Public bug reported:
Repro steps:
Run the attached script in gnome-terminal. (Requires Python and ffmpeg.)
After the script finishes, try typing in the same terminal. No text will
appear. (The repro is not 100% reliable, so you may have to try the
script multiple times.)
The script spawns a couple of concurrent ffmpeg processes. Their stdin
must be connected to the terminal for the bug to repro. I've tried other
programs in place of ffmpeg which also use stdin, but haven't found any
other repro.
Observed behavior:
Typed text doesn't appear after running the script. However, the
terminal still seems to receive commands. Ctrl+C still works, but
doesn't fix the problem. I have to restart gnome-terminal to fix it.
Expected behavior:
Text input should work normally after the script exits.
Versions:
Ubuntu 14.04.1 LTS
gnome-terminal 3.26.0
Python 3.5.3
ffmpeg 3.4.1-1
x86_64
I also repro'd in gnome-terminal under Arch Linux. (But the Gnome bug
tracker said to file with Ubuntu first, so here we are.) I wasn't able
to repro when using xterm in place of gnome-terminal.
** Affects: gnome-terminal (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "ffmpeg-batch.py"
https://bugs.launchpad.net/bugs/1756952/+attachment/5084281/+files/ffmpeg-batch.py
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https://bugs.launchpad.net/bugs/1756952
Title:
Text invisible after concurrent ffmpeg invocations
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