#linux-sunxi on 2015-10-26 — 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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06:53 <libv> NiteHawk: http://linux-sunxi.org/Mobistor_openwrt-pi looks pretty $shitpiish

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06:55 <libv> Openwrt-Pi.com expires in a few days

06:57 <libv> that page is almost 11months old and has not seen any useful content

06:57 <libv> imho we should just delete it

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07:01 <plaes> yeah.. kill it

07:01 <libv> ah, great, i get to rewrite a page by simosx, which is in pretty horrid state and definitely should've had a lot of its content added to the a83t page :(

07:02 <libv> community, right?

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07:02 <plaes> http://linux-sunxi.org/Special:Contributions/Mobistor

07:10 <libv> yeah, and google does not return anything useful either

07:11 <libv> mobistor.com does not mention any device of the sort

07:11 <plaes> yup

07:12 <libv> and their english version site is mostly chinese

07:12 <plaes> :D

07:12 <plaes> this product was probably never made

07:12 <libv> indeed

07:16 <libv> done :)

07:18 <plaes> good

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07:20 <libv> ssvb: seems like most of the work for msi primo73 was done, but that the dts file still did not make it upstream :(

07:20 <libv> still blocked on otg?

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07:31 <plaes> wtf is this monkton thing?

07:31 <plaes> libv: how did you find it ^^

07:32 <libv> plaes: ebay.de :)

07:32 <libv> even came with an invoice :)

07:34 <libv> someone was so disappointed wiht it that they retturned it to the seller

07:34 <libv> who then went and put it on ebay

07:34 <libv> plaes: this is going to be a bastard to bring up

07:35 <libv> plaes: if you are bored, get me a postal address :p

07:35 <plaes> nope-nope-nope

07:35 <libv> aw come on!

07:36 <plaes> I'm busy with my motorcycle :P

07:37 <plaes> http://imgur.com/a/ICm6b

07:38 <libv> the monkton is bound to be more fun!

07:38 <libv> especially now that winter is coming :p

07:39 <plaes> in Estonia we have saying that: fix your sled in summer, and your horsecart in winter

07:41 <plaes> and I have lots of rusty non-standard (GOST-something) nuts and bolts

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07:45 <libv> i did not bother to bid on a proper car IVI system with an A20

07:46 <libv> too high a price for not having an invoice (so i would not have the VAT back right away)

07:46 <libv> but those things do exist

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07:47 <libv> then there was an a20 based projector

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07:47 <libv> all three of those should live under Devices_Other

07:48 <libv> as they really are way too strange to fit under htpcs/boards/tablets

07:50 <wens> plaes: hehe, winter seems like a good time to do such work

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07:54 <plaes> oh.. https://www.freebsd.org/news/status/report-2015-07-2015-09.html#Allwinner-A10/A20-Support

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08:51 <TheLinuxBug> libv: It looks like someone went by http://linux-sunxi.org/Boot_Android_from_SdCard adn inserted a spam link in the notes about the images 'Some apps' you may want to find who did that and ban them and remove that link.

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08:55 <alex_____> Can someone give me a hint how to write a spi slave driver for use with an A20 (as master)?

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09:34 <libv> TheLinuxBug: good catch

09:35 <libv> block placed

09:36 <NiteHawk> TheLinuxBug: +1, that slipped through somehow

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09:54 <ssvb> libv: thanks for reminding about msi primo73, I'll make a new dts file for it

09:57 <libv> no rush, i just noticed it because it was the next in line after the deleted device page of earlier

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10:55 <asmir> guys, is sunxi vdpau unstable by default or am I doing someting wrong - because I expirience crashes by playing fhd video with cma=128M?

10:58 <ssvb> asmir: on which hardware, with which kernel and how exactly does it crash?

10:59 <asmir> custom board with A20, simmilar to lime2 and kernel is 3.4 sunxi

10:59 <asmir> to be more precise: 3.4.103-00033-g9a1cd03

11:00 <asmir> output is VGA and player is mpv

11:00 <rellla> asmir: which libvdpau-branch?

11:01 <ssvb> also it's a good idea to try some videos, which are known to work fine, for example http://download.blender.org/durian/trailer/sintel_trailer-1080p.mp4

11:01 <asmir> I didn't change branch, so it has to be master

11:01 <asmir> sinter trailer is too short, it happens after 5-10 min

11:01 <asmir> and it's not overheating

11:02 <asmir> (I downloaded a video from youtube with mp4 container and h264 codec)

11:03 <asmir> and I forgot the crash is just screen freezing, mostly becoming green

11:03 <asmir> and I don't get any response from ssh server

11:03 <ssvb> is this the only video that causes it crash?

11:03 <asmir> yes

11:03 <asmir> I did other stress tests and it passes

11:04 <asmir> oh sry I did read it wrong, no it happens with other videos too

11:04 <asmir> but only with videos

11:05 <ssvb> maybe try a full sintel video instead of the trailer

11:05 <asmir> I'll try

11:06 <rellla> what are your dcdc2_vol and dcdc3_vol set to?

11:06 <ssvb> asmir: what kind of stress tests have you tried? was it lima-memtester?

11:06 <rellla> i had stability problems with cubieboard because of missing https://github.com/linux-sunxi/sunxi-boards/commit/2d3330814b38a2a857958b3b3fd97c3f473bfd7b

11:06 <rellla> same behaviour.

