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Qtractor doesn't open in Librazik-2 (SOLVED)

Hi all,
using 32-bit Librazik-2 here.
I'm not sure if it's due to a recent package update, or conflict with new installed packages, or something else..
Previously I just got a "segmentation fault."
So I re-installed Qtractor, and now I get this:


~$ qtractor
*** Error in `qtractor': double free or corruption (!prev): 0x03455940 ***
======= Backtrace: =========
/lib/i386-linux-gnu/libc.so.6(+0x6738a)[0xb57af38a]
/lib/i386-linux-gnu/libc.so.6(+0x6dfc7)[0xb57b5fc7]
/lib/i386-linux-gnu/libc.so.6(+0x6e806)[0xb57b6806]
/usr/lib/i386-linux-gnu/libstdc++.so.6(_ZdlPv+0x18)[0xb59e3348]
/usr/lib/dssi/libzynaddsubfx_dssi.so(_ZN3zyn4Bank9addtobankEiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_+0x196)[0xa8808036]
/usr/lib/dssi/libzynaddsubfx_dssi.so(_ZN3zyn4Bank8loadbankENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x585)[0xa8809d05]
/usr/lib/dssi/libzynaddsubfx_dssi.so(_ZN15DSSIaudiooutput11mapNextBankEv+0x107)[0xa88065f7]
/usr/lib/dssi/libzynaddsubfx_dssi.so(_ZN15DSSIaudiooutput10getProgramEm+0x71)[0xa88069e1]
/usr/lib/dssi/libzynaddsubfx_dssi.so(_ZN15DSSIaudiooutput15stub_getProgramEPvm+0x24)[0xa8806a24]
/usr/lib/lv2/naspro-dssi.lv2/dssi.so(+0x1eef)[0xa8c39eef]
/usr/lib/lv2/naspro-dssi.lv2/dssi.so(+0x190d)[0xa8c3990d]
/usr/lib/i386-linux-gnu/libnabrit.so.3(nabrit_util_load_all_in_dir+0xe0)[0xafbb2ff0]
/usr/lib/i386-linux-gnu/libnabrit.so.3(nabrit_util_load_all_in_env_path+0x83)[0xafbb30d3]
/usr/lib/lv2/naspro-dssi.lv2/dssi.so(+0x16fe)[0xa8c396fe]
/usr/lib/liblilv-0.so.0(lilv_world_load_bundle+0x7db)[0xb72de2fb]
/usr/lib/liblilv-0.so.0(+0xf617)[0xb72de617]
/usr/lib/liblilv-0.so.0(+0xcafa)[0xb72dbafa]
/usr/lib/liblilv-0.so.0(+0xd163)[0xb72dc163]
/usr/lib/liblilv-0.so.0(lilv_world_load_all+0x6b)[0xb72dd6fb]
qtractor(+0xcbcd1)[0x568cd1]
qtractor(+0x21d96b)[0x6ba96b]
qtractor(+0x220714)[0x6bd714]
qtractor(main+0x286)[0x4dc956]
/lib/i386-linux-gnu/libc.so.6(__libc_start_main+0xf6)[0xb5760286]
qtractor(+0x40647)[0x4dd647]
======= Memory map: ========
0049d000-00896000 r-xp 00000000 08:01 271559 /usr/bin/qtractor
00897000-008a5000 r--p 003f9000 08:01 271559 /usr/bin/qtractor
008a5000-008a6000 rw-p 00407000 08:01 271559 /usr/bin/qtractor
02033000-03798000 rw-p 00000000 00:00 0 [heap]
a5765000-a7b69000 rw-p 00000000 00:00 0
a7b69000-a7b6a000 ---p 00000000 00:00 0
a7b6a000-a836a000 rw-p 00000000 00:00 0
a8654000-a86f1000 rw-p 00000000 00:00 0
a878e000-a8799000 r-xp 00000000 08:01 4064977 /lib/i386-linux-gnu/libnss_files-2.24.so
a8799000-a879a000 r--p 0000a000 08:01 4064977 /lib/i386-linux-gnu/libnss_files-2.24.so
a879a000-a879b000 rw-p 0000b000 08:01 4064977 /lib/i386-linux-gnu/libnss_files-2.24.so
a879b000-a87a1000 rw-p 00000000 00:00 0
