IRC Logs

13. 05 2010

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[02:15:45] <M25> rkdavis: if you're still around, my wireless is listed as v22 too
[02:15:50] <M25> on all things
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[08:34:02] <rkdavis> morning all
[08:41:50] <Mcavity> morning
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[15:12:07] <M25> dTal: you around?
[15:12:43] <dTal> yup
[15:13:31] <M25> want to debug my 2 hour battery life? I discovered that turning on wifi power savings (although it completely disables my wifi access) puts my battery life at over 5.5 hours
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[15:13:55] <M25> still lower than expected, but that definitely says that wifi pm is a good thing to aim for
[15:14:13] <dTal> okay, but there's a broader problem there
[15:14:30] <dTal> starters - you using X?
[15:14:32] <M25> nope
[15:14:34] <M25> uninstalled it
[15:15:05] <dTal> and your backlights are definitely *off* when the lid is close
[15:15:19] <M25> yeah, for the 5.5 hour tiem
[15:15:21] <M25> *time
[15:15:30] <M25> both screen and keyboard
[15:15:54] <M25> they're at max when the screen's up, but considering I'm using the zipit mostly outside, that's kind of necessary
[15:16:17] <dTal> well, obviously totally disabling wifi will help life, but it's not helpful
[15:16:22] <M25> yeah
[15:16:28] <dTal> try turning keyboard backlights off
[15:16:37] <M25> already do
[15:16:41] <M25> when screen closes
[15:16:50] <dTal> when it's open too
[15:16:50] <M25> oh, you mean all the time?
[15:16:53] <M25> k
[15:17:10] <dTal> if you're using it outside you hardly need them, and they draw a lot
[15:18:06] <M25> ok
[15:18:32] <dTal> try turning down your screen a bit too
[15:18:39] <dTal> 800 perhaps
[15:20:04] <dTal> even so, all lights off and no wifi should get you way more than 5 and a hakf hours
[15:20:25] <M25> yeah
[15:20:39] <dTal> what's load average? Is it writing to SD a lot?
[15:21:15] <M25> load average 0.00
[15:21:23] <M25> not touching SD really
[15:21:44] <dTal> what userland are you on again?
[15:22:00] <M25> aliosa27
[15:22:44] <dTal> if you're gonna go debian I'd personally use a stripped rootnexus
[15:23:07] <M25> stripped how? what're you on?
[15:23:29] <dTal> rootnexus, but with now X and few bootscripts
[15:23:34] <dTal> *no
[15:24:35] <M25> you have apt-get? if so, what's your battery life?
[15:24:52] <dTal> um
[15:25:06] <dTal> it's debian based, so yeah it has apt-get
[15:25:28] <dTal> but battery life shouldn't, strictly, be affected by that
[15:25:43] <dTal> but I get about 6 hours of on and off use
[15:25:48] <M25> I know, apt-get is the only feature that's critical for me, everything else is maxing battery life
[15:26:15] <dTal> keeping lid closed when not using, keeping screen brightnesses down
[15:26:27] <dTal> my current screen brightness is 512
[15:26:53] <M25> dTal: what's your average battery life, with those conditions?
[15:27:10] <dTal> I haven't run loads of tests
[15:27:20] <dTal> this is ballpark
[15:27:30] <M25> that's all I want
[15:28:05] <dTal> well there you are
[15:28:24] <M25> sorry, I didn't see the actual line with the number on it till just now
[15:29:03] <M25> did you have to recompile iwconfig to get wifi power saving?
[15:29:18] <dTal> I don't have wifi power management
[15:29:23] <M25> !!
[15:30:15] <M25> right, I'm going rootNexus in that case... do you do anything different with the autoflasher script when going from aliosa to rootnexus?
[15:30:23] <dTal> It sounds to me like your problem is backlights - running both sets full blast will drain it no end
[15:30:43] <dTal> you don't need to flash anything, you already have the kernel
[15:30:56] <M25> oh! it's the same kernel?
