kern/179530: [syscons] tty gets unresponsive when in scrolling mode and shell killed

[Jilles Tjoelker]

The following reply was made to PR kern/179530; it has been noted by GNATS.

From: Jilles Tjoelker <jilles at stack.nl>
To: bug-followup at FreeBSD.org, gedimitr at gmail.com
Cc:  
Subject: Re: kern/179530: [syscons] tty gets unresponsive when in scrolling
 mode and shell killed
Date: Fri, 14 Jun 2013 17:16:23 +0200

 In FreeBSD PR 179530, you wrote:
 > How-To-Repeat:
 > 1. Log into a virtual console
 > 2. Press scroll lock
 > 3. Press some non-special keys, e.g. asdfas
 > (Nothing is printed in scrolling mode, but the keystrokes are buffered)
 > 4. Kill the shell that is using this tty
 > 5. Press scroll lock to exit scrolling mode
 > 6. tty remains hanging
 
 I can reproduce this. The login [pam] process gets stuck in state IEs
 wchan ttyout (while closing the tty).
 
 -- 
 Jilles Tjoelker