linux-kernel - Re: [PATCHv2] OMAP: Enable Magic SysRq on serial console ttyOx

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Message-ID: <4D36E7CC.5090303@corscience.de>
Date:	Wed, 19 Jan 2011 14:31:56 +0100
From:	Thomas Weber <weber@...science.de>
To:	"G, Manjunath Kondaiah" <manjugk@...com>
CC:	Govindraj <govindraj.ti@...il.com>,
	Thomas Weber <weber@...science.de>, linux-omap@...r.kernel.org,
	Tony Lindgren <tony@...mide.com>,
	"Govindraj.R" <govindraj.raja@...com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Andrei Emeltchenko <andrei.emeltchenko@...ia.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2] OMAP: Enable Magic SysRq on serial console ttyOx

Am 19.01.2011 14:00, schrieb G, Manjunath Kondaiah:
> On Wed, Jan 19, 2011 at 03:01:39PM +0530, Govindraj wrote:
>> On Wed, Jan 19, 2011 at 2:11 PM, Thomas Weber <weber@...science.de> wrote:
>>> Magic SysRq key is not working for OMAP on new serial
>>> console ttyOx because SUPPORT_SYSRQ is not defined
>>> for omap-serial.
>>>
>>> This patch defines SUPPORT_SYSRQ in omap-serial and
>>> enables handling of Magic SysRq character.
>>>
>>> Signed-off-by: Thomas Weber <weber@...science.de>
>>
>> Looks fine to me.
>>
>> Acked-by: Govindraj.R <govindraj.raja@...com>
> I tried to use SysRq key on minicom after applying this patch, it looks
> like it is not triggering sysrq event.
> 
> Am I missing anything?
> 
> -Manjunath
> --
Hello Manjunath,

Do you have CONFIG_MAGIC_SYSRQ enabled?
Magic SysRq key in Kernel Hacking

I tested it on Devkit8000 (beagle board clone).

Thomas
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