IRC log for #neo900 on 20180611

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06:14.19brolin_empeyJoerg-Neo900: SFTP has at least two possible meanings: Secure File Transfer Protocol or Secure Shell File Transfer Protocol.
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11:54.17Joerg-Neo900brolin_empey: my mimetypes interprete SFTP:// in unambiguous way
11:55.52Joerg-Neo900https://www.startpage.com/do/search?q=SFTP
11:57.29Joerg-Neo900I guess nobody nowadays thinks "simple file transfer" when SFTP
11:59.07Joerg-Neo900though indeed SSH FTP aka SFTP is simpler than classical FTP
12:01.41Joerg-Neo900see "FTP passive mode" and "NAT"
12:10.36Joerg-Neo900>>Simple File Transfer Protocol (the first protocol abbreviated SFTP), as defined by RFC 913, was proposed as an (unsecured) file transfer protocol with a level of complexity intermediate between TFTP and FTP. It was never widely accepted on the Internet, and is now assigned Historic status by the IETF. <<  (wikipedia) I don't know what you meant by "Secure File Transfer Protocol", assuming you refer to "Simple" instead "Secure"
12:10.59Joerg-Neo900there's FTPS which is differnet to SFTP
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13:42.19*** topic/#neo900 is http://neo900.org | CCCAMP15 lightning talks at http://neo900.org/stuff/cccamp15/ - major: http://neo900.org/stuff/cccamp15/ccc2015talk/neo900-wpwrak_CCC2015.webm | conversations are logged to http://infobot.rikers.org/%23neo900/ and http://irclog.whitequark.org/neo900 | Latest news: http://neo900.org/news/joerg-pia-2018-03-01
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19:10.22brolin_empeyJoerg-Neo900: I thought that SFTP = Secure File Transfer Protocol is File Transfer Protocol using SSL/TLS.  I do not remember the details because I have not studied this stuff for years.
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20:17.12enycbrolin_empey: Sftp  is more like sort-of-ftp over ** SSH **
20:27.30Joerg-Neo900my workstation is pretty much messed up completely, after system upgrade :-/ this will take quite a while to fix
20:27.50Joerg-Neo900particularly KDE is fubar now
20:30.37houkimeJoerg, what is the reason behind U1101 exp connecting to a different ground from all other ground pins of this component?
20:31.49Joerg-Neo900sorry I'm totally out of business, can't even switch windows ATM
20:31.50houkimeit is because there won't be a split in a groundplane to accomodate agnd and we're using star instead?
20:31.54houkimeok
20:33.02Joerg-Neo900yes, sounds like a reasonable explanation as far as I can follow
20:33.25Joerg-Neo900we have some chips with both AGND and normal GND
20:33.52Joerg-Neo900however pad should connect to one of them
20:34.40Joerg-Neo900there shouldn't be a component that has all GND pins on one GND and only thermal pad on a different GND
20:35.18Joerg-Neo900the data sheet needs to advice which GND to connect exp to
20:35.39Joerg-Neo900or leave it completely unconnected
20:35.43enyc'AGND = audio ground?
20:35.47Joerg-Neo900yes
20:35.51houkimeI will also try out Arch with KDE once they figure out Wayland. Should be quite resource saving since xorgless (ancient clunky monster xorg).
20:36.13houkimedatasheet says to connect it to the same gnd as other pins - agnd
20:37.52houkimeJust thought you invented some optimisation or have other reasons to go usual gnd for exp
20:38.48Joerg-Neo900no, not afaik
20:38.49houkimething is that you won't be able to do thermal vias if you don't have aunderlying agnd then
20:39.11Joerg-Neo900what is this chip?
20:39.27houkimeheadphone ampli
20:39.31Joerg-Neo900hmmm
20:40.02houkimemy thought for audio was to have a whole region for agnd on the gndplane
20:40.14Joerg-Neo900doesn't it have both AGND and digital/common GND? ut has I2C, no?
20:40.14houkimeand concentrate stuff together
20:41.22houkimeit has i2c
20:42.03houkimehowever recommended layout in datasheet uses only one gnd
20:42.18houkimewhich given this is an ampli should be agnd
20:44.29Joerg-Neo900we use a different layout if we have a I2C GND on this chip
20:45.31Joerg-Neo900sory this makes no sense. This KDE is total shit and I can't do anything to really help right now. I need to fix my workstation so I can work again (also for PIA)
20:45.41houkimeok
20:46.03Joerg-Neo900I hope this won'T take the anticipated 2 weeks
20:46.25Joerg-Neo900but as it looks right now, it might
20:46.27houkimebtw what os you are trying out?
20:46.55Joerg-Neo900I just upgraded
20:47.11Joerg-Neo900which included KDE4 -> KDE5
20:47.46Joerg-Neo900which in turn nuked *everything* I got configured on my desktop during almost 20 years
20:48.22houkimemy first reaction when shit like that happens - recompile problematic stuff from sources.
20:48.32houkimeusually saves the day
20:49.08Joerg-Neo900this is a config issue, recompiling stuff won't help
20:49.39Joerg-Neo900also I couldn't even open a terminal right now
20:50.08houkimecan you open a file manager?
20:52.32houkimeor the terminal is broken itself?
20:52.45Joerg-Neo900the desktop is broken
20:53.20Joerg-Neo900I can't even reach the menu bar of my IRC client
20:53.39houkimeon occasions like this (which I had), i have an emergency usb stick with a live medium
20:54.14houkimelive medium for arch allows you to chroot into system.
20:54.34houkimeprobably other also have sth like that
20:55.36Joerg-Neo900I jave ctrl+alt+F1
20:55.44Joerg-Neo900but... what then?
20:58.17houkimelast time I did it I cleaned up problematic stuff from shell. You can purge your config files and reinstall kde probably
20:59.28houkimeso that you can have a default kde again.
21:18.05houkimeit is also possible that kde has a special CLI command to restore defaults.
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21:28.45Joerg-Neo900ok removed the top-of-screen panel and added task manager to bottom panel, now (after session restart) I see window title bars again and also buttons in taskswitcher
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21:54.45Joerg-Neo900what the hell??? is this new systemd "session" concept that every app loses connection to internet when you switch to a new X11 session?
22:02.44houkimeS901: 1v8 decoupling is missing. Also looks like inappropriate number of decouplers for so many spacially separated pins
22:03.00houkime*spatially
22:04.09houkimeinappropriate decoupling is a problem throughout several sensors on neo900 it looks like
22:04.14Joerg-Neo900add decoupling as you see fit
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22:21.22houkimefilled a bit my new issue tracking page. https://notabug.org/Houkime/Neo900-Issues/issues
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