Re: [screen-devel] timing issue with "-X stuff" command

[Amadeusz Sławiński]

So I tried a bit more and can reproduce it

$ screen -S foo -dm
screen -S foo -X stuff "/path/to/script.sh^M"

No screen session found.

Made a bug for it
https://savannah.gnu.org/bugs/index.php?54164

On Tue, 12 Jun 2018 22:42:44 +0200
Amadeusz Sławiński <address@hidden> wrote:

> Hey,
> 
> can you try if it reproduces with current release (4.6.2)?
> 
> Cheers,
> Amadeusz
> 
> On Tue, 12 Jun 2018 19:13:38 +0200
> Hans Henrik Bergan <address@hidden> wrote:
> 
> > seems like there may be a timing issue with the -X stuff command,
> > 
> > i had a script doing
> > 
> > screen -S foo -dm
> > screen -S foo -X stuff "/path/to/script.sh^M"
> > 
> > and when the system is very busy, sometimes, the 2nd command seems to
> > be completely ignored, there's no indication that anything was
> > written/executed in the screen session,
> > but adding a "sleep 1" in between seems to resolve the issue, which
> > isn't a great solution, but a hacky workaround.. observed on:
> >   
> > > screen --version    
> > Screen version 4.03.01 (GNU) 28-Jun-15  
> > > uname -a    
> > Linux miner1 4.4.0-127-generic #153-Ubuntu SMP Sat May 19 10:58:46 UTC
> > 2018 x86_64 x86_64 x86_64 GNU/Linux  
> > > cat /etc/*release*    
> > DISTRIB_ID=Ubuntu
> > DISTRIB_RELEASE=16.04
> > DISTRIB_CODENAME=xenial
> > DISTRIB_DESCRIPTION="Ubuntu 16.04.4 LTS"
> > NAME="Ubuntu"
> > VERSION="16.04.4 LTS (Xenial Xerus)"
> > ID=ubuntu
> > ID_LIKE=debian
> > PRETTY_NAME="Ubuntu 16.04.4 LTS"
> > VERSION_ID="16.04"
> > HOME_URL="http://www.ubuntu.com/";
> > SUPPORT_URL="http://help.ubuntu.com/";
> > BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/";
> > VERSION_CODENAME=xenial
> > UBUNTU_CODENAME=xenial
> > 
> > 
> > and the CPU is Intel Core i3-7300T, with hyperthreading disabled, and
> > core speed locked to 800MHz
> >   
> 
>