From: Andrew Morton <akpm@osdl.org>
To: Joe Korty <kortyads@mindspring.com>
Cc: roland@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: waitid breaks telnet
Date: Tue, 30 Nov 2004 20:27:30 -0800 [thread overview]
Message-ID: <20041130202730.6ceab259.akpm@osdl.org> (raw)
In-Reply-To: <5.1.0.14.2.20041130225221.009d1340@pop.mindspring.com>
Joe Korty <kortyads@mindspring.com> wrote:
>
> [ 2nd send, this one from my home email account...]
>
> telnet no longer works:
>
> # chkconfig telnet on
> # telnet localhost
> Trying 127.0.0.1...
> Connected to localhost (127.0.0.1).
> Escape character is '^]'.
> Red Hat Enterprise Linux WS release 3 (Taroon Update 2)
> Kernel 2.6.10-rc2 on an i686
> Connection closed by foreign host.
>
> A bsearch placed the bug between 2.6.9-rc1-bk[78], another
> bsearch on the changesets showed the problem is caused
> by this patch:
>
> roland@redhat.com[torvalds]|ChangeSet|20040831173525|30767
> [PATCH] waitid system call
>
> My guess is, something about the new wait4(2) wrapper
> is causing the telnet daemon to declare success before
> its child, /bin/login, exits.
I can reproduce this on 2.6.10-rc2, but it seems to have been fixed in more
recent kernels. However I cannot think of anything which we did which
would have fixed this.
next prev parent reply other threads:[~2004-12-01 4:28 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-01 3:55 waitid breaks telnet Joe Korty
2004-12-01 4:27 ` Andrew Morton [this message]
2004-12-01 13:32 ` Joe Korty
2004-12-01 19:20 ` Roland McGrath
2004-12-01 19:41 ` Andrew Morton
2004-12-01 22:30 ` Joe Korty
2004-12-01 22:49 ` Joe Korty
2004-12-01 23:22 ` Joe Korty
2004-12-01 23:58 ` Roland McGrath
2004-12-02 17:54 ` Joe Korty
2004-12-02 22:39 ` [PATCH] fix uninitialized variable in waitid(2) Joe Korty
2004-12-02 22:51 ` Andrew Morton
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