From mboxrd@z Thu Jan 1 00:00:00 1970 From: jbarnes@sgi.com (Jesse Barnes) Date: Wed, 03 Mar 2004 17:19:37 +0000 Subject: Re: Fix staircase effect on Altix serial console. Message-Id: <20040303171936.GC2026@sgi.com> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Wed, Mar 03, 2004 at 11:57:21AM +0100, Andreas Schwab wrote: > The system controller should not change the output in any way. It's the > job of the serial console write function (which is used for printk) to Right, but I think our L2 system controller *does* molest the output (and the 2.6 console driver relies on this behavior). I've filed a bug with our system controller group to make the behavior of the L2 and L1 system controllers consistent (I believe you're using an L1), which I think is the proper fix. Thanks, Jesse