a87a1000-a87ac000 r-xp 00000000 08:01 262506 /usr/lib/i386-linux-gnu/libmxml.so.1.5
a87ac000-a87ad000 ---p 0000b000 08:01 262506 /usr/lib/i386-linux-gnu/libmxml.so.1.5
a87ad000-a87ae000 r--p 0000b000 08:01 262506 /usr/lib/i386-linux-gnu/libmxml.so.1.5
a87ae000-a87af000 rw-p 0000c000 08:01 262506 /usr/lib/i386-linux-gnu/libmxml.so.1.5
a87cd000-a8991000 r-xp 00000000 08:01 263634 /usr/lib/dssi/libzynaddsubfx_dssi.so
a8991000-a8995000 r--p 001c3000 08:01 263634 /usr/lib/dssi/libzynaddsubfx_dssi.so
a8995000-a8996000 rw-p 001c7000 08:01 263634 /usr/lib/dssi/libzynaddsubfx_dssi.so
a8996000-a8997000 rw-p 00000000 00:00 0
a8997000-a89a8000 r-xp 00000000 08:01 264798 /usr/lib/dssi/xsynth-dssi.so
a89a8000-a89b9000 rw-p 00011000 08:01 264798 /usr/lib/dssi/xsynth-dssi.so
a89b9000-a89bb000 rw-p 00000000 00:00 0
a89bb000-a89c1000 r-xp 00000000 08:01 264631 /usr/lib/dssi/3BandEQ-dssi.so
a89c1000-a89c2000 ---p 00006000 08:01 264631 /usr/lib/dssi/3BandEQ-dssi.so
a89c2000-a89c3000 r--p 00006000 08:01 264631 /usr/lib/dssi/3BandEQ-dssi.so
a89c3000-a89c4000 rw-p 00007000 08:01 264631 /usr/lib/dssi/3BandEQ-dssi.so
a89c4000-a89c7000 r-xp 00000000 08:01 271006 /usr/lib/dssi/ll-scope.so
a89c7000-a89c8000 r--p 00002000 08:01 271006 /usr/lib/dssi/ll-scope.so
a89c8000-a89c9000 rw-p 00003000 08:01 271006 /usr/lib/dssi/ll-scope.so
a89c9000-a89cf000 r-xp 00000000 08:01 268327 /usr/lib/dssi/si-h2-dssi.so
a89cf000-a89d0000 r--p 00005000 08:01 268327 /usr/lib/dssi/si-h2-dssi.so
a89d0000-a89d1000 rw-p 00006000 08:01 268327 /usr/lib/dssi/si-h2-dssi.so
a89d1000-a89d4000 r-xp 00000000 08:01 264248 /usr/lib/dssi/trivial_sampler.so
a89d4000-a89d5000 r--p 00002000 08:01 264248 /usr/lib/dssi/trivial_sampler.so
a89d5000-a89d6000 rw-p 00003000 08:01 264248 /usr/lib/dssi/trivial_sampler.so
a89d6000-a8a15000 r-xp 00000000 08:01 264797 /usr/lib/dssi/whysynth.so
a8a15000-a8a16000 r--p 0003e000 08:01 264797 /usr/lib/dssi/whysynth.so
a8a16000-a8bf1000 rw-p 0003f000 08:01 264797 /usr/lib/dssi/whysynth.so
a8bf1000-a8bf2000 rw-p 00000000 00:00 0
a8bf2000-a8bf8000 r-xp 00000000 08:01 264650 /usr/lib/dssi/AmplitudeImposer-dssi.so
a8bf8000-a8bf9000 r--p 00005000 08:01 264650 /usr/lib/dssi/AmplitudeImposer-dssi.so
a8bf9000-a8bfa000 rw-p 00006000 08:01 264650 /usr/lib/dssi/AmplitudeImposer-dssi.so
a8bfa000-a8c06000 r-xp 00000000 08:01 264659 /usr/lib/dssi/MVerb-dssi.so
a8c06000-a8c07000 r--p 0000b000 08:01 264659 /usr/lib/dssi/MVerb-dssi.so
a8c07000-a8c08000 rw-p 0000c000 08:01 264659 /usr/lib/dssi/MVerb-dssi.so
a8c08000-a8c1a000 r-xp 00000000 08:01 264801 /usr/lib/dssi/wsynth-dssi.so
a8c1a000-a8c1b000 r--p 00011000 08:01 264801 /usr/lib/dssi/wsynth-dssi.so
a8c1b000-a8c1c000 rw-p 00012000 08:01 264801 /usr/lib/dssi/wsynth-dssi.so
a8c1c000-a8c1f000 rw-p 00000000 00:00 0
