#linux-sunxi on 2015-02-28 — irc logs at freenode.irclog.whitequark.org

2015-02-18 19:37 Turl 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

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09:16 <topi`> has anyone managed to get an Orange pi plus (the one with the Allwinner H3) ?

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09:45 <codekipper> ssvb, felt I was getting close last night in my drunken haze...

09:46 <codekipper> but finally got it booting with my u-boot, kernel and openwrt rootfs this morning.

09:46 <codekipper> thanks for your help.....I can start delivering some patches now.

09:48 <ssvb> codekipper: great :)

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09:48 <ssvb> patches for sunxi or openwrt or something else?

09:49 <codekipper> sunxi for now

09:49 <codekipper> don't think there is much need for openwrt on the mk808c

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09:50 <codekipper> but my A2000 is crying out to be turned into a torrent box

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09:50 <ssvb> topi`: what about you? have you got this Orange pi plus yourself?

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09:52 <topi`> not yet

09:53 <topi`> but it's rare to see a low-cost device with decent amount of CPU/GPU/ram *and* gigabit ethernet with sata

09:53 <topi`> that would make a very cheap board for scaling tens of Riak nodes :)

09:54 <topi`> the only problem being that when the CPU is 32-bit only, addressing huge databases becomes an issue

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10:42 <fest> speaking of which, how far is Olimex with A80 board?

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10:47 <ssvb> fest: it might be a better idea to ask this in the #olimex channel and/or ping Tsvetan

10:50 <ssvb> atsampson: the results at http://stuff.offog.org/tpr3.html are getting interesting

10:52 <ssvb> atsampson: for the "pcDuino3 Nano, JEDEC timings, 528MHz, DCDC3=1.325V (board #2)" configuration we are getting all the same diagonal stripe of unreliability and two disconnected areas

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13:16 <pirea> hi

13:17 <pirea> i have a problem with sata connection on cubieboard

13:17 <pirea> http://pastebin.com/u5mDfVyv

13:30 <pirea> someone here?

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13:37 <sehraf> pirea: i have the same on my cubietruck, too - everything is working fine though

13:37 <NiteHawk> what's your power supply? are you confident it delivers sufficient voltage and current rating to supply both cubieboard and your disk?

13:38 <sehraf> NiteHawk: 40W here .. should be enough ;)

13:39 <NiteHawk> :D actually that was @ pirea ;)

13:39 <sehraf> NiteHawk: year but i have the same "problem" :P

13:40 <NiteHawk> you mean you get that sata message too, but disk access actually works? what does "everything is working fine though" mean in that case?

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13:41 <sehraf> yes - my rootfs is on the sata disk and everything is working fine

13:42 <sehraf> those are the things i get rom time to time http://pastebin.com/6UW0yYeP

13:44 <NiteHawk> hmmm. maybe an issue of drive speed auto-negotiation failing?

13:46 <sehraf> i have no idea ... all i can say is that it started when i switch to mainline kernel

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13:52 <topi`> does anyone know how to get rid of -dirty in kernel version string?

13:52 <topi`> i.e. I have 3.18.0-dirty and I need to get rid of dirty

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13:53 <topi`> because the modules went to /lib/modules/3.18.0

13:53 <topi`> sigh

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13:56 <NiteHawk> topi`: check if CONFIG_LOCALVERSION="" is different in your kernel config

13:57 <topi`> yeah, I found dirty in scripts/ directory and found out it's being used when there are uncommitted diffs

13:57 <topi`> I did a git reset --hard HEAD and there ya go

14:06 <NiteHawk> http://pastebin.com/Xc1MYnuT - that's what i get when hotplugging a sdd on banana pi (A20). it goes straight to 3.0G (SATA2). however, that's with kernel 3.4.103. your 1.5G indicates SATA1 speed (which may be perfectly ok and not necessarily an indicator of trouble)

14:23 <pirea> cubieboard sucks and all devices sucks

14:23 <pirea> everything is closed source

14:23 <pirea> :|

14:24 <pirea> mali - closed source

14:24 <pirea> vpu - closed source

14:24 <ssvb> pirea: first, "mali & vpu" != "everything"

14:25 <ssvb> pirea: second, check https://github.com/linux-sunxi/libvdpau-sunxi for the open source vpu support

14:26 <pirea> ssvb libvdpau-sunxi have as dependince opengl

14:26 <pirea> cubieboard doesn't support opengl

14:26 <ssvb> pirea: huh?