11:07 <asmir> nope, random cpu stress tests like openssl speed

11:07 <asmir> @rellla I'll check that too

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11:09 <ssvb> asmir: these are the tests, which actually have a much better chance of identifying hardware reliability problems - http://linux-sunxi.org/Hardware_Reliability_Tests

11:09 <asmir> ok, I'll do them now

11:10 <rellla> libvdpau should be quite stable. at least with the known working codecs/files

11:10 <asmir> good to know, maybe it's the hardware/voltage

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11:15 <asmir> failed lima-memtester 100M :( so can I assume that it's voltage?

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11:30 <ssvb> asmir: it means that either the DRAM configuration is wrong (the clock frequency is too high) or dcdc3 voltage is too low

11:31 <ssvb> asmir: did it deadlock or report memory corruption?

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13:17 <asmir> Is it safe to set dcdc2_vol to 1500 and dcdc3_vol 1350, just to be sure?

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13:53 <ssvb> asmir: no, it is not a very good idea

13:54 <ssvb> asmir: moreover, the dcdc3 voltage is set by the bootloader

13:55 <ssvb> asmir: again, was it a deadlock or a memory corruption message in the lima-memtester log?

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14:08 <asmir> ssvb: first it was a memory corruption (bitflip test I think), than deadlock

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14:09 <asmir> I tried setting dram_clk to as low as 200, but still

14:11 <ssvb> asmir: oh, you should not reduce the dram clock speed below 300MHz, and 360MHz should be already low enough

14:11 <asmir> oh, ok

14:12 <ssvb> memory corruption detected by lima-memtester typically means either too high dram clock speed or bad impedance settings

14:12 <ssvb> deadlocks usually mean insufficient dcdc3 voltage

14:13 <asmir> hmm, as our hw guy said schematics are the same as by lime2 and ddr routing is good to

14:14 <asmir> and for dcdc3 I already tried mainline and sunxi u-boot

14:14 <asmir> but maybe it could be power supply

14:14 <ssvb> yes, checking the power supply is also a good idea

14:15 <asmir> I just thought that the axp will iron any jitter out

14:15 <ssvb> what is your current power supply?

14:16 <asmir> we tried power 12V adaptor over voltage regulator and a 5V variable adaptor over different regulator

14:17 <asmir> voltage is ok, just maybe jitter

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20:21 <Dodger78> hi guys, any idea when A80 SMP will be mainlined ? can we hope for A80 usb3 support in mainline also ?

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20:27 <mripard> Dodger78: no idea, and yeah, when someone will start working on it

20:27 <mripard> Dodger78: I'm guessing you just volunteered yourself ? :)

20:28 <Dodger78> :-) i can code C / assembly and im used to embedded . but i didnt develop linux kernel and have little / no info about allwinner a80

20:29 <Dodger78> im just wondering, since A20 is very well supported by now and A80 ( their flagship ) is kind of nowhere

20:29 <mripard> Dodger78: welcome to the club

20:29 <Dodger78> :-P maybe its time to buy something else than allwinner

20:30 <Dodger78> my old cubietrucks still win the race over the cubieboard 4 . ROFL . and now they place even more chips like H3 or A83 , but A80 support still sucks

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20:33 <mripard> Dodger78: the main issue is: we have a limited amount of resources (dev time). We can either focus on having the missing useful features for the SoC that most use (A20), or spend time to support yet another SoC that will have half-baked support

20:35 <Dodger78> ah ok , sorry i dont wanted to bother you. A20 support is good and im looking forward to full sound support. Hope that A80 will also get the love in some time

20:35 <Dodger78> thx for your effort

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20:46 <mripard> Dodger78: don't worry, you're not bothering me :)

20:46 <mripard> and hope so to

20:47 <mripard> but we just need more people that want to get involved :)

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22:34 <innes> would fb.margin=25 be a valid kernel argument for uEnv.txt? or for boot.cmd/boot.scr

22:50 <ssvb> innes: what are you trying to do?

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22:52 <ssvb> innes: for the 3.4 kernel, have a look at http://linux-sunxi.org/Display

22:52 <ssvb> innes: for the mainline kernel and simplefb, you can't really configure much yet

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23:43 <innes> ssvb: i think i am using mainline kernel, using console=fb was probably the crucial point as i was using console=tty0) which also worked for sunxi but not for stage 2 while loading my OS

23:44 <Seppoz> its ttyS0 i think

23:45 <innes> that is for serial

23:45 <Seppoz> what did you want?

23:45 <innes> which also worked

23:45 <innes> i wanted to boot a NetBSD image, but it worked already so thx anyway btw :)

23:45 <Seppoz> its only works because of my ttyS0 tip admit it xD

23:46 <Seppoz> you can just hardcode the kernel arguments

23:46 <innes> nah

23:47 <innes> i changed the boot.cmd from console=tty0 to console=fb then it worked

23:47 <innes> connecting via UART also worked ofc, probably default settings anyway

23:47 <innes> i was trying to boot via HDMI as well, and checked all the kernel arguments for a while in boot.cmd/boot.scr heh

23:47 <Seppoz> the mistake is NetBSD

23:48 <innes> Seppoz: Who are you?

23:48 <Seppoz> j/k

23:48 <innes> 01:48 [verne] CTCP VERSION reply from Seppoz: mIRC v6.17 Khaled Mardam-Bey

23:48 <innes> the mistake is Wintendo Seppoz

23:49 <innes> or maybe you set that :)

23:49 <Seppoz> who knows

23:49 <innes> Seppoz: So why are you insulting me via query? :)

23:50 <Seppoz> so you are showing the console of fb?