| DocScrutinizer05 | anyway there's no way whatsoever you could make sure or even just find out about SR status on your device | 00:00 |
|---|---|---|
| Mike11 | hello everybody :) | 00:01 |
| DocScrutinizer05 | unless you have a lab equpped with instruments that cost in the 6 digit rnage | 00:01 |
| Mike11 | I have a nokia n900 , with a very stupid problem with its camera | 00:01 |
| Mike11 | when it is dark , the flash works but right before the lens takes the picture | 00:01 |
| Mike11 | so the picture is always dark | 00:02 |
| DocScrutinizer05 | oooh | 00:02 |
| DocScrutinizer05 | that's indeed stupid | 00:02 |
| Mike11 | hahaha lol :D | 00:02 |
| DocScrutinizer05 | are you sure you haven't disabled flashlight? | 00:02 |
| hxka | DocScrutinizer05: I must admit I'm not competent enough to tell if that makes sense. | 00:02 |
| Mike11 | do you think that is software related!? | 00:02 |
| Mike11 | no it is Automatic in camera settings | 00:03 |
| Mike11 | I have the package flashlight installed | 00:03 |
| DocScrutinizer05 | when flash disabled, I think it still uses flashlight for autofocus | 00:03 |
| DocScrutinizer05 | Mike11: honestly? reflash the device, then test without any of your usual apps installed (yet) | 00:04 |
| DocScrutinizer05 | no better idea on my side | 00:04 |
| Mike11 | yes thanks man :D | 00:05 |
| Mike11 | flashlight allows me to use the mobile as a torch | 00:05 |
| DocScrutinizer05 | make a BM backup and a standard osso backup | 00:06 |
| Mike11 | I don't think it is the one causing problems though | 00:06 |
| DocScrutinizer05 | then flash the rootfs | 00:06 |
| DocScrutinizer05 | then test | 00:06 |
| DocScrutinizer05 | then use the osso backup to restoe one app after the other, and test in between | 00:06 |
| Mike11 | that will take too long :( but looks like it is the only way :( | 00:06 |
| DocScrutinizer05 | when you think you found the culprit, restore from BM backup and uninstall the culprit | 00:07 |
| Mike11 | can it be the super user kernel!!?? | 00:07 |
| Mike11 | thanks for your time man :) | 00:07 |
| DocScrutinizer05 | I doubt it's kernel related | 00:07 |
| DocScrutinizer05 | probably a smart bisect startegy with installing apps can considerably reduce the time to spot the culprit | 00:08 |
| Mike11 | also I was trying to install gcc compiler on n900 , but I have a problem with header files :( | 00:08 |
| Mike11 | a program with no includes that does nothing compiles | 00:09 |
| DocScrutinizer05 | reflash (takes 90s), install first 50% of apps (takes maybe 15 min automatic installation) | 00:09 |
| Mike11 | but when I include iostream , it says that file not found!!? | 00:09 |
| DocScrutinizer05 | when the error doesn't sho up, install 50% of the remaining 50% | 00:09 |
| DocScrutinizer05 | if error occured after 50% already: reflash and install only 25% | 00:09 |
| Mike11 | yes I will google those kinds of backups (BM and osso) , I've never done them before | 00:10 |
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| Mike11 | do they backup intalled applications? | 00:10 |
| DocScrutinizer05 | you're not supposed to install gcc and friends on rootfs | 00:10 |
| DocScrutinizer05 | won't fit | 00:10 |
| DocScrutinizer05 | ~bm | 00:11 |
| infobot | extra, extra, read all about it, backupmenu is http://talk.maemo.org/showthread.php?t=63975 | 00:11 |
| Mike11 | how else can I intall gcc? | 00:11 |
| DocScrutinizer05 | and osso backup is the defualt backup you find in appstarter | 00:11 |
| Mike11 | hmm good :) | 00:11 |
| DocScrutinizer05 | install gcc in easydeb chroot | 00:11 |
| Mike11 | why is it that bad to install gcc on rootfs?? | 00:12 |
| DocScrutinizer05 | when you actually *need* compiler on your N900 | 00:12 |
