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Date: Sun, 29 Nov 2015 04:30:37 +0200 From: Andy Shevchenko <andy.shevchenko@...il.com> To: Masahiro Yamada <yamada.masahiro@...ionext.com> Cc: "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Peter Hurley <peter@...leysoftware.com>, Rob Herring <robherring2@...il.com> Subject: Re: The console log is doubled if earlycon is enabled On Fri, Nov 27, 2015 at 12:21 PM, Masahiro Yamada <yamada.masahiro@...ionext.com> wrote: > Hi, > > > If I add "earlycon" to the kernel parameter, the log message > on the earlycon is also displayed to the regular console. > In other words, the same log messages are displayed twice. > > I noticed this problem on v4.4-rc1. > It has not been fixed in the mainline yet, I think. > > Anybody who has a clue? > (I have not done git-bisect yet.) Does adding the following line in drivers/tty/serial/8250/8250_early.c:: early_serial8250_setup() fix the issue? device->con->flags &= ~CON_PRINTBUFFER; -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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