Re: misc/56223: Compilation as root for various pkgsrc packages screws up the console

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR misc/56223; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: misc/56223: Compilation as root for various pkgsrc packages
 screws up the console
Date: Fri, 4 Jun 2021 17:23:14 +0000

 On Fri, Jun 04, 2021 at 05:20:01PM +0000, David H. Gutteridge wrote:
  >    For me, it simply isn't displaying. It's not wedged, it will still
  >    accept and run commands, it's just the display is lost. Typing "exit"
  >    gets me back to a visible login prompt.
 
 Does typing echo <esc>c (to reset the terminal) fix it? (I'd expect so)
 
  >    >(c) is it repeatable and is there a specific package it's linked to,
  >    >or is it e.g. the result of scrolling a lot or too quickly? Might be
  >    >interesting to check if e.g. uuencode /netbsd /netbsd and letting that
  >    >scroll triggers it.
  >  
  >    It's reproducible for me by building anything that causes GCC to use
  >    particular escape codes for formatting warning messages. E.g., it's
  >    easily reproducible by typing "make package" in x11/xscreensaver. It is
  >    also reproducible by capturing the output of one of those builds using
  >    script(1), then using cat(1) to display it on the console. When it hits
  >    particular escape codes, the display goes blank.
 
 Do you know which ones? That seems like the next step...
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost