GDM logs out after some minutes of typing on the keyboard
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
gdm (Ubuntu) |
Fix Released
|
Critical
|
Martin Pitt | ||
Karmic |
Fix Released
|
Critical
|
Martin Pitt |
Bug Description
Using Ubuntu Karmic x86_64, as of 06.07.09. Possibly relevant package:
gdm: Installed: 2.26.1-0ubuntu3
Problem:
After logging in via gdm (system freshly started up), after some minutes of typing (no matter in which program), I suddenly, without any warning, get kicked out of my session and back to the login screen. I suspect that this "event" is triggered by an unlucky but likely to occur key sequence. If I do not type anything the issue does not occur. There does not seem to be any single trigger key (i.e. the last key pressed before I get kicked out is not always the same one).
After re-logging back in, the issue does not occur anymore, until the next reboot.
Likely related symptoms:
- The first gdm session appears to start on tty1, the ones after the crash on tty7
- After the crash, if I switch to tty1, many random characters are printed, i.e.
$HOSTNAME login: *88;888;8;8<88A8
Ubuntu karmic (development branch) $HOSTNAME tty1
$HOSTNAME login: *1
Ubuntu karmic (development branch) $HOSTNAME tty1
[...]
$HOSTNAME login: 5.........215,1$9 1& 9 9!&SSSSS09!
ssword:
Ubuntu karmic (development branch) $HOSTNAME tty1
$HOSTNAME login:
Ubuntu karmic (development branch) $HOSTNAME tty1
- GDM seemes to crash (it actually looks more like a controlled logout) when tty1 displays "password:"
- The above random characters have little to do with the ones I pressed.
- No related errors are to be found in any system log (which is why I suspect it is a controlled logout rather than a crash)
no longer affects: | util-linux (Ubuntu Karmic) |
no longer affects: | util-linux (Ubuntu) |
Maybe relevant: laptop has intel graphics (Mobile 4 Series Chipset Integrated Graphics Controller), therefore using KMS.