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The following reply was made to PR kern/46522; it has been noted by GNATS.
From: Nat Sloss <nathanialsloss%yahoo.com.au@localhost>
Subject: Re: kern/46522
Date: Mon, 4 Jun 2012 01:18:13 +1000
I've found that it only crashes when deleting a screen that has a getty
running on it. Deleting a screen that has no running programmes works.
What is causing the problem is cv_destroy(&tp->t_rawcv) I believe that getty
is waiting on that conditional variable as the crash says that the cv is in
Destroying the other cvs' as found in tty_free works.
I would like to kill the getty before destroying the cvs' but I have no idea
how I've tried sending signals with no success, and I have no idea as to how
to make it wait until the process is killed, but I think this is the source
of the problem.
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