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Re: Cannot re-attach to screen session after screen-4.3.1-r1 to screen-4

From: Martin MOKREJŠ
Subject: Re: Cannot re-attach to screen session after screen-4.3.1-r1 to screen-4.4.0 upgrade
Date: Tue, 11 Apr 2017 16:16:34 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:49.0) Gecko/20100101 Firefox/49.0 SeaMonkey/2.46

Hi Amadeusz,

Amadeusz Sławiński wrote:
> On Tue, 11 Apr 2017 13:44:32 +0200
> Martin MOKREJŠ <address@hidden> wrote:
>> Hi,
>>   does anyone have a clue why I cannot re-attached to my existing screen 
>> sessions after upgrade?
>> I use "screeen -R $ID". What should I check?
>> Thanks,
>> Martin
> Hey,
> yes there is incompatibility between those versions, from release message 
> (
> "Do note that there was fix to screen message structure field
> responsible for $TERM handling, which makes it impossible to attach to
> older versions (hence minor version bump)."
> You can try to attach by using /proc/$SCREENPID/exe -x

I get permission denied. I got some new screen session when I executed it as 
root, but I certainly did not enter my user's session.

I just opened and asked for 
restoring of the 4.3.1-r1 version, at least for a while.

I compiled manually from original tarball but it did not work as I cannot 
specify path to the directory with sockets on the command line.

I have /tmp/screen/S-${username} but self-compiled vanilla screen looked for 
/tmp/uscreens/S-${username}. The Gentoo documentation says 
/var/run/screen/S-${username} and proposes $HOME/.screen/.

Seems easiest is to restore the package for the time being.


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