<ssvb>
it's just the "[ 168.762] (II) SUNXIFB(0): can't load 'g2d_51' kernel module" message indicates the use of a patched x11 driver, not the original one
<popolon>
don't know why cubietruck don't give a 3.4 sunxi kernel version
<popolon>
s/cubietruck/cubietech/
<infobot>
popolon meant: don't know why cubietech don't give a 3.4 sunxi kernel version
<popolon>
that's a link from cubietech cubieboard.org site, but that's on linux-sunxi.org
<popolon>
:)
<focus>
popolon: doh! balls - the config i used did not have CONFIG_SUN4I_G2D=y
<focus>
what happens is that you do some commands to get the config made and it seems to have removed it from the default config file
<Popov>
have an project to integrate NIC cubieboard2 on FreeBSD current ?
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<ssvb>
mnemoc: when you were talking about the passive radiator(s) in the CT package, did you mean that you got two of them (one for CT and one for older CB2)?
<ssvb>
mnemoc: ok, I should have checked the scrollback log before asking :)
<ssvb>
mnemoc: somehow earlier I got an impression that you got a heat dissipater also for cubieboard2 and not just for the a20 in cubietruck
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<grog>
gasp how do i fex teh scriptbins for i2c omgggg
* ttmrichter
is away: 好记性不如烂笔头
* ttmrichter
is away: 好记性不如烂笔头
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<grog>
what's a good way to test my i2c?
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<popolon>
focus, I noticed you didn't activated dma
<popolon>
DMA Engine support, this overload the cpu, is this a choice beacause of not supported feature ?
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<focus_it>
popolon: hmm.. that be down to the setting sunxi developers pre-set their choices
<focus_it>
grog: use i2cdetect
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<popolon>
and the same for devfreq
<popolon>
probably why the cpu seem hottest than on other images I tested ?
<popolon>
focus_it, do you know where is the G2D driver ?
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<popolon>
I don't find it
<focus_it>
again settings are choices made by sunxi-developers - also G2D, you may get a lot of the answers from #linux-sunxi - they write it all :)
<popolon>
I activated virtio and mmu (not sure it will works, but A7 support virtio
<popolon>
ok, thanks
<popolon>
there inkernel xz decompression support :), long time I didn't looked at kernel options
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<focus_it>
i see ssvb say use stage/sunxi-3.4 for G2D - in that case i download it and start compiling that because i got problems trying to get lcd going and need a different kernel to check against
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<focus_it>
popolon: any options you want to me change out? It takes about 2 hours to compile.
<popolon>
focus_it, do you know where to find it ?
<popolon>
focus_it, do you compile it on cubieboard ?
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<focus_it>
i cross compile it on ubuntu linux
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<popolon>
I will compile it on my core i7 with make -j8 :)
<popolon>
I installed an ubuntu 13.10 to take benefits from gcc-4.8 neon optimisations
<buZz>
2 hours?
<popolon>
so even without hw acceleration, it should be faster
<buZz>
there is no neon code used in the kernel, is there?
<focus_it>
so what is average fastest anyone compiles with i7 or other beefy computer?
<focus_it>
popolon: yes please, i follow it
<popolon>
focus_it, do you use make -j4 at least ?
<focus_it>
just rough idea - 20min? 1 hour?
<popolon>
that's hard to know
<focus_it>
i use j5
<popolon>
everyhting depend on what is a mean computer, and what is compiled etc...
