DocScrutinizer05 changed the topic of #qi-hardware to: Copyleft hardware - http://qi-hardware.com | hardware hackers join here to discuss Ben NanoNote, atben / atusb 802.15.4 wireless, and other community driven hw projects | public logging at http://en.qi-hardware.com/irclogs and http://irclog.whitequark.org/qi-hardware
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<viric> whitequark: would you like to meet together with kyak?
<viric> whitequark: we are agreeing for monday
<whitequark> viric: yup! that would be good
<viric> perfect!
<viric> I don't mind about the place
<viric> you both may easier propose some.
<wpwrak> ah, the exchanging of war stories over a few bottles of vodka ... :)
<viric> well, our stories may be not that interesting as war stories :)
<whitequark> war stories... yeah
<wpwrak> weeks of hunting that bug, and finally killing it ? where's the difference ? :)
<viric> the emotion of long nights sitting at the gdb prompt
<whitequark> lldb*
<whitequark> :p
<wpwrak> while hearing strange noises in the darkness
<viric> the neverending compilation times
<whitequark> the feeling of recompiling the entire linux kernel all over again after changing one byte in the arch/ header
<viric> famine, thinking for long that you'd fix the bug really soon, but the fix never happening
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<whitequark> projects long abandoned by their authors and users alike, only remaining dormant on web.archive.org with the source archive 404'ing and just the binaries available for some reason
<wpwrak> whitequark: you make it sound as if recompiling the kernel took long :)
<whitequark> wpwrak: on a netbook.
<wpwrak> ok :)
<whitequark> I was broke :)
<wpwrak> you should do FPGA synthesis. gives you a whole new perspective on slowness
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<whitequark> I did :D
<wpwrak> on the netbook ? :)
<whitequark> mmm not sure, it was a long time ago
<whitequark> but my current notebook has a quad-core i7
<whitequark> it heats all the way up to 80 degrees Celsium!
<wpwrak> that should help :)
<viric> a good winter friend
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<whitequark> viric: you mean "oh, not second-degree burns on my legs again"? :D
<viric> :)
<kyak> im already afraid of meeting you guys )
<wpwrak> ah, designed for those long cold russian winters, when it's too cold to go to the vodka shop
<whitequark> (no, not second-degree. but I did get a burn from it once.)
<whitequark> I wonder if that's why its case is metal: the plastic simply melts
<viric> kyak: :)
<wpwrak> that's what happens if you put on only one set of asbestos underwear
<viric> the plastic case of one friend's notebook quite melted
<wpwrak> good engineering
<whitequark> a notebook I got really long ago heated up so much that its VRAM has desoldered
<whitequark> isn't that about 300 deg since RoHS?!
<whitequark> and it did survive two or three times of resoldering it back
<viric> and I heard of another one where the whole netbook got red as in forgery
<viric> hm
<viric> no
<viric> bad word
<viric> ковка
<whitequark> viric: this is why you don't do liquid cooling with molten metal
<whitequark> unless it's Hg
<viric> :)
<whitequark> or an eutectic Sodium-Potassium alloy (I think)
<whitequark> ... or that lead-bismuth-why-you-arent-dead-yet allot
<whitequark> *alloy
<wpwrak> thermal management in notebooks is interesting. i'm sometimes surprised they work at all.
<whitequark> wpwrak: I'm constantly surprised computers work at all
<whitequark> but yeah :D
<wpwrak> whitequark: stay away from the ones that use plutonium gas for cooling :)
<whitequark> wpwrak: cloud computing in its essence!
<whitequark> performed by clouds of vaporized silicon
<wpwrak> now it makes sense !
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<whitequark> hmmm, it just occured to me that if I assemble a step-up converter from 5V to 19V, I could continuously power and charge my notebook from this: http://www.kickstarter.com/projects/browndoggadgets/folding-usb-solar-cell
<whitequark> (I've backed the 10W version)
<whitequark> on a sunny day indeed
<whitequark> given that these critters now have effciency of 90-95%
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<larsc> hm, something is broken `git commit` uses 100% cpu and 500MB of memory
<whitequark> gdb it!
<whitequark> or even strace
<larsc> brk, brk, brk, then nothing
<whitequark> it's brken.
<larsc> doing a repack now, lets see if that fixes things
<larsc> nope
<whitequark> (gdb) bt ?
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<larsc> I don't have debugging symbols built into my git
<whitequark> oh.
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<larsc> seems to be stuck in remove_redundant
<larsc> well it will succeed eventually, but it takes a few minutes
<larsc> funny, seems to be my branch
<larsc> on a different branch everything is fine
<larsc> hm, a rebased fixed it
<whitequark> when in doubt, randomly rebase
<lindi-> whitequark: thanks for noticing the nvidia optimus update btw, I forwarded the info to the original asker
<whitequark> lindi-: mmm what? I didn't reply to anyone... was just bored
<lindi-> whitequark: well, the question was asked 10 months ago and you know what Linus replied :)
<lindi-> whitequark: and I only found about about this update when I read your comment yesterday
<larsc> to the original asker from the recordings?
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<lindi-> larsc: yes
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<bitHipy> Can any linux-based netbooks drive 2 exterinal displays?
<larsc> that obviously depends on the hardware used on the netbook
<mog> bitHipy, my thinkpad x120e can do that
<mog> its tiny
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<bitHipy> mog: are there 2 video cards in that? or would it need an expresscard video card?
<mog> it has a vga and an hdmi port
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<mog> but you can only push so many pixels off the graphics card
<mog> im not sure what the max number is though off the top of my head
<mog> but ive pushed a monitor and an 800x600 projector off of it before
<whitequark> most stupid intel cards can push out smth like 4096x4096
<viric> that reminds me of a unichrome card I have in an AMD Sempron 2600
<viric> The xorg module does a memory speed test
<viric> and reports 60MB/s
<viric> isn't that very slow?
<viric> what are ram speeds these days, in MB/s?
<larsc> 60MB/s is like harddrive speed, isn't it?
<viric> slower.
<viric> :)
<johnnyonflame> larsc, my hdd can do 100~
<viric> I remember seeing some Xeon tests recently.... reporting RAM at ~60MB/s
<viric> hm it maybe was 60GB/s? :)
<viric> I guess so
<viric> but the video card memory speed thing I mention, reported 60MB/s...
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<Jabedin> Would this be the appropriate place to ask about MIPS hardware design? If not, could anyone suggest a network & channel?
<larsc> depends on which aspects you want to talk about
<Jabedin> It's homework. Basically I'm to design a processor If (rs==rt) {rs = address of next instruction && rd = rt} {else PC+4 (skip to next instruction)}. I know how to do this using arithmetic operators, lw, sw, & beq. HOWEVER: it says I can't use lw, sw, or beq. I don't understand how I'm supposed to implement it without those...
<larsc> I suppose you are supposed to implement the instruction in hw not in sw
<Jabedin> I'm saying that I know how to implement lw sw & beq in hardware
<Jabedin> but I'm not allowed to design a processor using those functionalities
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