a8c1f000-a8c25000 r-xp 00000000 08:01 264647 /usr/lib/dssi/3BandSplitter-dssi.so
a8c25000-a8c26000 ---p 00006000 08:01 264647 /usr/lib/dssi/3BandSplitter-dssi.so
a8c26000-a8c27000 r--p 00006000 08:01 264647 /usr/lib/dssi/3BandSplitter-dssi.so
a8c27000-a8c28000 rw-p 00007000 08:01 264647 /usr/lib/dssi/3BandSplitter-dssi.so
a8c28000-a8c2e000 r-xp 00000000 08:01 268329 /usr/lib/dssi/si-l1-dssi.so
a8c2e000-a8c2f000 r--p 00005000 08:01 268329 /usr/lib/dssi/si-l1-dssi.so
a8c2f000-a8c30000 rw-p 00006000 08:01 268329 /usr/lib/dssi/si-l1-dssi.so
a8c30000-a8c36000 r-xp 00000000 08:01 267123 /usr/lib/dssi/si-h1-dssi.so
a8c36000-a8c37000 r--p 00005000 08:01 267123 /usr/lib/dssi/si-h1-dssi.so
a8c37000-a8c38000 rw-p 00006000 08:01 267123 /usr/lib/dssi/si-h1-dssi.so
a8c38000-a8c3b000 r-xp 00000000 08:01 398956 /usr/lib/lv2/naspro-dssi.lv2/dssi.so
a8c3b000-a8c3c000 rw-p 00003000 08:01 398956 /usr/lib/lv2/naspro-dssi.lv2/dssi.so
a8c3c000-a8c3e000 r-xp 00000000 08:01 398972 /usr/lib/ladspa/valve_1209.so
a8c3e000-a8c3f000 r--p 00001000 08:01 398972 /usr/lib/ladspa/valve_1209.so
a8c3f000-a8c40000 rw-p 00002000 08:01 398972 /usr/lib/ladspa/valve_1209.so
a8c40000-a8c41000 r-xp 00000000 08:01 398943 /usr/lib/ladspa/sinus_wavewrapper_1198.so
a8c41000-a8c42000 ---p 00001000 08:01 398943 /usr/lib/ladspa/sinus_wavewrapper_1198.so
a8c42000-a8c43000 r--p 00001000 08:01 398943 /usr/lib/ladspa/sinus_wavewrapper_1198.so
a8c43000-a8c44000 rw-p 00002000 08:01 398943 /usr/lib/ladspa/sinus_wavewrapper_1198.so
a8c44000-a8c49000 r-xp 00000000 08:01 398886 /usr/lib/ladspa/gverb_1216.so
a8c49000-a8c4a000 r--p 00004000 08:01 398886 /usr/lib/ladspa/gverb_1216.so
a8c4a000-a8c4b000 rw-p 00005000 08:01 398886 /usr/lib/ladspa/gverb_1216.so
a8c4b000-a8c51000 r-xp 00000000 08:01 395397 /usr/lib/ladspa/ZamPhono-ladspa.so
a8c51000-a8c52000 r--p 00005000 08:01 395397 /usr/lib/ladspa/ZamPhono-ladspa.so
a8c52000-a8c53000 rw-p 00006000 08:01 395397 /usr/lib/ladspa/ZamPhono-ladspa.so
a8c53000-a8c55000 r-xp 00000000 08:01 397574 /usr/lib/ladspa/adsr_1653.so
a8c55000-a8c56000 r--p 00001000 08:01 397574 /usr/lib/ladspa/adsr_1653.so
a8c56000-a8c57000 rw-p 00002000 08:01 397574 /usr/lib/ladspa/adsr_1653.so
a8c57000-a8c59000 r-xp 00000000 08:01 397601 /usr/lib/ladspa/sync_square_1678.so
a8c59000-a8c5a000 r--p 00001000 08:01 397601 /usr/lib/ladspa/sync_square_1678.so
a8c5a000-a8c5b000 rw-p 00002000 08:01 397601 /usr/lib/ladspa/sync_square_1678.so
a8c5b000-a8c5d000 r-xp 00000000 08:01 393355 /usr/lib/ladspa/tap_autopan.so
a8c5d000-a8c5e000 r--p 00001000 08:01 393355 /usr/lib/ladspa/tap_autopan.so
a8c5e000-a8c60000 rw-p 00000000 00:00 0
a8c60000-a8c61000 r-xp 00000000 08:01 398945 /usr/lib/ladspa/split_1406.so
a8c61000-a8c62000 ---p 00001000 08:01 398945 /usr/lib/ladspa/split_1406.so
