** Changed in: unity-system-compositor
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1351444
Title:
SessionSwitcher can remove valid sessions from its map since it only
checks the name
Status in Unity System Compositor:
Fix Released
Status in “unity-system-compositor” package in Ubuntu:
Fix Released
Bug description:
SessionSwitcher can remove valid sessions from its map since it only
checks the name.
Normally that's ok, except when a session crashes. What can happen is
Session A with name "session-0" starts, SessionSwitcher registers "session-0"
in its internal map.
At some point this client crashes but it's process has not been killed yet
maybe because apport is collecting data so the mir session on the server side
is still alive.
Session B with name also "session-0" starts up and registers with
SessionSwitcher.
SessionSwitcher replaces the entry associated with name "session-0" in its
map with the new session pointer.
Apport finishes up collecting data so the process is now killed. Mir closes
SessionA as the process has exited.
SessionSwitcher is told to remove session name "session-0", which is
associated with Sesssion B now (because it does not check the session pointer)
so SessionSwitcher decides to show the spinner since the "active" session has
been closed.
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