Thank you for taking the time to report this bug and helping to make
Ubuntu better. It sounds like some part of the system has crashed. To
help us find the cause of the crash please follow these steps:

1. Look in /var/crash for crash files and if found run:
    ubuntu-bug YOURFILE.crash
Then tell us the ID of the newly-created bug.

2. If step 1 failed then look at https://errors.ubuntu.com/user/ID where
ID is the content of file /var/lib/whoopsie/whoopsie-id on the machine.
Do you find any links to recent problems on that page? If so then please
send the links to us.

3. If step 2 also failed then apply the workaround from bug 994921,
reboot, reproduce the crash, and retry step 1.

Please take care to avoid attaching .crash files to bugs as we are
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risk for yourself.


** Package changed: pulseaudio (Ubuntu) => ubuntu

** Changed in: ubuntu
       Status: New => Incomplete

-- 
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https://bugs.launchpad.net/bugs/1789778

Title:
  system crash due to snd_hda_intel

Status in Ubuntu:
  Incomplete

Bug description:
  After recent updates my system can suddenly crash. 
  It starts with laggy sound until it completely freezes after which I need to 
do hard reset.

  Crash will happen only while playing Dota 2 (steam) - for now.

  # journalctl -b-1
  ..
  Aug 29 18:56:19 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
snd_pcm_avail() returned a value that is exceptionally large: 500416 bytes 
(2836 ms).
  Aug 29 18:56:19 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report 
this issue to the ALSA developers.
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
snd_pcm_dump():
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
Soft volume PCM
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
Control: PCM Playback Volume
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
min_dB: -51
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
max_dB: 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
resolution: 256
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
Its setup is:
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  stream       : PLAYBACK
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  access       : MMAP_INTERLEAVED
  Aug 29 18:56:22 T460 /usr/lib/gdm3/gdm-x-session[1491]: (EE) client bug: 
timer event6 debounce: offset negative (-8ms)
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  format       : S16_LE
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  subformat    : STD
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  channels     : 2
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  rate         : 44100
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  exact rate   : 44100 (44100/1)
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  msbits       : 16
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  buffer_size  : 16384
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_size  : 8192
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_time  : 185759
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  tstamp_mode  : ENABLE
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  tstamp_type  : MONOTONIC
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_step  : 1
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  avail_min    : 14778
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_event : 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  start_threshold  : -1
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  stop_threshold   : 4611686018427387904
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  silence_threshold: 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  silence_size : 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  boundary     : 4611686018427387904
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
Slave: Hardware PCM card 0 'HDA Intel PCH' device 0 subdevice 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
Its setup is:
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  stream       : PLAYBACK
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  access       : MMAP_INTERLEAVED
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  format       : S16_LE
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  subformat    : STD
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  channels     : 2
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  rate         : 44100
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  exact rate   : 44100 (44100/1)
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  msbits       : 16
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  buffer_size  : 16384
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_size  : 8192
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_time  : 185759
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  tstamp_mode  : ENABLE
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  tstamp_type  : MONOTONIC
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_step  : 1
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  avail_min    : 14778
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_event : 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  start_threshold  : -1
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  stop_threshold   : 4611686018427387904
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  silence_threshold: 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  silence_size : 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  boundary     : 4611686018427387904
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  appl_ptr     : 34063056
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  hw_ptr       : 34171776
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
snd_pcm_delay() returned a value that is exceptionally large: -843916 bytes 
(-4784 ms).
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report 
this issue to the ALSA developers.
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
snd_pcm_dump():
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
Soft volume PCM
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
Control: PCM Playback Volume
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
min_dB: -51
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
max_dB: 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
resolution: 256
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
Its setup is:
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  stream       : PLAYBACK
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  access       : MMAP_INTERLEAVED
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  format       : S16_LE
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  subformat    : STD
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  channels     : 2
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  rate         : 44100
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  exact rate   : 44100 (44100/1)
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  msbits       : 16
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  buffer_size  : 16384
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_size  : 8192
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_time  : 185759
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  tstamp_mode  : ENABLE
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  tstamp_type  : MONOTONIC
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_step  : 1
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  avail_min    : 14778
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_event : 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  start_threshold  : -1
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  stop_threshold   : 4611686018427387904
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  silence_threshold: 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  silence_size : 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  boundary     : 4611686018427387904
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
Slave: Hardware PCM card 0 'HDA Intel PCH' device 0 subdevice 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
Its setup is:
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  stream       : PLAYBACK
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  access       : MMAP_INTERLEAVED
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  format       : S16_LE
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  subformat    : STD
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  channels     : 2
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  rate         : 44100
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  exact rate   : 44100 (44100/1)
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  msbits       : 16
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  buffer_size  : 16384
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_size  : 8192
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_time  : 185759
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  tstamp_mode  : ENABLE
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  tstamp_type  : MONOTONIC
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_step  : 1
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  avail_min    : 14778
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  period_event : 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  start_threshold  : -1
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  stop_threshold   : 4611686018427387904
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  silence_threshold: 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  silence_size : 0
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  boundary     : 4611686018427387904
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  appl_ptr     : 34081488
  Aug 29 18:56:20 T460 pulseaudio[1662]: [alsa-sink-ALC293 Analog] alsa-util.c: 
  hw_ptr       : 34292504

  attached dmesg and journalctl --no-pager outputs.

  Please let me know if you need any other logs.

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