a8c62000-a8c63000 r--p 00001000 08:01 398945 /usr/lib/ladspa/split_1406.so
a8c63000-a8c64000 rw-p 00002000 08:01 398945 /usr/lib/ladspa/split_1406.so
a8c64000-a8c67000 r-xp 00000000 08:01 398834 /usr/lib/ladspa/analogue_osc_1416.so
a8c67000-a8c68000 r--p 00002000 08:01 398834 /usr/lib/ladspa/analogue_osc_1416.so
a8c68000-a8c69000 rw-p 00003000 08:01 398834 /usr/lib/ladspa/analogue_osc_1416.so
a8c69000-a8c70000 r-xp 00000000 08:01 397573 /usr/lib/ladspa/autotalent.so
a8c70000-a8c71000 r--p 00006000 08:01 397573 /usr/lib/ladspa/autotalent.so
a8c71000-a8c72000 rw-p 00007000 08:01 397573 /usr/lib/ladspa/autotalent.so
a8c72000-a8c75000 r-xp 00000000 08:01 398830 /usr/lib/ladspa/ambisonic2.so
a8c75000-a8c76000 ---p 00003000 08:01 398830 /usr/lib/ladspa/ambisonic2.so
a8c76000-a8c77000 r--p 00003000 08:01 398830 /usr/lib/ladspa/ambisonic2.so
a8c77000-a8c78000 rw-p 00004000 08:01 398830 /usr/lib/ladspa/ambisonic2.so
a8c78000-a8c7b000 r-xp 00000000 08:01 398336 /usr/lib/ladspa/inv_compressor.so
a8c7b000-a8c7c000 r--p 00002000 08:01 398336 /usr/lib/ladspa/inv_compressor.so
a8c7c000-a8c7d000 rw-p 00003000 08:01 398336 /usr/lib/ladspa/inv_compressor.so
a8c7d000-a8c7e000 r-xp 00000000 08:01 396622 /usr/lib/ladspa/power_4400.so
a8c7e000-a8c7f000 rw-p 00000000 08:01 396622 /usr/lib/ladspa/power_4400.so
a8c7f000-a8c81000 r-xp 00000000 08:01 398825 /usr/lib/ladspa/alias_1407.so
a8c81000-a8c82000 r--p 00001000 08:01 398825 /usr/lib/ladspa/alias_1407.so
a8c82000-a8c83000 rw-p 00002000 08:01 398825 /usr/lib/ladspa/alias_1407.so
a8c83000-a8c87000 r-xp 00000000 08:01 397582 /usr/lib/ladspa/dahdsr_2021.so
a8c87000-a8c88000 r--p 00003000 08:01 397582 /usr/lib/ladspa/dahdsr_2021.so
a8c88000-a8c89000 rw-p 00004000 08:01 397582 /usr/lib/ladspa/dahdsr_2021.so
a8c89000-a8c8c000 r-xp 00000000 08:01 398919 /usr/lib/ladspa/plate_1423.so
a8c8c000-a8c8d000 r--p 00002000 08:01 398919 /usr/lib/ladspa/plate_1423.so
a8c8d000-a8c8e000 rw-p 00003000 08:01 398919 /usr/lib/ladspa/plate_1423.so
a8c8e000-a8dd5000 r-xp 00000000 08:01 398402 /usr/lib/ladspa/lsp-plugins-ladspa.so
a8dd5000-a8dd6000 ---p 00147000 08:01 398402 /usr/lib/ladspa/lsp-plugins-ladspa.so
a8dd6000-a8e6f000 r--p 00147000 08:01 398402 /usr/lib/ladspa/lsp-plugins-ladspa.so
a8e6f000-a8e74000 rw-p 001e0000 08:01 398402 /usr/lib/ladspa/lsp-plugins-ladspa.so
a8e74000-a8e78000 rw-p 00000000 00:00 0
a8e78000-a8e7b000 r-xp 00000000 08:01 398916 /usr/lib/ladspa/phasers_1217.so
a8e7b000-a8e7c000 ---p 00003000 08:01 398916 /usr/lib/ladspa/phasers_1217.so
a8e7c000-a8e7d000 r--p 00003000 08:01 398916 /usr/lib/ladspa/phasers_1217.so
a8e7d000-a8e7e000 rw-p 00004000 08:01 398916 /usr/lib/ladspa/phasers_1217.so
a8e7e000-a8e80000 r-xp 00000000 08:01 396625 /usr/lib/ladspa/dahdsr_hexp.so
a8e80000-a8e81000 rw-p 00001000 08:01 396625 /usr/lib/ladspa/dahdsr_hexp.so
