From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robin Holt Date: Wed, 03 Mar 2004 12:46:32 +0000 Subject: Re: Fix staircase effect on Altix serial console. Message-Id: <20040303124632.GA21281@lnx-holt> 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 On Wed, Mar 03, 2004 at 11:57:21AM +0100, Andreas Schwab wrote: > jbarnes@sgi.com (Jesse Barnes) writes: >=20 > > 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? >=20 > It's on the 8P Altix (can't remember the exact platform name). >=20 Are you seeing the missing carriage return on output at the L1 or on a terminal connected to the serial port? > > It appears that depending on your console configuration, the system > > controller will eat/convert characters. I'm trying to get it fixed > > properly there... >=20 > 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. >=20 > Andreas. >=20 > --=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." > - > To unsubscribe from this list: send the line "unsubscribe linux-ia64" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html