• [19:51:49] * BeagleBot (~PircBot@ec2-50-17-196-130.compute-1.amazonaws.com) has joined #beagle
  • [19:51:49] * Topic is 'http://beagleboard.org/chat has a guide on how to ask questions and links to the logs | never ask to ask, just ask | be patient | pastebin a boot log | http://ahsoftware.de/Beaglebone_Black_Boot_explained.svg'
  • [19:51:49] * Set by KotH!~attila@lou-outside.kinali.ch on Tue Oct 29 07:13:11 CDT 2013
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  • [19:51:51] <DiegoTc> could you explain to me more about this two project you are the mentor: BoneScript web pages with live-running examples and documentation
  • [19:51:59] <DiegoTc> and node-webkit based cross-platform getting-started app
  • [19:52:34] <DiegoTc> if you don't have a lot of time, the first one will be, better for me :)
  • [19:52:38] <jkridner> I have a repo at http://github.com/jadonk/bone101 where I've got some live-running examples...
  • [19:52:51] <jkridner> many are hosted live at http://beagleboard.org/Support/BoneScript...
  • [19:53:03] <jkridner> I'd like to make them easier to use....
  • [19:53:10] <jkridner> more "wizard-like"...
  • [19:53:25] <jkridner> and also add many more supported sensors and actuators.
  • [19:53:28] * drkfdr (~darkfader@2001:610:600:896d:4099:46d:f449:cd9d) has joined #beagle
  • [19:53:56] <DiegoTc> :o I thought it was similar to arduino documentation
  • [19:54:03] <DiegoTc> I see I got you better now
  • [19:54:03] <jkridner> Right now, you have to reload the page to stop the scripts from running... that isn't fun.
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  • [19:54:28] <jkridner> I want to make something as useful as playground, but even easier and interactive.
  • [19:54:40] <Jonnyw2k> id +1 this!
  • [19:54:45] <jkridner> integration of tools like sketchpad.cc are especially interesting.
  • [19:54:54] <Jonnyw2k> a playground, that actually runs on the beaglebone :)
  • [19:55:00] <jkridner> exactly...
  • [19:55:06] <jkridner> managed by git.
  • [19:55:25] <DiegoTc> :o interesting
  • [19:55:29] <DiegoTc> managed by git
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  • [19:55:55] <jkridner> with the upcoming Debian release, the contents of /var/lib/cloud9 (where the IDE points) will actually be http://github.com/jadonk/bone101 (er, http://github.com/beagleboard/bone101)...
  • [19:56:13] <jkridner> and you'll be able to edit the web pages.
  • [19:56:20] * jkridner is interrupted by a phone call.
  • [19:56:26] <DiegoTc> ok
  • [19:57:21] * JarrettV (~Jarrett@99.4.112.26) Quit (Ping timeout: 245 seconds)
  • [19:59:19] <Vaizki> boning interrupted, please hold
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  • [20:05:15] <DiegoTc> jkridner: when you come back
  • [20:05:16] <DiegoTc> One more question, you are assuming that the user is going to have an account. Having the posibility to add their github account and import the repos that he has running examples. Or there's only going to be one administrator? And the administrator will create all documentation, and new users will only edit it?
  • [20:07:50] <jkridner> Expectation is that everyone creates forks on github and pushes to their own forks, then they create pull requests....
  • [20:08:22] <jkridner> so, end users would create documentation and I would simply merge it.
  • [20:08:45] <jkridner> all sorts of documentation is possible, such as how to make a temperature sensor Tweet.
  • [20:08:57] <jkridner> some fundamental framework additions are required...
  • [20:09:36] * willingc (~willingc@cpe-75-80-19-24.san.res.rr.com) Quit (Remote host closed the connection)
  • [20:09:40] <jkridner> such as specifying where the board is on the network in a more wizard-like fashion that is clearer. The current dialog box doesn't always convey clear meaning to people or tell them how to debug their connection.
  • [20:09:47] * willingc (~willingc@cpe-75-80-19-24.san.res.rr.com) has joined #beagle
  • [20:10:03] <DiegoTc> i got you
  • [20:10:34] <jkridner> There is need to create a security layer.
