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Re: problem with GNU screen solved
- From: Andrew Schulman <schulman dot andrew at epamail dot epa dot gov>
- To: cygwin at cygwin dot com
- Date: Wed, 23 Nov 2011 06:17:36 -0500
- Subject: Re: problem with GNU screen solved
- References: <20111123051000.GA3194@chomsky.local>
> I just wanted to pass this along... I was having problems with screen
> a couple months ago. I would get an error saying "chown tty: No such
> file or directory" and then it would fail (see
> Paul Hebble was kind enough to write me off-list with a fix. After
> applying the patch that comes with the source package, I made the
> following simple change to config.h:
> #define PTYROFS
> These comments come from config.h:
> * Note, screen is unable to change mode or group of the pty if it
> * is not installed with sufficient privilege. (e.g. set-uid-root)
> * define PTYROFS if the /dev/pty devices are mounted on a read-only
> * filesystem so screen should not even attempt to set mode or group
> * even if running as root (e.g. on TiVo).
> This solved my problem. Now I'm curious why some see this problem but
> others don't. Some sort of privilege issue that is setup dependent?
> Anyway, I hope the package maintainer will find this useful.
Thanks Jeff, for posting the solution. I'll look at that when I can to
figure out whether it should be enabled by default. I don't know much
about ptys though - maybe someone who knows more could comment? Andrew.
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