Public bug reported:
Once upgraded to 13.04 from 12.10, screen showed random colored pixels
or repeating patterns of what looked like portions of the ubuntu
desktop.
Steps tried to resolve
* Clean install of 12.10, immediate upgrade to 13.04
*Clean install directly from 13.04 USB drive (After showing the
keyboard-accessibility screen, the live cd had same screen problems).
I can access the console through safe-mode.
Problem does not exist in Ubuntu 12.04 or 12.10.
lspci:
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor
DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen
Core processor Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series
Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family
USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family
High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 1 (rev b5)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 2 (rev b5)
00:1c.2 PCI bridge: Intel Corporation 82801 PCI Bridge (rev b5)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family
USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation H61 Express Chipset Family LPC Controller
(rev 05)
00:1f.2 IDE interface: Intel Corporation 6 Series/C200 Series Chipset Family 4
port SATA IDE Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus
Controller (rev 05)
00:1f.5 IDE interface: Intel Corporation 6 Series/C200 Series Chipset Family 2
port SATA IDE Controller (rev 05)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI
Express Gigabit Ethernet controller (rev 06)
02:00.0 USB controller: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host
Controller
03:00.0 USB controller: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host
Controller
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: 13.04 graphics intel upgrade-software-version
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https://bugs.launchpad.net/bugs/1174407
Title:
Graphics problem after upgrading to 13.04
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