I'm also on Stealth late 2016 (QHD). So far, I survived using i915.enable_rc6=0 until that parameter was removed from newer kernels, then I switched to using intel_idle.max_cstate=4. I still wish someone would find the real root cause of this issue.
Today, I noticed the flickering stops completely when I do "rmmod nvme" (booted into usb live ubuntu). Anyone knows how these 2 drivers can possibly affect each-other? The flickering also temporarily stops while I'm writing a disk image to the nvme ssd. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1739936 Title: Screen flickering on Razer Blade Stealth (Late 2017) - [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1739936/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs