The problem has returned and seems to occur once or twice a day.
However, was able to SSH into machine and run
apport-collect -l linux 368201
Although '-l linux' wasn't a recognised option so just ran it as
apport-collect 368201
Which gave the somewhat limited information, above.
Top produced:
top - 20:59:21 up 1 day, 1:53, 3 users, load average: 0.05, 0.11, 0.14
Tasks: 150 total, 1 running, 149 sleeping, 0 stopped, 0 zombie
Cpu(s): 9.7%us, 2.1%sy, 0.2%ni, 87.4%id, 0.5%wa, 0.1%hi, 0.0%si, 0.0%st
Mem: 1535508k total, 1091412k used, 444096k free, 99772k buffers
Swap: 2000052k total, 0k used, 2000052k free, 443688k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
24382 root 20 0 2444 1096 824 R 2 0.1 0:00.02 top
1 root 20 0 3084 1888 564 S 0 0.1 0:01.66 init
2 root 15 -5 0 0 0 S 0 0.0 0:00.00 kthreadd
3 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/0
4 root 15 -5 0 0 0 S 0 0.0 0:01.53 ksoftirqd/0
5 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/0
9 root 15 -5 0 0 0 S 0 0.0 0:00.78 events/0
11 root 15 -5 0 0 0 S 0 0.0 0:00.00 khelper
12 root RT -5 0 0 0 S 0 0.0 0:00.00 kstop/0
14 root 15 -5 0 0 0 S 0 0.0 0:00.00 kintegrityd/0
16 root 15 -5 0 0 0 S 0 0.0 0:00.00 kblockd/0
18 root 15 -5 0 0 0 S 0 0.0 0:01.46 kacpid
19 root 15 -5 0 0 0 S 0 0.0 0:00.76 kacpi_notify
20 root 15 -5 0 0 0 S 0 0.0 0:00.00 cqueue
21 root 15 -5 0 0 0 S 0 0.0 0:00.00 ata/0
23 root 15 -5 0 0 0 S 0 0.0 0:00.00 ata_aux
24 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksuspend_usbd
25 root 15 -5 0 0 0 S 0 0.0 0:00.00 khubd
26 root 15 -5 0 0 0 S 0 0.0 0:00.07 kseriod
27 root 15 -5 0 0 0 S 0 0.0 0:00.03 kmmcd
28 root 15 -5 0 0 0 S 0 0.0 0:00.00 btaddconn
29 root 15 -5 0 0 0 S 0 0.0 0:00.00 btdelconn
30 root 20 0 0 0 0 S 0 0.0 0:00.02 pdflush
31 root 20 0 0 0 0 S 0 0.0 0:07.75 pdflush
32 root 15 -5 0 0 0 S 0 0.0 0:00.00 kswapd0
33 root 15 -5 0 0 0 S 0 0.0 0:00.00 aio/0
35 root 15 -5 0 0 0 S 0 0.0 0:00.00 ecryptfs-kthrea
38 root 15 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_0
39 root 15 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_1
40 root 15 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_2
41 root 15 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_3
42 root 15 -5 0 0 0 S 0 0.0 0:00.00 kstriped
43 root 15 -5 0 0 0 S 0 0.0 0:00.00 kmpathd/0
45 root 15 -5 0 0 0 S 0 0.0 0:00.00 kmpath_handlerd
46 root 15 -5 0 0 0 S 0 0.0 0:00.00 ksnapd
47 root 15 -5 0 0 0 S 0 0.0 0:00.04 kondemand/0
49 root 10 -10 0 0 0 S 0 0.0 0:00.00 krfcommd
322 root 15 -5 0 0 0 S 0 0.0 0:00.00 khpsbpkt
436 root 15 -5 0 0 0 S 0 0.0 0:00.00 knodemgrd_0
487 root 15 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_4
501 root 15 -5 0 0 0 S 0 0.0 0:01.59 usb-storage
726 root 15 -5 0 0 0 S 0 0.0 0:00.23 kjournald
861 root 16 -4 2224 584 316 S 0 0.0 0:01.34 udevd
1494 root 24 4 0 0 0 S 0 0.0 0:03.69 ktoshkeyd
1520 root 15 -5 0 0 0 S 0 0.0 0:00.00 pccardd
1569 root 15 -5 0 0 0 S 0 0.0 0:00.00 kpsmoused
1624 root 15 -5 0 0 0 S 0 0.0 0:03.08 iwlagn/0
1626 root 15 -5 0 0 0 S 0 0.0 0:03.44 iwlagn
