IRC log for #neo900 on 20150513

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16:41.26WizzupDocScrutinizer51: hiya, I have all the cables etc ready for my charging while in hostmode test, but I'm not sure what exact program I should use. I have the h-e-n, and something with the same icon named "USB mode"
16:41.46Wizzupthe links you have me mention a charger script, but that is a 404
16:41.58Wizzupyou mentioned that "Pali's GUI" could do it, but I don't know what that one is
16:45.54Wizzupre-reads posts
16:46.05Wizzupthey seem to contain some contradicting info I think
16:46.12Wizzuphttp://talk.maemo.org/showthread.php?p=921203#post921203 and http://talk.maemo.org/showthread.php?p=907080#post907080 I mean
16:46.27Wizzupone of them suggests to add the external charger at the last moment
16:46.33Wizzupthe other one says you can keep it plugged in all the time
16:49.22Wizzupah--the actual post contains the script
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17:34.25DocScrutinizer05didn't you mention a "host with charging" option in one of your GUIs you use?
17:34.46DocScrutinizer05that should do
17:35.26DocScrutinizer05iirc one of the last additions Moh made to H-E-N GUI was to allow charging-hostmode
17:35.36DocScrutinizer05~hostmode-charging
17:35.36infobothostmode-powered is probably http://talk.maemo.org/showthread.php?p=921203#post921203
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17:55.03WizzupI managed!
17:55.13WizzupI just had to plug in the charger after I selected the mode
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18:30.36achello
18:32.57ac_laptopI would like some details about the modem choice on the down payment page
18:33.15ac_laptopdoes LTE include utms or not ?
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18:51.16ac_laptopok it does, but does the lte europe chip provides utms worldwide ?
19:14.16DocScrutinizer05alas not
19:14.45DocScrutinizer05the LTE modems are not very much "roaming"-affine
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19:23.52DocScrutinizer05urgent service downtime warning from our server hoster: >> Start:          13. Mai 2015 20:00:00 CEST Ende:           13. Mai 2015 23:59:00 CEST (voraussichtlich)<<  Duration: "probably a few minutes"
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19:33.25DocScrutinizer05ac_laptop: please see http://neo900.org/faq#networks http://talk.maemo.org/showthread.php?t=93095 and particularly the resources linked in post #18 there http://talk.maemo.org/showthread.php?p=1423824#post1423824
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19:52.04sno__awesome
19:52.14ac_laptopDocScrutinizer05: ok, thanks
19:52.31DocScrutinizer05ac_laptop: very welcome
19:52.33sno__Any news on then you expect to release just the complete board
19:52.42sno__no need for the shell as i have plenty of those
19:52.48sno__then  = when
19:52.58DocScrutinizer05I hope for this year
19:53.06sno__thats really great news
19:53.12sno__i am ready to buy right away
19:53.20DocScrutinizer05but generally the usual applies: "it's ready when it's done"
19:53.32DocScrutinizer05;-)
19:53.57DocScrutinizer05you know Murphy's law, do you? :-)
19:54.33bencohhush, dont summon murphy
19:54.48DocScrutinizer05on the bright side: we now have a pretty good idea down to the last chip how the device shall look like
19:54.51sno__http://i57.tinypic.com/zuqq1l.jpg I took one of the new n900's home today, i really like the keyboard and I can't wait to drop in the finished main board
19:55.48DocScrutinizer05:-D
19:56.13sno__I no longer use the 5s or even upgrade my main phone anymore due to privacy concerns, using an old nokia for now until neo 900
19:56.27DocScrutinizer05We appreciate every single DIY modder, since the N900 are one of the hardest parts to source
19:56.42sno__I have 8 n900's lying around
19:56.49sno__all in new condition
19:57.23sno__my business repairs phones, so I collect many of them over the years
19:57.31sno__all obsolete so they are sat collecting dust
19:57.48sno__until I found out about your project I quickly put them to one side after that
19:57.49DocScrutinizer05we *could* go build our own mech parts (particularly slider mechanism) but that only gets into reach for a few 1000s
19:58.07sno__the slider mech was one of the common failure points
19:58.18sno__I used to repair them about 6 years ago :D
19:58.20DocScrutinizer05Ohh?
