Public bug reported:
Running dbus-launch from the console results in very poor performance
(keyboard keys need to be held down for multiple seconds for an echo of
that character to appear on the console).
To recreate:
killall dbus-launch &>/dev/null
eval `dbus-launch --auto-syntax --exit-with-session`
start typing :-)
Note that the problem only occurs with "--exit-with-session": This
invocation is fine:
killall dbus-launch &>/dev/null
eval `dbus-launch --auto-syntax`
Problem appears to be related to function tools/dbus-
launch.c:kill_bus_when_session_ends() which is calling select(2)
followed by read(2) in an infinite loop (until the shell exits) for all
input the user types.
Poor performance observed in oneiric VM (kvm).
** Affects: dbus (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/812913
Title:
poor console performance if dbus-launch run with "--exit-with-session"
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