Devuan logs - #209, boring messages


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X-Loop: owner@bugs.devuan.org
Subject: bug#209: ASCII: Default config in ~/.bash_logout crashes X server
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From: Michael Siegel <msi@malbolge.net>
Message-ID: <fce8085e-c24a-2280-50ef-16b098cf6b64@malbolge.net>
Date: Sun, 13 May 2018 23:42:09 +0200
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Package: bash
Version: 4.4-5

When running X on VT1 and another user session (CLI) on VT2, logging out
on VT2, will either

  * crash the X server running on VT1, leaving you with a functional CLI
or
  * leave you with a blank screen and an apparently frozen-up system
    once you switch back to VT1

Running X with setuid root does not make any difference here. But if the
user on VT2 is root, X on VT1 will not crash when logging out on VT2.

In a discussion on Debian's IRC channel, I've been informed that this
problem is caused by the default configuration in ~/.bash_logout, which
looks like this:

  # ~/.bash_logout: executed by bash(1) when login shell exits.

  # when leaving the console clear the screen to increase privacy

  if [ "$SHLVL" = 1 ]; then
      [ -x /usr/bin/clear_console ] && /usr/bin/clear_console -q
  fi

Commenting out the if statement (or just deleting the file) will cure
the problem.

The culprit here is clear_console. Running /usr/bin/clear_console from
VT2 in the scenario described above will result in the same problems you
get when logging out.

fsmithred has also found that this problem does not occur on D-Bus-free
installations (with the above config in place).


msi


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X-Loop: owner@bugs.devuan.org
From: owner@bugs.devuan.org (Devuan bug Tracking System)
To: Michael Siegel <msi@malbolge.net>
Subject: bug#209: Acknowledgement (ASCII: Default config in ~/.bash_logout crashes X server)
Message-ID: <handler.209.B.15262482061967.ack@bugs.devuan.org>
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Reply-To: 209@bugs.devuan.org

Thank you for the problem report you have sent regarding Devuan.
This is an automatically generated reply, to let you know your message has
been received.  It is being forwarded to the developers mailing list for
their attention; they will reply in due course.

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Devuan Bugs Owner
(administrator, Devuan bugs database)


Message sent to devuan-bugs@lists.dyne.org, owner@bugs.devuan.org:


X-Loop: owner@bugs.devuan.org
Subject: bug#209: Debian changelog for Bash in Stretch
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From: Michael Siegel <msi@malbolge.net>
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The Debian changelog for the package of Bash in Stretch includes:

  bash (4.4-3) unstable; urgency=medium

    * Apply upstream patches 006 - 007.
    * clear_console: Securely erase the current console. Closes:
      #845177.
    * Mark locales and time build dependencies with <!nocheck>.
      Closes: #838201.
    * Don't configure with --with-curses. Closes: #794588.

   -- Matthias Klose <doko@debian.org>  Fri, 20 Jan 2017 11:52:59 +0100


msi


Message sent:


X-Loop: owner@bugs.devuan.org
From: owner@bugs.devuan.org (Devuan bug Tracking System)
To: Michael Siegel <msi@malbolge.net>
Subject: bug#209: Info received (was Debian changelog for Bash in Stretch)
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Thank you for the additional information you have supplied regarding
this problem report.  It has been forwarded to the developer(s) and
to the developers mailing list to accompany the original report.

Your message has been sent to the package maintainer(s):
 owner@bugs.devuan.org

If you wish to continue to submit further information on your problem,
please send it to 209@bugs.devuan.org, as before.

Please do not reply to the address at the top of this message,
unless you wish to report a problem with the bug-tracking system.

Devuan Bugs Owner
(administrator, Devuan bugs database)


Devuan BTS -- Powered by Debian bug tracking system
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Devuan Bugs Owner <owner@bugs.devuan.org>.
Last modified: Sun, 5 Jul 2020 14:39:01 UTC