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Date:      Sat, 11 Mar 2017 12:49:40 -0500
From:      Shawn Webb <shawn.webb@hardenedbsd.org>
To:        Ian Lepore <ian@freebsd.org>
Cc:        "Jayachandran C." <jchandra@freebsd.org>, Oleksandr Tymoshenko <gonzo@id.bluezbox.com>, freebsd-arm@freebsd.org, Michael Tuexen <tuexen@fh-muenster.de>
Subject:   Re: Odd-looking serial console prompt on RPI2
Message-ID:  <20170311174940.bze4k7ndjdemmu4l@mutt-hbsd>
In-Reply-To: <20170307192918.2garie2ow6lzekg7@mutt-hbsd>
References:  <20170301200112.ymwkfd64tzz5f3b2@mutt-hbsd> <4194F030-4E5C-4EB6-82D7-FD725E3B7CEF@fh-muenster.de> <20170302000334.GA99403@www.zefox.net> <1488419304.60166.26.camel@freebsd.org> <20170302020116.GA98466@bluezbox.com> <1488420309.60166.32.camel@freebsd.org> <CA%2B7sy7Bv=-2mx2MJP18ZnbNp2yO2hKukw=KALn711txaxsk=rg@mail.gmail.com> <1488664965.69705.24.camel@freebsd.org> <20170307190937.r7n45xj67tnhevv4@mutt-hbsd> <20170307192918.2garie2ow6lzekg7@mutt-hbsd>

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On Tue, Mar 07, 2017 at 02:29:18PM -0500, Shawn Webb wrote:
> On Tue, Mar 07, 2017 at 02:09:37PM -0500, Shawn Webb wrote:
> > On Sat, Mar 04, 2017 at 03:02:45PM -0700, Ian Lepore wrote:
> > > The bugs should be fixed as of r314682. ?It looks like the bugs have
> > > long been in the pl011 driver, but were masked by having a fifo depth
> > > of 1 byte -- it all sorta worked by accident previously.
> >=20
> > Thanks for the fix! But it looks to be only partial. When I connect to
> > the serial console via either cu or screen, I don't get corrupted text,
> > but no keypresses are registered. Hitting enter at the login prompt does
> > absolutely nothing. I'm at the latest commit of hardened/current/master
> > on HardenedBSD for both the RPI3 and my laptop.
> >=20
> > I'm using this serial cable from Adafruit:
> > https://www.adafruit.com/product/954
>=20
> It looks like I had a bad cable. Sorry for the line noise. Switching to
> a different cable worked.

Looks like the problem is back, but manifest in a different way.
Screenshot:

https://goo.gl/photos/XYx6v1jCTVCGrnhd6

Thanks,

--=20
Shawn Webb
Cofounder and Security Engineer
HardenedBSD

GPG Key ID:          0x6A84658F52456EEE
GPG Key Fingerprint: 2ABA B6BD EF6A F486 BE89  3D9E 6A84 658F 5245 6EEE

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