[15:31:10] <dTal> it's all the same kernel unless you uboot it
[15:32:01] <M25> what's ubooting? there's a uboot file in my boot directory on aliosa
[15:32:23] <dTal> it's where you replace the stock bootloader
[15:32:35] <M25> how would I know if I've done that?
[15:32:43] <dTal> you haven't
[15:33:00] <M25> alright then :)
[15:33:12] <M25> so just write the rootnexus image to the flash drive and boot?
[15:33:53] <dTal> yeah, or unpack it
[15:34:16] <M25> I assume the card should be ext2 or ext3?
[15:34:38] <M25> nevermind, read the readme
[15:35:45] <M25> does the guy who develops rootNexus show up here a lot?
[15:38:18] <dTal> sometimes, I guess
[15:38:28] <dTal> I don't really keep track
[15:39:53] <M25> what's the username he uses?
[15:42:21] <dTal> jagsph
[16:04:02] <M25> ok, copied the rootnexus folders to the drive, started booting, and it's just sitting there with the boot screen and very occasional flash drive reads, not appearing to boot
[16:05:51] <M25> dTal: help? :p
[16:06:38] <M25> nevermind
[16:07:53] <dTal> first thing you should do is run rcconf and blitz like 90% of that crap
[16:09:28] <M25> rcconf?
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[16:10:37] <dTal> yep
[16:10:43] <dTal> interactive
[16:10:48] <dTal> might have to apt-get it
[16:10:52] <dTal> I have alsa-utils, bootlogs, kbd, module-init-tools, nfs-common (I use nfs), procps, udev, and "font" which just runs setfont
[16:10:52] <M25> what do I do with it? it's running
[16:11:15] <dTal> turn everything off you can spare
[16:11:25] <dTal> speeds boot time, saves ram
[16:11:39] <M25> they all look kind of important
[16:12:12] <dTal> you can ditch cron, for instance
[16:12:27] <M25> cron's not on there
[16:13:28] <dTal> well, you can safely get rid of everything not on my list because my zipit still runs
[16:14:12] <M25> do I need bootlogd?
[16:14:15] <dTal> and now is the time to do it because you can experiment freely because you haven't invested in that image
[16:14:23] <M25> good point
[16:14:43] <dTal> I have bootlogs, but I doubt it's strictly neccesary
[16:14:50] <M25> not bootlogs
[16:14:52] <M25> bootlogd
[16:14:55] <M25> separate entries
[16:15:11] <dTal> well, that's very strange because that's not on my list
[16:15:20] <M25> cron's not on mine
[16:15:51] <dTal> except the difference is I've installed a bunch of things, that may have dragged other things in
[16:16:04] <dTal> whereas you ought to be 'clean'
[16:16:48] <M25> all the items have stars next to them, I can remove the mountnfs ones if I'm not using nfs, what's 'single' and 'procps'?
[16:17:53] <dTal> procps I haven't disabled, 'single' is probably only executed for single user mode
[16:18:52] <M25> I've learned not to touch stuff that I'm not 100% sure about what it does
[16:19:24] <dTal> well, your image sounds markedly different for some reason
[16:19:32] <dTal> but it's worth it to experiment
[16:19:41] <dTal> my zipit boots in 40 seconds
[16:20:00] <M25> dunno, I just downloaded http://zipit.rootnexus.org/files/Z2-USERLAND/RC1-PRE2/ unzipped and copied into an ext3 partition on the card
[16:20:27] <dTal> mine might be PRE1
[16:20:59] <dTal> (also, there seems to be a bug that screws stuff up if the zipit is plugged in while booting. workaround: boot off battery)
[16:21:00] <M25> mine boots in under 45 seconds
[16:21:30] <M25> without disabling any of those services
[16:27:57] <M25> do I need to copy over the wireless firmware files for the wifi to work on rootnexus?
[16:32:13] <dTal> I think rootnexus comes with some
[16:33:48] <M25> it looks like it
[16:33:53] <M25> I'll check in a bit
[16:43:45] <Lydia`> M25: I didn't need to copy the wifi firmware back for rootnexus
[16:44:07] <M25> Lydia`: yeah, I checked, works fine
[16:46:27] <M25> dTal: I have 3 udevd's running
[16:46:30] <M25> what gives?
