linux-kernel - Re: Problem with multiple hvc consoles via virtio-console

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Message-ID: <20100326050109.GK8111@amit-x200.redhat.com>
Date:	Fri, 26 Mar 2010 10:31:09 +0530
From:	Amit Shah <amit.shah@...hat.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	linuxppc-dev@...abs.org,
	Virtualization List <virtualization@...ts.linux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: Problem with multiple hvc consoles via virtio-console

On (Wed) Mar 24 2010 [21:04:08], Amit Shah wrote:
> Hello,
> 
> When multiple hvc console ports are initialised and used via the
> virtio_console driver, I can interact with only the first console, the
> 2nd one doesn't respond.
> 
> If I call hvc_kick() even if hvc_poll() returns 0, the 2nd console
> becomes responsive.

Actually it's not that fancy: if I login to the first console (hvc0) and
then spawn another one (hvc1), I can't login into hvc1. If I spawn hvc1
before logging into hvc0, I can work with both.

		Amit
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