Bryce Schober (bryce-schober): I had a very similar issue, but on 16.04
and wanting gcc-7. Adding the the toolchain ppa made gcc-5 subject to
upgrading, triggering this issue. I managed to deal with it with package
pinning and aptitude (see comment 58).
Here are a few more details if in case you
The version in the toolchain ppa currently does not match the "retpoline"
changes in the new kernel ( see discussion above), so should not be used to
compile modules. Which is a pain if you still want to use a newer gcc
alongside for other purposes, because adding the ppa upgrades the default
gcc.
That was it Jay Flory! I too had a different version of gcc in my 16.04
installation (an upgrade I got from the ubuntu-toolchain-r ppa, which I
used in order to test something with gcc-7).
I use Timeshift, so I was able to go back to before adding the ppa.
Upgrading normally from that point,
Same thing here on 16.04, with nvidia driver 384.111.
Kernel 4.4.0-112: no problems
kernel 4.4.0-116: Low res and can't login on graphical mode.
I have tried to uninstall and reinstall nvidia drivers to no effect.
I did a diff for dmesg output on both cases. The relevant bits are:
> Spectre
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