Old 07-09-2019, 07:30 AM   #1
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Join Date: May 2019
Posts: 4
Default Track selection change can crash reaper [Linux]

Tested on Windows and Linux. Only affects Linux.


Settings: Open Track FX window on track selection change is enabled

How to reproduce:

1. Create 2 tracks
2. Add Megababy JSFX to one track
3. Open FX chain
4. Bind actions 40418, 40419 to hotkeys (Item navigation: Select and move to item in previous/next track)
5. Use consecutively until reaper crashes


The crash seems to be caused by the FX chain getting focus when changing track. Setting focus back on the
arrange window after changing track selection, e.g. with reaper.SetCursorContext(0) fixes the issue for me.

In case the coredump helps:
Message: Process 5404 (reaper) of user 1000 dumped core.
Stack trace of thread 5404:
#0 0x00007f605023807b gdk_window_raise (libgdk-3.so.0)
#1 0x00007f6050b02439 n/a (libSwell.so)
#2 0x00007f6050adda26 n/a (libSwell.so)
#3 0x00000000004de340 n/a (reaper)
#4 0x00000000004ef14f n/a (reaper)
#5 0x000000000071c5e5 n/a (reaper)
#6 0x00007f6050ae9106 n/a (libSwell.so)
#7 0x00007f6050add937 n/a (libSwell.so)
#8 0x00007f6050ae9567 n/a (libSwell.so)
#9 0x00000000004131d6 n/a (reaper)
#10 0x00007f6050d94ee3 __libc_start_main (libc.so.6)
#11 0x00000000004187ea _start (reaper)
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Old 07-10-2019, 04:52 PM   #2
Justin's Avatar
Join Date: Jan 2005
Location: NYC
Posts: 12,319

Thanks, fixing! (This can also affect macOS!).

Side note: you need the options enabled to only have one FX chain visible at a time, and have it follow selection.
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