19:58.32DocScrutinizer05what happened to the slider?
19:58.50sno__dust or debris would get down the back of the phones and then grind away at the flex cable
19:58.55sno__eventually the lcd would stop working
19:59.03DocScrutinizer05I think it could go wobbly but harly breaks
19:59.23DocScrutinizer05yeah, the FLEX is a completely different story
19:59.38sno__oh yes the actual mechanism is solid
19:59.54DocScrutinizer05flex cable actually is defect culprit #2 right after USB jack
20:00.46sno__actually the usb jack is soldered solidly to the board its just people would try to plug in micro usb leads the wrong way and press way too hard
20:01.23DocScrutinizer05I think the problem is with unplugging and applying bending force during that
20:01.34sno__hmm
20:02.25sno__i always use my nails to push aay at the housing when removing
20:02.30DocScrutinizer05as a general rule never hold the device while unplugging. Just push against case next to the plug
20:02.32sno__never broken any of my phones
20:02.41sno__bingo
20:02.47DocScrutinizer05exactly what I do as well :-)
20:04.01sno__is the baseband completely partmentalised?
20:04.19sno__a baseband exploit and then return into user memory is not possible?
20:04.25DocScrutinizer05yes, so absolutely totally completely you wouldn't dream it up :-)
20:04.57bencohsno__: usb
20:05.43DocScrutinizer05we not only reduce data lines to modem to mere USB, we even have current monitors and RF monitors and an external power switch, and we monitor *all* signal lines for suspicious activity
20:06.11sno__can i temp disable the wrote strobe to main storage when plugging into usb?
20:06.15sno__write
20:06.27sno__I mean like a hardware switch
20:06.28DocScrutinizer05err sorry?
20:06.48bencohsno__: I'd just use a usb cable with D+/D- shortened (or cut)
20:06.52sno__when plugging the device into a computer can it be exploited at that time?
20:06.53DocScrutinizer05the complete Mentorgraphics USB controller engine is completely under CPU control
20:07.25DocScrutinizer05sno__: nope
20:07.39DocScrutinizer05not even on power-up
20:07.53DocScrutinizer05as long as you got a valid bootloader chain in NAND
20:10.03DocScrutinizer05unlike any other phone (with ADB? etc) the Neo900 at no time is vulnerable to rooting via USB
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20:10.43sno__can the baseband know how much power the cpu is using at a given time?
20:10.51DocScrutinizer05no
20:11.00DocScrutinizer05not really
20:11.14DocScrutinizer05could do fancy guessing from battery voltage
20:11.32sno__does the cpu emit electromagnetic emissions that may help an adversary determine which instructions are being executed
20:12.01DocScrutinizer05I can't comment on this, we have no instrumetation to even check
20:12.12bencohit's a (regular) omap3
20:12.34DocScrutinizer05probably CPU _does_ emit such RF, but on a very low signal level
20:12.42bencohDocScrutinizer05: neo900.org is down (?)
20:12.59DocScrutinizer05urgent service downtime warning from our server hoster: >> Start:          13. Mai 2015 20:00:00 CEST Ende:           13. Mai 2015 23:59:00 CEST (voraussichtlich)<<  Duration: "probably a few minutes"
20:13.14bencohokay
20:13.45specingserver hoster be like: "brb installing rootkits"
20:14.00DocScrutinizer05==> HTTP <==
20:14.02DocScrutinizer05State is now:   OK       (21:49h 2015.05.13)
20:14.03DocScrutinizer05State before:   ERROR    (was 6 minutes)
20:14.05DocScrutinizer05Service params: path=/ port=80
20:14.23sno__what about a custom emi shield for the cpu?
