System ground down to a halt
MR ZenWiz
mrzenwiz at gmail.com
Thu May 19 00:54:04 UTC 2016
I run Xubuntu 14.04 LTS with the Wily kernel (4.2.0-36 #42). I had a
fair variety of programs running: several terminal windows, a Chrome
window, a couple of Seamonkey windows, a VirtualBox Windows 7 VM. In
one of the terminals, I was running avconv to convert an m3u8 file
into an mp4 - that was the one oddball I've never tried before.
The system slowed down to a crawl and finally stopped dead. While it
was slowing down, I tried to kill the seamonkey windows, during which
it seemed to have hung - all response disappeared and nothing was
going except the disks were thrashing.
The last few lines in the syslog before the reboot were these:
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: tstamp_mode : ENABLE
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: period_step : 1
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: avail_min : 15944
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: period_event : 0
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: start_threshold : -1
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: stop_threshold : 4611686018427387904
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: silence_threshold: 0
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: silence_size : 0
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: boundary : 4611686018427387904
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: Slave: Hardware PCM card 1 'HDA Intel PCH' device 0
subdevice 0
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: Its setup is:
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: stream : PLAYBACK
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: access : MMAP_INTERLEAVED
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: format : S16_LE
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: subformat : STD
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: channels : 2
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: rate : 44100
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: exact rate : 44100 (44100/1)
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: msbits : 16
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: buffer_size : 16384
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: period_size : 8192
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: period_time : 185759
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: tstamp_mode : ENABLE
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: period_step : 1
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: avail_min : 15944
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: period_event : 0
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: start_threshold : -1
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: stop_threshold : 4611686018427387904
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: silence_threshold: 0
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: silence_size : 0
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: boundary : 4611686018427387904
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: appl_ptr : 32570866
May 18 16:46:02 marbase pulseaudio[2229]: [alsa-sink-ALC892 Analog]
alsa-util.c: hw_ptr : 32777200
May 18 16:47:38 marbase wpa_supplicant[1404]: wlan2: CTRL-EVENT-SCAN-STARTED
May 18 16:50:41 marbase NetworkManager[1308]: <warn> nl_recvmsgs()
error: (-33) Dump inconsistency detected, interrupted
I'm not sure what I should be looking for, or where. Any clues would
be appreciated.
Thanks.
MR
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