This is a known issue with the Calf plugins at the time of this bug
report. Since then, the issue has been resolved in newer versions of
Calf plugins. However, the Ardour developers have stated that the cannot
and will not support Calf plugins, and the calf-ladspa plugins (which
were never to be released for anything except lmms) have been known to
crash Ardour. Again, these situations have been resolved.
** Information type changed from Private to Public
** Package changed: ardour (Ubuntu) => calf (Ubuntu)
** Changed in: calf (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1759441
Title:
ardour-5.12.0 crashed with SIGSEGV in dsp::zero<float>()
Status in calf package in Ubuntu:
Fix Released
Bug description:
ardour always crash with calf studio
ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: ardour 1:5.12.0-3
ProcVersionSignature: Ubuntu 4.15.0-12.13-lowlatency 4.15.7
Uname: Linux 4.15.0-12-lowlatency x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu1
Architecture: amd64
CurrentDesktop: XFCE
Date: Tue Mar 27 22:14:19 2018
ExecutablePath: /usr/lib/ardour5/ardour-5.12.0
InstallationDate: Installed on 2018-03-17 (11 days ago)
InstallationMedia: Ubuntu-Studio 18.04 LTS "Bionic Beaver" - Alpha amd64
(20180315)
JournalErrors:
-- Logs begin at Fri 2018-03-16 21:59:16 -03, end at Tue 2018-03-27 22:14:19
-03. --
mar 27 21:24:10 hostname kernel: Couldn't get size: 0x800000000000000e
mar 27 21:24:39 hostname spice-vdagent[1145]: Cannot access vdagent virtio
channel /dev/virtio-ports/com.redhat.spice.0
mar 27 21:24:41 hostname pulseaudio[1242]: [pulseaudio] pid.c: Daemon
already running.
mar 27 21:24:41 hostname pulseaudio[1203]: [pulseaudio] backend-ofono.c:
Failed to register as a handsfree audio agent with ofono:
org.freedesktop.DBus.Error.ServiceUnknown: The name org.ofono was not provided
by any .service files
ProcCmdline: /usr/lib/ardour5/ardour-5.12.0
SegvAnalysis:
Segfault happened at: 0x7f3a0dc12964
<_ZN12calf_plugins12audio_moduleINS_16limiter_metadataEE13process_sliceEjj+148>:
movss %xmm1,-0x4(%rdx)
PC (0x7f3a0dc12964) ok
source "%xmm1" ok
destination "-0x4(%rdx)" (0x350cd88e0) not located in a known VMA region
(needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: ardour
StacktraceTop:
calf_plugins::audio_module<calf_plugins::limiter_metadata>::process_slice(unsigned
int, unsigned int) () from /usr/lib/ladspa/calf.so
calf_plugins::lv2_wrapper<calf_plugins::limiter_audio_module>::cb_instantiate(_LV2_Descriptor
const*, double, char const*, _LV2_Feature const* const*) () from
/usr/lib/lv2/calf.lv2/calf.so
lilv_plugin_instantiate () from /usr/lib/liblilv-0.so.0
ARDOUR::LV2Plugin::init(void const*, long) () from
/usr/lib/ardour5/libardour.so.3
ARDOUR::LV2Plugin::LV2Plugin(ARDOUR::AudioEngine&, ARDOUR::Session&, void
const*, long) () from /usr/lib/ardour5/libardour.so.3
Title: ardour-5.12.0 crashed with SIGSEGV in
calf_plugins::audio_module<calf_plugins::limiter_metadata>::process_slice()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm audio cdrom dip lpadmin plugdev sambashare sudo
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