Ubuntu
kazam package

  1. Bug #1038282
  2. Comment #2

Comment 2 for bug 1038282

Revision history for this message
Bugsbane (bugsbane) wrote : Re: Kazam crashes silently while recording ( mmap() failed: Cannot allocate memory )

I ran about 10 more experiments using different options and noticed one interesting thing.

I found that I only seem to get the crash if I have the internal audio monitor selected as an audio source. Internal audio (but not the monitor) didn't crash in recordings over 20 minutes (normally it crashes within seconds). As such, this is very well likely a duplicate of:
https://bugs.launchpad.net/ubuntu/+source/kazam/+bug/1037538
https://bugs.launchpad.net/ubuntu/+source/kazam/+bug/1011918

(although unlike the first bug there, my interface doesn't just "stop", it crashes and disappears altogether)

I also ran Kazam with --debug. It didn't give much more enlightening information, but for the record, output was:

DEBUG Kazam - Starting ...
DEBUG Main - Setting variables.
DEBUG PulseAudio - PA - Starting mainloop.
DEBUG PulseAudio - PA - Getting API.
DEBUG PulseAudio - PA - Setting context.
DEBUG PulseAudio - PA - Set state callback.
DEBUG PulseAudio - PA - Connecting to server.
DEBUG PulseAudio - PA - Start mainloop.
DEBUG PulseAudio - PA - Connected.
DEBUG Main - Connecting indicator signals.
DEBUG Main - Main Window UI setup.
DEBUG Main - Getting Audio sources.
DEBUG PulseAudio - PA - get_audio_sources() called.
DEBUG PulseAudio - PA - pa_sourcelist_cb()
DEBUG PulseAudio - - IDX: 0
DEBUG PulseAudio - - Name: alsa_output.pci-0000_01_00.1.hdmi-stereo.monitor
DEBUG PulseAudio - - Desc: Monitor of GF110 High Definition Audio Controller Digital Stereo (HDMI)
DEBUG PulseAudio - PA - pa_sourcelist_cb()
DEBUG PulseAudio - - IDX: 1
DEBUG PulseAudio - - Name: alsa_input.usb-046d_HD_Webcam_C525_ABD5D0D0-00-C525.analog-mono
DEBUG PulseAudio - - Desc: HD Webcam C525 Analog Mono
DEBUG PulseAudio - PA - pa_sourcelist_cb()
DEBUG PulseAudio - - IDX: 2
DEBUG PulseAudio - - Name: alsa_output.pci-0000_00_14.2.analog-stereo.monitor
DEBUG PulseAudio - - Desc: Monitor of Built-in Audio Analog Stereo
DEBUG PulseAudio - PA - pa_sourcelist_cb()
DEBUG PulseAudio - - IDX: 3
DEBUG PulseAudio - - Name: alsa_input.pci-0000_00_14.2.analog-stereo
DEBUG PulseAudio - - Desc: Built-in Audio Analog Stereo
DEBUG PulseAudio - PA - pa_sourcelist_cb() -- finished
DEBUG Main - Device found:
DEBUG Main - - 0
DEBUG Main - - alsa_output.pci-0000_01_00.1.hdmi-stereo.monitor
DEBUG Main - - Monitor of GF110 High Definition Audio Controller Digital Stereo (HDMI)
DEBUG Main - Device found:
DEBUG Main - - 1
DEBUG Main - - alsa_input.usb-046d_HD_Webcam_C525_ABD5D0D0-00-C525.analog-mono
DEBUG Main - - HD Webcam C525 Analog Mono
DEBUG Main - Device found:
DEBUG Main - - 2
DEBUG Main - - alsa_output.pci-0000_00_14.2.analog-stereo.monitor
DEBUG Main - - Monitor of Built-in Audio Analog Stereo
DEBUG Main - Device found:
DEBUG Main - - 3
DEBUG Main - - alsa_input.pci-0000_00_14.2.analog-stereo
DEBUG Main - - Built-in Audio Analog Stereo
DEBUG Main - Getting Video sources.
DEBUG Main - Found 1 monitors.
DEBUG Main - Monitor 0 - X: 0, Y: 0, W: 1920, H: 1080
DEBUG Main - Video Toggled.
DEBUG Main - Audio1 Toggled.
DEBUG Main - Restoring state - sources: V (0), A_1 (0), A_2 (-1)
DEBUG Main - Video changed.
DEBUG Main - New Video: {'y': 0, 'x': 0, 'height': 1080, 'width': 1920}
DEBUG Main - Audio Changed.
DEBUG Main - - A_1 0
DEBUG Main - - A_2 -1
DEBUG Main - - PA Audio1 IDX: 0
DEBUG Main - - PA Audio2 IDX: 3
DEBUG PulseAudio - PA - get_source_info_by_index() called. IDX: 0
DEBUG PulseAudio - PA - pa_sourceinfo_cb()
DEBUG PulseAudio - - IDX: 0
DEBUG PulseAudio - - Name: alsa_output.pci-0000_01_00.1.hdmi-stereo.monitor
DEBUG PulseAudio - - Desc: Monitor of GF110 High Definition Audio Controller Digital Stereo (HDMI)
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- Hit EOL
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- EOL no data!
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG PulseAudio - PA - get_source_info_by_index() called. IDX: 3
DEBUG PulseAudio - PA - pa_sourceinfo_cb()
DEBUG PulseAudio - - IDX: 3
DEBUG PulseAudio - - Name: alsa_input.pci-0000_00_14.2.analog-stereo
DEBUG PulseAudio - - Desc: Built-in Audio Analog Stereo
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- Hit EOL
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- EOL no data!
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG Main - New Audio1:
  Monitor of GF110 High Definition Audio Controller Digital Stereo (HDMI)
DEBUG Main - New Audio2:
  Built-in Audio Analog Stereo
DEBUG Main - Getting volume info.
DEBUG PulseAudio - PA - get_source_info_by_index() called. IDX: 0
