From: Jeff Dike <jdike@addtoit.com>
To: "Fermín Galán Márquez" <fermin.galan@cttc.es>
Cc: UML-user <user-mode-linux-devel@lists.sourceforge.net>
Subject: Re: [uml-devel] [uml-user] Hanging using 'iptables -L' in UML vm booted with con0=pts
Date: Wed, 12 Sep 2007 16:30:02 -0400 [thread overview]
Message-ID: <20070912203002.GA9725@c2.user-mode-linux.org> (raw)
In-Reply-To: <46E85FA0.9040405@cttc.es>
On Wed, Sep 12, 2007 at 11:52:32PM +0200, Fermín Galán Márquez wrote:
> This is the trace (as you can see I're repeated the experiment twice,
> the result is basically the same), hoping it could be useful to diagnose
> the problem and fix eventual bugs in the UML kernel. See below regarding
> the test procedure.
>
> (gdb) bt
> #0 0xb7f9d7f2 in ?? () from /lib/ld-linux.so.2
> #1 0xb7f19ab0 in tcsetattr () from /lib/i686/cmov/libc.so.6
> #2 0x080610d5 in generic_console_write (fd=7,
> buf=0x828fc13 "ip_tables: (C) 2000-2006 Netfilter Core Team\n", n=45)
> at arch/um/drivers/chan_user.c:37
> #3 0x0806096e in console_write_chan (chans=0x82756f0,
> buf=0x828fc13 "ip_tables: (C) 2000-2006 Netfilter Core Team\n", len=45)
> at arch/um/drivers/chan_kern.c:352
Are you capturing UML output with a script or something? This is the
signature of the script not reading from the pty, so everything just
backs up, waiting for the pty to clear up.
Jeff
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next prev parent reply other threads:[~2007-09-12 20:30 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <46DDAD83.4030004@cttc.es>
[not found] ` <20070904214521.GB5417@c2.user-mode-linux.org>
[not found] ` <296838.33596.qm@web52009.mail.re2.yahoo.com>
2007-09-10 15:59 ` [uml-devel] [uml-user] Hanging using 'iptables -L' in UML vm booted with con0=pts Jeff Dike
2007-09-11 14:06 ` Blaisorblade
[not found] ` <46DE8F70.4070404@cttc.es>
[not found] ` <20070910160238.GC14112@c2.user-mode-linux.org>
[not found] ` <46E71F58.6050301@cttc.es>
[not found] ` <46E85FA0.9040405@cttc.es>
2007-09-12 20:30 ` Jeff Dike [this message]
2007-09-13 0:59 ` Fermín Galán Márquez
2007-09-13 17:08 ` Blaisorblade
2007-09-13 21:14 ` [uml-devel] (Solved) " Fermín Galán Márquez
2007-09-18 15:06 ` [uml-devel] (Workarounded) " Paolo Giarrusso
2007-09-19 19:42 ` Fermín Galán Márquez
2007-10-10 14:21 ` David Fernández
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