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<zooko-web> Hi folks! Anybody can recommend what flavor of linux to install on my Samsung Chromebook 2 Exynos 5800?
<Wizzup> I personally use Gentoo
<zooko-web> Arch is appealing because it has exactly what I need: a recipe saying ¨Do the following 15 steps in order and you'll have a booting system¨.
<Wizzup> arch would be a decent choice too I guess
<zooko-web> Wizzup: how did you install Gentoo? Are there instructions?
<Wizzup> They are similar to arch, except you unpack the gentoo install instead. If you haven't used gentoo, I'd say go for arch
<Wizzup> Gentoo takes a bit more time to setup, and if the arch guys have it all packaged and ready, that may be nice
<zooko-web> Ooh, here's what I want: Ubuntu! https://plus.google.com/+OlofJohansson/posts/b2fazijJppZ
<Wizzup> :)
<Wizzup> note those instructions are relatively old
<zooko-web> Yeah.
<zooko-web> I'm continuing to search for good, simple, new instructions that result in an Ubuntu install.
<zooko-web> That one looks closer to what I need.
<Wizzup> I'd say that if you want something that likely works with little effort, perhaps go for arch. I use Gentoo because I like to know what kind of drivers I need, and it easily gives me the flexibility to try out new drives. and for arm there are sometimes no binary packages and then gentoo makes more sense
<Wizzup> cool. I'll let you search a bit
<zooko-web> Oops, my 6-year-old wants some attention from me. Back in a bit. :-)
<zooko-web> Wizzup: well, I'm not very comfortable switching distros at this point.
<zooko-web> I have a lot invested in understanding the Ubuntu tools and development process and people and stuff.
<zooko-web> Be back in a few minutes probably...
<Wizzup> the only possibly 'hard' parts wrt ubuntu would be: get a kernel with enough options enabled, and getting 3d accel to work for unity (assuming ubuntu still wants that)
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<zooko-web> I know how to run ubuntu without hw-accelerated 3d.
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<zooko-web> Wizzup: so what instructions do you think I should start with if my ultimate goal is to boot Ubuntu? Maybe http://www.galexander.org/chromebook/ ?
<Tenkawa> hi all
<Tenkawa> Wizzup: javier__: that kernel is working great. Thanks again
<Wizzup> zooko-web: exynos-defconfig or multiv7_defconfig (I think it is written that way) for v4.4 should be ok to start with for a kernel. I have little clue about the way people install ubuntu. I guess you'd need to do something like debootstrap, similar to debian
<Wizzup> at this point I'm hoping for some others to share what they use, possibly ubuntu
<Tenkawa> I use core debian... would that setup help?
<zooko-web> Tenkawa: probably very like Ubuntu.
<zooko-web> Tenkawa: how did you install it?
<Tenkawa> zooko-web: debootstrap
<zooko-web> Wizzup: is ¨Google's latest release of their Linux 3.8 kernel, which is R40-6457.B¨ still the right kernel to start with?
<Tenkawa> zooko-web: what machine?
<Wizzup> zooko-web: depending on what you want, either the chrome kernel or mainline linux
<zooko-web> Tenkawa: xe503c32 ☺
<Tenkawa> ahh the cb2
<zooko-web> Wizzup: what's the tradeoff between Chrome kernel or mainline linux for this machine?
<Tenkawa> i'm still using a xe303c12 cb1
<Wizzup> zooko-web: audio doesn't work on mainline. no clue about video decode accel and 3d. everything else works better than chrome kernel imho
<zooko-web> Tenkawa: did you run debootstrap, um, from chromeos?
<zooko-web> Wizzup: cool, thanks.
<Tenkawa> no... another debian box
<Wizzup> zooko-web: I'd recommend going for signing the mainline u-boot, and using that to load unsigned kernels. I don't like the whole kernel signing process
<zooko-web> Wizzup: ugh, that whole signing stuff just confuses me. What is even the point. ☹
* Wizzup shrugs
<Tenkawa> i've got it completely scripted
<zooko-web> Sigh, okay, so I could really use a simple recipe of steps that I can follow. I'm wondering if http://linux-exynos.org/wiki/Samsung_Chromebook_2_XE503C32/Installing_Linux is that recipe...
<Wizzup> Meh! Some pages really need some work.
<Wizzup> I guess the problem is that I haven't reinstalled ever since I initially installed.
<zooko-web> Yay, http://linux-exynos.org/wiki/Installing_a_rootfs mentions Ubuntu.
<zooko-web> I'll probably be able to get an armv7 linux kernel from Ubuntu so I don't need to cross-compile one myself...
<Wizzup> Suggestions/changes for/to the wiki are very welcome, btw.