<popolon>
my previous cpu was an single core AMD ULV @~1.5Ghz
<popolon>
so not the mean computer of today
<popolon>
a ULV processor is really hard to find for a desktop motherboard
<focus_it>
just trying to see if worthwhile getting another beefier device - the netbook handy because i can take it work and bring it home easy - keeps everything in one place. its got ssd = fast at most things
<focus_it>
disk based
<popolon>
I used ubuntu Buildroot, not firststep
<popolon>
I must synthetize all these informations :)
<focus_it>
yes please
<popolon>
I mean, first, in my head :D
<focus_it>
so much information out there - getting it listed in the right order to save time is what counts
<popolon>
I export CFLAGS='-O3 -mcpu=cortex-a7'
<popolon>
before compiling on the cb2
<popolon>
make -j2 to take benefits of the 2 cores
<popolon>
works pretty well, not specially slow :)
<focus_it>
how fast
<focus_it>
i want to try
<popolon>
like on average computer I believe
<popolon>
at least for mali driver
<focus_it>
that is good news - do you use disk or ssd?
<popolon>
ok, that's after menuconfig , when launching make
<popolon>
start the compilation
<popolon>
(make -j8 before the questions)
<popolon>
I've a ssd, but compile on HDD
<popolon>
well 16 GB of ram should be enough to compile 8 Threads in // and cache well
<popolon>
sys use 2.3 GB
<popolon>
(about 10GB of cache)
<popolon>
error !!
<popolon>
compilation aborted :/
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<popolon>
drivers/scsi/osd/osd_initiator.c:68:2: error: size of unnamed array is negative
<popolon>
focus_it, do you have enough ram for -j5 ? and do you use swap ?this could explain a so long compilation time
<popolon>
real6m0.422s
<popolon>
user40m22.795s
<popolon>
sys3m27.002s
<focus_it>
popolon: thanx for syntax, 1GB RAM swap active i believe
<popolon>
6 minutes (for the stable branch)
<focus_it>
woooo!
<popolon>
:D
<focus_it>
i must get that sorted then
<popolon>
but 40 minutes user time = I believe it cumulate each cpu time usage
<popolon>
focus_it, first you need more ram
<popolon>
using swap == go 50* slower
<popolon>
I mean really 50 time
<popolon>
not an exagerated number
<focus_it>
this model of inspiron have to complete dismantle pc + heatsinks to fit extra ram - may be i split compile between quad core which has 4GB ram and netbook when going to work
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<focus_it>
i got ssd
<popolon>
I understand why for this kind of system is sold
<popolon>
if you don't have enough ram, no need to have several processors
<focus_it>
I also got 2 x 3GHz dual core PCs sitting idle - may be i put those into use
<popolon>
else more task could start together => more ram should be used => should activate swap => should be slower than with half the processors....
<popolon>
did you try to compile with less threads ?
<popolon>
it could be faster in at least some cases
<popolon>
at least disable X11 and any ram consuming services during compilation time
<focus_it>
i did try 2 - but a lot slower
<focus_it>
disable x - good idea! never thought of that
<focus_it>
thanks
<popolon>
more ram you have, more cache you have
<popolon>
with htop you can see in the ram bar, at the left the process usage, at the right, the cache usage
<popolon>
more cache => less need to load several times the same header files
<popolon>
etc...
<focus_it>
librecad works
<popolon>
nice :)
<focus_it>
htop very nice!!
<popolon>
you can change the update time
<popolon>
htop -c 1 = 1time every 1/10th seconds
<popolon>
(if I'm not wrong)
<focus_it>
htop -d 1
<focus_it>
works well
<popolon>
yes :)
<popolon>
but consume lot of cpu without hw acceleration on cubieboard
<focus_it>
ok
<popolon>
as every chars displayed are blitted by cpu
<popolon>
htop -d 5 or more is better
<focus_it>
ok
<popolon>
well. I managed to compile a stable kernel.... without g2d :)
<focus_it>
htop -d 5 or else cubie go mad!
<focus_it>
:)
<focus_it>
wow - that be quick
<popolon>
CC [M] drivers/scsi/osd/osd_initiator.o doesn't works
<popolon>
I don't believe I need this ?
<popolon>
problem with picolcd too
<popolon>
stage compiled, .... but without g2d module :(
<focus_it>
sad - again the guys in linux-sunxi might be able to help