  • [20:10:47] <DiegoTc> do you have some of those additionals frameworks? or is the developer choice?
  • [20:11:32] <jkridner> as far as tools like jQuery, etc., it is developer choice but we'd have an interactive discussion about the design decisions.
  • [20:12:01] <jkridner> It should be something long-lived and maintainable.
  • [20:12:04] <jkridner> and open source.
  • [20:12:26] <DiegoTc> of course open source (L)
  • [20:12:49] <jkridner> for the stand-alone app, the idea is to take the same materials and put them into a downloadable app with a couple of additions...
  • [20:13:02] <DiegoTc> when you mean interective discussion you mean you and the student, or the beagleboard team
  • [20:13:06] <jkridner> most notably, the ability to boot/flash the board.
  • [20:13:20] <jkridner> the student and any involved mentors....
  • [20:13:31] <DiegoTc> oki doki
  • [20:13:38] <jkridner> I would be looking to recruit a couple more mentors beyond just me if the project proposal is good.
  • [20:13:48] <DiegoTc> I actually like this project idea
  • [20:13:49] <jkridner> (and we are accepted as a mentoring organization)
  • [20:14:01] <DiegoTc> assuming and crossing fingers :)
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  • [20:14:41] <jkridner> https://github.com/ungureanuvladvictor/BBBlfs is a bit of a basis for bootloading.
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  • [20:15:37] <DiegoTc> jkridner: I will start to investigate about this, could it be posible if I bother you during the week to discuss what I will like to do
  • [20:15:37] * iandow (~iandow@184-100-193-203.ptld.qwest.net) Quit (Read error: Connection reset by peer)
  • [20:15:38] <jkridner> non-os-based applications should also be able to be booted.
  • [20:15:55] <DiegoTc> lets said like a pevious proposal
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  • [20:16:01] <jkridner> please, bother away. I will do my best to answer, but no guarantees.
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  • [20:16:32] <DiegoTc> thanks jkridner :)
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  • [20:21:14] <Jonnyw2k> Bootflash!
  • [20:21:27] <Jonnyw2k> OMG... the ammount of time I got my beaglebone black booting from USB lol
  • [20:21:44] <Meta_Riddley> Has anyone used QNX Neutrino on the BBB?
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  • [20:25:25] <ZiNC> Anyone using a CP2102-based USB/serial adapter?
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  • [20:25:49] <ZiNC> Got one of those on eBay. Its 3.3V output is closer to 3.5V, and I wonder why.
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  • [20:27:56] <_av500_> it being cheap a good reason?
  • [20:28:11] <_av500_> also, it might be the unloaded state
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  • [20:29:01] <ZiNC> As far as I can see the regulator is completely self-contained to the CP2102.
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  • [20:29:40] <ZiNC> No load after the chip.
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  • [20:30:34] <ZiNC> The specs list 3.3V as typical, and 3.6V max. What would be reasons for variance?
  • [20:30:42] <_av500_> physics
  • [20:30:47] <ZiNC> :)
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  • [20:31:05] <_av500_> physics messes up all things
  • [20:31:19] <ZiNC> You wouldn't expect closer to TYP usually rather than MAX?
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  • [20:37:38] <IanWizard-Cloud> A while back I got an RPi to use as a media server. Not too long after, my GTV died, and the RPi ended up taking it's place, (no XBMC, just ssh for controls and playing directly to the FB). Now recently, my RPi died. I'm working on a media pc, but I need something now, until it's done. Additionally, I have a project in about a month, where I'm going to
  • [20:37:38] <IanWizard-Cloud> use a BBB. So to my actual question... I know that the RPi has VideoCore, and the BBB relies on software decoding. I'm not watching anything HD, and it's almost always mp4. So, would the BBB be able to keep up, to get me through the month, until I repurpose it, or should I get an RPi. And a BBB at the time?
  • [20:38:04] <IanWizard-Cloud> (A very long winded version of a simple question ^^ )
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  • [20:41:42] <prpplague> IanWizard-Cloud: if that is all you are planning to use it for, get an RPi
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  • [20:42:12] <Vaizki> yes get an rpi
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  • [20:42:35] <IanWizard-Cloud> prpplague: well, I was going to get a BBB for a project in a month anyway, so I was hoping I could get by, and only get one.
  • [20:42:44] <IanWizard-Cloud> Though I suppose there's always uses for these things :P
  • [20:42:51] <Vaizki> if you want your BBB in a month, order today
  • [20:43:05] <Vaizki> or 2 weeks ago
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  • [20:43:32] <IanWizard-Cloud> Vaizki: oh yeah, it comes back in stock tomorrow at sparkfun or adafruit, one of the two. (at least that's the hope.)
  • [20:44:09] <Vaizki> now you just have to be quick enough to get one :)
  • [20:44:10] <prpplague> IanWizard-Cloud: i'd recommend getting a RPi for your video stuff
  • [20:44:11] <IanWizard-Cloud> I was planning on ordering it tomorrow either way.
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  • [20:44:57] <IanWizard-Cloud> prpplague: yeah. I will. I'm sure I'll have another use for it eventually anyway.
  • [20:47:53] <Jonnyw2k> Yeah I ordered mine last month... to get it next month :)
  • [20:48:09] <IanWizard-Cloud> Jonnyw2k: where?
  • [20:50:38] * phant0mas (~quassel@147.95.121.157) Quit (Ping timeout: 264 seconds)
  • [20:50:48] <Jonnyw2k> UK Farnell
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  • [21:01:17] <ZiNC> av500: BTW, I didn't check that 3.3V@3.49 connected to the BBB, but as far as I understand the 335x's max recommended for 3.3 is 3.465V.
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  • [21:05:59] <Vaizki> ZiNC: the pmic has a load of regulators to put out stable power for multiple voltages and it's not so picky on the voltage
  • [21:06:06] <Vaizki> input voltage
  • [21:06:18] <ZiNC> Though, these are serial signals on J1.
  • [21:06:45] <ZiNC> I don't know if they connect directly, though.
  • [21:06:48] <Vaizki> j1? the "debug serial"?
  • [21:07:32] <ZiNC> Yes.
  • [21:07:42] <Vaizki> there's a buffer chip on the debug serial.. which is 5V tolerant. I've run 5V TTL serial to it without any trouble
  • [21:07:50] <ZiNC> Oh.
  • [21:07:56] <ZiNC> Which one is it?
  • [21:08:04] <Vaizki> let me check
  • [21:08:21] <ZiNC> I don't have the board next to me.
  • [21:08:27] <ZiNC> Looking for a photo online. :)
  • [21:09:23] * phant0mas (~quassel@147.95.121.157) Quit (Ping timeout: 252 seconds)
  • [21:09:28] <Vaizki> SN74LVC2G241
  • [21:10:07] <Vaizki> and yes I'm glad they put it there :)
  • [21:10:11] <Vaizki> thanks guys!
  • [21:10:15] <ZiNC> Y1?
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  • [21:10:51] <Vaizki> it's labeled as U15 in the schematic
  • [21:11:14] <ZiNC> Hmm, yeah, too few pins.
  • [21:11:18] <ZiNC> Thanks for the info. :)
  • [21:12:06] <Vaizki> ok it's on the bottom of the board
  • [21:12:40] <Vaizki> looks like U6 label on my board
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  • [21:13:12] <Vaizki> no sorry it's the smaller one.. U15 it says
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  • [21:15:25] <Vaizki> http://pansenti.files.wordpress.com/2013/05/two-host-port-bbb.jpg
  • [21:15:39] <Vaizki> you can see it in that image.. right of the white bar-shaped area
  • [21:16:24] <iandow> 2 solid weeks of troubleshooting, and I finally discover the magic formula for functional wifi on beaglebone.
  • [21:16:40] <Vaizki> running it off the dc jack and not usb?
  • [21:16:47] <iandow> usb
  • [21:16:53] <ZiNC> BTW, where's J1 in the schematic?
  • [21:17:09] <iandow> i mean, dc
  • [21:17:14] <Vaizki> ZiNC: Sheet 4/11
  • [21:17:23] <Vaizki> on the left edge
  • [21:17:50] <ZiNC> Thanks, yeah, I see it.
  • [21:18:04] <ZiNC> From the photo it looks like not only pins 1,4,5 are connected.
  • [21:18:58] <ZiNC> No, scratch that.
  • [21:19:16] <Vaizki> I should take better photos of the BBB boards and put them on the wiki or something
  • [21:20:08] * Remi (cb2c1e42@gateway/web/freenode/ip.203.44.30.66) has joined #beagle
  • [21:20:47] <Remi> hello, I am trying to write some files to the partition served with the usb mass store gadget but they don't show up to the usb host pc until I reboot the bbb
  • [21:20:47] <ZiNC> Or images of all PCB layers.
  • [21:21:00] <Remi> is there a way to refresh these without rebooting?
  • [21:24:38] <prpplague> Vaizki: do you have your procedure documented somewhere?
  • [21:24:51] <Vaizki> what procedure?
  • [21:25:32] <Vaizki> oh that dual host usb thing? it's not mine. just was a handy pic to show the buffer
  • [21:26:07] <prpplague> Vaizki: is it posted somewhere?
  • [21:26:26] * phant0mas (~quassel@147.95.121.157) Quit (Ping timeout: 252 seconds)
  • [21:26:44] <Vaizki> http://pansenti.wordpress.com/2013/05/27/beaglebone-black-with-two-usb-host-ports-it-can-be-done-but-its-not-easy/
  • [21:26:46] <Vaizki> there
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  • [21:27:37] <prpplague> Vaizki: thanks
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  • [21:28:44] <ZiNC> Remi: Not sure, but maybe look at g-storage-reinsert.sh.
  • [21:29:36] <ZiNC> https://github.com/Angstrom-distribution/meta-ti/blob/master/recipes-ti/beagleboard/gadget-init/g-storage-reinsert.sh
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  • [21:30:08] <ZiNC> Not sure why network is stopped as well.
  • [21:30:51] <Remi> this causes the host to see the storage device as disconnected
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  • [21:31:27] <ZiNC> What, g-storage-reinsert?
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  • [21:34:07] <ZiNC> iandow: What's that magic formula?
  • [21:34:39] <ZiNC> Vaizki: When using 5V serial input, does it output 5V as well?
  • [21:34:47] * Mounicq (~Icedove@local.paul-lacoste.fr) has joined #beagle
  • [21:35:20] <Remi> @ZiNC sorry I'm confused now. That just restarts the gadget init service?
  • [21:35:37] <Remi> I restarted it and nothing happened
  • [21:36:16] <ZiNC> Remi: I didn't try, just searched on the web.
  • [21:37:19] <ZiNC> But g_mass_storage does look like it should be it.
  • [21:38:25] * Max_ (5c8b0fd8@gateway/web/freenode/ip.92.139.15.216) has joined #beagle
  • [21:38:30] <ZiNC> Better wait for someone who's familiar with all this. :)
  • [21:38:32] * BobCat (~Bob@unaffiliated/bobcat) Quit (Ping timeout: 252 seconds)
  • [21:40:18] <Vaizki> ZiNC: of course not
  • [21:41:17] <ZiNC> Don't 5V serial adapters (or in 5V mode) expect similar input levels?
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  • [21:42:51] <Remi> yeah thanks ZiNC it might be a starting point
  • [21:43:09] <Remi> only thing is on bbb I get Error: Module g_mass_storage is not currently loaded
  • [21:43:10] <iandow> ZiNC: I may have spoken too soon. My wlan0 interface just went down after 57 minutes. I thought the magic was to install ubuntu (instead of angstrom) and use an rtl8188 device
  • [21:43:20] <Vaizki> well you can check the datasheets but 3.3V is detected a high by the ttl serial converters I've used
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  • [21:43:46] <iandow> ZiNC: I've been really struggling to get an atheros-based usb adapters to work in Angstrom. Mysteriously, it would work fine for 28 minutes, then freeze up, and wlan0 would go down. Same device in ubuntu would do the same thing (freeze up after 28 minutes)
  • [21:44:04] <Vaizki> I think the limit voltage is somewhere around 2V for a 5V TTL serial converter
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  • [21:45:07] <ZiNC> 2V seems extreme for Vih.
  • [21:45:14] <ZiNC> Well, unlikely? :)
  • [21:45:28] <iandow> ZiNC: correction, rtl8192cu driver is what I'm using now. not 8188
  • [21:45:29] <Vaizki> hmh?
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  • [21:45:45] <ZiNC> iandow: Are there other chipsets that work okay with Angstrom?
  • [21:46:14] <ZiNC> Vaizki: For a 5V range to have <2.5V for high.
  • [21:46:19] * mrpackethead (~mrpacketh@147.200.109.203.static.cust.vf.net.nz) Quit (Remote host closed the connection)
  • [21:46:35] <ZiNC> Remi: That's what it says when you start it?
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  • [21:48:17] <ZiNC> I'd guess there's a simpler way, though, than restarting the whole thing. Maybe someone in #linux would know.
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  • [21:52:25] <Vaizki> ZiNC: well I'd have to try it to be sure. but I've had no problems yet sending a 3.3v TTL serial output to a 5V serial input
  • [21:52:45] <ZiNC> Wikipedia seems contradictory on that.
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  • [21:54:28] <myself> It's not guaranteed to work, because if the 3v3 "output high" level is at the low end of its spec, it might fall below the low end of the 5v "input high" sensitivity. In practice it's almost certainly fine, but check the datasheets for both ends, and consider the speed at which you're running, and the loading effects of the transmission line between them.
  • [21:55:25] <ZiNC> For some reason I can't find any standards docs on that.
  • [21:55:30] <ZiNC> Surely they exist?
  • [21:55:51] <ZiNC> This suggests 2V Vih for 5V: http://www.interfacebus.com/voltage_threshold.html
  • [21:56:19] <Vaizki> I know it's not guaranteed to work. but if I get a console that works I have a console that works
  • [21:56:33] <Vaizki> I would not leave it in use for inter-board communication or anything like that
  • [21:56:41] <ZiNC> Sure.
  • [21:56:52] <ZiNC> I'm just curious about the details. :)
  • [21:57:19] <Vaizki> sure and I'd imagine that FTDI datasheets for example would specify the threshold voltage
  • [21:57:34] <ZiNC> Sure.
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  • [22:09:11] <ZiNC> Looks like TTL is Vih=2, and 5V max in general. LVTTL is still Vih=2 and 3.3V(/3.6?) max. CMOS appears to be Vih=0.7*Vcc for whatever Vcc.
  • [22:09:12] <ZiNC> Maybe.
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  • [22:10:11] <Vaizki> at least for RPi the Vih is < 2V if I remember correctly. somewhere around 1.7V
  • [22:10:38] <ds2> what exact are you guys doing ?
  • [22:11:17] <ZiNC> Wondering about logic voltage level standards. :)
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  • [22:17:15] <ds2> hmmm ok
  • [22:17:33] <ds2> aimlessly wondering about logic level standards... must be fun to do
  • [22:19:09] <ZiNC> Why aimlessly?
  • [22:19:19] * eFfeM (~frans@c73189.upc-c.chello.nl) Quit (Quit: Leaving.)
  • [22:20:09] <Vaizki> I'm not wondering, just relating my experiences :)
  • [22:20:24] <Vaizki> which may or may not apply to anything else
  • [22:22:55] <ZiNC> I bet it also doesn't reflect the opinion of your employer?
  • [22:23:07] <s5fs> not contractually ;)
  • [22:23:41] <s5fs> i'm at a trade show demo'ing beta software on alpha hardware. i'm even more bald than when i arrived.
  • [22:24:05] <ZiNC> It's the food.
  • [22:24:06] * vmayoral|work (~vmayoral|@ppp-194-214.15-151.iol.it) Quit ()
  • [22:24:46] <s5fs> ah, so the high price is a surcharge for chemical baths
  • [22:25:20] <ZiNC> Chemical trade show?
  • [22:25:41] <s5fs> nope, veterinary
  • [22:25:57] <s5fs> i work interesting contracts
  • [22:25:59] <ZiNC> :-/
  • [22:26:17] <s5fs> my last really neat gig was performance testing emergency 911 call center software
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  • [22:27:00] <ZiNC> No hardware there?
  • [22:28:20] <ds2> why not?
  • [22:28:21] <s5fs> at the call center? no
  • [22:28:37] <s5fs> i mean, of course there was, but that wasn't my end of the contract
  • [22:28:54] <ZiNC> Yeah.
  • [22:28:57] <s5fs> however, the 911 operators had crazy workstations with 4 monitors, it was pretty cool
  • [22:29:16] <s5fs> since most police and emergency vehicles have gps you could see them traveling in real time
  • [22:29:24] <ZiNC> Big brother always watches.
  • [22:29:40] <s5fs> good thing we love big brother ;)
  • [22:29:53] <ZiNC> Big brother loves you too. :)
  • [22:30:51] <Vaizki> talking of big brother and emergencies, Kiev is pretty hot right now..
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  • [22:35:13] <s5fs> I have an issue with dropbear, after boot it fails within a few seconds. The listener on 0.0.0.0:22 goes away but the IPv6 listener persists. If I hurry, I can ssh in once before the listener dies. Has anyone seen similar behavior?
  • [22:35:30] <s5fs> I'm using a stock Angstrom build from CircuitCo
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  • [22:36:29] <s5fs> If I restart dropbear it works fine. Also, dropbear is started via init scripts and not systemd, but systemd is responsible for the socket? What?
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  • [22:41:06] <iandow> Wierd, wierd wierd. I have one wifi adapter that freezes my beaglebone's wlan0 consistently after 1 hour, and another that freezes consistently after 30 minutes of uptime. What could be causing this???
  • [22:41:21] <iandow> power management?
  • [22:41:50] <ahsanalishahid> iandow: check Power adapter's current rating
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  • [22:42:39] <iandow> It's just the power supply that came with the device. I can't imagine its underrated.
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  • [22:43:07] <ahsanalishahid> BBB?
  • [22:43:15] <iandow> no, the white one
  • [22:44:08] <ahsanalishahid> Umm, I got a BBB but there was no adapter came with it. Only usb Cable.
  • [22:44:23] <ahsanalishahid> I use 5V 2A adapter and works fine
  • [22:44:36] <ahsanalishahid> *wifi
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  • [22:45:23] <iandow> yup that's what ive got. 2amps
  • [22:45:47] <iandow> if I pull out and reinsert the usb wifi adapter, it comes back up.
  • [22:45:58] <iandow> wlan0 comes back up that is
  • [22:46:10] <vicash> iandow: can you try replicating this problem without a BBB
  • [22:46:24] <ahsanalishahid> umm, then try updating angstrom
  • [22:46:27] <vicash> iandow: you want to make sure that the wifi adapter is not the problem vs the BBB
  • [22:46:52] <vicash> iandow: make sure the wifi adapter doesn't show the same issues when connected to another computer or another BBB if you want to just limit to BBBs
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  • [22:47:45] <vicash> iandow: i see that you're using a BBW ;) you may want to upgrade to the latest OS. kernel fixes might have fixed the problems you're seeing
  • [22:48:51] <iandow> I think there's a power management task that runs on the hour, which I need to disable.
  • [22:49:51] <vicash> iandow: that may or may not be good thing to do. You can check the syslog to see when the wifi adapter loses power or connectivity to verify that the problem is indeed with Power Mgmt and not with the adapter itself
  • [22:50:37] <vicash> iandow: you can also regularly ping the wifi adapter using wifi commandline tools like iw to keep it alive and running
  • [22:50:49] <iandow> i have bene
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  • [22:53:16] <vicash> iandow: if power management were shutting your wlan0 down then you would also see your eth0 shut down or any USB connected device shut down. i dont think that happens in the latest version of the Angstrom OS.
  • [22:53:37] <iandow> I'm running ubuntu, btw
  • [22:54:48] <vicash> iandow: then seems like you need to fix the network-manager settings in Ubuntu rather than anything else. you could setup network-manager to perform some logging in detail to see where and why the wlan0 is failing. until you do that you're just guessing the problem and not approaching the solution unless your guess is correct.
  • [22:55:25] <vicash> iandow: power management doesn't disable USB devices connected to the BBB.
  • [22:55:28] <iandow> good idea. Time to go mine the logs
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  • [23:17:14] <Jonnyw2k> BLOODY SPLITTING NETS
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  • [23:54:48] <sdegutis> hello
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  • [23:55:53] <sdegutis> hello
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