<vagrantc>
alyssa: it might be dwc2 actually... i haven't been able to figure it out ... but it seems to cooincide with eMMC errors more excessive than usual
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<vagrantc>
at any rate, i've been thinking i should try flashing the newest coreboot+depthcharge to see if it works any better, since i've been struggling with this poor thing for years
<alyssa>
vagrantc: in my limited experience, eMMC usually causes issues on boot itself but then after successfully booting to userspace is nice and quiet. dwc2 on the other hand is the usual culprit for post-boot system instability. but what do I know? I couldn't manage to boot a debian kernel the other today ;)
<vagrantc>
i also seem to remember libreboot also exposing a very minimal user-interface ... e.g. displaying a short text description for each of the keybindings that do various things
<alyssa>
(this is on a 4.14 rc with some patches. I'm hopefuly 4.15 brought fixes? Alternatively, time to fork over some money since mmind00 is hopeful RK3399 is immune from these issues :p)
<vagrantc>
is there an rk3399 laptop?
<alyssa>
all the new ARM chromebooks are rk3399 iirc
<vagrantc>
ah
<alyssa>
and apparently there's a CrOS rk3399 tablet coming out in the next month, which might be fun to play with ;P
* vagrantc
will give the veyron_speedy a few more tries sometime soon
<sphalerite>
vagrantc: asus c101pa, samsung chromebook 2, iirc
<sphalerite>
I think the marketing name for rk3399 is OP1
<alyssa>
which I find hilarious since OP1 -also- follows the technical chip naming scheme of "capital letters followed by number" :p
* vagrantc
waves
<sphalerite>
Hardware names and version numbers are just generally confusing
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<amstan>
warning: "samsung chromebook 2" is a very overloaded name, it might mean the intel machine
<amstan>
sphalerite: yeah, i suggest you just stick with rk3399
<alyssa>
"Rockchip RK3399 (OP1) integrates Mali... supporting... DirectX11.1." Besides my own on a technicality, I somehow don't think there's a DX11 driver for the Chromebook :^)
<amstan>
alyssa: yeah, don't read those feature lists
<amstan>
sometimes they label it as "Intel Rockchip RK3399"
<sphalerite>
o.o
<amstan>
sometimes they bundle it with an antivirus and microsoft office
<amstan>
i've lost all faith in them
<alyssa>
were we supposed to have faith in them to begin with? :D
<sphalerite>
I previously attributed this to malice, in the sense that the marketers just want to sell the stuff even if they stray from the exact truth a bit
<sphalerite>
but this is just incompetence, isn't it...
<sphalerite>
why did they come up with this OP1 name anyway
<sphalerite>
rk3399 is so much clearer and distinguishable
<sphalerite>
none of this OPI crap
* sphalerite
needs to sleep
<sphalerite>
gnight all
<amstan>
good night
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<alyssa>
is Crtex a faster version of Cortex?
<amstan>
alyssa: yes, but don't quote me on it
<alyssa>
:p
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<ayaka>
finally overcome the damn emperor Xi's poisoned network
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<sphalerite>
what's needed in order to get output from the kernel to the screen during early boot? I don't seem to get a graphical console until after initrd, which makes debugging that stage of boot quite difficult :)
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<hanetzer>
earlyprintk as part of the kernel parameters, and a properly setup debug_ll :)
<sphalerite>
That doesn't sound like the answer to my question. I'd prefer something that doesn't imply "get some more hardware"
<hanetzer>
oh... didn't quite grok what you asked. But idk about that, and for the most part if you're doing embedded/arm you should have at least a few uart adapters on hand ;)
<sphalerite>
I don't
<sphalerite>
oh and this is a chromebook, should have mentioned that bit
<sphalerite>
C201
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<hanetzer>
ah, I got one of those. What bootloader are you using?
<hanetzer>
2gb variant?
<sphalerite>
yep 2gb and depthcharge
<hanetzer>
libreboot?
<sphalerite>
yeah
<hanetzer>
I never had luck with that.
<hanetzer>
I got grub2 to 'work' as a coreboot payload on my c201/4gb, though its far from being usable
<sphalerite>
I mean, booting works fine in general. I'm just trying to get the stock kernel for my distro to work on it more reliably (it does work, just not reliably currently)
<sphalerite>
and I'm wondering what userspace fiddling is necessary to get a graphical console before switching to the real root filesystem
<sphalerite>
and a manually-built kernel works just fine
<hanetzer>
prolly early kms at least
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<sphalerite>
that just requires the modules to be included in the initrd right?
<sphalerite>
I've just gone and included all the drivers loaded in a successful boot in the initrd, but the screen still stays white until after the initrd
<hanetzer>
hrm. firmware in the initrd as well?
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<sphalerite>
yeah although I don't think it needs any firmware?
<hanetzer>
no clue, not that far into using them
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