gdmgreeter segfaults when XRandR is not available
Bug #152505 reported by
Chris Halse Rogers
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
gdm (Ubuntu) |
Fix Released
|
High
|
Unassigned |
Bug Description
Binary package hint: gdm
A recent update (likely:
[ Matthew Garrett ]
* debian/
- on randr1.0 drivers, set the virtual to the screen resolution in
order to avoid panning setups (part of LP: #137517))
caused gdmgreeter to start segfaulting on startup. Upon investigation, I had Xinerama enabled in my xorg.conf (which disables XRandR). After removing the Xinerama option, gdmgreeter starts successfully. I'm using the nvidia-glx-new drivers
I'll attach a backtrace of gdmgreeter with Xinerama enabled.
It's possible that this is a duplicate of bug: #152208, but that bug seems sufficiently different to file a new one.
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Attached is my xorg.conf. With the ServerFlags section commented, gdm starts. With the ServerFlags section uncommented, gdm doesn't.