a8e81000-a8e8b000 r-xp 00000000 08:01 393475 /usr/lib/ladspa/ZaMultiCompX2-ladspa.so
a8e8b000-a8e8c000 ---p 0000a000 08:01 393475 /usr/lib/ladspa/ZaMultiCompX2-ladspa.so
a8e8c000-a8e8d000 r--p 0000a000 08:01 393475 /usr/lib/ladspa/ZaMultiCompX2-ladspa.so
a8e8d000-a8e8e000 rw-p 0000b000 08:01 393475 /usr/lib/ladspa/ZaMultiCompX2-ladspa.so
a8e8e000-a8e90000 r-xp 00000000 08:01 397602 /usr/lib/ladspa/tracker_2025.so
a8e90000-a8e91000 r--p 00001000 08:01 397602 /usr/lib/ladspa/tracker_2025.so
a8e91000-a8e92000 rw-p 00002000 08:01 397602 /usr/lib/ladspa/tracker_2025.so
a8e92000-a8e97000 r-xp 00000000 08:01 394181 /usr/lib/ladspa/si-l1-ladspa.so
a8e97000-a8e98000 r--p 00004000 08:01 394181 /usr/lib/ladspa/si-l1-ladspa.so
a8e98000-a8e99000 rw-p 00005000 08:01 394181 /usr/lib/ladspa/si-l1-ladspa.so
a8e99000-a8ea0000 r-xp 00000000 08:01 399815 /usr/lib/ladspa/ykchorus-ladspa.so
a8ea0000-a8ea1000 r--p 00006000 08:01 399815 /usr/lib/ladspa/ykchorus-ladspa.so
a8ea1000-a8ea2000 rw-p 00007000 08:01 399815 /usr/lib/ladspa/ykchorus-ladspa.so
a8ea2000-a8ea7000 r-xp 00000000 08:01 393889 /usr/lib/ladspa/tap_eqbw.so
a8ea7000-a8ea8000 r--p 00004000 08:01 393889 /usr/lib/ladspa/tap_eqbw.so
a8ea8000-a8ea9000 rw-p 00000000 00:00 0
a8ea9000-a8ead000 r-xp 00000000 08:01 398911 /usr/lib/ladspa/mbeq_1197.so
a8ead000-a8eae000 r--p 00003000 08:01 398911 /usr/lib/ladspa/mbeq_1197.so
a8eae000-a8eaf000 rw-p 00004000 08:01 398911 /usr/lib/ladspa/mbeq_1197.so
a8eaf000-a8eb1000 r-xp 00000000 08:01 397584 /usr/lib/ladspa/fmod_1656.so
a8eb1000-a8eb2000 r--p 00001000 08:01 397584 /usr/lib/ladspa/fmod_1656.so
a8eb2000-a8eb3000 rw-p 00002000 08:01 397584 /usr/lib/ladspa/fmod_1656.so
a8eb3000-a8eb5000 r-xp 00000000 08:01 397598 /usr/lib/ladspa/square_1643.so
a8eb5000-a8eb6000 r--p 00001000 08:01 397598 /usr/lib/ladspa/square_1643.so
a8eb6000-a8eb7000 rw-p 00002000 08:01 397598 /usr/lib/ladspa/square_1643.so
a8eb7000-a8eb9000 r-xp 00000000 08:01 393886 /usr/lib/ladspa/tap_echo.so
a8eb9000-a8eba000 r--p 00001000 08:01 393886 /usr/lib/ladspa/tap_echo.so
a8eba000-a8ebb000 rw-p 00000000 00:00 0
a8ebb000-a8ebd000 r-xp 00000000 08:01 396633 /usr/lib/ladspa/formant_filter_4300.so
a8ebd000-a8ebe000 rw-p 00001000 08:01 396633 /usr/lib/ladspa/formant_filter_4300.so
a8ebe000-a8ec2000 r-xp 00000000 08:01 398975 /usr/lib/ladspa/vocoder_1337.so
a8ec2000-a8ec3000 r--p 00003000 08:01 398975 /usr/lib/ladspa/vocoder_1337.so
a8ec3000-a8ec4000 rw-p 00004000 08:01 398975 /usr/lib/ladspa/vocoder_1337.so
a8ec4000-a8ec6000 r-xp 00000000 08:01 393896 /usr/lib/ladspa/tap_sigmoid.so
a8ec6000-a8ec7000 r--p 00001000 08:01 393896 /usr/lib/ladspa/tap_sigmoid.so
a8ec7000-a8ec8000 rw-p 00000000 00:00 0
a8ec8000-a8ec9000 r-xp 00000000 08:01 398977 /usr/lib/ladspa/wave_terrain_1412.so