14:27 <ssvb> pirea: libvdpau-sunxi does not need opengl

14:27 <pirea> ssvb libvdpau does

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14:27 <ssvb> libvdpau does not need it either

14:28 <ssvb> your favorite media player might need opengl though

14:28 <pirea> ssvb really? :)

14:28 <ssvb> but you are free to use a different media player application

14:28 <ssvb> mplayer/mpv can use libvdpau-sunxi without opengl

14:29 <pirea> i can't compile xbmc with vdpau and without opengl(but with gles2)

14:29 <linkmauve1> Also, since a few versions, mpv has been able to use GLES as its opengl vo.

14:30 <ssvb> pirea: yes, somebody needs to fix xbmc (now kodi)

14:30 <pirea> ssvb if what you said are right

14:30 <pirea> mpv or mplayer works in tty?

14:30 <linkmauve1> pirea, it is.

14:30 <pirea> without x server?

14:31 <linkmauve1> pirea, mplayer has a fbdev vo, it got removed from mpv since it’s been deprecated for long.

14:31 <ssvb> pirea: the x server is an open source software

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14:32 <pirea> ssvb i know but cubieboard with x is slow

14:32 <pirea> fbturbo is better than fbdev but is still slow at 1080p

14:33 <ssvb> pirea: is this cubieboard1?

14:33 <pirea> ssvb yes

14:34 <ssvb> pirea: you are probably affected by http://ssvb.github.io/2014/11/11/revisiting-fullhd-x11-desktop-performance-of-the-allwinner-a10.html

14:36 <ssvb> pirea: if the dram controller is choked, then none of the driver optimizations can help you

14:38 <ssvb> pirea: the problem is fixed/workarounded in recent u-boot releases, but also needs the 'scaler' mode enabled in the fex file if you are using the sunxi-3.4 kernel

14:38 <ssvb> pirea: and the mainline kernel with simplefb should be working fine out of the box

14:40 <pirea> ssvb mainline kernel have video output? :)

14:40 <pirea> i tried it but hdmi doesn't work

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14:41 <ssvb> pirea: just basic framebuffer, but nothing like hardware video decoding acceleration yet

14:41 <pirea> yes

14:41 <pirea> :X

14:42 <pirea> i will try now archlinux with mainline kernel

14:42 <ssvb> you need the latest and greatest 3.19 kernel with recent mainline u-boot too

14:43 <pirea> ssvb u-boot git?

14:43 <ssvb> u-boot v2015.01 should be fine

14:44 <ssvb> but u-boot v2015.04 (-rc2) additionally supports EDID for HDMI and LCD displays

14:45 <ssvb> there is no final u-boot v2015.04 release yet

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15:36 <pirea> ssvb sweeet :) sata works out of the box

15:36 <pirea> i like it

15:37 <pirea> ssvb linux 3.19 have dma support?

15:41 <plaes> pirea: nope

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19:55 <pirea_> ssvb frequency of dram should be 480 mhz?

19:55 <pirea_> on cubieboard

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19:56 <pirea_> ssvb what is 'scaler' mode?

19:59 <ssvb> pirea_: 'fb0_scaler_mode_enable' in http://linux-sunxi.org/Fex_Guide#disp_init_configuration

19:59 <pirea_> ssvb found it

20:00 <ssvb> pirea_: yes, 480mhz is used for dram in the current cubieboard u-boot configuration

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20:03 <pirea_> ssvb scaler mode must be enabled with linux mainline?

20:03 <ssvb> scaler mode is not applicable with the linux mainline, because there is no fex in it

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20:05 <pirea_> ssvb but the performance is like linux-sunxi with scaler mode enabled, right?

20:06 <ssvb> yes

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