The zombie is pid 12989 ps -axl Warning: bad ps syntax, perhaps a bogus '-'? See http://procps.sf.net/faq.html F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND 4 0 1 0 20 0 3316 1944 poll_s Ss ? 0:01 /sbin/init 1 0 2 0 20 0 0 0 kthrea S ? 0:00 [kthreadd] 1 0 3 2 20 0 0 0 run_ks S ? 0:02 [ksoftirqd/0] 1 0 6 2 -100 - 0 0 cpu_st S ? 0:00 [migration/0] 1 0 7 2 -100 - 0 0 cpu_st S ? 0:00 [migration/1] 1 0 9 2 20 0 0 0 run_ks S ? 0:00 [ksoftirqd/1] 1 0 11 2 -100 - 0 0 cpu_st S ? 0:00 [migration/2] 1 0 13 2 20 0 0 0 run_ks S ? 0:02 [ksoftirqd/2] 1 0 14 2 -100 - 0 0 cpu_st S ? 0:00 [migration/3] 1 0 16 2 20 0 0 0 run_ks S ? 0:00 [ksoftirqd/3] 1 0 17 2 0 -20 0 0 rescue S< ? 0:00 [cpuset] 1 0 18 2 0 -20 0 0 rescue S< ? 0:00 [khelper] 1 0 19 2 0 -20 0 0 rescue S< ? 0:00 [netns] 1 0 21 2 20 0 0 0 bdi_sy S ? 0:00 [sync_supers] 1 0 22 2 20 0 0 0 bdi_fo S ? 0:00 [bdi-default] 1 0 23 2 0 -20 0 0 rescue S< ? 0:00 [kintegrityd] 1 0 24 2 0 -20 0 0 rescue S< ? 0:00 [kblockd] 1 0 25 2 0 -20 0 0 rescue S< ? 0:00 [ata_sff] 5 0 26 2 20 0 0 0 hub_th S ? 0:00 [khubd] 1 0 27 2 0 -20 0 0 rescue S< ? 0:00 [md] 1 0 29 2 20 0 0 0 watchd S ? 0:00 [khungtaskd] 1 0 30 2 20 0 0 0 kswapd S ? 0:15 [kswapd0] 1 0 31 2 25 5 0 0 ksm_sc SN ? 0:00 [ksmd] 1 0 32 2 39 19 0 0 khugep SN ? 0:00 [khugepaged] 1 0 33 2 20 0 0 0 fsnoti S ? 0:00 [fsnotify_mark] 1 0 34 2 20 0 0 0 ecrypt S ? 0:00 [ecryptfs-kthrea] 1 0 35 2 0 -20 0 0 rescue S< ? 0:00 [crypto] 1 0 43 2 0 -20 0 0 rescue S< ? 0:00 [kthrotld] 1 0 210 2 20 0 0 0 scsi_e S ? 0:00 [scsi_eh_0] 1 0 211 2 20 0 0 0 scsi_e S ? 0:00 [scsi_eh_1] 1 0 212 2 20 0 0 0 scsi_e S ? 0:00 [scsi_eh_2] 1 0 214 2 20 0 0 0 scsi_e S ? 0:00 [scsi_eh_3] 1 0 216 2 20 0 0 0 scsi_e S ? 0:00 [scsi_eh_4] 1 0 224 2 20 0 0 0 scsi_e S ? 0:00 [scsi_eh_5] 1 0 305 2 20 0 0 0 kjourn S ? 0:10 [jbd2/sda8-8] 1 0 306 2 0 -20 0 0 rescue S< ? 0:00 [ext4-dio-unwrit] 1 0 362 1 20 0 2648 588 poll_s S ? 0:00 upstart-udev-bridge --daemon 5 0 368 1 20 0 3100 1456 ep_pol Ss ? 0:00 udevd --daemon 5 0 470 368 20 0 3096 1072 ep_pol S ? 0:00 udevd --daemon 1 0 528 2 0 -20 0 0 rescue S< ? 0:00 [cfg80211] 5 0 536 2 -51 - 0 0 irq_th S ? 0:00 [irq/16-mei] 1 0 567 2 0 -20 0 0 rescue S< ? 0:00 [iwlagn] 1 0 626 2 0 -20 0 0 rescue S< ? 0:00 [kpsmoused] 4 0 641 1 20 0 6424 2316 poll_s Ss ? 0:00 /usr/sbin/sshd -D 5 101 647 1 20 0 28932 1336 poll_s Sl ? 0:03 rsyslogd -c5 1 0 656 2 0 -20 0 0 rescue S< ? 0:00 [l2cap] 1 0 659 2 0 -20 0 0 rescue S< ? 0:00 [hci0] 5 103 694 1 20 0 4428 2196 poll_s Ss ? 4:15 dbus-daemon --system --fork --a 1 0 700 2 0 -20 0 0 rescue S< ? 0:00 [hd-audio0] 0 0 706 1 20 0 6864 2540 poll_s S ? 0:00 /usr/sbin/modem-manager 5 0 709 1 20 0 28020 4984 poll_s Ssl ? 1:02 NetworkManager 5 106 716 1 20 0 3424 1560 poll_s S ? 0:00 avahi-daemon: running [saz.loca 1 106 718 716 20 0 3316 436 unix_s S ? 0:00 avahi-daemon: chroot helper 4 0 743 1 20 0 18192 2780 poll_s Ss ? 0:00 smbd -F 4 0 763 1 20 0 24484 3812 poll_s Sl ? 0:03 /usr/lib/policykit-1/polkitd 1 0 782 743 20 0 18192 1176 poll_s S ? 0:00 smbd -F 1 0 785 1 20 0 2652 352 poll_s S ? 0:00 upstart-socket-bridge --daemon 4 0 866 1 20 0 5688 2192 poll_s S ? 0:30 /sbin/wpa_supplicant -u -s -O / 4 0 1046 1 20 0 7316 2932 ep_pol Ss ? 0:00 /usr/sbin/cupsd -F 4 102 1060 1 20 0 50948 6856 poll_s Sl ? 0:00 /usr/lib/i386-linux-gnu/colord/ 1 0 1114 2 0 -20 0 0 rescue S< ? 0:00 [kdmflush] 1 0 1123 2 0 -20 0 0 rescue S< ? 0:00 [kcryptd_io] 1 0 1124 2 0 -20 0 0 rescue S< ? 0:00 [kcryptd] 0 0 1181 1 20 0 1968 540 n_tty_ Ss+ tty4 0:00 /sbin/getty -8 38400 tty4 0 0 1185 1 20 0 1968 544 n_tty_ Ss+ tty5 0:00 /sbin/getty -8 38400 tty5 0 0 1196 1 20 0 1968 544 n_tty_ Ss+ tty2 0:00 /sbin/getty -8 38400 tty2 0 0 1197 1 20 0 1968 544 n_tty_ Ss+ tty3 0:00 /sbin/getty -8 38400 tty3 0 0 1199 1 20 0 1968 540 n_tty_ Ss+ tty6 0:00 /sbin/getty -8 38400 tty6 1 0 1205 1 20 0 1984 728 poll_s Ss ? 0:00 acpid -c /etc/acpi/events -s /v 4 0 1211 1 20 0 43004 4140 poll_s Ssl ? 0:00 lightdm 1 0 1221 1 20 0 2428 900 hrtime Ss ? 0:00 cron 1 1 1222 1 20 0 2280 348 hrtime Ss ? 0:00 atd 5 0 1226 1 20 0 3420 624 hrtime Ss ? 0:56 /usr/sbin/irqbalance 4 0 1233 1211 20 0 40580 21972 - Rs+ tty7 65:11 /usr/bin/X :0 -auth /var/run/li 5 0 1254 1 20 0 4496 1508 poll_s Ss ? 0:00 /usr/sbin/bluetoothd 5 0 1262 2 10 -10 0 0 rfcomm S< ? 0:00 [krfcommd] 1 0 1351 2 20 0 0 0 bdi_wr S ? 0:19 [flush-8:0] 4 0 1360 1 20 0 15796 3384 poll_s Sl ? 0:05 /usr/lib/accountsservice/accoun 4 0 1367 1 20 0 27812 3388 poll_s Sl ? 0:00 /usr/sbin/console-kit-daemon -- 4 0 1472 1 20 0 26980 3728 poll_s Sl ? 