From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Schwab Date: Wed, 03 Mar 2004 10:57:21 +0000 Subject: Re: Fix staircase effect on Altix serial console. Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: linux-ia64@vger.kernel.org jbarnes@sgi.com (Jesse Barnes) writes: > On Tue, Mar 02, 2004 at 06:56:55PM -0800, David Mosberger wrote: >> >>>>> On Wed, 03 Mar 2004 00:49:20 +0100, Andreas Schwab said: >>=20 >> Andreas> Serial console output on Altix didn't convert NL to CRNL. >>=20 >> Somebody from SGI will have to review/OK this. > > Andreas, on which platform and configuration did you see this problem? It's on the 8P Altix (can't remember the exact platform name). > It appears that depending on your console configuration, the system > controller will eat/convert characters. I'm trying to get it fixed > properly there... 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 transform NL to CRNL, which is what I have implemented here. Note that normal serial output (which goes through the tty layer) does not exhibit this problem. Andreas. --=20 Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux AG, Maxfeldstra=DFe 5, 90409 N=FCrnberg, Germany Key fingerprint =3D 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."