From mboxrd@z Thu Jan 1 00:00:00 1970 From: alan@linux.intel.com (Alan Cox) Date: Thu, 24 Jun 2010 14:34:26 +0100 Subject: Regression in next-20100618 In-Reply-To: References: Message-ID: <20100624143426.083f49e9@linux.intel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, 24 Jun 2010 14:17:51 +0200 Linus WALLEIJ wrote: > Looping in linux-arm-kernel in case there are more people having > this regression on -next since 20100618. > > I verified that the regression also appears on U300, and I > suspect all platforms using PL011 to suffer from it, including > Versatile, RealView and SPEAr for example. > > Symptom: garbage characters at TTY prompt after boot. > > Trying to figure out what is causing this but failing :-/ I know what the problem is - I've just not yet had time to fix it (or a stable electricity supply this afternoon). The serial layer doesn't cope with the fact the tty_port code manages the active flag so needs to switch to its own - and clear it in ->shutdown/set it in open Alan