linux-kernel - Re: shell outputs anything typed when the kernel thinks@...%

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Message-ID: <alpine.LNX.1.00.0803212235130.10642@fbirervta.pbzchgretzou.qr>
Date:	Fri, 21 Mar 2008 22:37:59 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Madhou <madh2001@...il.com>
cc:	linux-kernel@...r.kernel.org
Subject: Re: shell outputs anything typed when the kernel thinks@...%


On Mar 21 2008 22:11, Madhou wrote:
>
> This is a long time annoying misconception i'm reporting here:
>
> When a command is run from a shell and drives the kernel to use 100% of cpu
> for a while, linux lets printing on screen anything that is typed.

[For techies: "But I can type text on the tty even if I run sleep 
1000!"]

Oh yeah wow. It's been like that for what, 15+ years?
This is a shell feature - or bug, depending on how you look at it,
the kernel merely does what the shell did to the tty.
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