20:14.43sno__i could just add my own nm
20:15.13DocScrutinizer05we will comply with the rather harsch German CE emi regulations. Even a custom shielding doesn't rule out signals escaping
20:16.41DocScrutinizer05as a general rule EMI from CPU only gives *hints* on what the CPU is doing, it's not like a wireless in-circuit debugging channel
20:17.32DocScrutinizer05yes, you probably could fingerprint e.g. john-the-ripper, but you can NOT tell what key it tries to crack
20:18.41sno__are you selling any working beta?
20:18.52DocScrutinizer05also to give an idea, I guess the maximum distance you could receive and decode any EMI form CPU is 5 meters
20:18.56DocScrutinizer05if at all
20:19.01DocScrutinizer05razher more like 10cm
20:19.47bencohhmm, 600mhz (clockrate) at light speed is more than 10cm
20:19.50DocScrutinizer05sno__: we're about to build first working *complete* prottype, with externally attached CPU-board (BB-xM)
20:20.05bencohbut yeah, we're talking about a few microamps
20:20.16bencoh(or mili maybe)
20:20.23bencoh(at most)
20:22.01DocScrutinizer05bencoh: the main topic to look at when it comes to CPU EMI is antenna length and thus antenna gain
20:22.38sno__fractal antennas can do amazing things
20:22.39DocScrutinizer05the antenna length generally is in the sub-mm range
20:23.30DocScrutinizer05plus the CPU is already shielded from both sides, by a massive copper plabne below and a 3 RAM/NAND cips in PoP
20:23.36DocScrutinizer05chips*
20:24.27DocScrutinizer05thus I doubt much RF can get generated and actually transmitted by the ALU or other IPs on the SoC
20:24.59DocScrutinizer05prolly what's radiating most are the power supply lines to CPU core
20:26.21sno__well i'm already sold, i'm tired of the usual qualcomm/mediatech backdoored crap
20:26.27DocScrutinizer05you *could* "trace" a code execution if you knew *exactly* the code that gets executed. But that's totally impossible to predict on a multitasking system
20:26.49DocScrutinizer05sno__: hehe, so are we
20:26.53bencoh+1
20:28.07DocScrutinizer05and again, my educated guess on RFI/EMI is: no way more than 10cm distance
20:29.01DocScrutinizer05I would bet my ass on anybody trying to implement such attack fails for years even with direct physical contact to SoC allowed (modulo attaching wires to the circuit)
20:30.55DocScrutinizer05sno__: the qualcom/MTK crap has one huuuge advantage: it's incredibly cheap compared to our design
20:31.44DocScrutinizer05Moore's law doesn't stop at SoCs
20:32.19DocScrutinizer05we're using 2007 technology
20:32.27DocScrutinizer05at 2007 prices
20:33.25DocScrutinizer05nowadays you get a complete smartphone on a chip for what we pay for the OMAP3 alone
20:34.04sno__even if no one is trying to "hack" my phone theres just a nice feeling of being liberated by using something like neo 900
20:34.51DocScrutinizer05yes, absolutely. I don't want to ever have to surrender to Android or Winphone or iOS
20:35.58DocScrutinizer05I want *me* _owning_ the phone, *not* any Apple or Google or M$
20:36.18DocScrutinizer05or Nokia (Harmattan)
20:36.48DocScrutinizer05==> HTTP <==
20:36.49DocScrutinizer05State is now:   OK       (22:28h 2015.05.13)
20:36.51DocScrutinizer05State before:   ERROR    (was 16 minutes)
20:36.54sno__why is it called neo?
20:37.14DocScrutinizer05because it's based on Openmoko Neo Freerunner and N900
20:37.16sno__the first to free people from the tryanny we live under ?
20:37.38bencoh:-)
20:37.38sno__oh
20:37.43DocScrutinizer05Name was the brightest idea in whole project
20:39.14bencohlet's hope it still packs with other bright/brilliant stuff ;)
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22:47.02DocScrutinizer056 customers out of 20 voucher mails, not half bad
22:47.08DocScrutinizer05:-)
23:01.20wpwraknow if we just knew how many actually saw the mail :)
23:02.42jonsgerso you have about 125 customers?
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23:27.44bencohlet's hope it's more than that
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