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| DocScrutinizer05 | because rootfs is +small* | 00:12 |
| DocScrutinizer05 | Dateisystem Size Used Avail Use% Eingehängt auf | 00:12 |
| DocScrutinizer05 | rootfs 228M 169M 56M 76% / | 00:12 |
| Mike11 | seems like I need a lot of more reading about the device :) | 00:13 |
| DocScrutinizer05 | ~optification | 00:13 |
| infobot | optification is a inventive duct tape workaround to reclaim space in fs root, done due to the fact the systeminit *and* partitioning is FUBAR, http://wiki.maemo.org/Documentation/Maemo_5_Developer_Guide/Packaging,_Deploying_and_Distributing/Installing_under_opt_and_MyDocs, or ""OMG - I wish they looked into FHS and moved /usr to eMMC"", http://www.pathname.com/fhs/pub/fhs-2.3.html#PURPOSE2 bullet1,2 and fhs-2.3.html#PURPOSE16 dot3" | 00:13 |
| Mike11 | I will read about this stuff (rootfs limitations, BM , chroot easydeb, .. ) | 00:13 |
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| DocScrutinizer05 | you don#t wnat to do this for gcc. So -> easydebian chroot | 00:13 |
| Mike11 | thanks again man :) | 00:13 |
| DocScrutinizer05 | yw | 00:14 |
| Mike11 | out of curiosity how do you have this experience ??! | 00:14 |
| Mike11 | :) | 00:14 |
| DocScrutinizer05 | lingering on here for 5 years | 00:14 |
| DocScrutinizer05 | ;-) | 00:14 |
| Mike11 | cool buddy I want to be like you :p | 00:15 |
| DocScrutinizer05 | no, you don't ;-D | 00:15 |
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| Mike11 | why?! everybody wants to ask you :p | 00:15 |
| Mike11 | you are like google now :) | 00:16 |
| DocScrutinizer05 | a) don't think it feels good to be google | 00:18 |
| DocScrutinizer05 | b) that's my least worry | 00:18 |
| DocScrutinizer05 | those 5 years basically ruined my life | 00:19 |
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| DocScrutinizer05 | ;-) | 00:19 |
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| DocScrutinizer05 | to be like me means you'll turn into a grumpy old sick zombie | 00:20 |
| Mike11 | why do you think of yourself like that??! how old are you man ? | 00:21 |
| DocScrutinizer05 | older than I'd prefer to be | 00:21 |
| Mike11 | maybe but you can still do what you want , no matter what age you are :) | 00:22 |
| DocScrutinizer05 | well, right now I actually do what is a lot of fun for me, yeah | 00:23 |
| xes | i'm just wondering if nobody else has issues with the media player and mafw-gst-renderer... http://talk.maemo.org/showthread.php?t=72156&page=157 | 00:23 |
| Mike11 | wish you the best buddy :D | 00:23 |
| DocScrutinizer05 | hi xes! | 00:23 |
| DocScrutinizer05 | issues? | 00:23 |
| xes | hi Doc! | 00:23 |
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| DocScrutinizer05 | mafw-gst-renderer is.... sub-par | 00:24 |
| DocScrutinizer05 | http://talk.maemo.org/showthread.php?t=72156&page=157 tl;dr | 00:24 |
| xes | issues...for a long time... Now it seems that something is more clear | 00:25 |
| DocScrutinizer05 | what issues? | 00:27 |
| xes | video not starting ...random | 00:27 |
| DocScrutinizer05 | ooh | 00:27 |
| xes | (nothing is really random) | 00:27 |
| DocScrutinizer05 | proly related to DSP | 00:28 |
| xes | yep i was thinking the same. But now i have changed opinion | 00:29 |
| DocScrutinizer05 | every now and then H.264(?) decoder in DSP locks up, and sometimes not even a software reset (done autonatically) will resurrect it. Then you actually need to power down resp reboot | 00:29 |
| xes | killing mafw-gst-renderer solves completely | 00:29 |
| DocScrutinizer05 | ooooh! | 00:29 |
| DocScrutinizer05 | nice find! | 00:30 |
| xes | my stupid OMP script gives ~99% working videos and more ram (see last post) | 00:31 |
| xes | but, for sure is not a proper solution | 00:31 |
