#qi-hardware IRC log for Thursday, 2012-04-19

DocScrutinizerI guess that thing has same potential to completely change our daily tech life like 20..10 years ago GSM++ had00:16
DocScrutinizeror a bit more into the past, the IBM PC00:17
qi-bot[commit] Adam Wang: ir.lib -> removed BZX84 (master) http://qi-hw.com/p/kicad-libs/da2b1e902:59
qi-bot[commit] Adam Wang: Merge branch 'master' of projects.qi-hardware.com:kicad-libs (master) http://qi-hw.com/p/kicad-libs/1665a3402:59
cladamwwpwrak, do you know if 8:10 card in m1 can be worked as 'One-Bit SD Bus' ? http://en.wikipedia.org/wiki/Secure_Digital#Transfer_modes04:05
larsccladamw: the core currently only supports the 4-bit mode06:46
cladamwlarsc, okay ... tks. :)06:52
qi-bot[commit] Adam Wang: missed IO_L60N_3 (master) http://qi-hw.com/p/kicad-libs/8d49b6e07:15
qi-bot[commit] Adam Wang: added hole.lib for mechanical hole (master) http://qi-hw.com/p/kicad-libs/bdd475509:57
qi-bot[commit] Adam Wang: rename description and keyword as MH_1 (master) http://qi-hw.com/p/kicad-libs/b6c7e5a10:03
qi-botThe build was successful: http://fidelio.qi-hardware.com/~xiangfu/build-nanonote/openwrt-xburst.minimal-20120418-0448 10:38
panda|x201kyak, cool, good to see wolfgang xiangfu alone with me14:22
kyakthat,s the stat for most reliable internet connection :)14:27
whitequarkdidn't expect to be threre15:09
wpwrakwhitequark: the flash rants are paying off ;-)15:41
kyakthe he-who-never-sleeps is unreachable anyway :)15:44
wpwrakwell, if wolfgang, kristianpaul, and joerg would team up ... :)15:46
kyakmirko: after update to qt4-4.8.1, all qt4 application won't start with "linuxfb: driver not found". I made sure qt4-drivers-gfx-linuxfb is installed and also tried to rebuild the image from scratch15:47
kyaki also tried playing with QWS_DISPLAY variable (it;s set to linuxfb by default) by unsetting it or setting to directfb - it still doesn't work15:48
kyakmirko: when i strace it, just before failing it tries "stat("/usr/bin/gfxdrivers/.", 0x7f8e0e70) = -1 ENOENT (No such file or directory)"15:52
kyaki don't know what it tries to find there, because just before that "stat("/usr/lib/Qt/plugins/gfxdrivers/libqscreenlinuxfb.so", {st_mode=S_IFREG|0755, st_size=39351, ...}) = 0" works fine (/usr/lib/Qt/plugins/gfxdrivers/libqscreenlinuxfb.so is there)15:52
mirkokyak: oh.. hm..15:59
kyakmirko: this is the strace log.. if you have some ideas.. http://downloads.qi-hardware.com/people/kyak/tmp/qt4.log16:03
kyakand the same log from qt4-4.7: http://downloads.qi-hardware.com/people/kyak/tmp/qt4-7.log16:12
whitequarkwpwrak: I briefly recall seeing myself in top even before flash rants16:22
mirkokyak: http://irclog.whitequark.org/qi-hardware/2010-09-06 ? :)17:08
mirkojust look for "/usr/bin/gfxdrivers/"17:08
mirkoit's from 2012 ;)17:08
mirkoso it's not Qt4.8-specific17:12
kyakmirko: i know, i had found it before :)17:17
kyakno idea what the problem was and how it got fixed.. but there was a segfault17:17
kyaki even found the according paste17:18
kyakso the problem is different.. btw, qt-4.7 is also looking for /usr/bin/gfxdrivers, so it might not be the problem17:19
mirkoqws is working on ARM like a charme17:24
mirkoon top of linuxfb17:24
mirkodid you start strace with '-f' or '-ff' to follow forks/threads?17:26
mirkowell, focusing on operations on "libqscreenlinuxfb.so"17:27
mirkoqt4.8 doesn't even try to open the file17:27
mirkoit just 'stat's it17:27
mirkostat64 vs. stat - issue on mips?17:28
kyakwithout -f at all17:32
kyaklet me do -ff17:32
kyaknow it's -ff, the same link17:34
mirko-ff is wrong :)17:34
mirkojust checked the man page17:35
mirko       -f          Trace  child  processes  as they are created by cur17:35
mirko                   rently traced processes as a result of  the  fork(2)17:35
mirko                   system call.17:35
kyakupdated with -f :(17:36
kyakyeah, it doesn't try to open the file for some reason17:42
kyakmirko: i had an idea that removing ~/Settings would help, but it doesn't :)17:50
kyak/root/Settings/Trolltech.conf has interesting lines inside17:50
kyaklike usr\lib\Qt\plugins\gfxdrivers\libqdirectfbscreen.so=0, 1, , 2012-04-18T22:41:3417:51
kyaksame for linuxfb17:51
kyak"Plugin Cache" or whatever17:51
mirkoi'm sorry that the update causes regressions for you - personally i won't be able to debug this before next week (which I also can't promise :/)18:22
kyakit's ok; good thing it happened after the release :)18:31
qi-bot[commit] Werner Almesberger: components/EXPAND: added MH (mounting hole) (master) http://qi-hw.com/p/kicad-libs/e32fc7422:36
wolfspraulgood morning23:20
rjeffriesRaspberry Pi schematics now available. That's a good thing. http://www.raspberrypi.org/archives/109023:53
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