Re: Cygwin 1.7 GNU screen freezing when disconnected

[Karim Ali <khadgar34+cygwin at gmail dot com>]

On Fri, Dec 18, 2009 at 2:36 PM, Game Fan wrote:
> Wanted to see if cygwin 1.7 is released or not and seen your letter. Don't
> need another source of spam so I'm not subscribing to cygwin ML.
> Are you sure it's problem with CygWin? I'm seeing such problems quite often
> on Linux. The story goes like this: background screen process wants to stop
> old foreground process when you are attaching new one to it, but old
> foreground process tries to use PTY which lost it's owner! The lock happens
> somewhere in kernel so old foreground process can not respond (yes, blocking
> API are evil and all that). The solution is simple: find and kill old
> foreground process with "kill -9" and connect to screen again.

I got this email today off-list. As suggested, killing the program
that's running inside screen does make it reattachable, but this
doesn't really seem like a real solution to me, since usually I want
to see some state that was in screen.

Also, I do use Linux sometimes, and the steps I ran doesn't cause
screen to freeze there.

Thanks,
Karim

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