a8ec9000-a8eca000 ---p 00001000 08:01 398977 /usr/lib/ladspa/wave_terrain_1412.so
a8eca000-a8ecb000 r--p 00001000 08:01 398977 /usr/lib/ladspa/wave_terrain_1412.so
a8ecb000-a8ecc000 rw-p 00002000 08:01 398977 /usr/lib/ladspa/wave_terrain_1412.so
a8ecc000-a8ece000 r-xp 00000000 08:01 394020 /usr/lib/ladspa/tap_vibrato.so
a8ece000-a8ecf000 r--p 00001000 08:01 394020 /usr/lib/ladspa/tap_vibrato.so
a8ecf000-a8ed1000 rw-p 00000000 00:00 0
a8ed1000-a8ed3000 r-xp 00000000 08:01 398921 /usr/lib/ladspa/rate_shifter_1417.so
a8ed3000-a8ed4000 r--p 00001000 08:01 398921 /usr/lib/ladspa/rate_shifter_1417.so
a8ed4000-a8ed5000 rw-p 00002000 08:01 398921 /usr/lib/ladspa/rate_shifter_1417.so
a8ed5000-a8ed9000 r-xp 00000000 08:01 398337 /usr/lib/ladspa/inv_erreverb.so
a8ed9000-a8eda000 r--p 00003000 08:01 398337 /usr/lib/ladspa/inv_erreverb.so
a8eda000-a8edb000 rw-p 00004000 08:01 398337 /usr/lib/ladspa/inv_erreverb.so
a8edb000-a8edc000 r-xp 00000000 08:01 398980 /usr/lib/ladspa/zm1_1428.so
a8edc000-a8edd000 r--p 00000000 08:01 398980 /usr/lib/ladspa/zm1_1428.so
a8edd000-a8ede000 rw-p 00001000 08:01 398980 /usr/lib/ladspa/zm1_1428.so
a8ede000-a8ee0000 r-xp 00000000 08:01 398888 /usr/lib/ladspa/harmonic_gen_1220.so
a8ee0000-a8ee1000 r--p 00001000 08:01 398888 /usr/lib/ladspa/harmonic_gen_1220.so
a8ee1000-a8ee2000 rw-p 00002000 08:01 398888 /usr/lib/ladspa/harmonic_gen_1220.so
a8ee2000-a8ee4000 r-xp 00000000 08:01 398864 /usr/lib/ladspa/fad_delay_1192.so
a8ee4000-a8ee5000 r--p 00001000 08:01 398864 /usr/lib/ladspa/fad_delay_1192.so
a8ee5000-a8ee6000 rw-p 00002000 08:01 398864 /usr/lib/ladspa/fad_delay_1192.so
a8ee6000-a8eea000 r-xp 00000000 08:01 398339 /usr/lib/ladspa/inv_input.so
a8eea000-a8eeb000 r--p 00003000 08:01 398339 /usr/lib/ladspa/inv_input.so
a8eeb000-a8eec000 rw-p 00004000 08:01 398339 /usr/lib/ladspa/inv_input.so
a8eec000-a8ef1000 r-xp 00000000 08:01 398915 /usr/lib/ladspa/notch_iir_1894.so
a8ef1000-a8ef2000 r--p 00004000 08:01 398915 /usr/lib/ladspa/notch_iir_1894.so
a8ef2000-a8ef3000 rw-p 00005000 08:01 398915 /usr/lib/ladspa/notch_iir_1894.so
a8ef3000-a8ef9000 r-xp 00000000 08:01 394173 /usr/lib/ladspa/si-d2-ladspa.so
a8ef9000-a8efa000 r--p 00005000 08:01 394173 /usr/lib/ladspa/si-d2-ladspa.so
a8efa000-a8efb000 rw-p 00006000 08:01 394173 /usr/lib/ladspa/si-d2-ladspa.so
a8efb000-a8efd000 r-xp 00000000 08:01 398853 /usr/lib/ladspa/decay_1886.so
a8efd000-a8efe000 r--p 00001000 08:01 398853 /usr/lib/ladspa/decay_1886.so
a8efe000-a8eff000 rw-p 00002000 08:01 398853 /usr/lib/ladspa/decay_1886.so
a8eff000-a8f03000 r-xp 00000000 08:01 398890 /usr/lib/ladspa/highpass_iir_1890.so
a8f03000-a8f04000 r--p 00003000 08:01 398890 /usr/lib/ladspa/highpass_iir_1890.so
a8f04000-a8f05000 rw-p 00004000 08:01 398890 /usr/lib/ladspa/highpass_iir_1890.so