<Wizzup> btw I just got back from fosdem, and I'm pretty tired, so I won't be around for much longer today
<Wizzup> http://linux-exynos.org/wiki/ARM_Chromebook/Mainline_Linux_kernel I just wanted to say that page is really really outdated
<zooko-web> Wizzup: okay, thank you very much. How was fosdem!?
<Wizzup> ah, it says so at the top
<Wizzup> FOSDEM was mostly wet. Otherwise great.
<zooko-web> What did you find most interesting at FOSDEM?
<Wizzup> For mainline kernel, it's pretty trivial -- get latest linux tarball, make exynos_defconfig (or multiv7_defconfig or so) and build it
<Wizzup> FOSDEM for me is meeting many of the awesome people working in/on FOSS projects. Talk-wise, difficult to pick just one. I liked a few talks in the microkernel dev room :-)
<zooko-web> I don't understand if I'm going to have to do any of this stuff about u-boot -- http://linux-exynos.org/wiki/ARM_Chromebook/nv_u-boot -- if I'm following this recipe: http://linux-exynos.org/wiki/Samsung_Chromebook_2_XE503C32/Installing_Linux
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<Wizzup> One of the troubles with the wiki is that the pages all follow the same layout -- since many recipes are almost identical (rootfs, etc)
<zooko-web> I'm glad to hear a bit about FOSDEM vicariously. I used to be more involved in that community than I am now.
<zooko-web> Although I'm still doing F/OSS all the time, but just not as interactive with the folks who probably show up there...
<Wizzup> the partitioning part seems sensible, the linux kernel part probably not so much
<zooko-web> Yeah, I was just going to try to get a prebuilt kernel from ubuntu instead of the cross-compilation and configuration instructions on http://linux-exynos.org/wiki/Samsung_Chromebook_2_XE503C32/Installing_Linux
<Wizzup> as for nv_uboot, you should probably use mainline u-boot.
<Wizzup> You can try a prebuilt Ubuntu kernel, but I have no clue if that works well.
<Wizzup> You will also need the proper device-tree that comes with it.
<zooko-web> I'm confused about u-boot, like I don't understand when or if I have to change the configuration of it at all in order to do http://linux-exynos.org/wiki/Samsung_Chromebook_2_XE503C32/Installing_Linux
<Wizzup> Basically, the chromebook comes with some u-boot. It's signed, and only loads signed images/binaries.
<zooko-web> Ok.
<Wizzup> You can either have that chromebook u-boot load a kernel directly, or have it load ANOTHER u-boot
<Wizzup> And this other u-boot would load any kind of kernel without any sign checks
<Wizzup> That 'other' u-boot can now be the 'mainline' u-boot from denx.de, rather than some google fork of that u-boot
<Wizzup> You need to worry about signing that u-boot once. Ideally, we'd just provide this u-boot on the wiki, per device.
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<Wizzup> I *think* that the arch people have taken care of most of this
<Wizzup> let me check
<zooko-web> Thank you. I would appreciate not needing to sign that one myself...
<Wizzup> ah, no, they just flash a kernel rather than u-boot
<Wizzup> I can try to build one for you later, but I really need to get some sleep soon/first.
<Wizzup> I'd recommend perhaps installing arch linux arm to a sd card and see if you can get that boot.
<zooko-web> Sorry, I'm getting confused again. You mean the Arch folks use the developer keys to sign their kernels?
<Wizzup> Google provides so called developer keys
<zooko-web> Wizzup: sounds like good progress. Following http://archlinuxarm.org/platforms/armv7/samsung/samsung-chromebook-2 ?
<Wizzup> Those developer keys allow you to 'sign' stuff yourself, the chromebook will accept those signed blobs only if in 'developer' mode
<zooko-web> Wizzup: okay, thanks, I can understand that.
<zooko-web> Although it is an annoying task...
<Wizzup> I'd start with arch linux and see how that goes, using a microsd card
<Wizzup> I did all my initial testing with a microsd card. Not because I actually used chromeos, but because it is easier
<Wizzup> at some point when I was confident it worked well enough, I moved everything to the internal e-mmc/ssd
<zooko-web> Wizzup: sounds like a good plan. Thanks! And if following that plan, should I use these instructions: http://archlinuxarm.org/platforms/armv7/samsung/samsung-chromebook-2 ?
<Wizzup> I guess so, although 'sda' is probably for external usb, not for microsd card (that would be mmcblk1)
<zooko-web> Thanks.
<zooko-web> Oh, I could just boot from external USB -- I already have one here.
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<javier__> in that post I tried to also provide some background and theory instead of just a set of runes
<javier__> so you will know how to adapt the commands to suit your needs
<javier__> I've also written another post explaining how to install a mainline u-boot but that has not been published yet
<Tenkawa> javier__: did you see my note earlier?
<Tenkawa> that dtb fix worked great
<javier__> zooko-web: but in general, it doesn't matter which distro / rootfs you use