Date: Fri, 29 Sep 2017 01:43:41 +0200 From: Bernd Walter <bernd@cicely.de> To: Ian Lepore <ian@freebsd.org> Cc: ticso@cicely.de, Russell Haley <russ.haley@gmail.com>, freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: Dead Serial on Hummingboard? Message-ID: <13335288-6F29-450B-B731-D4DF0975C403@cicely.de> In-Reply-To: <1506636436.31939.34.camel@freebsd.org> References: <CABx9NuQp0ycAUm_=LVUcZJRNV2z5WZAy3MQ=sFfOwRk3s9GVAA@mail.gmail.com> <20170928215257.GC87138@cicely7.cicely.de> <1506636436.31939.34.camel@freebsd.org>
index | next in thread | previous in thread | raw e-mail
> Am 29.09.2017 um 00:07 schrieb Ian Lepore <ian@freebsd.org>: > >> On Thu, 2017-09-28 at 23:52 +0200, Bernd Walter wrote: >>> On Thu, Sep 28, 2017 at 11:25:36AM -0700, Russell Haley wrote: >>> >>> My son was playing on my computer yesterday and I found my >>> hummingboard on the floor this morning. It's not the first time >>> it's >>> hit the ground so I figured it was fine (lights are still on!). >>> >>> I've tried to use the serial connection but it doesn't seem to be >>> transmitting my keyboard input. I can see the kernel output all the >>> way to login but it doesn't respond. ssh to the board works fine >>> through Ethernet, and the ftdi cable works fine on my BBB. I've >>> also >>> tried two different kernels (r324055M, r321601M). >>> >>> There doesn't apear to be any physical damage (solder on the pins >>> looks okay) and I took the heatsink off and inspected the >>> processor. >>> It boots fine after I re-assembled, still no serial input. >>> >>> Any ideas? RIP hummingboard serial? >> Does it output on the serial? >> I'm not up to date with my iMX6 boards, but different boards used >> different >> iMX6 uarts for console port, so chances are that you are just on the >> wrong >> one. >> > > Afaik, all imx6 boards use uart0 for serial console except Boundary > Nitrogen series, which uses uart1. In Russell's case, it was working > fine until the board was dropped on the floor, and then input stopped > working but output is still okay. The marsboard also uses something else - uart1 or 2. Havn¡®t used my Hummingboards yet... > > If it's not a problem with the input coming loose and being reconnected > to the wrong pin on the hummingboard header, then it's hard to imagine > what else the problem could be except a cracked solder joint from the > fall. You might need a microscope (or at least a jeweler's loupe) to > see the damage. Yes - that¡®s unfortunate. But if it is broken he could switch uart. Requires a bit of work though, because uboot has to know.home | help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?13335288-6F29-450B-B731-D4DF0975C403>