a8f05000-a8f07000 r-xp 00000000 08:01 398845 /usr/lib/ladspa/chebstortion_1430.so
a8f07000-a8f08000 r--p 00001000 08:01 398845 /usr/lib/ladspa/chebstortion_1430.so
a8f08000-a8f09000 rw-p 00002000 08:01 398845 /usr/lib/ladspa/chebstortion_1430.so
a8f09000-a8f0c000 r-xp 00000000 08:01 398926 /usr/lib/ladspa/sc1_1425.so
a8f0c000-a8f0d000 r--p 00002000 08:01 398926 /usr/lib/ladspa/sc1_1425.so
a8f0d000-a8f0e000 rw-p 00003000 08:01 398926 /usr/lib/ladspa/sc1_1425.so
a8f0e000-a8f10000 rw-p 00000000 00:00 0
a8f10000-a8f14000 r-xp 00000000 08:01 398905 /usr/lib/ladspa/lowpass_iir_1891.so
a8f14000-a8f15000 r--p 00003000 08:01 398905 /usr/lib/ladspa/lowpass_iir_1891.so
a8f15000-a8f16000 rw-p 00004000 08:01 398905 /usr/lib/ladspa/lowpass_iir_1891.so
a8f16000-a8f18000 r-xp 00000000 08:01 398887 /usr/lib/ladspa/hard_limiter_1413.so
a8f18000-a8f19000 r--p 00001000 08:01 398887 /usr/lib/ladspa/hard_limiter_1413.so
a8f19000-a8f1a000 rw-p 00002000 08:01 398887 /usr/lib/ladspa/hard_limiter_1413.so
a8f1a000-a8f1c000 r-xp 00000000 08:01 398268 /usr/lib/ladspa/filters.so
a8f1c000-a8f1d000 r--p 00001000 08:01 398268 /usr/lib/ladspa/filters.so
a8f1d000-a8f1e000 rw-p 00002000 08:01 398268 /usr/lib/ladspa/filters.so
a8f1e000-a8f20000 r-xp 00000000 08:01 393899 /usr/lib/ladspa/tap_tremolo.so
a8f20000-a8f21000 r--p 00001000 08:01 393899 /usr/lib/ladspa/tap_tremolo.so
a8f21000-a8f23000 rw-p 00000000 00:00 0
a8f23000-a8f26000 r-xp 00000000 08:01 393892 /usr/lib/ladspa/tap_pitch.so
a8f26000-a8f27000 r--p 00002000 08:01 393892 /usr/lib/ladspa/tap_pitch.so
a8f27000-a8f29000 rw-p 00000000 00:00 0
a8f29000-a8f2b000 r-xp 00000000 08:01 395679 /usr/lib/ladspa/mvchpf24.so
a8f2b000-a8f2c000 r--p 00001000 08:01 395679 /usr/lib/ladspa/mvchpf24.so
a8f2c000-a8f2d000 rw-p 00002000 08:01 395679 /usr/lib/ladspa/mvchpf24.so
a8f2d000-a8f2e000 r-xp 00000000 08:01 396630 /usr/lib/ladspa/comparison_4440.so
a8f2e000-a8f2f000 rw-p 00001000 08:01 396630 /usr/lib/ladspa/comparison_4440.so
a8f2f000-a8f31000 r-xp 00000000 08:01 398873 /usr/lib/ladspa/gate_1410.so
a8f31000-a8f32000 r--p 00001000 08:01 398873 /usr/lib/ladspa/gate_1410.so
a8f32000-a8f33000 rw-p 00002000 08:01 398873 /usr/lib/ladspa/gate_1410.so
a8f33000-a8f35000 r-xp 00000000 08:01 398946 /usr/lib/ladspa/step_muxer_1212.so
a8f35000-a8f36000 r--p 00001000 08:01 398946 /usr/lib/ladspa/step_muxer_1212.so
a8f36000-a8f37000 rw-p 00002000 08:01 398946 /usr/lib/ladspa/step_muxer_1212.so
a8f37000-a8f39000 r-xp 00000000 08:01 397600 /usr/lib/ladspa/sync_pulse_2023.so
a8f39000-a8f3a000 r--p 00001000 08:01 397600 /usr/lib/ladspa/sync_pulse_2023.so
a8f3a000-a8f3b000 rw-p 00002000 08:01 397600 /usr/lib/ladspa/sync_pulse_2023.so
a8f3b000-a8f3d000 r-xp 00000000 08:01 398920 /usr/lib/ladspa/pointer_cast_1910.soAnnullato

