HP Workstation xw6000 HP Workstations for Linux - User Guide - Page 20

Troubleshooting, Framelock/ Genlock - manual

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NOTE: Use of this feature may reduce the life of the graphics card. ● Framelock/ Genlock-Genlock is commonly used in video post-production, nonlinear editing (NLE), and broadcast studios. Its ensures that workstation graphics output is locked (LOCK) to an externally generated (GEN) signal. This guarantees that the studio's devices (cameras, videotape recorders, or character or title generators) work together effectively. Frame lock uses hardware to synchronize the frames on each display in a connected system. When graphics and video are displayed across multiple monitors, framelocked systems help maintain image continuity to create a virtual canvas. Frame lock is especially critical for stereo viewing, where the left and right fields must be in sync across all displays. Troubleshooting When editing an xorg.conf or XF86Config X server configuration file, know that each time the X server is started it writes out the /var/log/Xorg.0.log or /var/log/XFree86.0.log log file. If the results are not as expected, or the X server fails to start, check this log file. The X server and OEM accelerated drivers write configuration confirmations, warnings, and errors to this file. Most often you can resolve configuration issues based simply on output in the log file. If you want additional X server debugging output, start the X server manually with a request for verbose logging: X -logverbose 6 -s -ac 0 :0 This example outputs a level 6 detailed set of messages into the /var/log/Xorg.0.log file. For technical support of Nvidia drivers, use the /usr/bin/nvidia-bug-report.sh system profiling utility. This utility generates nvidia-bug-report.log-a comprehensive report to further diagnose configuration issues. 16 Chapter 4 Linux graphics for HP workstations ENWW

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NOTE:
Use of this feature may reduce the life of the graphics card.
●
Framelock/ Genlock
—Genlock is commonly used in video post-production, nonlinear editing
(NLE), and broadcast studios. Its ensures that workstation graphics output is locked (LOCK) to an
externally generated (GEN) signal. This guarantees that the studio’s devices (cameras, videotape
recorders, or character or title generators) work together effectively.
Frame lock uses hardware to synchronize the frames on each display in a connected system. When
graphics and video are displayed across multiple monitors, framelocked systems help maintain
image continuity to create a virtual canvas. Frame lock is especially critical for stereo viewing,
where the left and right fields must be in sync across all displays.
Troubleshooting
When editing an xorg.conf or XF86Config X server configuration file, know that each time the X server
is started it writes out the /var/log/Xorg.0.log or /var/log/XFree86.0.log log file. If the results are not as
expected, or the X server fails to start, check this log file. The X server and OEM accelerated drivers
write configuration confirmations, warnings, and errors to this file.
Most often you can resolve configuration issues based simply on output in the log file. If you want
additional X server debugging output, start the X server manually with a request for verbose logging:
X -logverbose 6 -s -ac 0 :0
This example outputs a level 6 detailed set of messages into the /var/log/Xorg.0.log file.
For technical support of Nvidia drivers, use the /usr/bin/nvidia-bug-report.sh system profiling utility. This
utility generates nvidia-bug-report.log—a comprehensive report to further diagnose configuration
issues.
16
Chapter 4
Linux graphics for HP workstations
ENWW