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Old 01-25-2020, 10:55 PM   #1
USUARIONUEVO
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Cant build qtractor from slackbuilds , im alone?


Hi , after last batch of changes in slackbuilds, i remove jack-audio-conecction-kit , and install jack , cause all projects under slackbuilds want jack ,instead older.

The question is qtractor builds fine , but no start , in console i got

segmentation fault.

Im under slackware64-14.2 updated.

I try system-clean , to remove all packages not shiped under slackware , and reinstall qtractor, building all deps declared as needed ... python3 , jack , ..

But i got the same , segmentation fault.

I suspect is related to jack ...but i cant see nothing , only segmentation fault.

Anyone can build and run qtractor ?
I not emailed mantainer cause im not 100% sure what happen.
 
Old 01-25-2020, 11:06 PM   #2
Geist
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Distribution: Slackware 14 / current
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Rebuilt it just now and works fine for me.

Try

Code:
gdb qtractor
Then type inside gdb (and pressing enter, of course),

Code:
run
once it segfaults,
Code:
bt
bt gives you the backtrace, might be enough to see what it is.
 
Old 01-25-2020, 11:13 PM   #3
USUARIONUEVO
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Quote:
Originally Posted by Geist View Post
Rebuilt it just now and works fine for me.

Try

Code:
gdb qtractor
Then type inside gdb (and pressing enter, of course),

Code:
run
once it segfaults,
Code:
bt
bt gives you the backtrace, might be enough to see what it is.
Thanks , i start rebuild and see what happen.

strange , ... point to slackware lib db44

Quote:
Thread 1 "qtractor" received signal SIGSEGV, Segmentation fault.
0x00007ffff281e38a in __db_get_lorder () from /lib64/libdb-4.4.so
More info
Quote:
ldd /usr/bin/qtractor|grep libdb
libdb-4.4.so => /lib64/libdb-4.4.so (0x00007f18788b1000)

Last edited by USUARIONUEVO; 01-25-2020 at 11:42 PM.
 
Old 01-26-2020, 12:13 AM   #4
Geist
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Distribution: Slackware 14 / current
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Strange, and immediately out of my knowledge/skill range, since that library is part of the aaa_elflibs package, and I have not yet had the courage to mess with those.
(and therefore didn't research them either).

Sorry ^^;
 
Old 01-26-2020, 03:15 AM   #5
Skaendo
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Quote:
Originally Posted by USUARIONUEVO View Post
Thanks , i start rebuild and see what happen.

strange , ... point to slackware lib db44

More info
Shot in the dark here, but you could try to bump the version since there is a more recent version.

https://sourceforge.net/projects/qtr...ractor/0.9.12/

This may or may not work, just a shot.
 
Old 01-26-2020, 04:22 AM   #6
Geist
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Also, have you done an "install-new", too?
 
Old 01-26-2020, 09:43 AM   #7
USUARIONUEVO
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Quote:
Originally Posted by Geist View Post
Also, have you done an "install-new", too?
install-new under 14.2 ?? , no


I solved , i dont know why , but something goes bad in my installation ,

1 - I reinstall db42 , db44 and db48 in order
2 - Build again jack
3 - Build again qtractor

Now runs as excepted.

Thanks all !
 
  


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