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| Reporter | ttshaw1 | Assigned To | | |
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| Priority | normal | Severity | crash | Reproducibility | always |
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| Status | new | Resolution | open | |
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| Platform | Arch | OS | Linux | OS Version | (any) |
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| Product Version | 8.12 | |
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| Summary | 0010052: Crash when recording too many channels at once |
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| Description | In the project I'm working on right now, recording certain combinations of channels crashes Ardour with the message "CRITICAL: Events POOL OUT OF MEMORY - RECOMPILE WITH LARGER SIZE!!" The console output is
```
Ardour8.12.0 (built using 8.12 and GCC version 15.2.1 20250813)
Ardour: [INFO]: Your system is configured to limit Ardour to 524288 open files
Ardour: [INFO]: Loading system configuration file /etc/ardour8/system_config
Ardour: [INFO]: Loading user configuration file /home/theo/.config/ardour8/config
Ardour: [INFO]: CPU vendor: AuthenticAMD
Ardour: [INFO]: AVX capable processor
Ardour: [INFO]: AVX with FMA capable processor
Ardour: [INFO]: CPU brand: AMD Ryzen 5 2600 Six-Core Processor
Ardour: [INFO]: Using AVX and FMA optimized routines
Ardour: [INFO]: Loading plugin meta data file /usr/share/ardour8/plugin_metadata/plugin_tags
Ardour: [INFO]: Loading plugin statistics file /home/theo/.config/ardour8/plugin_metadata/plugin_stats
Ardour: [INFO]: add_lrdf_data '/home/theo/.config/ardour8/rdf:/usr/share/ardour8/rdf:/usr/local/share/ladspa/rdf:/usr/share/ladspa/rdf'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/ladspa.rdfs'
Ardour: [INFO]: read rdf_file 'file:///usr/share/ladspa/rdf/ladspa-rubberband.rdf'
Ardour: [INFO]: Loading default ui configuration file /etc/ardour8/default_ui_config
Ardour: [INFO]: Loading user ui configuration file /home/theo/.config/ardour8/ui_config
Ardour: [INFO]: Loading 461 MIDI patches from /usr/share/ardour8/patchfiles
Ardour: [INFO]: Loading color file /usr/share/ardour8/themes/dark-ardour.colors
Ardour: [INFO]: Loading ui configuration file /etc/ardour8/clearlooks.rc
Ardour: [INFO]: Loading bindings from /etc/ardour8/ardour.keys
Loading ui configuration file /etc/ardour8/clearlooks.rc
Found nothing along /home/theo/.config/ardour8/templates:/usr/share/ardour8/templates
-- Stacktrace Thread: AudioEngine 1
PBD::stacktrace(std::ostream&, int, unsigned long)
PBD::Pool::alloc()
ARDOUR::Session::plan_master_strategy_engine(unsigned int, double, long, double)
ARDOUR::AudioEngine::process_callback(unsigned int)
ARDOUR::JACKAudioBackend::process_thread()
/usr/lib/spa-0.2/support/libspa-support.so(+0x6a96) [0x7fa44a935a96]
/usr/lib/libpipewire-0.3.so.0(+0x24e01) [0x7fa446962e01]
/usr/lib/libc.so.6(+0x9698b) [0x7fa448c9698b]
/usr/lib/libc.so.6(+0x11a9cc) [0x7fa448d1a9cc]
re-registration of JACK port named kwin_wayland:output_1-0
```
This is consistent and happens almost any time I have more than one channel recording, though certain combinations of two channels work. I haven't checked for a combination of three channels that works.
The full project has way over the filesize limit in recorded audio, so can't upload it here. I have a dummy project set up with the same channels and can't reproduce the crash there. |
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| Steps To Reproduce | Any recording with the wrong combination of channels, tested as short as 1 measure, will crash when I stop the play head. It seems like it's happening as the files are being written to the disk- the red recordings turn grey-red sequentially top to bottom, and the crash happens after a few of them. I have 14GB of drive space free, so that's not the problem. |
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| Tags | audio, multichannel, recording, recording crash |
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