From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by ozlabs.org (Postfix) with ESMTP id D92CFB7CEF for ; Fri, 26 Mar 2010 16:03:02 +1100 (EST) Date: Fri, 26 Mar 2010 10:31:09 +0530 From: Amit Shah To: Benjamin Herrenschmidt Subject: Re: Problem with multiple hvc consoles via virtio-console Message-ID: <20100326050109.GK8111@amit-x200.redhat.com> References: <20100324153408.GB18581@amit-x200.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20100324153408.GB18581@amit-x200.redhat.com> Cc: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org, Virtualization List List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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