I have experienced this bug as well with 10.10 - I have included a screen shot,
here are my specs;
Gateway ZA8
after using lspci -v | less
00:00.0 Host bridge: ATI Technologies Inc RS690 Host Bridge
Subsystem: Acer Incorporated [ALI] Device 028c
Flags: bus master, 66MHz, medium devsel, latency 64
00:01.0 PCI bridge: ATI Technologies Inc RS690 PCI to PCI Bridge (Internal gfx)
(prog-if 00 [Normal decode])
Flags: bus master, 66MHz, medium devsel, latency 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
I/O behind bridge: 00009000-00009fff
Memory behind bridge: f0000000-f01fffff
Prefetchable memory behind bridge: 00000000d0000000-00000000dfffffff
Capabilities: [44] HyperTransport: MSI Mapping Enable+ Fixed+
Capabilities: [b0] Subsystem: ATI Technologies Inc RS690 PCI to PCI
Bridge (Internal gfx)
Kernel modules: shpchp
00:05.0 PCI bridge: ATI Technologies Inc RS690 PCI to PCI Bridge (PCI Express
Port 1) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 0000a000-0000afff
Memory behind bridge: 80000000-800fffff
Prefetchable memory behind bridge: 00000000cfd00000-00000000cfdfffff
:
Anyways, my days of device driver writing are several years old...can anyone
please help with this?
** Attachment added: "screenshot"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/556782/+attachment/1799189/+files/Screenshot.png
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https://bugs.launchpad.net/bugs/556782
Title:
[rs690m] Graphics corruption with ati x1200
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