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<dashie>
i've debian+xfce on my cubietruck but the cpufreq widget show it runs at 720MHz, it should be greater no ?
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<Bushmills>
depends on selected governor and load
<Bushmills>
and along with those two, the max frequency the governor is allowed to switch to
<Bushmills>
dashie: ^^
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<dashie>
Bushmills: is there a howto for that ? it's the default config with ondemand gouvernor, it should pick the max freq available...
<Bushmills>
i don't know about a howto. if not reading and writing to the corresponding pseudo files under /proc, you may want to install cpufreq-utils and read their man pages
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<Bushmills>
package name is actually cpufrequtils
<bfree>
http://linux-sunxi.org/Cpufreq should help point you to the right files to look at to see the current settings and/or change them
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<mkad>
does installing system on nand make it faster?
<mkad>
its damn slow from sd card
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<mnemoc>
get a better card :p
<mkad>
mnemoc, well its a fast card
<mkad>
I wonder if nand is faster
<mkad>
than any card?
<mkad>
or are some cards faster tha nand?
<mkad>
or is FS on SATA the fastest ?
<ssvb>
how do you measure performance?
<mkad>
by opening website
<mkad>
^^
<mkad>
not very relible
<mkad>
but also by starting apps in shell
<mkad>
like mc
<mkad>
I dont know if its a disk... maybe just cubieboard is slow
<mkad>
nevertheless I was wondering if hardware (media) where I have rootfs matters?
<mkad>
I am running nginx web server + postgres + gunichorn application server, and ssh, all optimized for memory use.. I dont spawn too many workers etc..
<mkad>
my internet connection is local
<mkad>
and still mc starts pretty slow..
<y0g1>
mkad: I run cubietruck (A20) with armedslack without optimizations and it is ok
<ssvb>
mkad: try to first set the cpufreq governor to "performance"
<mkad>
if I could sample A20 or buy it only I would change chip myself with some hot air gun
<y0g1>
mkad: ssvb is right - change governor to performance
<mkad>
let me check
<mkad>
apt-cache search takes ages...
<y0g1>
mkad: I did changed governor to performance and it helped with faster loading wordpress sites
<mkad>
oh
<mkad>
does it overheat much more?
<mkad>
cause mine is in plastic box...
<y0g1>
mkad: I temp1: +39.4°C (low = -144.7°C, high = +264.8°C)
<mkad>
and no cooling
<y0g1>
mkad: I use small heatsink only (already to cubietruck included)
<mkad>
I use cubieboard1
<mkad>
wow that helps
<y0g1>
mkad: but I will probably change it to something bigger
<mkad>
it starts immedietly now
<y0g1>
mkad: that is performance :)
<ssvb>
mkad: there should be no big difference between "ondemand" and "performance" under heavy load, it's just that "ondemand" kills interactivity and makes the system laggy
<mkad>
wow that helps with website as well
<mkad>
ssvb, it helps a lot
<mkad>
websites are not laggy anymore
<y0g1>
ssvb: default governor was not ondemand but fancy
<mkad>
mine default was on demand
<mkad>
its Debian
<y0g1>
ok
<mkad>
somekind of custom rom
<mkad>
I dont remember
<mkad>
long time ago I was setting it up, and than it was off because it was too slow etc...
<ssvb>
y0g1: the settings in sun4i and sun7i defconfigs are inconsistent :(
<mkad>
mow much Watt it drains at full performance ?
<y0g1>
I read that fancy react faster than ondemand, but in my case it was not enough fast. I have to use performance
<ssvb>
the default is ondemand for sun4i and fantasy for sun7i for some reason
<mkad>
I hope its not overheating ...
<ssvb>
both of them are a poor choice if you are not running on a battery
<y0g1>
ssvb: ok
<y0g1>
ssvb: if you mention battery.. what for cubietruck has got battery connection?
<ssvb>
there are no reasons not to use the performance governor if you are powering the device from a wall plug
<y0g1>
ssvb: If I use sata hdd drive (3.5) with external 12V supply, then it will not work on battery?
