On Fri 01 Feb 2019 at 20:07, Paul Eggert <eggert@cs.ucla.edu> wrote:

> +A few versions of the Linux kernel have timer bugs that break CPU
> +profiling; see Bug#34235.  To fix the problem, upgrade to kernel
> +versions 4.19.19 or 4.20.6, or later.
> +
>  *** GNU/Linux: Process output is corrupted.
>
>  There is a bug in Linux kernel 2.6.10 PTYs that can cause emacs to

Hi all - 

Thanks for all the work uncovering this one! I upgraded to
linux-4.14.97, which did solve the issue.

Thanks again!
Alex