Date: Thu, 24 Mar 2016 22:29:25 -0700 From: Russell Haley <russ.haley@gmail.com> To: Ian Lepore <ian@freebsd.org> Cc: Daniel Braniss <danny@cs.huji.ac.il>, freebsd-arm <freebsd-arm@freebsd.org>, Ilya Bakulin <ilya@bakulin.de> Subject: Re: about netbooting on armv6 [was: Fwd: SDIO Patch D4761.diff Not Building For Me] Message-ID: <CABx9NuTjn36g1UjhjDEq9nLWXhivUfQsRG3S-OsWC9YF-Cn%2B9A@mail.gmail.com> In-Reply-To: <1458849328.1091.56.camel@freebsd.org> References: <CABx9NuRq4ZKrHEPkf%2BNRLxjdg9e%2B=FHUfi_7Q4HrRT4C_oMNQg@mail.gmail.com> <b85f676d6c1150e8e7384433f7983f7b@bakulin.de> <CABx9NuTEiOPEH6JaU-HDgvPwRSu_CTYb7643fV=10AY6uiyRkQ@mail.gmail.com> <ce69cba9e622e8ea5048d012d65e4908@bakulin.de> <CABx9NuT8Fc6JvAD75vaijAQ2C8%2BKuY0Yw4BENcrhYAMP4fqWnw@mail.gmail.com> <CABx9NuS9%2BEWVFV8jfpcYc2OEe7%2BUWfa4uGiQ7vg7_RPXxNnhzQ@mail.gmail.com> <CABx9NuQuDVOZJt7%2B%2BK0cY%2B7oDLRkhrWmZ5WoNqFdTEMhZ0zQQQ@mail.gmail.com> <CABx9NuRXWEY%2BsBQN==q5YSaPU0f-o_pLQCpQOw1e32w=R0nPsg@mail.gmail.com> <CABx9NuSMK-X%2BvzTBH4bVsFLDFwWuF49t5JU7mzqVErDOMXGEzA@mail.gmail.com> <5432b449f37a481bc7099fbab25fbd2e@bakulin.de> <CABx9NuQKTFWUoTr2ufXANDo6C2AwLiYC7wd_5wSUg9J7M1Rofg@mail.gmail.com> <CABx9NuRTao6YhdzKPONwKgzfeAN80UmQ060QTf%2Buv18gkHogtg@mail.gmail.com> <CABx9NuSaWNX3qEwmGdpez-qf8GEjH4%2Bvd3y9tuR1ogZBDzsAng@mail.gmail.com> <a4a95b7a9617eea06212c50ec23bf5cc@bakulin.de> <CABx9NuQLbWjK8DfBLPDcRX9Bb1MY5Bk=TRDW_Fx63uP9orT2Og@mail.gmail.com> <1458751414.1091.47.camel@freebsd.org> <D20A4045-E834-433A-8AC7-8029C978C7C0@cs.huji.ac.il> <1458849328.1091.56.camel@freebsd.org>
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On Thu, Mar 24, 2016 at 12:55 PM, Ian Lepore <ian@freebsd.org> wrote: > On Thu, 2016-03-24 at 10:00 +0200, Daniel Braniss wrote: >> > On 23 Mar 2016, at 18:43, Ian Lepore <ian@FreeBSD.org> wrote: >> > >> > On Wed, 2016-03-23 at 09:09 -0700, Russell Haley wrote: >> > > On Wed, Mar 23, 2016 at 4:00 AM, Ilya Bakulin <ilya@bakulin.de> >> > > wrote: >> > > > On 2016-03-23 06:16, Russell Haley wrote: >> > > > > >> > > > > Hi Ilya, >> > > > > >> > > > > Mixed success tonight. I tried to install the kernel but got >> > > > > an >> > > > > error: >> > > > >> > > > >> > > > You should give MODULES_OVERRIDE=3D to installkernel as well. >> > > > >> > > Great, Thank you. >> > > > > >> > > > > Well, it booted the kernel and then spewed output and >> > > > > eventually >> > > > > ended >> > > > > with a failed DHCP request (?). Here is the pastebin of said >> > > > > output. >> > > > > >> > > > >> > > > I never copy the newly built kernel to the SD card. >> > > > Instead I configure U-Boot+ubldr to boot kernel from TFTP and >> > > > mount >> > > > root >> > > > over NFS, it's much faster and it's impossible to crash >> > > > filesystem >> > > > if the >> > > > kernel crashes. >> > > > I guess you should set ROOTDEVNAME manually in the kernel >> > > > config >> > > > file and >> > > > disable NFSCLIENT-related options. >> > > >> > > Thanks for this advice. I have had something similar working >> > > before >> > > (I >> > > had rootfs on USB) so should be able to get that running this >> > > weekend >> > > >> > > > From your boot log it's clear that the system boots and probes >> > > > SD >> > > > cards. >> > > >> > > Yes, very exciting to see!!! I will be looking to try and match >> > > debug >> > > output with code paths asap. >> > > >> > > > There are two slots and none of them has SDIO card in it. >> > > > From what I find about Hummingboard, it actually doesn't have >> > > > WiFi >> > > > SDIO >> > > > chips on it. >> > > >> > > I don't understand. It was booted using an SD card? Also, here is >> > > the >> > > information about the board and the Wi-Fi (the Solid-Run site can >> > > be >> > > hard to navigate): >> > > >> > > Carrier Board spec: >> > > http://wiki.solid-run.com/doku.php?id=3Dproducts:imx6:hummingboard: >> > > hbpr >> > > o >> > > >> > > This is my SOM: >> > > http://wiki.solid-run.com/doku.php?id=3Dproducts:imx6:microsom:dual >> > > &s[] >> > > =3Dbcm4330 >> > > >> > > Schematic. I believe page 5 shows the SDIO WIFI module interface? >> > > http://wiki.solid-run.com/lib/exe/fetch.php?media=3Dimx6:microsom:d >> > > ocs: >> > > sr-usom-mx6-rev-1_3-simplified-schematics.pdf >> > > >> > > Broadcom BCM4330 >> > > http://linux-sunxi.org/images/0/05/4330-DS206-R.pdf >> > > >> > > I have used it successfully through Kodi and Debian (Raspbian >> > > specifically) >> > > >> > > Thanks, >> > > Russ >> > >> > The quick and easy config for netbooting armv6 these days is to set >> > a >> > few vars in your uboot env. This assumes that you let uboot load >> > ubldr.bin from sdcard, and then have ubldr load the kernel and the >> > kernel will mount nfsroot. >> > >> > If you have a dhcp server to provide an IP, this is all you need in >> > uboot env: >> > >> > loaderdev=3Dnet >> > rootpath=3D<nfs server ip>:/<rootpath> >> >> you can set the footpath via dhcp / dhcpd.conf: >> >> option root-path =E2=80=9Cnfs:ip.root.host:/path-to-root=E2=80=9D; > > I suspect more people will have the ability to set uboot env vars than > to set options in their dhcp server (which I've found from talking to > people is all too often some ISP-provided appliance with little or not > configuration access). I have complete control over my un-patchable 100mb wireless-b d-link router! I even tore the antennas off for security. lolz Russ
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