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<y0g1>
ssvb: If I replace 3.5"" disk with 2.5 and 5V supply then it should work with battery?
<ssvb>
y0g1: don't know, I have not tried it yet
<y0g1>
ssvb: ok, I will check it when I will change hdd drive
<y0g1>
mkad: I read that A10/A20 are protected so they will just stop working when overheating without damage
<y0g1>
ssvb: do You know how to setup cubietruck for autoboot on power restore? When I do shutdown -h now I have to use power button to run cubietruck but I don't have access to it
<y0g1>
ssvb: I wish to have an option to boot system every power return
<mkad>
y0g1, I guess you can sense battery level and put system into low power mode/sleep when battery is low... ? :P
<mkad>
y0g1, also you are going to ruin your battery if you keep discharging it completly
<y0g1>
mkad: I don't have battery now, but when I do some changes in cubietruck I need to shutdown it. I have cubietruck inside metal box and no access to power button. Each time when I want to start it I have to open the case, turn it on and close the case (4 screws)
<mkad>
y0g1, so battery level measurement via balance leads is a good idea if you use LiPo
<mkad>
y0g1, make a button in box ? ;)
<mkad>
y0g1, anyways you should not discharge LiPo below 4.2V per cell
<mkad>
otherwise they will die very soon
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<mkad>
and you should also find out C value:P
<y0g1>
mkad: how? it is on pcb and I wont to replace it with external
<mkad>
I dont think cubieboard can measure LiPo cells charge level
<mkad>
you need to buy external unit or make one
<mkad>
check hobbyking for ready circuits
<mkad>
its cheap and you can modify it
<mkad>
I use one for my quadcopter
<y0g1>
mkad: I work for manufacturer of UPS units :) so no problems with it
<mkad>
so I can land before battery drops too low
<y0g1>
mkad: I just need to setup cubietruck to autoboot on power restore
<mkad>
y0g1, you said something about using battery, so if you use LiPo, you should not drain too much current that it is rated for and you should not discharge it below ~4.0-4.2V level to extend its life time.
<mkad>
y0g1, maybe thats useful info for you, I dont know
<y0g1>
mkad: I would like to know if cubietruck can be setup to auto boot each time the power is back (even after shutdown -h now)
<mkad>
y0g1, probably
<mkad>
y0g1, if power button is pressed continously ?
<mkad>
check that and if so,solder it pernamently
<mkad>
:)
<mkad>
but I dont take any resposibility for that
<y0g1>
mkad: it will not work, when You power on cubietruck and then switch power on - then it will poweroff
<y0g1>
mkad: it work as power button in atx power supply - bios shutdown the system when You release power button for long time
<mkad>
oh
<mkad>
than make a circuit for it with small relay :)
<mkad>
or darlington
<mkad>
:P
<mkad>
or optoisolator
<mkad>
or whatever;)
<mkad>
mosfet I dont know... I am not electronics guy ;)
<mkad>
y0g1, this guy got batteries that were overloaded (too much current drained) so they overheated and he used inefficieint regulator to have correct voltage ... wasting a lot of power
<y0g1>
mkad: axp209 is for 3V batteries
<mkad>
but cubie drains 2A ?
<mkad>
:D
<y0g1>
mkad: but there should be also connectors for temperature-sensitive resistor to use temperature monitoring function
<mkad>
The Cubieboard requires a regulated 5V DC, 2A power supply with a 4.0mm (external diameter) x 1.7mm (internal diameter) barrel plug. The outside of the plug is the ground.
<mkad>
A 500mA supply is sufficient if you do not attach a SATA hard disk to the Cubieboard.