| DocScrutinizer05 | miniminimini-app: queenbeecon-button: label="recover video", exec="killall mafw-gst-renderer" ? | 00:31 |
| xes | kill gst-renderer before and after omp... ;) | 00:32 |
| DocScrutinizer05 | oh, OMP | 00:32 |
| xes | btw with stock media player it happens the same | 00:33 |
| DocScrutinizer05 | that might in fact explain it | 00:33 |
| DocScrutinizer05 | hmm, not | 00:33 |
| xes | yep | 00:33 |
| DocScrutinizer05 | rarely ever (if at all) happened to me | 00:34 |
| xes | rarely != never and when that process is freezed it remains in that state until reboot | 00:35 |
| DocScrutinizer05 | and do you know why it freezes? | 00:39 |
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| DocScrutinizer05 | I mean, when it happens so frequently to you, maybe a strace atached per default would shed some light on it? | 00:40 |
| DocScrutinizer05 | or maybe gstreamer resp mafw even has some --debug already built in and it's just disabled or piped to /dev/null ? | 00:41 |
| xes | ..not a clear idea so far | 00:41 |
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| RiD | hello | 01:11 |
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| lyka | happy new year! :) | 04:35 |
| SAiF | happy new year, | 04:36 |
| SAiF | isnt it a little late.. | 04:36 |
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| lyka | never too late | 04:57 |
| lyka | :D | 04:57 |
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| SAiF | :) | 05:13 |
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| * sixwheeledbeast checks scrollback regarding smartreflex. | 14:36 | |
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| sixwheeledbeast | SR is considered unstable by TI and Nokia for stock kernel. Whereas SR is considered stable by KP team on kp50> up to ~900Mhz I believe. I would like to hear KP teams opinion on SR, myself. | 14:50 |
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| ArkanoiD_ | I had one n900 that ran fine with SR and one that failed miserably when SR and OC were both enabled | 14:58 |
| ArkanoiD_ | so it is unpredictable | 14:58 |
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| hxka | ArkanoiD_: When that was? | 15:09 |
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| hxka | ArkanoiD_: IIRC you swithed to N950 in 2011, that's before kp50 was released | 15:16 |
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| ArkanoiD_ | it think it was 2012. at least i remember i spent some time playing with OC and power saving options | 15:20 |
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| TheCakeIsAlive | Even in 2012 it could be kp49 | 15:26 |
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| DocScrutinizer05 | sixwheeledbeast: KP team is rejecting/ignoring the Nokia/TI finding, based on own assumptions about why SR got disabled as well as a general WFM rationale | 15:50 |
| DocScrutinizer05 | so: based on essentially nothing | 15:50 |
| DocScrutinizer05 | ;-D | 15:50 |
| ArkanoiD_ | we were told OC is dangerous all the time, but for all years passed not a single toasted n900 yet to be seen | 15:51 |
| DocScrutinizer05 | haha | 15:51 |
| jaska | 55.5% oc seems a lot. | 15:52 |
| jaska | the most ive done on a pc was 59%, and that was a l2-cacheless celeron266 to 450 | 15:52 |
| DocScrutinizer05 | sure, the gallery labeled "look this device fails on video playback all the time, i probably cooked it by OC" is empty for sure | 15:52 |
| ArkanoiD_ | and Nokia's default OS tuning (swappiness, scheduler etc) proved to be all wrong | 15:52 |
| jaska | erm hmm | 15:53 |
| jaska | wrong %s | 15:53 |
| jaska | stupidme | 15:53 |
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| jaska | 80% oc that is | 15:53 |
| jaska | and the celeron is 69% | 15:54 |
