mnemoc changed the topic of #arm-netbook to: EOMA: Embedded Open Modular Architecture - Don't ask to ask. Just ask! - http://elinux.org/Embedded_Open_Modular_Architecture/EOMA-68 - ML arm-netbook@lists.phcomp.co.uk - Logs http://ibot.rikers.org/%23arm-netbook or http://irclog.whitequark.org/arm-netbook/ - http://rhombus-tech.net/
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<WarheadsSE> Turl: howd you break it/
<Turl> WarheadsSE: nevermind, it was/is a kernel bug :P
<WarheadsSE> Oh, the a/c power gets you nand booting thing?
<WarheadsSE> annoying.
<Turl> no, the not booting due to some uart bug thing
<WarheadsSE> cuuuute
<Turl> a friend showed me this new bitcoin like currency designed to be mined with the CPU, so I built the thing for ARM and ran it on the mele
<Turl> I got ~700 hashes/s
<Turl> for comparison my ~2-3y old core2duo does 8.5 khashes/s :P
<Turl> it probably isn't using any of the floating point extensions though, so it's not too fair a comparison
<Turl> eh
<Turl> WarheadsSE: any way to skip stuff when installing with pacman?
<Turl> like debian's --no-install-recommends/suggests?
<Turl> why does it want video4linux, x stuff, jpeg stuff, sdl, egl and x libs to play audio? :)
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<zub> http://linux-sunxi.org/A10/TIMER - can the watchdog timer be used in linux?
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<mnemoc> zub: hno added a watchdog driver some time ago
<zub> if I feel like trying out 3.4, which branch should I go with? linux-sunxi-3.4?
<zub> what is "G2D"? (drivers/char/sun4i_g2d/*)
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<RaYmAn> 2D accelerator
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<zub> ah, ok
<zub> is it safe to de-select all the android drivers (in Staging)?
<zub> I'd like to have a minimal setup. I tried to fiddle a bit with the allwinner-v3.0-android-v2, removing all multimedia and android things. Got a kernel that booted, but dies within 30 secs.
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<mnemoc> zub: if you updated your card's u-boot you need to clean it's env or add watchdog 0 to your boot command
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<hno> mnemoc & zub, u-boot watchdog is disabled by default.
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<rz2k> hno: looks like new PMU stuff make mele a2000 unhappy
<rz2k> cold start has same Jumping to U-Boot... and hang.
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<Turl> zub: yes, you can use the watchdog on linux, hno wrote a driver for it
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<Undertasker> does anybody know what the rtp_para paragraph in the .fex file is good for? Ram trace port?
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<WarheadsSE> Turl: --ignore list,packages,here and it may be because of the package you are installing
<hno> Undertasker, resitive touch oanel
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<hno> rz2k, are you sure it's the PMU part and not the clock changes?
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<hno> rz2k, the PMU can be disabled in include/configs/sunxi-common.h
<rz2k> I cant compile it if I comment pmu defines
<rz2k> fails on ld'ing sunxi-spl
<hno> but if it's the clock changes then you need to go back to revision before sun4i & sun5i clock was merged.
<hno> rz2k, how do the link fail?
<hno> probably a forgotten #ifdef.
<hno> rz2k, did you also disable i2c?
<hno> i see that linking will fail if i2c is disabled. but pmu should be possible to disable.
<hno> keeping i2c enabled.
<rz2k> yes, wrong character '#' or something like that, wait I'll power up my testing machine.
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<rz2k> both pmu defines disabled, i2c enabled
<hno> How did you disable it?
<hno> u-boot is abit sensitive about include/configs syntax. It's not entirely C.
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<hno> #if 0 around the lines, or removing them entirely is recommended. Commenting do not always work like expected.
<hno> rz2k, which revision of mele do you have?
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<rz2k> removing helped, I've compiled u-boot without pmu, testing now
<rz2k> mele a2000, revision v1.6, I am able to boot only using cold boot many times till it boots up, or using standard u-boot & reset command.
<rz2k> you've said that I have PMU problems that can be resolved only booting standard chain first (boot0/1->nand uboot-> soft reset - > our uboot)
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<rz2k> damn it, still hangs even with pmu stuff removed from config.
<rz2k> both soft reset & cold boot.
<hno> So it's unstable? Boots sometimes?
<hno> I did not say you have PMU problems, I said u-boot-mmc was ignorant about PMU so things should not work..
<rz2k> it boots 1 out of 50 cold boots, I have various kernel panics appearing during this process.
<hno> Can you test if ff74c8eecc2bda604845369f97636c19d508c417 works?
