Some Mac Pro users have noticed that after updating their systems to OS X 10.9.3, their systems are showing significant graphical artifacts that can impact their work in video editing software packages, especially when exporting video files.
For affected systems, in some cases pink and green lines may be embedded in exported video files, and in other cases the exporting process may stall out and not complete properly. Either way, this issue appears to be a compatibility problem with the drivers for the AMD video chipset in the new Mac Pro, and various popular video editing software packages.
This issue is being looked into by Apple engineers, so a fix may be supplied soon in a supplemental update to OS X 10.9.3. Meanwhile, there are several things you can do to work around this problem.
- Use Software renderingWhile this may take a while longer to do, if your video editing program supports software rendering during exporting, then use this as it will avoid the use of the GPU and result in a proper video file. Unfortunately the trade-off here is that this will take significantly longer to export the file. Consult your program’s developer or help documentation to see if this is a feature.
- Restore 10.9.2 from a backup.
- Reinstall OS XIf you do not have a backup, then you can boot to the Recovery HD partition and then reinstall OS X. This will start you from the version of OS X Mavericks that came with your Mac, and then allow you to update to version 10.9.2 using Apple’s standalone Combo updater. Do not use Software Update, as this will reinstall the problematic 10.9.3 version.