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From: Ruslan Ermilov <ru@FreeBSD.org>
Date: Mon, 6 Nov 2006 19:06:07 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/sys/dev/syscons syscons.c
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ru          2006-11-06 19:06:07 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/syscons      syscons.c 
  Log:
  Sometimes the vty switching has to be delayed; the vty
  to be switched to is saved in sc->delayed_next_scr and
  the actual switch is performed later.  It was possible
  to get into the endless loop when attempting to switch
  to a closed vty (which is not allowed and beep-alerted
  when attempted) and when the visual beep was in effect.
  This caused sc->delayed_next_scr to never be reset and
  endless attempts to switch to a closed vty and endless
  visual beeping.  How to repeat:
  
  - boot into single-user
  - run "kbdcontrol -b visual"
  - quickly press Alt+F2 two times
  
  PR:             kern/68016
  X-MFC after:    6.2-RELEASE
  
  Revision  Changes    Path
  1.449     +1 -1      src/sys/dev/syscons/syscons.c