<hno> that's before clock changes.
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<rz2k> sure.
<hno> and please archive your boot1 header + script.bin somewhere.
<hno> to get boot1 header, boot u-boot from nand and then
<hno> md.b 0x42400000 0x82d0
<rz2k> ff74c8eecc2bda604845369f97636c19d508c417 works
<hno> ok.
<hno> rz2k, please see information request above.
<rz2k> http://pastebin.com/RXAQFBj7 boot1 header
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<hno> Hm,,, what do the MAC do in there?
<cromo> hi. did anyone tried to build the empat0 branch of xbmc for A10? I just did, however I get the segmentation fault when starting up.
<hno> mnemoc, see rz2k paste above. First time I seen anything in boot1 script.bin area.
<hno> starts at 4240009c
<rz2k> no idea what MAC doing there. maybe they've changed boot1 location and thats why I have total hang with new commits.
<rz2k> I just expect all sorts of fail from Allwinner SoCs :>
<hno> rz2k, it looks sane. Just a little unexpected.
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<hno> rz2k, you have 1GB ram in your mele?
<hno> no..
<hno> script.bin lies. boot1 says it's 512.
<rz2k> 512
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<Undertasker> This DVIoverHDMI problem drives me nuts
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<Undertasker> How can Lubuntu generate a proper RGB signal over HDMI, with 1280x800 resolution? The fex file says HDMI and 720p50
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<hno> Undertasker, you got RGB output?
<Undertasker> With Android, no. YCrCb, so the colours on my DVI Monitor are off. But with Lubuntu, I get RGB colours and aspect ratio is nearly ok.
<Undertasker> The timing is not really ok, so the monitor gets out of sync here and there
<Undertasker> The screen utility of Lubuntu says 1280x800, I cant change it to something else. When I use A10_display, the screen goes black, regardless of what option I chose.
<hno> The resolution and output can be set runtime using ioctls. Check if there is anything in rc.local or similar
<Undertasker> hm
<Undertasker> Can't access the sd card now, I have to loop mount the image
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<Undertasker> hno, nothing unusual in the init files. Looks to me like a pretty normal Ubuntu setup.
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<cromo> I think I have a problem starting framebuffer. I don't even know where to start, there's not /dev/fb0, framebuffer is compiled as module (CONFIG_FB_SUNXI=m) and I think relevant modules loaded (cfbcopyarea, cfbimgblt, cfbfillrect). There's no /dev/fbX device however
<cromo> I use 3.0.42+ kernel from end of September
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<rm> cromo, modprobe lcd; modprobe hdmi; modprobe disp; modprobe mali; modprobe fb; modprobe ump; modprobe mali_drm
<rm> (then wave your magic wand)
<cromo> rm: I tried to rmmod hdmi and got kernel error in dmesg
<rm> well I didn't say rmmod
<rm> and yes, they are unremovable
<rm> because quality allwinner code, I suppose
<cromo> I know you didn't I tried that for some other reason
<cromo> just a sec
<rm> and you have to load them in the order I listed (and that has been passed down to be from my ancestors^W^W someone else)
<rm> to me from *
<Turl> your ancestors had cortex-a8? awesome
<Turl> :P
<L84Supper> Adapteva announces $99 Parallella Open Computing Platform http://www.adapteva.com/
<cromo> OK, thanks. I need to reboot though now (and since mele is also my router, I need to get offline for a moment)
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<jelly-home> funny how everyone announces stuff that doesn't actually exist
<L84Supper> they have real docs :)
<jelly-home> L84Supper: are you affiliated with that project in any way?
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<L84Supper> nah, I'm busy with materials science and related 3d printing / electronics
<Turl> it's not a general purpose device
<Turl> it's more like GPGPU
<Turl> but yeah, it's interesting if you need to do parallel computing
<RaYmAn> Turl: except GPGPU usually restricts you to doing the same thing on most cores :P
<L84Supper> they have the 16 core silicon working
<RaYmAn> this supposedly doesn't
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<L84Supper> it still looks like if you don't come across like an asshat to kickstarter they accept your project
<RaYmAn> well, they changed rules for hardware projects lately
<RaYmAn> you have to at least show off a working prototype
<RaYmAn> which I guess they have
<L84Supper> yeah, just in the past few weeks
<RaYmAn> yeah
<L84Supper> before that it was loaded with product concepts, some were just hand sketches
<RaYmAn> yeah :/
<L84Supper> and many of those were funded
* RaYmAn is still waiting for his openvizsla
<L84Supper> yes, handy and low cost
<RaYmAn> I still have faith in that one though
<RaYmAn> but that's only because of the people behind it
<L84Supper> yes, it's not that complicated
<RaYmAn> I suspect that's what thye thought as well
<RaYmAn> but clearly :P
<L84Supper> not sure what their issues are
<L84Supper> it's often personalities vs talent and tech experience
<RaYmAn> yeah
<L84Supper> money is #1
<L84Supper> Oak Ridge had a GPU based cluster that was considered a failure since it required everyone to write their code for the GPU's
<L84Supper> and it was in the petaflops
<L84Supper> that was the perspective from LANL and Sandia Labs
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<L84Supper> but they got funded to built another eve larger version :)
<cromo> rm: thanks, it worked
<L84Supper> built/build
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<rm> I do not believe this Parallella stuff
<rm> could almost bet everyone is going to lose money and not get any devices
<L84Supper> has anyone used their current hardware?
