A couple of days ago a report surfaced revealing a very weird problem that some owners of the Google Pixel and Pixel XL have been facing. It has to do with the camera, but unlike the lens flare thing that's probably caused by hardware issues, this one looks like it's 100% software-related. That is, in a way, good news, because it means a fix can be implemented through a software update which should make it go away completely. What happens for the affected units is that the camera will randomly show pink and purple vertical lines on the photos and then freeze up. Speaking to...
Source: http://www.gsmarena.com/google_is_aware_of_the_pixel_cameras_freezing_issue_and_working_on_a_solution-news-21970.php