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From: Olaf Hering <olh@suse.de>
To: Erik Mouw <erik@harddisk-recovery.com>
Cc: Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org, Sachin Sant <sachinp@in.ibm.com>
Subject: Re: [PATCH] Adding ctrl-o sysrq hack support to 8250 driver
Date: Fri, 9 Dec 2005 16:34:33 +0100	[thread overview]
Message-ID: <20051209153433.GB26963@suse.de> (raw)
In-Reply-To: <20051209152530.GE15372@harddisk-recovery.com>

 On Fri, Dec 09, Erik Mouw wrote:

> > 'ctrl o' is currently mapped to 'flush output', see 'stty -a'
> 
> Eww... If you can't use a serial break, why can't you use an
> established control character like ctrl-] (telnet) or [enter]~ (ssh) ?

There are many ways to get to the console session on the HMC. One is
ssh. But maybe this would work somehow.

> If you really want to use ctrl-o, could you make a way that pressing
> ctrl-o twice sends a single ctrl-o to the process attached to the
> console?

Sounds good. Have to check how to handle that. 

> If it is a POWER4-only problem, why isn't there a dependency on
> CONFIG_POWER4 over here? I don't like to have the ctrl-o sysrq stuff
> enabled on my regular PC if it only matters to some rare (in absolute
> numbers) system.

More CONFIG_PPC_PSERIES, the mentioned option is for gcc optimization.

-- 
short story of a lazy sysadmin:
 alias appserv=wotan

  reply	other threads:[~2005-12-09 15:34 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-09 14:05 [PATCH] Adding ctrl-o sysrq hack support to 8250 driver Olaf Hering
2005-12-09 14:10 ` Russell King
2005-12-09 15:13 ` Daniel Jacobowitz
2005-12-09 15:19   ` Olaf Hering
2005-12-09 15:26     ` Daniel Jacobowitz
2005-12-09 15:28       ` Olaf Hering
2005-12-09 15:25 ` Erik Mouw
2005-12-09 15:34   ` Olaf Hering [this message]
2005-12-09 20:47     ` Olaf Hering
2005-12-09 17:08   ` Russell King
2005-12-12 10:03     ` Olaf Hering
2006-01-03 12:44       ` Olaf Hering

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