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| DocScrutinizer05 | fact is: TI checked life expectation of their chips and declared it to be 100k-hours on 500MHz and 15kh on 600MHz | 15:55 |
| DocScrutinizer05 | no extrapolate that | 15:55 |
| DocScrutinizer05 | now* | 15:55 |
| jaska | could use a couple more data points there :) | 15:55 |
| ArkanoiD_ | but they did not take lower voltage and more sleep state into account | 15:55 |
| DocScrutinizer05 | what will it be at 800MHz? 1500h? 500h? | 15:56 |
| DocScrutinizer05 | lower voltage is another gambling | 15:57 |
| DocScrutinizer05 | and sleep states are not related to the above figure | 15:57 |
| DocScrutinizer05 | except for inplicitly not applying | 15:57 |
| DocScrutinizer05 | ~omap-oc | 15:57 |
| infobot | omap-oc is, like, http://mg.pov.lt/maemo-irclog/%23maemo.2010-08-01.log.html#t2010-08-01T22:16:05 read that!, or and this http://mg.pov.lt/maemo-irclog/%23maemo.2011-03-11.log.html#t2011-03-11T03:04:11 | 15:57 |
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| DocScrutinizer05 | I simply say that TI's and nokia's statements on OC make sane and are yet to get proven wrong. While all the "we haven't seen yet" is an age old moot statement | 15:59 |
| DocScrutinizer05 | s/sane/sense/ | 15:59 |
| infobot | DocScrutinizer05 meant: I simply say that TI's and nokia's statements on OC make sense and are yet to get proven wrong. While all the "we haven't seen yet" is an age old moot statement | 15:59 |
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| DocScrutinizer05 | sur you can OC omap, when you are willing to take compromises on stability and endurance of the product. Nokia opted for the former rather than the OC | 16:01 |
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| ArkanoiD_ | I am yet to see a single n900 that is unstable at 900MHz | 16:03 |
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| freemangordon | ArkanoiD_: the question is - at what voltage? | 16:10 |
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| freemangordon | most oh them need voltage that is above that for 600MHz without SR | 16:11 |
| freemangordon | like 1375mV and above | 16:11 |
| freemangordon | DocScrutinizer05: I am not speculating on the reason why SR is not enabled, it is a fact of life that OMAP in n900 has calibration screwed (by TI I guess) for OPP 3 4 and 5 | 16:14 |
| DocScrutinizer05 | which is the whole point of the core volatge reglation, it's not meant for user to pick what looks most pretty to him7her, but for adjusting CPU voltage to the needs of that clock frequency. Higher clock needs _higher_ core voltage, not lower | 16:15 |
| freemangordon | sure | 16:15 |
| freemangordon | but without SR CPU runs on overvoltage most of the time | 16:16 |
| DocScrutinizer05 | yes | 16:16 |
| DocScrutinizer05 | particularly on the seldomly used 250MHz | 16:16 |
| DocScrutinizer05 | unless some smartass implemented "manual" core voltage adjustment into freq-governor | 16:17 |
| freemangordon | hmm, which reminds me, I should send a patch to Pali to increase a slope of SR calibration recalculation function in KP | 16:17 |
| DocScrutinizer05 | SR is just about *automatic* adjustment. "manual" adjustment can be done any time | 16:18 |
| freemangordon | I'd trabe 1-2% of battery life to be on the safe side | 16:18 |
| freemangordon | DocScrutinizer05: sure | 16:18 |
| DocScrutinizer05 | tel4030 using a dedicated I2C link to CPU/SoC for SR exclusively | 16:19 |
| freemangordon | but what SR driver in KP does is not a blind "manual adjustment" | 16:19 |
| freemangordon | :nod: there is | 16:19 |
| DocScrutinizer05 | maybe that link has data integrity issues | 16:19 |
| freemangordon | why do you think that? | 16:19 |
| DocScrutinizer05 | I don't suggest it has, I'm just showing possibilities | 16:20 |
