From: Jim Crilly <jim@why.dont.jablowme.net>
To: "Haar János" <djani22@netcenter.hu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: How to send a break?
Date: Sat, 27 May 2006 19:43:51 -0400 [thread overview]
Message-ID: <20060527234350.GA13881@voodoo.jdc.home> (raw)
In-Reply-To: <01b701c6818d$4bcd37b0$1800a8c0@dcccs>
On 05/27/06 02:58:44PM +0200, Haar János wrote:
> Hello, list,
>
> I wish to know, how to send a "BREAK" to trigger the sysreq functions on the
> serial line, using echo.
>
> I mean like this:
>
> #!/bin/bash
> echo "?BREAK?" >/dev/ttyS0
> sleep 2
> echo "m" >/dev/ttyS0
>
Is there a reason you can't use "echo -n m > /proc/sysrq-trigger"?
Jim.
next prev parent reply other threads:[~2006-05-27 23:44 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-27 12:58 Haar János
2006-05-27 23:43 ` Jim Crilly [this message]
2006-05-28 7:04 ` How to send a break? - dump from frozen 64bit linux Haar János
2006-05-28 16:17 ` Jesper Juhl
2006-05-28 17:34 ` Haar János
2006-05-29 4:37 ` Jesper Juhl
2007-08-20 7:44 ` Andev Debi
2006-05-30 10:22 ` Janos Haar
2006-05-30 19:03 ` Valdis.Kletnieks
2006-05-30 21:44 ` Janos Haar
2006-05-31 1:20 ` Steven Rostedt
2006-05-31 4:38 ` XFS related hang (was Re: How to send a break? - dump from frozen 64bit linux) Nathan Scott
2006-05-31 8:00 ` Janos Haar
2006-05-31 21:54 ` Jan Engelhardt
2006-06-01 7:29 ` Janos Haar
2006-06-01 9:44 ` Jan Engelhardt
2006-06-01 22:04 ` Nathan Scott
2006-06-02 5:11 ` Jan Engelhardt
2006-06-01 21:58 ` Nathan Scott
2006-06-01 22:14 ` Janos Haar
2006-06-01 23:43 ` Nathan Scott
2006-06-02 8:01 ` Janos Haar
2006-05-28 23:06 ` How to send a break? H. Peter Anvin
2006-05-29 15:08 ` linux-os (Dick Johnson)
2006-05-29 15:35 ` Valdis.Kletnieks
2006-05-29 17:32 ` Haar János
2006-05-29 7:51 Haar János
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