Public bug reported:
LightDM currently uses /dev/console for VT operations. In Ubuntu 16.04
this does not appear to work anymore. Switching to /dev/tty0 works, and
this matches what logind and GDM use.
When these operations don't work this can affect the ability to switch
between sessions.
There doesn't seem to be any documentation on what the correct device to
use for VT operations is, so matching other software is probably just
reducing the risk of hitting bugs.
** Affects: lightdm
Importance: High
Status: Fix Committed
** Affects: lightdm/1.18
Importance: High
Status: Fix Released
** Affects: lightdm (Ubuntu)
Importance: High
Status: New
** Affects: lightdm (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: lightdm/1.18
Importance: Undecided
Status: New
** Changed in: lightdm
Status: New => Fix Committed
** Changed in: lightdm
Importance: Undecided => High
** Changed in: lightdm/1.18
Status: New => Fix Committed
** Changed in: lightdm/1.18
Importance: Undecided => Medium
** Changed in: lightdm/1.18
Importance: Medium => High
** Also affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
** Changed in: lightdm (Ubuntu)
Importance: Undecided => High
** Description changed:
LightDM currently uses /dev/console for VT operations. In Ubuntu 16.04
this does not appear to work anymore. Switching to /dev/tty0 works, and
this matches what logind and GDM use.
+ When these operations don't work this can affect the ability to switch
+ between sessions.
+
There doesn't seem to be any documentation on what the correct device to
use for VT operations is, so matching other software is probably just
reducing the risk of hitting bugs.
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https://bugs.launchpad.net/bugs/1566073
Title:
Use /dev/tty0 instead of /dev/console for VT operations
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