reason for this error is that system-switch-displaymanager looks for the sddm binary in /usr/sbin instead of /usr/bin.

Fix is:

--- /usr/share/system-switch-displaymanager/system-switch-displaymanager-helper.orig	2015-02-10 15:46:52.000000000 +0100
+++ /usr/share/system-switch-displaymanager/system-switch-displaymanager-helper	2015-02-25 17:11:42.094453180 +0100
@@ -59,7 +59,7 @@
-    [ ! -x /usr/sbin/sddm ] && error SDDM sddm
+    [ ! -x /usr/bin/sddm ] && error SDDM sddm

With this change, SDDM is supported properly on Fedora 21.
Comment 2 Ngo Than 2015-02-26 16:18:11 EST
it's fixed, i will build it into rawhide today. thanks for your report.
Comment 3 Jean-Paul Lambrechts 2015-04-05 01:21:58 EDT
Current available version of system-switch-displaymanager in Fedora 21 is 1.4.1 and it appears to still have this bug. There is a simple workaround: 
in /usr/share/system-switch-displaymanager/system-switch-displaymanager-helper,
line 64, in the test for sddm availability, replace /usr/sbin/sddm with /usr/bin/sddm. It does the same thing as the patch from Bas Mevissen.
The switch to sddm works after this change (tested with the gui).
Comment 4 Bas Mevissen 2015-04-07 05:12:22 EDT
There is a newer version (1.5-1) in Koji that seems to have the issue fixed. See http://koji.fedoraproject.org/koji/buildinfo?buildID=615547

This package is fine too on fc21 (tested it myself). It just needs to tagged as fc21 update. Ngo, can you please do that anytime soon?

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