| DocScrutinizer05 | there's quite a bunch of possible issues that made SR instable | 16:20 |
| freemangordon | DocScrutinizer05: there is exactly 1 reason why SR is unstable on n900 - the calibration values of OPP 3 4 and 5 are bogus. period | 16:21 |
| DocScrutinizer05 | and when Nokia and TI(!) detected a problem they didn't know how to fix nor where's the root cause, I'd consider that a lost case | 16:21 |
| DocScrutinizer05 | you realy say TI is not expereinced enough to detect and fix that obvious issue? | 16:22 |
| freemangordon | DocScrutinizer05: I would really love some of the ex-Nokians hanging on the channel to prove me wrong re screwed calibration | 16:22 |
| freemangordon | DocScrutinizer05: it is in efuse ;) | 16:22 |
| DocScrutinizer05 | nobody doubts the calibration is wrong | 16:22 |
| freemangordon | when it is detected, I'd say it is too late | 16:23 |
| freemangordon | DocScrutinizer05: so why you search for some other hipothetical "integrity issues" etc when there is an obvious reason | 16:23 |
| DocScrutinizer05 | when you can enable and fix it, you think Nokia and even TI couldn't? | 16:23 |
| freemangordon | DocScrutinizer05: did they care? | 16:23 |
| DocScrutinizer05 | yes, they did | 16:23 |
| freemangordon | is is the same as with thumb IMO | 16:24 |
| DocScrutinizer05 | ~sr | 16:24 |
| infobot | [SmartReflex] >>Again, TI and we [Nokia] couldn't fix SmartReflex - we say memory corruption in front of our own eyes with that enabled, so we had to ship that disabled.<< | 16:24 |
| freemangordon | noone took the risk | 16:24 |
| freemangordon | DocScrutinizer05: sure you'll have memory corruption if CPU is undervolted | 16:25 |
| DocScrutinizer05 | when wrong SR calibration would have been the clearly spotted culprit, then there wouldn't be *any* risk in fixing it the same way you did | 16:25 |
| freemangordon | again - why do you think anyone did care enough to fix it? | 16:26 |
| DocScrutinizer05 | which is a proof that your fix is NO valid fix for the original issue, just catching up on some fallout from not caring about SR after it got aboandoned and deprecated due to another problem TI and NHokia spotted. At least in my book | 16:26 |
| freemangordon | DocScrutinizer05: "my" fix is not different from the "USB host mode" IMO | 16:27 |
| DocScrutinizer05 | again, because I talked to the guy who stated the above quote | 16:27 |
| freemangordon | they said the same for the host mode, ain't? | 16:27 |
| DocScrutinizer05 | no | 16:27 |
| freemangordon | ok | 16:27 |
| DocScrutinizer05 | and they been right about hostmode | 16:28 |
| freemangordon | I think we already had that conversation :) | 16:28 |
| freemangordon | several times :D | 16:28 |
| DocScrutinizer05 | it doesn't work the way it's supposed, in N900 | 16:28 |
| freemangordon | the point is - it works | 16:28 |
| DocScrutinizer05 | the point is, it doesn't, really | 16:28 |
| DocScrutinizer05 | what you see *looks* like hostmode, but isn't | 16:28 |
| * ShadowJK looks at output of first line of cpustat.sh.. | 16:28 | |
| ShadowJK | 92% cpu off :) | 16:29 |
| ShadowJK | (over 4 days uptime) | 16:29 |
| TheCakeIsAlive | ArkanoiD_: My N900 is unstable at anything above 600 MHz | 16:29 |
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| DocScrutinizer05 | so much for "I've yet to see any device that..." | 16:30 |
| freemangordon | and I am sure my SR recalibration outputs a slighly higher voltages than those if TI didn't screw it | 16:30 |
| DocScrutinizer05 | it's easy to not see any poor man when you have a habit to look the other direction whenever you pass by at one | 16:30 |
| freemangordon | ShadowJK: with SIM card in it? | 16:31 |
| freemangordon | TheCakeIsAlive: what voltages? | 16:31 |
| ShadowJK | freemangordon; with sim | 16:31 |