Any help much appreciated!

Brian

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rncbc's picture

sorry, I have no clue what is going wrong but it looks like you're having trouble with some, one or more plugins of an existing session and it crashes when opening it, right?

you can take several routes to find which one is the culprit, if not qtractor itself:

a. run qtractor under gdb and take a full symbolic backtrace that will pin-point to the thread or spot where it is having the segfault;
b. start a new session from scratch, starting clean and try adding the same plugins as you know are in the faulty session (from the dump above you have a serious bunch of lv2's, dssi's and ladspa's as list of suspects); save and re-open the session one step at a time until it chokes in similar way as the one at stake;
c. also in an iterative manner as previous one, edit the xml on a copy of the session file (.qtr) and start cutting one plugin entry at a time, until the session loads cleanly;

i really think you'll probably have to go with a (re)mix of the above until the nasty bugger is found.
sorry for the mess: remember to backup and more importantly ALWAYS have trials with working copies, never with the originals ;)

hth.
cheers

briandc's picture

Hi rncbc and thanks for the tips.
Before I begin testing as you recommend, I ought to mention that Qtractor was in fact the first application that I opened after QJackCtl. No synths, effects, nothing. I had no other apps open at the time, and no previous Qtractor sessions to load either. It was a "clean" opening, so to speak.
Perhaps if I uninstall the recent plugins, it will clear things up...

Brian

briandc's picture

Finally got a chance to look into this. I tried removing the "naspro-bridges" package, and voilà! Qtractor works again! :)
Thank you, rncbc, for your suggestions.

Hopefully this will be useful to others using Librazik2! :)

Brian

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