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garbage at start

From: folkert
Subject: garbage at start
Date: Thu, 13 Feb 2014 13:12:59 +0100
User-agent: Mutt/1.5.21 (2010-09-15)


- I login to a linux system (either from an other linux system or via
- from that one I hop to an other linux system using openssh
- on that 2nd system I open a "screen"-session
- in there I start a program which pipes its output through e.g. less or
- garbage appears on the screen
  I straced the program and this is the result:
ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig -icanon -echo ...}) 
= 0
write(1, "\33(B\33)0\33[?1049h\33[1;41r\33[m\17\33[4l\33[39;49m\33[?1h\33=", 
44) = 44
ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig -icanon -echo ...}) 
= 0
Now this
string appears visible on the terminal (putty, gnome terminal).

Also in the strace logging I found that this string comes from
/lib/terminfo/s/screen so I'm guessing that maybe that string is
incorrect? Or...?

Any pointers would be helpfull.


Folkert van Heusden

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