[16:56:18] <M25> also, it can't connect to emdebian.org, so it can't get some packages, like vim, which is kinda important
[16:56:49] <M25> and cmus
[16:57:36] <M25> nevermind, emdebian is down
[16:57:37] <M25> great
[16:59:43] <dTal> you don't want the emdebian packages anyway
[17:00:20] <dTal> do you not have debian unstable in /etc/apt/sources.list?
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[17:36:14] <Lydia`> M25: cool!
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[20:07:45] <adnyxo> well im done with finals
[20:07:56] <adnyxo> time to restart my tinkering
[20:09:05] <packets> Grats
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[20:44:56] <adnyxo> yea, passed my first year in high school
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[21:10:30] <M25> adnyxo: pffft, and I thought I was young
[21:12:59] <adnyxo> ?
[21:13:30] <M25> I'm in finals for junior year of college
[21:13:36] <adnyxo> ah
[21:13:38] <adnyxo> hows that going
[21:13:52] <M25> :p you think you tinker now... write a compiler and then we'll talk
[21:13:56] <M25> hehehe
[21:14:17] <adnyxo> hey, im working on it
[21:14:37] <M25> you'll get there
[21:15:00] <adnyxo> im getting a nokia n810
[21:15:14] <adnyxo> i may try to write an app for it
[21:15:25] <M25> don't bother, nokia's a dying platform
[21:15:30] <adnyxo> or get ffmpeg working
[21:15:34] <M25> now that'd be worth it
[21:15:36] <adnyxo> not for other people, for me
[21:15:49] <M25> :p you have a zipit?
[21:16:10] <adnyxo> did
[21:16:12] <adnyxo> killed it
[21:16:19] <adnyxo> looking to get a used one
[21:16:25] <M25> *facepalm* bricked?
[21:16:28] <adnyxo> no
[21:16:34] <adnyxo> tore the display ribbon cable
[21:16:41] <adnyxo> while taking it apart
[21:17:03] <M25> ahhh, yeah, did that to my sister's furby back in the day
[21:17:05] <M25> she never forgave me
[21:17:20] <adnyxo> i take all my crap apart
[21:17:25] <adnyxo> so i end up screwing thing up
[21:17:32] <adnyxo> but im getting better and better
[21:17:53] <adnyxo> at least now i will know better what to do with my slightly more pricey gadgets]
[21:17:59] <M25> adnyxo: yeah, your best bet might be to take apart stuff that's either already broken or doesn't have value anymore
[21:18:10] <adnyxo> well ive gotten pretty good
[21:18:30] <adnyxo> i wish to dissassemble an iphone, but they are freaking expensive
[21:18:49] <adnyxo> perhaps i should attempt to obtain an iphone 4 prototype at a bar :P
[21:18:49] <M25> :p iphones are no fun, it's all solid state under aluminum foil
[21:18:52] <M25> and too much tape
[21:19:01] <M25> now an old TV
[21:19:04] <M25> THAT's a good teardown
[21:19:16] <adnyxo> ooh ive got a broken tv
[21:19:20] <M25> you ever touch the wrong end of a flyback transformer?
[21:19:25] * adnyxo adds that to my todo list
[21:19:36] <adnyxo> no, enlighten me as to what happens
[21:19:47] <M25> it spot-welds your thumb is what happens
[21:19:52] <adnyxo> lol
[21:20:03] <adnyxo> you speak from experience ?
[21:20:13] <adnyxo> wtf compiz just died on me
[21:20:37] <M25> yeah, ok, your parents'll be pissed if you take apart the TV and get yourself shocked, look for a thick wire going to the outside of the main glass tube
[21:20:48] <M25> it'll end in a suction cup
[21:20:55] <M25> DO NOT TOUCH THE LITTLE METAL THINGY INSIDE THAT
[21:24:29] <adnyxo> okay will do
[21:24:38] <adnyxo> i heard that you shouldnt disassemble a monitor
[21:24:52] <adnyxo> cause theres a device in there that holds enough charge to kill you instantly
[21:25:54] <smartasstronaut> you just need a large screw driver to discharge it
[21:25:56] <M25> that'd be the flyback transformer... wait, LCD or CRT?
