Ubuntu
nvidia-graphics-drivers-340 package

  1. Bug #1815752
  2. Comment #5

Comment 5 for bug 1815752

Revision history for this message
Jarno Suni (jarnos) wrote : Re: nvidia-340 340.104-0ubuntu0.16.04.1: nvidia-340 kernel module failed to build

I do not see how signing itself would be the cause. That could be tested, if there was linux-image-unsigned-4.4.0-143-generic available in xenial-proposed. However, there are other changes in 4.4.0-143-generic that might be the cause for incompatibility between the kernel and the nvidia driver.