Sorry folks, but as part of the bug clean up ahead of 16.04 I'm marking
this as invalid because it affects an Ubuntu release which is now
unsupported. If you can still recreate this bug in a supported release
please do open a new bug and we can triage it for consideration in the
16.04 development
** Changed in: unity
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1070275
Title:
[fglrx] Unity flickering on window updates with fglrx and VBO enable
I don't have any flickering/corruption with fglrx and VBO but the
performance is terrible with that option enabled. Disabling VBO (that
option only, not sync to vblank or anything else) makes unity/compiz a
lot smoother. So obviously the fglrx driver has some problems with VBO
(the radeon drivers w
Workaround:
1. Run Ubuntu Software Center
2. Install CompizConfig Settings Manager
3. Run CompizConfig Settings Manager (ccsm)
4. Click OpenGL
5. Ensure Vertex Buffer Object is unchecked
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I have the flickering on nvidia, too. Is there another bugreport for
this?
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https://bugs.launchpad.net/bugs/1070275
Title:
[fglrx] Unity flickering on window updates wit
Definately Vertex Buffer Object that solved it. I've still got
Framebuffer and Buffer swapping still checked.
Lighting []
Sync to VBlank [X]
Texture Compression []
Framebuffer Object [X]
Vertex Buffer Object []
Always use buffer swapping [X]
Is my current setup, if I check the VBO option the flic
John,
Sorry to be a pain, but... are you sure it was toggling
vertex_buffer_object that solved it? You don't mean framebuffer_object?
** Changed in: compiz (Ubuntu)
Status: New => Confirmed
** Changed in: fglrx-installer (Ubuntu)
Status: New => Confirmed
** Changed in: unity (Ubun
When using the latest radeon driver it does not flicker, having said
that though, the animations are not quite as existant as graphic update
is so slow it'd be difficult to see when the flickering happens.
** Changed in: compiz (Ubuntu)
Status: Incomplete => New
** Changed in: fglrx-instal
John,
Could you please uninstall fglrx and test the default (radeon) driver?
** Changed in: compiz (Ubuntu)
Status: Confirmed => Incomplete
** Changed in: fglrx-installer (Ubuntu)
Status: Confirmed => Incomplete
** Changed in: unity (Ubuntu)
Status: Confirmed => Incomplete
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: unity (Ubuntu)
Status: New => Confirmed
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You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to fglrx-installer in Ubuntu.
https://bugs.launchpad.net/bugs/107027
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: fglrx-installer (Ubuntu)
Status: New => Confirmed
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which is subscribed to fglrx-installer in Ubuntu.
https://bugs.launchpad.net/b
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: compiz (Ubuntu)
Status: New => Confirmed
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which is subscribed to fglrx-installer in Ubuntu.
https://bugs.launchpad.net/bugs/10702
** Summary changed:
- [fglrx] Unity flickering on window updates
+ [fglrx] Unity flickering on window updates with fglrx and VBO enabled
** Changed in: fglrx-installer (Ubuntu)
Status: Incomplete => New
** Changed in: unity (Ubuntu)
Status: Incomplete => New
** Also affects: compi
This appears to be caused by the Vertex_buffer_output. But I'm not at a
loss on how to report this bug, or if I should report it anywhere else?
Any advice would be greatfully recieved!
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John,
This appears to be a Catalyst (fglrx) driver bug. Please try removing
the driver and using radeon instead.
Alternatively you can try reverting back to the rendering method used in Ubuntu
12.04:
CCSM > OpenGL >
framebuffer_object = OFF
vertex_buffer_object = OFF
always_swap_buffers =
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