[21:26:02] <M25> smartasstronaut is right
[21:26:09] <adnyxo> lcd i believe
[21:26:24] <Mcavity> shakes head
[21:26:27] <Mcavity> kids
[21:26:33] <Mcavity> crts have flyback
[21:26:33] <adnyxo> lol
[21:27:05] <adnyxo> isnt there something in a lcd as well ?
[21:27:37] <M25> adnyxo: I mean up until recently they all had flourescent bulbs in them, which have a ballast with technically dangerous voltage
[21:27:40] <M25> but it's usually sealed
[21:28:00] <M25> and frankly, unless you're taking apart a huge one, the bulbs won't be that big anyway
[21:29:44] <Mcavity> heh..
[21:30:35] <adnyxo> man my n810 needs to hurry up
[21:30:39] <adnyxo> im not a patient person
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[21:32:43] <mozz-zipit> adnyxo: you got a photo of that torn ribbon?
[21:33:04] <adnyxo> not right now
[21:33:13] <adnyxo> whydo ya ask?
[21:33:29] <mozz-zipit> just curious how bad it was.
[21:35:08] <mozz-zipit> how many wires are broken?
[21:37:28] * M25 needs dTal to get back here and tell me why none of my package repos on rootNexus work
[21:40:41] <mozz-zipit> which repos do you have enabled?
[21:42:45] <M25> http://http.u... wait a second
[21:42:49] <M25> WHAT THE FUCKING TYPOS IS THIS
[21:42:55] <M25> one moment please
[21:45:03] <adnyxo> mozz-zipit, too many
[21:47:42] <M25> mozz-zipit: I had debian unstable and emdebian enabled, one of which could not be resolved, the other would always timeout
[21:47:51] <M25> emdebian.orga appears to be down
[21:47:58] <M25> mozz-zipit: you run root nexus?
[21:49:11] <Mcavity> roooot nexus.. not as good as nexus six.. but less likely to kill you.
[21:51:24] <M25> ok... what repos do you have enabled?
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[21:59:10] <mozz-zipit> M25: i'm running rootnexus with "http://www.emdebian.org/grip sid main" and "http://http.us.debian.org/debian unstable"
[21:59:28] <M25> whcih is exactly what I had enabled
[21:59:32] <M25> do an apt-get update
[21:59:37] <M25> and tell me if you download anything
[21:59:46] <mozz-zipit> just finished one. worx
[21:59:53] <M25> I enabled all the lines that weren't emdebia
[21:59:57] <M25> and it appears to be working now
[22:00:02] <M25> but emdebian is down
[22:00:55] <mozz-zipit> hmm.. emdebian repo downloaded fine for me
[22:01:02] <M25> what country are you in?
[22:01:05] <mozz-zipit> us
[22:01:17] <M25> oh! it works now
[22:01:18] <M25> wtf
[22:01:27] <M25> it was down earlier
[22:03:02] <M25> also, do you use a swap file?
[22:03:44] <mozz-zipit> i have a swap partition setup
[22:04:24] <M25> could I see your /etc/fstab? editing mine appears to do nothing
[22:05:14] <mozz-zipit> yeah, just a sec
[22:05:36] <M25> thanks, all I want is to add a stupid swap file, and it's giving me hell
[22:06:07] <mozz-zipit> it's the stock rootnexus one btw
[22:06:13] <mozz-zipit> no changes
[22:07:10] <M25> yeah, mine appears to have been mysteriously deleted and recreated
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[22:11:32] <mozzwald2> M25: www.mozzwald.com/zipit/fstab.zipit
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[22:16:30] <M25> k, thank you
[22:28:04] <M25> wtf
[22:28:11] <M25> none of the repos work
[22:28:59] <M25> still
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[22:30:34] <M25> there we go, finally
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[23:36:02] <M25_> anyone know why alsa does not appear to be loaded as a module on rootnexus?
[23:43:36] <M25_> rkdavis: under what conditions will /etc/fstab be ignored?
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