Public bug reported:
Binary package hint: gdm
GDM in Gutsy Edubuntu ignores the MaxSessions and MaxPending settings in
gdm.conf-custom, and uses the default values of 16 and 4 respectively.
To reproduce:
1. Go to system->administration->login window
2. Go to 'Remote' tab and click 'Configure XDMCP...'
3. Change settings for Maximum pending requests and Maximum remote sessions,
then click 'Close'.
4. Go to 'Security' tab and check 'Enable debug messages to system log', then
click 'Close'.
5. Verify the setting are present in /etc/gdm/gdm.conf-custom.
6. Logout and restart gdm (not truly necessary but I did it)
7. Attempt to connect from a remote XDMCP client.
8. Log in locally and start system->administration->system log
9. Filter syslog for 'MaxSession' and observe the limits quoted are 16 and 4
regardless.
I have observed this with both gdm 2.20.0-0ubuntu6 from gutsy and
2.20.1-0ubuntu1 from gutsy-proposed.
This prevents my classroom of 10 terminals all connecting using XDMCP at
once - they can only do it in groups of 4. Once connected, the next
batch can connect, and so on. It also prevents simultaneous connection
of more than 16 terminals.
These settings if set in in gdm-cdd.conf and gdm.conf are also ignored
(I know this is bad practice, it was just for testing).
** Affects: gdm (Ubuntu)
Importance: Undecided
Status: New
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MaxSessions is set to 16 regardless of configured setting
https://bugs.launchpad.net/bugs/159477
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Desktop Bugs, which is a bug contact for gdm in ubuntu.
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