| TheCakeIsAlive | freemangordon: default profile of k-p-s | 16:31 |
| freemangordon | afk | 16:32 |
| * DocScrutinizer05 thinks that all statements like "I am yet to see a single n900 that is..." are generally just rhetorical | 16:33 | |
| DocScrutinizer05 | I'm yet to see any N900 besides my 8 and a maybe 5 from freinds | 16:34 |
| ShadowJK | hm.. so if CPU had lifetime of 1000h, and 92% was true for longer periods than 4 days, the cpu would still last longer than the modem has in my 4 previous N900 | 16:34 |
| DocScrutinizer05 | sure | 16:34 |
| DocScrutinizer05 | and that's what I think is pretty much exactly what we see in RL regarding all the OC stuff | 16:35 |
| DocScrutinizer05 | prolly CPU life expectation is actually reduced to 500...2000h, and just the idle/OPP800 ratio spreads that time over a reasonable lifespan of device usage - **under standard usecase conditions** | 16:38 |
| DocScrutinizer05 | doing a lot of VoIP calls or whatever can significantly change that picture | 16:38 |
| DocScrutinizer05 | also the same low active/idle ratio makes for a significantly lower chip temperature, which again mitigates the electromigration | 16:40 |
| ShadowJK | I don't remember seeing the cpu temp meter react at all unless I make extra efforts | 16:42 |
| DocScrutinizer05 | otoh a 800MHz OC on a device that's running on 100% CPU busy will probably not only burn out the CPU from overtemperature after 30min, but as well cause the chip temeprature exceed the 105°C specified for the OPP numbers TI stated, and thus you start with a life expectation that's way lower than those 10kh resp 50kh TI claimed for normal operation | 16:43 |
| ShadowJK | hm | 16:43 |
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| ShadowJK | where is that spreadsheet... I did work/watt figures well into OC range to find the "sweet spot" of the cpu | 16:44 |
| DocScrutinizer05 | maybe that been a bit fuzzy. lemme retry: TI statements as of http://mg.pov.lt/maemo-irclog/%23maemo.2011-03-11.log.html#t2011-03-11T03:04:11 are for a max die temp of 105°C (A chip) | 16:45 |
| DocScrutinizer05 | when you run OC and the CPU is 100% busy and not idling a lot, then you for sure exceed that temperature, making the lifetime of CPU even shorter than it would be for mere OC alone | 16:46 |
| * ShadowJK sacrifices device | 16:46 | |
| ShadowJK | ok, 900MHz, 100% busy, how long to hit 50C do you think? | 16:47 |
| DocScrutinizer05 | thus the summed up CPU actibe time @800MHz will be considerable shorter when CPU idles less in between | 16:47 |
| DocScrutinizer05 | depends on what else the device does | 16:47 |
| DocScrutinizer05 | thermal design is pretty complex | 16:47 |
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| DocScrutinizer05 | last 2 @ ShadowJK | 16:48 |
| ShadowJK | well, xchat on wifi, 3g standby, screen on | 16:48 |
| DocScrutinizer05 | I think device heats up most from WWAN traffic | 16:48 |
| DocScrutinizer05 | and CPU/SoC has a TDP of maybe <1W | 16:49 |
| ShadowJK | yep | 16:49 |
| DocScrutinizer05 | this will get easily dissipated by PCB groundplane, unless it gets heat from other components as well | 16:49 |
| ShadowJK | My first got to 65C without OC or even 100% cpu | 16:49 |
| DocScrutinizer05 | it's all a very complex equation to evaluate | 16:50 |
| DocScrutinizer05 | will you get away with 800MHz OC for 3 years? yes, probably. Will this guarantee that the device doesn't burn out in 4 weeks under certian usage conditions? definitely not | 16:52 |
| DocScrutinizer05 | watching video for 8h a day during your holiday could already suffice to kill the device for good | 16:53 |
| ShadowJK | video for me seems to be mostly 500MHz, with occasional 550 and 250 | 16:53 |
