Ok. So, fixing the other problems didn't work because unity-greeter was never
actually drawing to the pixmap it created - the code to draw the background was
bubbling through GTK, and hitting
[+20.72s] CRITICAL: gtk_widget_draw: assertion `!widget->priv->alloc_needed'
failed’
So, unity-greeter was setting the background pixmap to an uninitialised
pixmap, netting random VRAM contents on !intel, and, for some strange
reason, the correct image on Intel.
I should now be able to fix this.
** Changed in: unity-greeter (Ubuntu Precise)
Status: Triaged => In Progress
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https://bugs.launchpad.net/bugs/931967
Title:
Corrupted graphics after the login until the unity launcher appears
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