<y0g1>
mkad: I use 2.5A 5V adapter + 12V for sata
<mkad>
I use SSD sata which does not need any extra power
<y0g1>
mkad: in cubietruck there is no place for battery temperature sensor - they connected onboard 100R resistor
<mkad>
so for me usb 3A hub and 5V is enough
<y0g1>
hmm... I forgot that there is already lithium rechage 3V battery on board
<y0g1>
and there is a place for BAT1/BAT2 Power source also, but there is no info what voltage for it
<shineworld>
PS: if you are able to get CHIP ID serial (should be one) you can use it to get always different MAC for your boards
<shineworld>
I've, in my board, an external chip with serial ID (UUID) which I use to create a virtual MAC for any board
<DEac->
chip id serial?
<shineworld>
A10/A20 .... ID....
<shineworld>
sometime ago someone tried to recover it at kernel level
<shineworld>
I've left this way because I've a spi chip with a unique ID which I can use for that
<DEac->
ah, cpu-chip?
<shineworld>
yes
<DEac->
i only want to use a fix mac because fix ips via dhcp.
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<shineworld>
ok :)
<DEac->
what's the reason for random macs?
<Turl>
DEac-: there's no mac stored on the hardware
<Turl>
so if you don't configure one, it just puts a random one so it works
<shineworld>
just the Allwinner CHIP don't have "purchased" a MAC for every chip
<shineworld>
I guess...
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<shineworld>
In past we have purchased 1 thousand MACS and was expensive
<DEac->
lol. i didn't know, that's possible to purchase nics without a mac.
<shineworld>
for eg: when I need a stack TCP/IP UDP fastly in low power CPU systems I use chips like Wiznet W5100 which don't have a proprietary MAC and you have to purchase one and config to use it...
<DEac->
ok, my next problem: nand-part. i've 3 partitions (bootloader 32768, size 131072) (rootfs 163840, size 4194304) and (UDISK 4358144, size 10584064). i do not know, what is this UDISK? i can not mount it. and how i can remove it and resize rootfs? i think, nand-part 32768 'bootloader 131072' 'rootfs 14778368'
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<shineworld>
android ?
<DEac->
no, lubuntu
<shineworld>
sorry no matter for me :)
<shineworld>
UDISK in android could be User Disk aka SDCARD partition bad I don't know in linux
<DEac->
android is a linux. ok, so it is android specific. i think, i can remove it. it seems to be broken.
<shineworld>
UDISK is usually a vfat disk for user data (mounted aka /mnt/sdcard
<DEac->
oh, there is a remapping? nanda -> mmcblk0p1
<shineworld>
is mine remapping to run android 4.2.2 on SD card with A20
<shineworld>
nand(x) are standard partitions in nand OS version
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<DEac->
ok, i will try sudo nand-part -f a20 /dev/nand 32768 'bootloader 131072' 'rootfs 14778368'
<DEac->
if i lost data, i must retry it.
<tomboy64>
mkad: it shows the usb-device is connected, it lists the usb-hd via lsusb, but no sg (scsi generic device), therefor no sdb (after my sata hd) is created and i can't access the hd
<tomboy64>
mkad: it's linux (not android) and i've tried with 3 harddisks now. with and without external power.
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<Vanfanel>
Hi there
<tomboy64>
mkad: and i do have an sata device connecte, which runs fine
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<tomboy64>
okay
<tomboy64>
another question: compiling natively dies with: /usr/src/ct-linux-sunxi/arch/arm/mach-sun7i/pm/standby/pm_debug.h:4:23: fatal error: pm_config.h: No such file or directory
<tomboy64>
compiling the kernel natively, that si
<tomboy64>
suggestions for that?
<tomboy64>
oh
<tomboy64>
yeah
<tomboy64>
that does NOT happen when i cross-compile
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<wolfy>
tomboy64: you are missing a devel lib
<wolfy>
and headers
<mkad>
sun7i is more powerful than sun4i ?
<shineworld>
in some part
<shineworld>
is more powerful , in others is minor
<shineworld>
for what I know...
<shineworld>
for example in FP is more fast
<tomboy64>
wolfy: i'm not. copying the pm_debug.h into a subdirectory fixed it.