DEBUG PulseAudio - PA - pa_sourceinfo_cb()
DEBUG PulseAudio - - IDX: 0
DEBUG PulseAudio - - Name: alsa_output.pci-0000_01_00.1.hdmi-stereo.monitor
DEBUG PulseAudio - - Desc: Monitor of GF110 High Definition Audio Controller Digital Stereo (HDMI)
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- Hit EOL
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- EOL no data!
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG PulseAudio - PA - get_source_info_by_index() called. IDX: 3
DEBUG PulseAudio - PA - pa_sourceinfo_cb()
DEBUG PulseAudio - - IDX: 3
DEBUG PulseAudio - - Name: alsa_input.pci-0000_00_14.2.analog-stereo
DEBUG PulseAudio - - Desc: Built-in Audio Analog Stereo
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- Hit EOL
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- EOL no data!
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG Main - Restoring state - volume: A_1 (60.0), A_2 (26.3593832838)
DEBUG Main - Volume 1 changed, new value: 60.0
DEBUG Main - Volume 2 changed, new value: 26.3593832838
DEBUG Main - Codec changed.
DEBUG Main - Cursor capturing ON.
DEBUG Main - Audio Changed.
DEBUG Main - - A_1 1
DEBUG Main - - A_2 -1
DEBUG Main - - PA Audio1 IDX: 1
DEBUG Main - - PA Audio2 IDX: 3
DEBUG PulseAudio - PA - get_source_info_by_index() called. IDX: 1
DEBUG PulseAudio - PA - pa_sourceinfo_cb()
DEBUG PulseAudio - - IDX: 1
DEBUG PulseAudio - - Name: alsa_input.usb-046d_HD_Webcam_C525_ABD5D0D0-00-C525.analog-mono
DEBUG PulseAudio - - Desc: HD Webcam C525 Analog Mono
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- Hit EOL
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- EOL no data!
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG PulseAudio - PA - get_source_info_by_index() called. IDX: 3
DEBUG PulseAudio - PA - pa_sourceinfo_cb()
DEBUG PulseAudio - - IDX: 3
DEBUG PulseAudio - - Name: alsa_input.pci-0000_00_14.2.analog-stereo
DEBUG PulseAudio - - Desc: Built-in Audio Analog Stereo
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- Hit EOL
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- EOL no data!
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG Main - New Audio1:
  HD Webcam C525 Analog Mono
DEBUG Main - New Audio2:
  Built-in Audio Analog Stereo
DEBUG Main - Audio2 Toggled.
DEBUG Main - Audio Changed.
DEBUG Main - - A_1 1
DEBUG Main - - A_2 2
DEBUG Main - - PA Audio1 IDX: 1
DEBUG Main - - PA Audio2 IDX: 2
DEBUG PulseAudio - PA - get_source_info_by_index() called. IDX: 1
DEBUG PulseAudio - PA - pa_sourceinfo_cb()
DEBUG PulseAudio - - IDX: 1
DEBUG PulseAudio - - Name: alsa_input.usb-046d_HD_Webcam_C525_ABD5D0D0-00-C525.analog-mono
DEBUG PulseAudio - - Desc: HD Webcam C525 Analog Mono
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- Hit EOL
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- EOL no data!
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG PulseAudio - PA - get_source_info_by_index() called. IDX: 2
DEBUG PulseAudio - PA - pa_sourceinfo_cb()
DEBUG PulseAudio - - IDX: 2
DEBUG PulseAudio - - Name: alsa_output.pci-0000_00_14.2.analog-stereo.monitor
DEBUG PulseAudio - - Desc: Monitor of Built-in Audio Analog Stereo
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- Hit EOL
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- EOL no data!
DEBUG PulseAudio - PA - pa_sourceinfo_cb() -- finished
DEBUG Main - New Audio1:
  HD Webcam C525 Analog Mono
DEBUG Main - New Audio2:
  Monitor of Built-in Audio Analog Stereo
DEBUG Main - Record clicked, invoking Screencast.
/usr/lib/python2.7/dist-packages/gobject/constants.py:24: Warning: g_boxed_type_register_static: assertion `g_type_from_name (name) == 0' failed
  import gobject._gobject
DEBUG GStreamer - Capture Cursor: True
DEBUG GStreamer - Framerate : True
DEBUG GStreamer - Coordinates: 0 0 1919 1079
DEBUG GStreamer - Codec: H264/MP4
/usr/lib/python2.7/dist-packages/kazam/backend/gstreamer.py:156: Warning: value "7" of type `guint' is invalid or out of range for property `threads' of type `guint'
  self.videnc.set_property("threads", self.cores)
DEBUG GStreamer - Audio1 Source:
  alsa_input.usb-046d_HD_Webcam_C525_ABD5D0D0-00-C525.analog-mono
DEBUG GStreamer - Audio2 Source:
  alsa_output.pci-0000_00_14.2.analog-stereo.monitor
DEBUG GStreamer - Filesink: /tmp/kazam_6Nl3t4.movie
DEBUG GStreamer - Pipline - Video + Dual Audio
DEBUG Main - Hiding main window.
DEBUG Main - Start request.
INFO Indicator - Recording started.
DEBUG GStreamer - Generating dot file.
DEBUG GStreamer - Setting STATE_PLAYING
mmap() failed: Cannot allocate memory
Assertion 'b' failed at pulsecore/memblock.c:454, function pa_memblock_acquire(). Aborting.
Aborted (core dumped)