kyak 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, anelok and other community driven hw projects | public logging at http://en.qi-hardware.com/irclogs and http://irclog.whitequark.org/qi-hardware
<DocScrutinizer05> the whole thing looks like a big fake. Look, 3D-printed ferrite toroid (maybe still plausible) but then a 2N3055 powered from **a 9V-block battery** to drive two 'LAMP' which are at least LED 1W each
<DocScrutinizer05> prolly the electronic circuit in the LED lamps just works with 9V and the whole circuit is a big fake ;-P
<DocScrutinizer05> see http://laserhacker.com/?p=527
<DocScrutinizer05> then WHAT THE FUCK?! he places a coaxial coil (another torus) into the hollow ferrite torus???
<DocScrutinizer05> https://youtu.be/M9Hn5sfMH1Q?t=127 BULLSHIIIIIT
<DocScrutinizer05> ok, you _can_ do this, but...
<DocScrutinizer05> HAHAHAHA, I just thought what gonna happen when they reversed the battery, so C becomes E and E becomes C. Circuit looks way better then ;-P
<DocScrutinizer05> but still will fry the transistor from way too high reverse U_be
<DocScrutinizer05> no friggin idea what's going on, I guess the circuit diagram is plain wrong
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<kyak> damnit.. top and iotop show nothing, and still i get 0.5 LA.
<kyak> i know a reboot would help, but this time i want to figure out what's going on
<kyak> killing all heavy-weight suspects, like postgresql, still nothing
<kyak> i noticed it is related to kernel upgrades not folowed by a reboot
<kyak> on Arch Linux, kernel files are upgraded in-place.. although i don't understand how this can be aproblem for already loaded modules
<DocScrutinizer05> zticky topic
<DocScrutinizer05> tr*
<wpwrak> kyak: embrace the reboot. don't fight it, my son.
<kyak> --)
<kyak> i'll be stripping down this system from running processes till it dies
<kyak> when nothing is left, then it's the kernel
<kyak> LA strangely starts at 00:00, but the temperature readings don't correlate
<kyak> can kernel report LA incorrectly?
<kyak> ignore the high load in the middle of the day, i was doing things
<kyak> these periodic peaks are also fine, i know what this is
<wpwrak> load average can/could have a high constant offset if there are processes that want to run but are stuck somewhere
<wpwrak> i had that happen with NFS. not sure if the calculation is still the same, though
<kyak> how these processes will exhibit themselves in top?
<kyak> i don't nfs, but have smb mounted.. let's try unmounting that
<wpwrak> there may be unusual flags in STAT of ps aux
<wpwrak> (unmount) if you can ;-)
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<kyak> you nailed it! it was a stall smb mount (remote host is not available)
<wpwrak> heh :)
<kyak> yeah, that's it.. Thanks!
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<DocScrutinizer05> LA?
<DocScrutinizer05> err yes, I see lsysguard report bogus crap for basically all values based on /proc/* (the latter my suspicion), after a while since start of the monitor. I rend to blame systemd and the crap with cgroups and mounts it does
<DocScrutinizer05> ksysguard that is
<DocScrutinizer05> and a 2nd yes: processes idling in kernel IO can add to load while not using any CPU cycles. No idea where to spot them, iotop maybe
<DocScrutinizer05> or "wchan" in top
<kyak> yeah, it's hard to spot those.. Especially because this is not a process, but a kernel thread, like in my case of samba mount
<kyak> it just didn't reveal itself in iotop
<DocScrutinizer05> (kernel thread) haha, particularly nasty, yes
<DocScrutinizer05> yeah, prolly kswapd etc would be able to create similar shite
<DocScrutinizer05> http://paste.opensuse.org/61614886 pstree 2
<DocScrutinizer05> filesystems via USB are particularly nasty regarding this, can freeze complete system
<DocScrutinizer05> F U systemd, wchan does only show "-" in htop
<DocScrutinizer05> nfc, maybe my htop is bitrotten
<DocScrutinizer05> ps -l works
<DocScrutinizer05> top also works
<DocScrutinizer05> might be the cold I caught
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<DocScrutinizer05> "Memory’s Vulnerability" - excellent! http://abcnews.go.com/Technology/story?id=98195&page=1
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