From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: David Newall <davidn@davidnewall.com>
Cc: Willy Tarreau <w@1wt.eu>,
Harald Dunkel <harald.dunkel@t-online.de>,
Joe Peterson <joe@skyrush.com>,
linux-kernel@vger.kernel.org, Alan Cox <alan@redhat.com>
Subject: Re: 2.6.25.3: su gets stuck for root
Date: Mon, 2 Jun 2008 10:20:33 +0100 [thread overview]
Message-ID: <20080602102033.63e4cd18@core> (raw)
In-Reply-To: <4843B6EE.8080104@davidnewall.com>
On Mon, 02 Jun 2008 18:31:34 +0930
David Newall <davidn@davidnewall.com> wrote:
> Alan Cox wrote:
> > Not really. The task would get suspended if it attempted to change the
> > tty settings while not being session leader. This is part of the POSIX
> > and BSD job control.
>
> I haven't heard about this new restriction, but it begs the observation
> that stty, when forked from a shell (the usual case), is never a session
> leader.
Sorry I mean part of the current session. I was thinking about the
specific case of bash or the ssh->bash setup where the question would be
whether the shell was session leader.
Someone who can dup this needs to instrument it in tty_ioctl really.
Alan
next prev parent reply other threads:[~2008-06-02 9:36 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-02 1:31 2.6.25.3: su gets stuck for root Joe Peterson
2008-06-02 5:12 ` Harald Dunkel
2008-06-02 5:32 ` Willy Tarreau
2008-06-02 5:55 ` Joe Peterson
2008-06-02 8:10 ` Alan Cox
2008-06-02 9:01 ` David Newall
2008-06-02 9:20 ` Alan Cox [this message]
2008-06-02 10:16 ` Vegard Nossum
2008-06-02 10:39 ` Vegard Nossum
2008-06-02 10:52 ` Alan Cox
2008-06-02 10:57 ` Vegard Nossum
2008-06-02 12:28 ` Alan Cox
2008-06-02 14:31 ` Vegard Nossum
2008-06-02 10:50 ` Alan Cox
2008-06-17 15:32 ` Joe Peterson
2008-06-02 15:26 ` Joe Peterson
2008-06-02 15:51 ` Alan Cox
2008-06-02 16:03 ` Joe Peterson
2008-06-04 14:43 ` Joe Peterson
2008-06-04 15:16 ` Alan Cox
2008-06-04 16:52 ` Joe Peterson
2008-06-04 17:10 ` Alan Cox
2008-06-04 20:32 ` Joe Peterson
2008-06-11 14:04 ` Joe Peterson
2008-06-12 11:52 ` Vegard Nossum
2008-06-14 1:49 ` Joe Peterson
2008-06-14 7:45 ` Vegard Nossum
2008-06-14 17:43 ` Joe Peterson
2008-06-14 20:34 ` Vegard Nossum
2008-06-14 20:52 ` Joe Peterson
2008-06-14 21:26 ` Vegard Nossum
2008-06-14 21:34 ` Joe Peterson
2008-07-02 18:03 ` tty session leader issue (was Re: 2.6.25.3: su gets stuck for root) Joe Peterson
2008-07-02 19:21 ` markus reichelt
2008-07-06 14:08 ` Tim Connors
2008-07-06 16:44 ` Alan Cox
2008-07-06 18:49 ` tty session leader issue [cause now known!] " Joe Peterson
2008-06-02 5:42 ` 2.6.25.3: su gets stuck for root Joe Peterson
-- strict thread matches above, loose matches on Subject: below --
2008-05-13 6:17 Harald Dunkel
2008-05-13 6:47 ` Vegard Nossum
2008-05-13 17:43 ` Harald Dunkel
2008-05-13 19:46 ` Willy Tarreau
2008-05-14 4:55 ` Harald Dunkel
2008-05-14 5:46 ` Willy Tarreau
2008-05-14 7:34 ` Vegard Nossum
2008-05-14 17:05 ` Harald Dunkel
2008-05-14 17:17 ` Vegard Nossum
2008-05-14 17:35 ` Alan Cox
2008-05-18 17:56 ` Harald Dunkel
2008-05-18 17:51 ` Alan Cox
2008-05-20 19:01 ` Harald Dunkel
2008-05-20 19:12 ` david
2008-05-20 20:26 ` Harald Dunkel
2008-05-20 20:38 ` Willy Tarreau
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080602102033.63e4cd18@core \
--to=alan@lxorguk.ukuu.org.uk \
--cc=alan@redhat.com \
--cc=davidn@davidnewall.com \
--cc=harald.dunkel@t-online.de \
--cc=joe@skyrush.com \
--cc=linux-kernel@vger.kernel.org \
--cc=w@1wt.eu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.