<Tenkawa>
my 3.19 kernel boots up on on my chromebook 1 hoever it just displays a white screen
<Tenkawa>
am i missing a video= or something setting in the cmdline or something in the kerbel or dts?
<Tenkawa>
the box responds to keyboard input fine (can login reboot, etc )
<Tenkawa>
i seem to remember this is easy to fix however I just cant remember the fix
<Wizzup>
did you disable simeplfb
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<Tenkawa>
oh disable it?
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<Tenkawa>
oops I enabled
<Tenkawa>
let me try that
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<Tenkawa>
compilig
<Tenkawa>
er compiling
<Tenkawa>
Wizzup: wont surprise me a bit if I oopsed something so easy..
<Tenkawa>
ok here goes.. brb
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<Tenkawa>
still booteed to solid white.. doublechecking settings
<Tenkawa>
just the exynos ones show enabled in the kernel
<Tenkawa>
I've got to be missing something simple
<Tenkawa>
trying something else now... I also wonder if my dts is missing something
<Wizzup>
I need to go to sleep now
<Wizzup>
meetings early in the morning
<Tenkawa>
good luck.. thanks for the help
<Tenkawa>
I should be able to get this working again hehehe
<Wizzup>
thanks, will manage, the only thing I will fear is the daunting 28C in the first of march ...
<Wizzup>
(in valencia now, and I'm not used to warm weather in the winter)
<Tenkawa>
ouchie
<Tenkawa>
its very very cold here
<Tenkawa>
reboot time again.. brb
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<Tenkawa>
ah haa
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<Tenkawa>
well this has to have something to do with framebuffer/simple framebuffer however cant quite tell what
<Tenkawa>
looks like if I get the right dts it should be ok
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<ssk>
can any one help me how to configure ,install and run android on xen domU.
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<ssk>
javier__: But images from linaro source 3.14.7 is working along with display here it log:http://pastebin.com/SktdFPDi.But i downloaded same kernel version form linaro and mainline there is no hdmi display.
<ssk>
what make diff?
<ssk>
for exynos 5420?
<javier__>
ssk: which Linaro tree exactly? can you point me to the git repo?
<javier__>
ssk: also I'm not able to access your pastebin
<javier__>
so I don't understand how it is working for you
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<javier__>
I believe the booted kernel is not the one from that repo...
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<Tenkawa>
javier__: greetings... got a minute?
<javier__>
Tenkawa: yes
<Tenkawa>
javier__: I'm booting up a 3.19 kernel on that snow chromebook and the screen goes white... wasnt there a fairly straightforward fix for that? (everything is still working because I can type, login, and reboot it from kb)
<Tenkawa>
I think I'm either not setting the video mode or not setting it right or I missed a patch
<javier__>
Tenkawa: are you using a nv-uboot with simple fb?
<Tenkawa>
javier__: no nv-uboot same as before
<Tenkawa>
signing,
<Tenkawa>
at least I think I ended up not having to use nv-uboot.. I'd have to go look back at the logs..
<Tenkawa>
I'd prefer not to use it if possible
<Tenkawa>
it definitely signs and boot.. that I do know
<Tenkawa>
syslog, last, etc all reflect it
<Tenkawa>
it acts more like a dts initialization of the framebuffer problem
<Tenkawa>
granted I'm not even sure if I'm really using the most updated/correct dts
<javier__>
Tenkawa: if you don't want to use simplefb then use 4.0-rc1 since 3.19 doesn't have the needed drm bridge patches
<Tenkawa>
ahhh
<Tenkawa>
from kernel.org or linux-exynos.org?
<Tenkawa>
I'm perfectly happy doing that
* javier__
is not familiar with any kernel tree in linux-exynos.org
<Tenkawa>
oh ok
<Tenkawa>
so from kernel.org
<Tenkawa>
ok let me pull it
<Tenkawa>
this should be nice and quick :)
<Tenkawa>
k its building.. bbl
<Tenkawa>
thanks again
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<Tenkawa>
no luck on 4.0-rc1
<Tenkawa>
I did see that I have definitely gotten this to work on 3.19.0 though
<Tenkawa>
apparently I was using 3.19-next
<Tenkawa>
I'll go try pulling that again
<javier__>
Tenkawa: did you disable IOMMU support?
<javier__>
exynos drm driver is broken if is enabled
<Tenkawa>
oh.. let me check
<Tenkawa>
entirely possible I did not
<Tenkawa>
yep its enabled
<Tenkawa>
disable it?
<javier__>
yes
<Tenkawa>
ok.. let me try that 3.19 again since it was at least booting
<Tenkawa>
do I need to disable any of the other DRM stuff explicit;y?
<Tenkawa>
er explicitly
<Tenkawa>
recompiling again
<Tenkawa>
this shouldnt take long
<Tenkawa>
ccache is my friend
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<Tenkawa>
afk.. reboot agai
<Tenkawa>
n
<Tenkawa>
it severely did not like that..
<Tenkawa>
oh well.. got to put to the side for a little while... afk for a while.. thanks though for the help.
<Tenkawa>
bbl
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<Tenkawa>
wish I could figure out what I did wrong this time trying to upgrade this kernel :(
<Tenkawa>
I found the config I think I ued
<Tenkawa>
er used
<Tenkawa>
hmm... with kernel 4.0 I get a black screen
<Tenkawa>
does not appear to boot though
<javier__>
Tenkawa: after disabling iommu?
<Tenkawa>
yep
<Tenkawa>
I think its something simple I'm missing
<Tenkawa>
i had the white screen problem before however my memory just is not playing nice on how I fixed it
<Tenkawa>
its always one little thing
<Tenkawa>
got a few more tricks to try
<Tenkawa>
at least I got my other project working and done already today yay!!
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<afaerber>
Tenkawa, a week ago exynos thermal was broken, too - try disabling it
<Tenkawa>
found something...
<Tenkawa>
just a sec
<Tenkawa>
cat: /tmp/drm.lohg: No such file or directory
<Tenkawa>
oops
<Tenkawa>
cat: /tmp/drm.log: No such file or directory
<Tenkawa>
oopps wrong machine
<Tenkawa>
whats a good pastebin site?
<Tenkawa>
I'll just use that
<Tenkawa>
I think kernel msg i see is the pro
<Tenkawa>
b
<Tenkawa>
not sure how to fix though
<Tenkawa>
definitely looks dts related though
<Tenkawa>
complains about fimd
<daniels>
Tenkawa: pastebin is a fairly good pastebin - or fpaste.org
<Tenkawa>
pastebin.com?
<daniels>
Tenkawa: yep
<Tenkawa>
ok
<Tenkawa>
thanks
<Tenkawa>
well drats.. I'm console only right now... going to be interesting to upload that
<Tenkawa>
Mar 2 12:08:44 testbox kernel: [ 0.158084] /dp-controller@145B0000: could not find display-timings node
<Tenkawa>
Mar 2 12:08:44 testbox kernel: [ 0.158091] /dp-controller@145B0000: no timings specified