1948 root 15 -5 0 0 0 S 0 0.0 0:00.60 kjournald
2200 root 20 0 1808 528 460 S 0 0.0 0:00.00 getty
2201 root 20 0 1808 524 460 S 0 0.0 0:00.00 getty
2208 root 20 0 1808 524 460 S 0 0.0 0:00.00 getty
2209 root 20 0 1808 532 460 S 0 0.0 0:00.00 getty
2210 root 20 0 1808 528 460 S 0 0.0 0:00.00 getty
2271 root 20 0 2732 1568 556 S 0 0.1 0:00.96 acpid
2316 syslog 20 0 2040 696 540 S 0 0.0 0:00.25 syslogd
2339 root 20 0 1968 536 440 S 0 0.0 0:00.24 dd
2341 klog 20 0 3868 2632 444 S 0 0.2 0:00.22 klogd
2364 messageb 20 0 3108 1412 832 S 0 0.1 0:12.23 dbus-daemon
2388 root 20 0 5436 1072 680 S 0 0.1 0:00.00 sshd
2416 postgres 20 0 42200 5232 4496 S 0 0.3 0:01.02 postgres
2427 postgres 20 0 42200 1512 764 S 0 0.1 0:03.40 postgres
2428 postgres 20 0 42200 1320 572 S 0 0.1 0:02.46 postgres
2429 postgres 20 0 42200 1508 692 S 0 0.1 0:00.56 postgres
2430 postgres 20 0 13520 1264 480 S 0 0.1 0:00.39 postgres
2497 haldaemo 20 0 6656 4700 3912 S 0 0.3 0:08.16 hald
2500 root 20 0 17380 2696 1792 S 0 0.2 0:00.71 console-kit-dae
2563 root 20 0 3328 1156 928 S 0 0.1 0:00.17 hald-runner
2593 root 20 0 5176 1804 1584 S 0 0.1 0:01.48 hald-addon-inpu
2603 root 20 0 5304 2052 1648 S 0 0.1 0:02.27 hald-addon-rfki
2620 root 20 0 5172 1756 1556 S 0 0.1 0:00.00 hald-addon-gene
2628 root 20 0 5172 1808 1604 S 0 0.1 0:00.00 hald-addon-gene
2649 root 20 0 5180 1916 1700 S 0 0.1 0:04.09 hald-addon-stor
2654 root 15 -5 0 0 0 S 0 0.0 1:38.98 ipolldevd
2659 root 20 0 5188 1780 1572 S 0 0.1 0:00.00 hald-addon-cpuf
2666 haldaemo 20 0 5032 1808 1584 S 0 0.1 0:00.27 hald-addon-acpi
2674 root 20 0 3556 1732 1480 S 0 0.1 0:00.01 bluetoothd
2710 root 20 0 15064 1776 1024 S 0 0.1 0:00.01 gdm
2713 root 20 0 15632 3360 2396 S 0 0.2 0:00.10 gdm
2717 root 20 0 394m 62m 12m S 0 4.2 21:04.98 Xorg
2741 root 20 0 16556 2932 2320 S 0 0.2 0:07.01 NetworkManager
2759 root 20 0 4276 1964 1644 S 0 0.1 0:00.46 wpa_supplicant
2761 root 20 0 7048 3124 2592 S 0 0.2 0:00.16 nm-system-setti
2765 avahi 20 0 3060 1584 1312 S 0 0.1 0:00.52 avahi-daemon
2767 avahi 20 0 2944 508 300 S 0 0.0 0:00.00 avahi-daemon
2794 root 20 0 6240 2680 1984 S 0 0.2 0:00.02 cupsd
2822 root 20 0 4324 1156 932 S 0 0.1 0:00.00 system-tools-ba
2896 daemon 20 0 2096 456 324 S 0 0.0 0:00.00 atd
2924 root 20 0 3480 1032 824 S 0 0.1 0:00.03 cron
3027 root 20 0 1808 528 460 S 0 0.0 0:00.06 getty
3074 stduser 20 0 25684 3156 2556 S 0 0.2 0:00.14 gnome-keyring-d
3086 stduser 20 0 26476 7172 5648 S 0 0.5 0:00.46 x-session-manag
3142 stduser 20 0 4784 604 288 S 0 0.0 0:00.06 ssh-agent
3145 stduser 20 0 3144 696 456 S 0 0.0 0:00.00 dbus-launch
3146 stduser 20 0 3064 1252 604 S 0 0.1 0:00.47 dbus-daemon
3151 stduser 20 0 94664 5396 4072 S 0 0.4 0:22.31 pulseaudio
3152 stduser 20 0 7844 2636 2120 S 0 0.2 0:00.00 gconf-helper
3154 stduser 20 0 7760 4632 2188 S 0 0.3 0:01.74 gconfd-2
3167 stduser 20 0 19108 6104 4428 S 0 0.4 0:00.09 seahorse-agent
3170 stduser 20 0 5756 2256 1808 S 0 0.1 0:00.08 gvfsd
3176 stduser 20 0 29584 2372 1900 S 0 0.2 0:00.00 gvfs-fuse-daemo