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<afgdsgh> hello
<L84Supper> afgdsgh, you're live
<afgdsgh> is it possible to install on it http://www.hardkernel.com/renewal_2011/products/prdt_info.php?g_code=G133999328931 linux system?
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<L84Supper> http://www.adapteva.com/products/eval-kits/emek3/ was announced last year
<afgdsgh> that answer for me?
<L84Supper> afgdsgh, no, earlier discussion
<RaYmAn> afgdsgh: it's always possible to install some amount of linux on any android device with kernel source. But it depends on what usage you want
<RaYmAn> I mean, you probably won't get graphics acceleration out of the box for example
<afgdsgh> oh, i just want something functional like this http://tidawave.en.alibaba.com/product/631680742-213779321/Mini_Dongle_Uhost_A10_U1.html , where could i install maybe linux system
<Turl> afgdsgh: going by the video embedded on that same page, https://www.youtube.com/watch?v=6DWnwMZxIW0&feature=player_embedded
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<afgdsgh> Turl hmm but its probably for this one http://www.hardkernel.com/renewal_2011/products/prdt_info.php?g_code=G132342040298 which costs 350$(3xmore) ?
<cromo> hmm, I have a problem with lirc, or setserial to be more precise. It hangs the system on "restoring the saved-state of the serial devices". any ideas?
<rm> afgdsgh, why not just get an A10-based device? do your tasks require higher performance (quad-core)?
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<afgdsgh> rm, so ubuntu will work fine on a10 device?
<cromo> *loading the saved-state (...)
<afgdsgh> how ubtuntuu works on a10 processor, full comfortable?
<hno> afgdsgh, Linux distributions runs on most ARM boards today, but as rm said there is issues with hardware acceleration (3D, 2D accel, Video) on nearly all of them. A10 is no miracle boy in that crowd.
<hno> s/ rm /RaYmAn/
<ibot> hno meant: afgdsgh, Linux distributions runs on most ARM boards today, but asRaYmAnsaid there is issues with hardware acceleration (3D, 2D accel, Video) on nearly all of them. A10 is no miracle boy in that crowd.
<afgdsgh> oh, so there will be problems with watching movies/full hd etc..?
<Turl> yes
<Turl> if you want something to watch video, there was a cheap box being sold and supported by the xbmc people
<afgdsgh> oh which one?
<Turl> I don't remember the name :|
<orly_owl> boxee?
<Turl> no, boxee doesn't run xbmc
<afgdsgh> but is it only for watching movies? i need something universal to do many things
<Turl> I think it was called pivos or something like that
<afgdsgh> Turl you meant something from there http://wiki.xbmc.org/index.php?title=Allwinner_A10_devices ?
<Turl> afgdsgh: no, it wasn't an A10
<Turl> I think it was this one http://www.pivosgroup.com/xios.html
<cromo> can anyone running ubuntu/debian on a10 can please try to install setserial and see whether it hangs the system, too?
<afgdsgh> i cant find what processor has this xios device
<Turl> I think it's some MIPS one
<afgdsgh> hm any more details what graphic card exactly is there?
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<Turl> no idea
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<jelly-home> http://hackaday.com/2012/07/14/xbmc-hits-android/ says AML8726-M (no number) for cpu, Mali-400 gpu, no info about video codec
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<afgdsgh> heyt anyone there?
<hno> yes
<hno> but not following links to find what products you link to.
<captainigloo> there is another irc channel spcific to allwinner a10 ?
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<lundman> not with me in it!
<jelly-home> there was supposed to be a cubieboard channel wasn't it
<jelly-home> I guess its inhabitants would be a proper subset of this channel
<captainigloo> there is one :)
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