“We’ve been looking through the old Pathfinder software. We got duplicate computers up and running for testing. Same computers they used to find a problem that

“We’ve been looking through the old Pathfinder software. We got duplicate computers up and running for testing. Same computers they used to find a problem that almost killed the original mission. Real interesting story, actually; turns out there was a priority inversion in Sojourner’s thread management and—” “Focus, Jack,” interrupted Venkat. Weir, Andy (2014-02-11). The Martian: A Novel (p. 121). Crown/Archetype. Kindle Edition.