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IDProjectCategoryView StatusLast Update
0010404ardourbugspublic2026-06-14 11:25
Reportersthauge Assigned To 
PrioritynormalSeveritycrashReproducibilityalways
Status newResolutionopen 
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.

Issue History

Date Modified Username Field Change
2026-06-14 11:16 sthauge New Issue
2026-06-14 11:25 sthauge Note Added: 0030497