Tiny Core Extensions > TCE Q&A Forum

Cannot Load Run Extension (TCL Noob)

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gerald_clark:
No.
Xvesa.tcz is a separate package.
I booted TC with base norestore.
I ran 'tce-load -iw qucs'
Qucs seg faults.
I ran 'tce-load -iw Xvesa'
I entered CTRL-ALT-BACKSPACE
I ran xtartx.
Now qucs runs.

tinypoodle:
Oh ok, gotcha now.
Had noticed myself on occasion that certain behaviours could be different between Xvesa in base and Xvesa extension.

maro:
I had a quick look into running 'qucs' with 'strace' against first the "Core" Xvesa (resulting in the expected segfault) and 'Xvesa.tcz'. I could not easily see an obvious difference, so I ran it under 'gdb' and did a backtrace:

--- Quote ---(gdb) bt
#0  0xb6b284fd in XInput_find_display () from /usr/lib/libXi.so.6
#1  0xb6b26c32 in XListInputDevices () from /usr/lib/libXi.so.6
#2  0xb6f3031c in qt_init_internal () from /usr/local/lib/libqt-mt.so.3
#3  0xb6f32956 in qt_init () from /usr/local/lib/libqt-mt.so.3
#4  0xb6fa4051 in QApplication::construct () from /usr/local/lib/libqt-mt.so.3
#5  0xb6fa44e4 in QApplication::QApplication ()
   from /usr/local/lib/libqt-mt.so.3
#6  0x0807f294 in ?? ()
#7  0xbffad140 in ?? ()
#8  0xbffad280 in ?? ()
#9  0xbffad324 in ?? ()
#10 0xffffffff in ?? ()
#11 0x00000000 in ?? ()

--- End quote ---

I've done the same quick test with two other extensions (i.e. 'qps.tcz' and 'cutecom-0.14.2.tcz') that depend on 'qt-3.3.8b-xorg.tcz': they all segfault with the "Core" Xvesa (in the same way as above) and work fine when using 'Xvesa.tcz'. My hunch was that 'qt-3.3.8b-xorg.tcz' was built against 'Xorg-7.4', but that might not be correct.

So, I guess this is now a "case" for those that understand these matters better than I do ...

Drone:
So @Gerald_Clark you said, "I ran xtartx", did you mean "startx"? Thanks all for looking into this, I"m still here but a lot of this is over my head as  a TCL Noob... David

gerald_clark:
Yes, startx.
Get a USB thumb drive and put a /tce directory on it so you can have persistent storage.
Then you can install Xvesa and qucs.
If your machine can boot USB, then that would be even better.

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