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Artifacts Appear on the GUI of the RHEL 6U2 and RHEL 6U3 OSs

Publication Date:  2015-06-19 Views:  210 Downloads:  0
Issue Description
Hardware configuration:

Software configuration:
RHEL 6U2 64-bit


At a site, when the customer installs the RHEL 6U2 64-bit operating system (OS) on the BH620, artifacts appear on the screen. After the installation is complete, artifacts still appear on the desktop, as shown in Figure 1.

Figure 1 Desktop artifacts

Handling Process
Solution 1 (the OS is being installed):

Select Install system with basic video driver during OS installation, as shown in Figure 2. No artifacts appear during OS installation and after the installation.

Figure 2 Selecting an Installation mode

Solution 2 (the OS is installed):

Use the VESA video card driver to replace the XGI video card driver as follows:

1.  Run vi /etc/X11/xorg.conf on the terminal to create the xorg.conf file, as shown in Figure 3.

Figure 3 Creating a file

2.  In the text editor, press Insert and add the following information.

Section "Device"
                Identifier "Videocard 0"
                Driver "vesa"

Press Esc, enter :wq, and press Enter to save the configurations and exit, as shown in Figure 4.

Figure 4 Text editor

3.  Run init 3 on the terminal to switch to the text interface, as shown in Figure 5 and Figure 6.

Figure 5 Switching to the text interface

Figure 6 Text interface

4.  Log in to the system and run init 5 to restart the GUI, as shown in Figure 7 and Figure 8.

Figure 7 Restarting the GUI

Figure 8 GUI

Root Cause
The XGI driver provided by the RHEL 6U2 and RHEL 6U3 OSs does not properly support Z9s video cards, so artifacts appear on the graphical user interface (GUI).