0:10 /usr/lib/upower/upowerd 0 0 1548 1 20 0 1968 540 n_tty_ Ss+ tty1 0:00 /sbin/getty -8 38400 tty1 4 110 1580 1 21 1 20112 1196 poll_s SNl ? 0:02 /usr/lib/rtkit/rtkit-daemon 5 0 1632 1 20 0 10312 1628 poll_s Ss ? 0:04 nmbd -D 1 1000 1667 1 20 0 42236 3004 poll_s Sl ? 0:00 /usr/bin/gnome-keyring-daemon - 4 1000 1676 1211 20 0 47476 8000 poll_s Ssl ? 0:00 /usr/bin/gnome-session --sessio 1 1000 1725 1676 20 0 3856 180 poll_s Ss ? 0:01 /usr/bin/ssh-agent /usr/bin/dbu 1 1000 1728 1 20 0 3748 732 poll_s S ? 0:00 /usr/bin/dbus-launch --exit-wit 1 1000 1729 1 20 0 5056 2092 poll_s Ss ? 1:11 //bin/dbus-daemon --fork --prin 0 1000 1731 1 20 0 9192 2320 poll_s S ? 0:00 /usr/lib/gvfs/gvfsd 1 1000 1736 1 20 0 31588 2256 futex_ Ssl ? 0:00 /usr/lib/gvfs//gvfs-fuse-daemon 0 1000 1750 1676 20 0 276808 17712 poll_s Sl ? 0:40 /usr/lib/gnome-settings-daemon/ 0 1000 1758 1 20 0 9608 3144 poll_s S ? 0:18 /usr/lib/libgconf2-4/gconfd-2 0 1000 1761 1 20 0 47276 3856 poll_s Sl ? 0:00 /usr/lib/gnome-settings-daemon/ 0 1000 1763 1 20 0 38476 7552 poll_s Sl ? 0:00 /usr/bin/gnome-screensaver --no 0 1000 1764 1676 20 0 507888 111076 poll_s Sl ? 59:50 /usr/bin/gnome-shell 1 1000 1777 1 9 -11 164568 11160 poll_s S 1 0 13904 2 20 0 0 0 worker S ? 3:06 [kworker/2:0] 5 0 14527 368 20 0 3096 1088 ep_pol S ? 0:00 udevd --daemon 1 0 15482 2 20 0 0 0 worker S ? 0:44 [kworker/1:1] 4 0 15516 709 20 0 2736 1216 poll_s S ? 0:00 /sbin/dhclient -d -4 -sf /usr/l 4 0 16190 1976 20 0 2104 708 signal T pts/0 0:04 ping elsa 0 1000 16464 1764 20 0 911412 325996 poll_s Sl ? 48:15 /usr/lib/firefox-9.0.1/firefox 0 1000 16512 16464 20 0 504980 111600 poll_s Sl ? 156:33 /usr/lib/firefox-9.0.1/plugin-c 1 0 16675 2 20 0 0 0 worker S ? 0:00 [kworker/3:0] 1 0 18966 2 20 0 0 0 worker S ? 0:12 [kworker/3:2] 1 0 18976 2 20 0 0 0 worker S ? 0:40 [kworker/0:1] 1 0 20049 2 20 0 0 0 worker S ? 0:00 [kworker/2:2] 1 0 20054 2 20 0 0 0 worker S ? 0:03 [kworker/1:2] 1 0 20324 2 20 0 0 0 worker S ? 0:08 [kworker/0:2] 1 0 20430 2 20 0 0 0 worker S ? 0:00 [kworker/u:1] 1 0 20436 2 20 0 0 0 worker S ? 0:00 [kworker/u:2] 1 0 20457 2 20 0 0 0 worker S ? 0:00 [kworker/u:0] 1 0 20459 2 20 0 0 0 worker S ? 0:00 [kworker/0:0] 4 0 20462 1976 20 0 2436 696 - R+ pts/0 0:00 ps -axl