| DocScrutinizer05 | or whatever else usecase, the ebove I made up without good backup from numbers | 16:53 |
| ShadowJK | 5min, bq27200 gone from 33C to 37C, SoC still reporting 27 | 16:54 |
| DocScrutinizer05 | so make that 3 months of manager hassle with a 6h of phonecalls per day, or whatever | 16:54 |
| DocScrutinizer05 | SoC temp sensor freezes eventually | 16:55 |
| DocScrutinizer05 | it's fubar | 16:55 |
| DocScrutinizer05 | SiErr, known | 16:55 |
| DocScrutinizer05 | OC is not about "it's safe / not safe", it's all about "what amount of reliability and lifetime reduction I'm willing to accept. And particularly whicj ammount of uncertainty regarding the aforementioned parameters?" | 16:58 |
| ShadowJK | 10min 39C, 413-420 mA | 16:59 |
| DocScrutinizer05 | without OC, the device is probably guaranteed to stay alive for 3 years continuous usage, no matter what you do to it | 16:59 |
| DocScrutinizer05 | with OC... up to everybody's guess, but defintely magnitudes less | 17:00 |
| DocScrutinizer05 | magnitudes literaly | 17:01 |
| DocScrutinizer05 | like /10 or /100 | 17:01 |
| DocScrutinizer05 | even /1000 | 17:01 |
| DocScrutinizer05 | depending on your usecase | 17:01 |
| ShadowJK | 300mA @ 600MHz, 39C | 17:02 |
| DocScrutinizer05 | hmm yeah, I've however seen bq27k logs where device ate >1A | 17:02 |
| ShadowJK | I've managed 1.3A :) | 17:03 |
| DocScrutinizer05 | and most of that in the end converted to heat to dissipate | 17:03 |
| ShadowJK | can't do that anymore, 3g signal too good everywhere now | 17:03 |
| DocScrutinizer05 | hehe | 17:03 |
| DocScrutinizer05 | yeah | 17:03 |
| DocScrutinizer05 | it's a complex equation with a lot of variables you can't control | 17:04 |
| DocScrutinizer05 | especially WWAN | 17:04 |
| ShadowJK | xchat on gsm out at sea is a pretty good power hog too | 17:04 |
| DocScrutinizer05 | we had a good share of lessons regarding that, when trying to reproduce buzz issue at openmoko | 17:05 |
| ShadowJK | Did I tell you I overclocked an AC induction motor at $work? :) | 17:06 |
| DocScrutinizer05 | "when I hold the device out the window, buzz is gone. When I get it back into room, touching the window, buzz returns after 5 seconds like somebody switched it on" | 17:06 |
| ShadowJK | The plastic fan blade disintegrated at 115 Hz :o( | 17:07 |
| DocScrutinizer05 | the joy of you not controlling the complete testbed - here: BTS | 17:07 |
| DocScrutinizer05 | LOL at motor-OC | 17:07 |
| DocScrutinizer05 | finally I found that placing the Freerunner on a steel table was a good method to make it ramp up TX power and thus start buzz | 17:08 |
| ShadowJK | It's running happily at 50Hz now though, with a tribladed fan that used to be four-bladed :D | 17:08 |
| DocScrutinizer05 | :-o | 17:09 |
| jaska | wobble wobble | 17:09 |
| ShadowJK | the desk I used to place my n900 on for service as modem, had bunch of papers, and underneath a shielded usb cable that acted as antenna booster for 3g | 17:10 |
| DocScrutinizer05 | :nod: | 17:10 |
| ShadowJK | only found out when speed collapsed from 5Mbit/s to .5 when I needed the cable | 17:11 |
| kerio | lmao | 17:11 |
| DocScrutinizer05 | good USB cable | 17:11 |
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| * ShadowJK enjoys a beer from Nokia Brewery | 20:22 | |
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| DocScrutinizer05 | Nokia brewery ?? o.O | 20:58 |
| DocScrutinizer05 | no more rubberboots? | 20:58 |
| jaska | rubberboot malts | 21:03 |
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| ShadowJK | (Brewery in the city Nokia) | 22:01 |
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| DocScrutinizer05 | city Nokia? OMG | 23:54 |
| DocScrutinizer05 | the heck! http://en.wikipedia.org/wiki/Nokia,_Finland | 23:54 |
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