3183 stduser 20 0 44784 12m 8968 S 0 0.8 0:04.99 gnome-settings-
3191 stduser 20 0 1872 564 468 S 0 0.0 0:00.01 compiz
3256 stduser 20 0 30300 21m 6844 S 0 1.4 1:35.56 compiz.real
3257 stduser 20 0 40528 20m 13m S 0 1.4 1:05.10 gnome-panel
3258 stduser 20 0 111m 24m 15m S 0 1.6 0:16.49 nautilus
3260 stduser 20 0 41860 3524 2688 S 0 0.2 0:00.15 bonobo-activati
3262 stduser 20 0 28368 9444 7164 S 0 0.6 0:04.16 tilda
3265 stduser 20 0 27872 13m 8120 S 0 0.9 0:00.30 python
3268 stduser 20 0 30140 13m 10m S 0 0.9 0:01.41 update-notifier
3269 stduser 20 0 31184 14m 10m S 0 1.0 0:05.45 nm-applet
3271 stduser 20 0 22636 9100 6928 S 0 0.6 0:00.29 bluetooth-apple
3275 stduser 20 0 74480 13m 9808 S 0 0.9 0:03.88 gnome-power-man
3281 stduser 20 0 5952 2816 2344 S 0 0.2 0:00.12 gvfsd-trash
3282 stduser 20 0 2036 704 580 S 0 0.0 0:00.00 gnome-pty-helpe
3283 stduser 20 0 5876 3128 1452 S 0 0.2 0:00.16 bash
3286 stduser 20 0 25272 11m 8176 S 0 0.8 0:04.04 notify-osd
3288 stduser 20 0 33624 4028 3160 S 0 0.3 0:00.67 gvfs-hal-volume
3292 stduser 20 0 8376 3184 2352 S 0 0.2 0:00.21 gvfs-gphoto2-vo
3311 stduser 20 0 162m 40m 19m S 0 2.7 0:04.87 dropbox
3383 stduser 20 0 5628 2244 1936 S 0 0.1 0:00.00 gvfsd-burn
3431 stduser 20 0 47040 14m 10m S 0 1.0 0:00.24 mixer_applet2
3433 stduser 20 0 26148 9.8m 7648 S 0 0.7 0:00.16 trashapplet
3436 stduser 20 0 22628 9256 7432 S 0 0.6 0:00.56 indicator-apple
3445 stduser 20 0 1872 496 432 S 0 0.0 0:00.00 sh
3446 stduser 20 0 1872 528 448 S 0 0.0 0:00.00 compiz-decorato
3448 stduser 20 0 20260 10m 7600 S 0 0.7 0:07.73 gtk-window-deco
3574 stduser 20 0 17800 7028 5372 S 0 0.5 0:25.00 gnome-screensav
3577 stduser 20 0 487m 272m 29m S 0 18.2 60:53.70 firefox
14726 stduser 20 0 113m 32m 21m S 0 2.2 0:03.88 epiphany-browse
20933 root RT -5 0 0 0 S 0 0.0 0:00.00 migration/1
20934 root 15 -5 0 0 0 S 0 0.0 0:00.06 ksoftirqd/1
20935 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/1
20936 root 15 -5 0 0 0 S 0 0.0 0:00.00 iwlagn/1
20937 root 15 -5 0 0 0 S 0 0.0 0:00.00 kondemand/1
20938 root 15 -5 0 0 0 S 0 0.0 0:00.00 kmpathd/1
20939 root 15 -5 0 0 0 S 0 0.0 0:00.00 aio/1
20940 root 15 -5 0 0 0 S 0 0.0 0:00.00 ata/1
20941 root 15 -5 0 0 0 S 0 0.0 0:00.00 kblockd/1
20942 root 15 -5 0 0 0 S 0 0.0 0:00.00 kintegrityd/1
20943 root RT -5 0 0 0 S 0 0.0 0:00.00 kstop/1
20944 root 15 -5 0 0 0 S 0 0.0 0:00.02 events/1
20945 root 15 -5 0 0 0 S 0 0.0 0:00.02 mmcqd
21454 root 20 0 2276 984 856 S 0 0.1 0:00.00 dhclient
24190 root 20 0 1804 648 548 S 0 0.0 0:00.00 anacron
24275 root 20 0 8724 3080 2396 S 0 0.2 0:00.30 sshd
24292 stduser 20 0 8724 1688 1000 S 0 0.1 0:00.00 sshd
24293 stduser 20 0 5824 3076 1452 S 0 0.2 0:00.23 bash
24311 root 20 0 4132 1528 1216 S 0 0.1 0:00.26 su
24326 root 20 0 4320 1836 1432 S 0 0.1 0:00.00 bash
** Attachment added: "top.out"
http://launchpadlibrarian.net/27215631/top.out
--
gnome (or firefox) 99%hangs system
https://bugs.launchpad.net/bugs/368201
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