rellla changed the topic of #linux-sunxi to: Allwinner/sunxi /development discussion - did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait! - https://github.com/linux-sunxi/ - Logs at http://irclog.whitequark.org/linux-sunxi - *only registered users can talk*
<megi> ah, I see. I have it only in my tree, and it's not mainline
<lvrp16> http://linux-sunxi.org/Linux_mainlining_effort this said cpufreq for h5 was in 4.18, i'll submit an edit
<lvrp16> so it's WIP?
<megi> yes
<megi> I use these patches for H5 DVFS: https://megous.com/git/linux/log/?h=ths-5.0
<lvrp16> megi: smaeul: thanks a bunches
<lvrp16> uhh cannot edit that page
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<lvrp16> is there a lima-memtester that supports upstream and r3p+ versions of mali? or is memtest sufficient now a days?
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<lvrp16> or should i just run kmscube in the background?
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<anarsoul> lvrp16: try textured kmscube
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<lvrp16> anarsoul: i'm trying to find a texture but my google is giving me cpp files
<anarsoul> kmscube -M rgba will give you textured cube
<lvrp16> anarsoul: doh
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<wens> argh, why is eMMC working again :/
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<lvrp16> your lucky you just work on the kernel
<lvrp16> i have to package up all the stuff
<lvrp16> spent 3 weeks
<lvrp16> playing wack a mole
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<wens> I already play whack a mole at work... I'm trying to get our preseed scripts working with Ubuntu 18.04
<wens> whacked a systemd issue yesterday, now dealing with APT :/
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<rud0lf> someone told me i may have luck with bananapi question.. i want to buy banana pi soon from a friend of mine.. the problem is, he doesn't know the model nor a way to obtain it
<rud0lf> googling "how to obtain banana pi model" leads all to raspberry pi pages
<wens> uh, the model is silkscreened on the board
<rud0lf> so, i think you could maybe help me or at last push in good direction :)
<rud0lf> really?
<wens> ask for a picture
<rud0lf> oh
<rud0lf> thanks :)
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<wens> if you can't figure it out (or if the text is too blurry), come back and I could probably figure it out by the form factor
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<lvrp16> i just setup 8 all-h3-cc h5 boards with kmscube, nice cpuburn-a53, and memtester with DDR at 768 MHz for almost two hours so far...make me think that a lot of board makers use garbage ram
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<anarsoul> :)
<lvrp16> meanwhile anything over 1.05GHz on 1.1V makes H5 crash
<lvrp16> so 1008MHz seems like a 10% margin
<lvrp16> i'll let this run for a day and report back
<lvrp16> weird that 768 seems rock solid so far but 792 won't even boot
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<KotCzarny> according to wiki it can still crash
<KotCzarny> so do 24-48h burn test
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<KotCzarny> also, doing some consistency check in bg is probably also good idea
<lvrp16> memtester is the consistency check, if it crashes, it kills off everything and reports
<lvrp16> that or a kernel panic
<lvrp16> i'll let this set run for 48 hours, 75-80W
<lvrp16> if i turn off the fan, it drops to 50W
<KotCzarny> W as in watt?
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<lvrp16> yeah
<KotCzarny> o.O
<KotCzarny> kinda high
<lvrp16> this is coming off a watt-a-meter not some scientific instrument and also factor in AC-DC
<KotCzarny> might be psu
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<wens> lvrp16: which board did you use to test 1.1V?
