I installed OpenSuse 12.1 KDE on my ThinkPad T420 and I have bad graphics with ‘Intel Integrated HD Graphics’.
When I move windows or watch movies the picture just slicing in half for fraction of a second.
Could it be some driver I need to install?
My system clean. Except of updates I didn’t install anything.
Make sure desktop effects is off
There are limitations with some Intel Graphics
I have 3 different machines, all different Intel, but all work well
it didn’t help.
Post the output of
/sbin/lspci -nnk
Place it in code tags please
/sbin/lspci -nnk
Output
00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation Core Processor Family DRAM Controller [8086:0104] (rev 09)
Subsystem: Lenovo Device [17aa:21ce]
Kernel driver in use: agpgart-intel
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09)
Subsystem: Lenovo Device [17aa:21ce]
Kernel driver in use: i915
00:16.0 Communication controller [0780]: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a] (rev 04)
Subsystem: Lenovo Device [17aa:21ce]
Kernel driver in use: mei
00:16.3 Serial controller [0700]: Intel Corporation 6 Series/C200 Series Chipset Family KT Controller [8086:1c3d] (rev 04)
Subsystem: Lenovo Device [17aa:21ce]
Kernel driver in use: serial
00:19.0 Ethernet controller [0200]: Intel Corporation 82579LM Gigabit Network Connection [8086:1502] (rev 04)
Subsystem: Lenovo Device [17aa:21ce]
Kernel driver in use: e1000e
00:1a.0 USB Controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d] (rev 04)
Subsystem: Lenovo Device [17aa:21ce]
Kernel driver in use: ehci_hcd
00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20] (rev 04)
Subsystem: Lenovo Device [17aa:21ce]
Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 [8086:1c10] (rev b4)
Kernel driver in use: pcieport
00:1c.1 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 [8086:1c12] (rev b4)
Kernel driver in use: pcieport
00:1c.3 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 [8086:1c16] (rev b4)
Kernel driver in use: pcieport
00:1c.4 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 [8086:1c18] (rev b4)
Kernel driver in use: pcieport
00:1d.0 USB Controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26] (rev 04)
Subsystem: Lenovo Device [17aa:21ce]
Kernel driver in use: ehci_hcd
00:1f.0 ISA bridge [0601]: Intel Corporation QM67 Express Chipset Family LPC Controller [8086:1c4f] (rev 04)
Subsystem: Lenovo Device [17aa:21ce]
00:1f.2 SATA controller [0106]: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller [8086:1c03] (rev 04)
Subsystem: Lenovo Device [17aa:21ce]
Kernel driver in use: ahci
00:1f.3 SMBus [0c05]: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22] (rev 04)
Subsystem: Lenovo Device [17aa:21ce]
Kernel driver in use: i801_smbus
03:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N 6205 [8086:0085] (rev 34)
Subsystem: Intel Corporation Centrino Advanced-N 6205 AGN [8086:1311]
Kernel driver in use: iwlagn
0d:00.0 System peripheral [0880]: Ricoh Co Ltd Device [1180:e823] (rev 05)
Subsystem: Lenovo Device [17aa:21ce]
Kernel driver in use: sdhci-pci
It’s using the same driver as some of my machines
Because you said it happens when moving windows - it kind of ruled out a multi-media problem, but can we assume you have followed this carefully
http://forums.opensuse.org/content/61-re-multi-media-restricted-format-installation-guide.html
Might be worth checking
ThinkWiki
see if there is any help there
The T420 appears to have a Sandy Bridge Intel (HD 3000) graphics. If you believe it is not running optimally you should look inside the /var/log/Xorg.0.log file to see if that provides a clue. Do not post that file contents directly here. If you wish others to look at that file post it on a pastebin site and post the relevant link here.