It just (started) to happen again, I started 2 memory-demanding programs
(each using 2GiB memory approx.), I do however have 8GiB memory
installed.
The system froze for 2 Minutes (or so), no mouse cursor, sound stopped,
sporadic hard disk activity.
Afterwards (from top):
13546 tbfg 20 0 906m 10m 3184 R 79,5 0,1 1:24.37 gnome-settings-
15316 tbfg 20 0 405m 129m 844 R 27,9 1,6 0:23.68 dconf-service
gnome-settings-daemon and dconf-service started to use (combined) 100%
CPU usage and both started to eat up memory.
dmesg only shows:
[57726.545257] cherry 0003:046A:0023.0002: >control queue full
[57726.549750] cherry 0003:046A:0023.0002: >control queue full
[57726.557497] cherry 0003:046A:0023.0002: >control queue full
/var/log/syslog may have something:
Oct 22 14:03:12 tbfg-desktop rtkit-daemon[1789]: The canary thread is
apparently starving. Taking action.
Oct 22 14:03:12 tbfg-desktop rtkit-daemon[1789]: Demoting known real-time
threads.
Oct 22 14:03:12 tbfg-desktop rtkit-daemon[1789]: Successfully demoted thread
2171 of process 2169 (n/a).
Oct 22 14:03:12 tbfg-desktop rtkit-daemon[1789]: Successfully demoted thread
2170 of process 2169 (n/a).
Oct 22 14:03:12 tbfg-desktop rtkit-daemon[1789]: Successfully demoted thread
2169 of process 2169 (n/a).
Oct 22 14:03:12 tbfg-desktop rtkit-daemon[1789]: Demoted 3 threads.
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
snd_pcm_avail() returned a value that is exceptionally large: 406940 bytes
(2306 ms).
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: Most
likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this
issue to the ALSA developers.
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
snd_pcm_dump():
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: Soft
volume PCM
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
Control: PCM Playback Volume
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: min_dB:
-51
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: max_dB: 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
resolution: 256
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: Its
setup is:
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
stream : PLAYBACK
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
access : MMAP_INTERLEAVED
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
format : S16_LE
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
subformat : STD
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
channels : 2
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: rate
: 44100
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: exact
rate : 44100 (44100/1)
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
msbits : 16
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
buffer_size : 16384
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_size : 8192
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_time : 185759
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
tstamp_mode : ENABLE
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_step : 1
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
avail_min : 15944
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_event : 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
start_threshold : -1
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
stop_threshold : 4611686018427387904
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
silence_threshold: 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
silence_size : 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
boundary : 4611686018427387904
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: Slave:
Hardware PCM card 0 'HDA Intel PCH' device 0 subdevice 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: Its
setup is:
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
stream : PLAYBACK
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
access : MMAP_INTERLEAVED
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
format : S16_LE
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
subformat : STD
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
channels : 2
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: rate
: 44100
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: exact
rate : 44100 (44100/1)
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
msbits : 16
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
buffer_size : 16384
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_size : 8192
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_time : 185759
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
tstamp_mode : ENABLE
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_step : 1
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
avail_min : 15944
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_event : 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
start_threshold : -1
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
stop_threshold : 4611686018427387904
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
silence_threshold: 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
silence_size : 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
boundary : 4611686018427387904
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
appl_ptr : 703774793
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
hw_ptr : 703860144
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
snd_pcm_delay() returned a value that is exceptionally large: -50162108 bytes
(-284365 ms).
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: Most
likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this
issue to the ALSA developers.
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
snd_pcm_dump():
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: Soft
volume PCM
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
Control: PCM Playback Volume
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: min_dB:
-51
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: max_dB: 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
resolution: 256
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: Its
setup is:
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
stream : PLAYBACK
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
access : MMAP_INTERLEAVED
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
format : S16_LE
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
subformat : STD
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
channels : 2
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: rate
: 44100
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: exact
rate : 44100 (44100/1)
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
msbits : 16
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
buffer_size : 16384
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_size : 8192
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_time : 185759
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
tstamp_mode : ENABLE
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_step : 1
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
avail_min : 15944
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_event : 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
start_threshold : -1
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
stop_threshold : 4611686018427387904
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
silence_threshold: 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
silence_size : 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
boundary : 4611686018427387904
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: Slave:
Hardware PCM card 0 'HDA Intel PCH' device 0 subdevice 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: Its
setup is:
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
stream : PLAYBACK
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
access : MMAP_INTERLEAVED
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
format : S16_LE
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
subformat : STD
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
channels : 2
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: rate
: 44100
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c: exact
rate : 44100 (44100/1)
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
msbits : 16
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
buffer_size : 16384
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_size : 8192
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_time : 185759
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
tstamp_mode : ENABLE
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_step : 1
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
avail_min : 15944
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
period_event : 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
start_threshold : -1
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
stop_threshold : 4611686018427387904
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
silence_threshold: 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
silence_size : 0
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
boundary : 4611686018427387904
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
appl_ptr : 703806545
Oct 22 14:03:12 tbfg-desktop pulseaudio[2169]: [alsa-sink] alsa-util.c:
hw_ptr : 716347072
Oct 22 14:03:45 tbfg-desktop kernel: [57618.721067] cherry 0003:046A:0023.0002:
>control queue full
Oct 22 14:03:45 tbfg-desktop kernel: [57618.727033] cherry 0003:046A:0023.0002:
>control queue full
^^
many many lines of cherry control queue full ....
and eventually:
Oct 22 14:07:40 tbfg-desktop kernel: [57854.051541] MYPROGRAM[31087]: segfault
at 2ad9b9c7a018 ip 00000000004329a0 sp 00007fff5bd21f60 error 4 in
MYPROGRAM[400000+50000]
the system is then usable again
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https://bugs.launchpad.net/bugs/1069474
Title:
dconf-service ate all my memory
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