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<jmcneill>
bpi-m3 sets the top CPU freq to 2GHz?!
<jmcneill>
(the sinovoip bsp)
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<apritzel>
jmcneill: I am sure it can handle 2 billion NOPs on one core ;-)
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<jmcneill>
apritzel: it died pretty quickly when I tried to give it any load at 2GHz :p
<MoeIcenowy>
ah-oh
<jmcneill>
seems ok at 1.2GHz
<jmcneill>
I need to sort out a solution for "we are too hot"
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<tkaiser>
jmcneill: In case your BPi-M3 comes with Micro USB for DC-IN you need a solder iron first. Especially if you improve heat dissipation.
<tkaiser>
jmcneill: Allwinner's BSP limits maximum clock speed to 1.8 GHz through THS / cooler_table settings. I unlocked 2.1GHz last year and while this works single-threaded throttling prevents reaching these clockspeeds with any heavy multi-threaded workloads.
<tkaiser>
jmcneill: And if you improve heat dissipation then be prepared that the board simply powers off (current limitation, undervoltage -- the usual problems with Micro USB): http://linux-sunxi.org/Banana_Pi_M3#Sudden_shut_offs_.2F_maximum_consumption_.2F_cooling_vs._consumption
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<tkaiser>
jmcneill: And please keep in mind that this was last year when I was a bit clueless regarding real workloads. I generated load with toys like sysbench or stress. With cpuburn-a7 be prepared that M3 powers off immediately (even if the code might only detect the first cluster and runs on just 4 cores) :)
<jonkerj>
aargh, of course, just after sending I noticed a terrible typo in my uart/i2c v3
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<plaes>
as usual :)
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<jonkerj>
OK, here goes v4
<jonkerj>
without the copy/paste errors in i2c2
<jonkerj>
hmm, maybe the subject needed to have v4 in it, instead of v3 again. Hopefully that's not an issue
<wens>
depends on how people organize things
<wens>
with patchwork you definitely need a new version number
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<jmcneill>
tkaiser: i need to port those tests to freebsd
<jonkerj>
wens: my assumption was that you are one of those people oragnizing things
<jmcneill>
tkaiser: i have been using openssl speed md5 -multi in a loop
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<wens>
jonkerj: we organize by inbox :/
<apritzel>
jmcneill: I was working on setting up an interrupt handler in ATF to handle temperature events
<apritzel>
jmcneill: the idea is to program an alarm temperature and let ATF decide what to do (clocking down, halting cores, emergency shutdown)
<apritzel>
jmcneill: would that cover your concerns about over-heating?
<jonkerj>
wens: I have a hunch you/maxime is not going to fully agree with my proposal, so I wait his/your comments before spamming the lists again, consolidating all feedback
<jmcneill>
apritzel: that would be great but we only run ATF on A64 right now
<jonkerj>
wens: suggestion: pinmux (_rts_cts_pins) in DTSI, association in the board files?
<jmcneill>
apritzel: also I still need to test your branch, we do things right now like talk to pmic via RSB directly
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<Net147>
mripard: ssvb: mali-450 blobs are configured differently to mali-400 blobs so they aren't compatible with mali-400 it seems
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<y0x79>
hey there, i have a question concerning booting allwinners from SD card. I have two tablets here with android and allwinner a33. If i boot them from sd card, the nand device seems to be ignored. there is no /dev/nandX or /dev/block/nandX. Is booting from sd and accessing the nand incompatible? Do I have to set certain boot flags to enable access to the nand from sd card?
<KotCzarny>
but eq-q8-a33 page says there are no uart pads
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<KotCzarny>
There are no UART pads available on this device. Instead, UART0 is multiplexed with the microSD adapter. Please refer to the MicroSD Breakout adapter for more information
<willmore>
Who's the orange pi camera expert? I'm looking to see what the state of support is.
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<willmore>
I have one of my Opi1 boards on a bench power supply so I can monitor the current it's using. Running minerd in benchmark mode on four cores, it pulls .760A or about. Running cpuburn, it uses 1.1A.
<willmore>
That's at the max 1.2GHz speed. minerd can keep at full speed with the cooling I have on it now, but cpuburn can't. cpuburn drops to 1008MHz.
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<KotCzarny>
that just means its using less power == not hitting thermal throttling
<willmore>
Idle current is around .260A.
<willmore>
KotCzarny, in which scenario?
<KotCzarny>
minerd vs cpuburn
<willmore>
minerd isn't hitting thermal limits, but cpuburn clearly is.
<willmore>
At 1008MHz on cpuburn, current drops to .780A
<willmore>
at 1.2GHz it was at 1.1A.
<KotCzarny>
you should monitor temp too
<willmore>
Looks like .780A at 5V is the thermal limit of what I have on here right now.
<willmore>
I am.
<willmore>
Temps for cpuburn spiked and then came back down to 83C at 1008MHz. Minerd is at 67C.
<willmore>
minerd--67C--.760A--1.2GHz
<willmore>
cpuburn--83C--0.780A--1008MHz
<willmore>
cpuburn--**C--1.1A--1.2GHz
<willmore>
Camera seems to add 20-50mA.
<willmore>
No HDMI output. Not sure why. I think there should be, but nothing is coming up on the monitor.
<willmore>
Not sure if I did something before to disable that. I don't remember.
<KotCzarny>
check if interrupt is increasing
<KotCzarny>
also, compile kernel with -Os (or -O2) one of them make hdmi to not work
<KotCzarny>
also, if you are using hdmi-dvi adapter you have to disable hdcp
<KotCzarny>
and might be unsupported resolution
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<willmore>
KotCzarny, thanks for the tips. I'll take a look in a bit. Need to go get the kids off the bus right now. :)