If the issue happens before X is even loaded, then that means it's not
an X bug.
It sounds like plymouth (or perhaps grub or something else in the
plumbing layer) put the GPU into a bad state, and so when eventually X
came up, it couldn't fire up 3D on it, thus no effects.
You might try booting
On a recent installation this problem doesn't exist anymore.
** Changed in: plymouth (Ubuntu)
Status: New = Fix Released
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https://bugs.launchpad.net/bugs/713877
Title:
No
On a recent installation this problem doesn't exist anymore.
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https://bugs.launchpad.net/bugs/713877
Title:
No desktop effects and no True Color color depth
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** Tags added: kubuntu
** Tags added: compiz
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https://bugs.launchpad.net/bugs/713877
Title:
No desktop effects and no True Color color depth
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** Summary changed:
- No desktop dffects and no True Color color depth
+ No desktop effects and no True Color color depth
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https://bugs.launchpad.net/bugs/713877
Title:
No desktop