<lvrp16> all-h3-cc-h5
<lvrp16> that's setup for 1.1v, the all-h3-cc-h3 is setup for 1.2v
<wens> hmm , ok
<lvrp16> i'll test the all-h3-cc-h3 maximum clock speed tomorrow
<lvrp16> or the day after
<lvrp16> give this current setup 48 hours
<wens> I guess we should update the dts so all-h3-cc-h5 shows 1.1V instead of 1.2V
<wens> and maybe tweak the OPP table
<wens> I wasn't aware of the different voltage
<lvrp16> i think it's fine the way it is since with the current opp table it's 1008 which is correct
<lvrp16> you would have to split out the regulator
<lvrp16> allwinner's engineer told me that 1.1 on h5 is the same as 1.2 on h3...i will confirm that when i finish my h3 tests
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<lvrp16> his comment about 1008mhz being the max on 1.1v for h5 is pretty much spot on
<lvrp16> seems like the lesson from this memory testing is don't use spectek chips
<wens> well if 1008mhz @ 1.1v is stable then we can tweak the OPP so boards can run cooler
<lvrp16> it's fixed regulator
<lvrp16> oh you mean on other boards?
<wens> I meant for the other pis :)
<wens> like most other boards use gpio switching between 1.1/1.3
<lvrp16> yes, that's what h5 is rated for i think
<lvrp16> uhhh 1.3v...why....
<lvrp16> just use rockchip...
<wens> I don't know, maybe design was derived from h3
<wens> * boards
<lvrp16> these 12nm socs coming out can do 1.9ghz+ on a53
<lvrp16> that's massive
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<lvrp16> on 1.1v
<wens> is there a new a53 chip I don't know about
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<MoeIcenowy> wens: 1008MHz @ 1.1V is not stable
<MoeIcenowy> on my Nano Pi NEO2 sometimes it doesn't boot
<wens> ah, ok
<MoeIcenowy> and Nano Pi NEO2 has the same complexity as Banana Pi M2+
<MoeIcenowy> it has old fixed voltage revisions and new GPIO adjustable revisions
<MoeIcenowy> mine is fixed 1.1V
<wens> argh :/
<KotCzarny> MoeIcenowy: doesnt it depend on cooling too?
<MoeIcenowy> KotCzarny: the unstabilility is not related to heat
<MoeIcenowy> it dies before SMP is enabled
<KotCzarny> mhm
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<wens> looks like I need to fix the dt for NEO2
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<wens> pine64 pre-FOSDEM updates: https://forum.pine64.org/showthread.php?tid=7093
<hanetzer> wens: I'm most interested in the wifi/bt chipset on that thing :)
<wens> 802.11ac? might be broadcom again
<lvrp16> Moelcenowy: a board that small they usually take shortcuts
<wens> for the H64 model B it looks more like RTL8723BS
<lvrp16> Moelcenowy: it may not be a good reflection on the soc, just the board design.
<hanetzer> ughls
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<plaes> Allwinner S3L ?
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<MoeIcenowy> lvrp16: unless it undervoltages
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<MoeIcenowy> it still reflects the SoC
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<curlybracket> plaes: I believe they mean Ambarella S3L
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<fALSO> moeicenowy, by any chance do you have a working kernel config for the H6 ? Orange Pi One Plus
<MoeIcenowy> I think I have no for OPi 1+
<lvrp16> is there any aarch64 cpu stress tests with a validation at the end?
<lvrp16> or a periodic validation check?
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<lvrp16> 1056mhz is not stable at 1.1v on h5, i had 4 units running at that speed and they all crashed. 1008mhz is ok so far
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<lvrp16> MoeIcenowy: power regulation is the first thing small boards skimp on so it wouldn't be surprising
<fALSO> moeicenowy, ok, going to try to figure one out ;-)
<fALSO> got a load of stuff from china today :-)
<lvrp16> megi: thanks for your ths branch
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<lvrp16> i tested the frequency scaling at different temperatures and cooling methods and it works really well
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<lvrp16> sadly mprime doesn't come in aarch64 or armhf flavors :(
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<willmore> MoeIcenowy, have you checked the voltage from your regulator to ensure it's 1.1V? I've heard of boards using wrong resistors to set output voltage--leading to instability and other pain.
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<willmore> lvrp16, mprime doesn't but mlucas does: https://www.mersenneforum.org/mayer/README.html
<willmore> Ernst is a friend of mine and I helped him port mlucas to ARM. He went one better and wrote a bunch of NEON assembly to make it faster.
<lvrp16> willmore: thanks will check it out
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