View Issue Details

Jump to NotesJump to History
IDProjectCategoryView StatusDate SubmittedLast Update
0010404ardourbugspublic2026-06-14 11:162026-06-15 20:22
Reportersthauge Assigned Tox42  
PrioritynormalSeveritycrashReproducibilityalways
Status resolvedResolutionfixed 
PlatformUbuntuOSLinuxOS Version(any)
Summary0010404: Inserting a channel template with a side-chained compressor crashes Ardour 9.5
DescriptionFrom the terminal:

(ardour-9.5.0:20539): glibmm-ERROR **: 13:13:34.210:
unhandled exception (type std::exception) in signal handler:
what: unable to create port 'SC bass/ACE Compressor (stereo) 1/audio_in 1': failed constructor

From the kernel log:

14.06.2026 13:13 traps ArdourGUI[20539] trap int3 ip:77e1fa705147 sp:7ffec4f09a80 error:0 in libglib-2.0.so.0[5a147,77e1fa6c6000+b1000]
Steps To ReproduceTo replicate the crash:

1. Open a new session
2. Insert two stereo channels 'kick' and 'bass'
3. Insert the ACE compressor on 'bass' and side-chain it from the 'kick'
4. Save the 'bass' channel (selected track only) as session template
5. Add a new stereo channel 'bass 2'
6. Open mixer tools and insert the previous saved session template into 'bass 2'
7. Boom - Ardour is gone with the errors reported above.
TagsNo tags attached.

Activities

sthauge

2026-06-14 11:25

reporter   ~0030497

Just tried on Ardour 9.7.0 and the problem is still there.

gfontanilla

2026-06-15 09:47

reporter   ~0030502

I'm unable to reproduce on 9.7 following the instructions provided. Can you kindly provide a video/screengrab?

sthauge

2026-06-15 11:16

reporter   ~0030504

This is done in Ardour 9.7.0

I hope this video link works: https://photos.app.goo.gl/8NafY26XULCX4ntt5

Attached some screen shots as well.
ardour_crashed_and_gone.png (646,284 bytes)
ready_to_import_template.png (64,181 bytes)   
ready_to_import_template.png (64,181 bytes)   
saving_template.png (40,420 bytes)   
saving_template.png (40,420 bytes)   
setup9.7.0.png (242,719 bytes)   
setup9.7.0.png (242,719 bytes)   

sthauge

2026-06-15 17:34

reporter   ~0030507

Got a messages from a Harrison developer that this now should be fixed in Mixbus, so may be fix could be back ported to Ardour if possible?

x42

2026-06-15 20:20

administrator   ~0030508

Already fixed in 9.7-55-g3bd7c884c1

x42

2026-06-15 20:22

administrator   ~0030509

> Got a messages from a Harrison developer that this now should be fixed in Mixbus, so may be fix could be back ported to Ardour if possible?

it is the other way around. Changes usually happen in Ardour first.

Issue History

Date Modified Username Field Change
2026-06-14 11:16 sthauge New Issue
2026-06-14 11:25 sthauge Note Added: 0030497
2026-06-15 09:47 gfontanilla Note Added: 0030502
2026-06-15 11:16 sthauge Note Added: 0030504
2026-06-15 11:16 sthauge File Added: ardour_crashed_and_gone.png
2026-06-15 11:16 sthauge File Added: ready_to_import_template.png
2026-06-15 11:16 sthauge File Added: saving_template.png
2026-06-15 11:16 sthauge File Added: setup9.7.0.png
2026-06-15 17:34 sthauge Note Added: 0030507
2026-06-15 20:20 x42 Note Added: 0030508
2026-06-15 20:21 x42 Assigned To => x42
2026-06-15 20:21 x42 Status new => resolved
2026-06-15 20:21 x42 Resolution open => fixed
2026-06-15 20:22 x42 Note Added: 0030509