Date: Wed, 30 Dec 2015 15:36:41 -0800 From: Tim Kientzle <tim@kientzle.com> To: Martin Birgmeier <la5lbtyi@aon.at> Cc: freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: Booting a RPI 1 B+ Message-ID: <C848956A-978D-4F93-AA0B-971908402A69@kientzle.com> In-Reply-To: <56840940.20709@aon.at> References: <56840940.20709@aon.at>
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> On Dec 30, 2015, at 8:41 AM, Martin Birgmeier <la5lbtyi@aon.at> wrote: >=20 > I have prepared a (16 GB) micro SDHC card from > = ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/arm/armv6/ISO-IMAGES/10.2/Free= BSD-10.2-STABLE-arm-armv6-RPI-B-20151229-r292855.img.xz > (i.e., dd'd the 480 MB to the card). >=20 > I have a barebones RPI 1 B+ into which I insert the card. The only > available connection is via Ethernet, i.e., no monitor, no keyboard, = no > serial. >=20 > After applying power something seems to happen in that after a while, > the Ethernet LEDs on the RPI blink in a way typical for Ethernet. > However, that's it, specifically my DHCP server never receives a > request, nor does the RPI in any way become accessible via Ethernet. = In > fact, not a single Ethernet frame reaches the DHCP server (checked via > tcpdump). >=20 > After shutting down and doing a binary comparison of the card's = contents > with the image, there are very few changes; mounting the image and the > card and then doing a diff -r shows no differences at all. The > filesystem on the card also has not been resized. >=20 > The RPI runs its original Linux fine. >=20 > Any pointers as to what is going on? You should consider getting a USB serial adapter cable such as: http://adafru.it/954 This will let you see the earliest boot messages and any errors that may = be appearing. As others have mentioned, it's worth trying different SDHC cards, since = the SD drivers do not seem to be compatible with all cards. Tim
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