Notes as it is currently unreliable on WiFi, making appport-collect
hard.

After restoring from the recovery partition I am able to add this WPA2
network.

I then run apt-get upgrade and it gets buggy. Thanks for helping out. 
 
root@joe-STCK1A8LFC:~# apt-get upgrade 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  chestersmill-settings cups-filters cups-filters-core-drivers grub-common
  grub-efi-amd64 grub-efi-amd64-bin grub-efi-amd64-signed grub2-common
  linux-generic-lts-utopic linux-headers-generic-lts-utopic
  linux-image-generic-lts-utopic linux-signed-generic-lts-utopic
  linux-signed-image-generic-lts-utopic python3-software-properties
  python3-update-manager qpdf shim shim-signed software-properties-common
  software-properties-gtk update-manager update-manager-core update-notifier
  update-notifier-common
The following packages will be upgraded:
  accountsservice activity-log-manager activity-log-manager-control-center
  apparmor apparmor-easyprof apport apport-gtk apt apt-transport-https
  apt-utils aptdaemon aptdaemon-data apturl apturl-common avahi-autoipd
  avahi-daemon avahi-utils base-files bash bash-completion bind9-host binutils
  bluez bluez-cups bsdutils btrfs-tools ca-certificates click click-apparmor
  compiz compiz-core compiz-gnome compiz-plugins-default coreutils cpio
  cpp-4.8 cups cups-browsed cups-bsd cups-client cups-common cups-core-drivers
  cups-daemon cups-ppdc cups-server-common dbus dbus-x11 desktop-file-utils
  dh-python dkms dnsmasq-base dnsutils dosfstools dpkg e2fslibs e2fsprogs
  ecryptfs-utils efibootmgr eject empathy empathy-common eog evince
  evince-common evolution-data-server evolution-data-server-common
  evolution-data-server-online-accounts file file-roller fontconfig
  fontconfig-config fonts-droid fonts-opensymbol fuse gcc-4.8 gcc-4.8-base
  gcc-4.9-base gdb gdisk ghostscript ghostscript-x gir1.2-click-0.4
  gir1.2-ebook-1.2 gir1.2-ebookcontacts-1.2 gir1.2-edataserver-1.2
  gir1.2-gdkpixbuf-2.0 gir1.2-gst-plugins-base-1.0 gir1.2-gstreamer-1.0
  gir1.2-gtk-3.0 gir1.2-gudev-1.0 gir1.2-ibus-1.0 gir1.2-javascriptcoregtk-3.0
  gir1.2-networkmanager-1.0 gir1.2-soup-2.4 gir1.2-udisks-2.0 gir1.2-vte-2.90
  gir1.2-webkit-3.0 gir1.2-wnck-3.0 glib-networking glib-networking-common
  glib-networking-services gnome-contacts gnome-desktop3-data gnome-keyring
  gnome-user-guide gnupg gpgv gstreamer0.10-plugins-base
  gstreamer0.10-plugins-base-apps gstreamer0.10-plugins-good
  gstreamer0.10-pulseaudio gstreamer0.10-x gstreamer1.0-plugins-base
  gstreamer1.0-plugins-base-apps gstreamer1.0-plugins-good
  gstreamer1.0-pulseaudio gstreamer1.0-tools gstreamer1.0-x gvfs gvfs-backends
  gvfs-bin gvfs-common gvfs-daemons gvfs-fuse gvfs-libs hplip hplip-data ibus
  ibus-gtk ibus-gtk3 ifupdown im-config indicator-session init-system-helpers
  initramfs-tools initramfs-tools-bin initscripts iproute iproute2 irqbalance
  isc-dhcp-client isc-dhcp-common klibc-utils kmod kpartx kpartx-boot
  krb5-locales landscape-client-ui-install libaccountsservice0
  libapparmor-perl libapparmor1 libapt-inst1.5 libapt-pkg4.12
  libarchive-zip-perl libarchive13 libasan0 libasn1-8-heimdal libatomic1
  libavahi-client3 libavahi-common-data libavahi-common3 libavahi-core7
  libavahi-glib1 libavahi-gobject0 libbind9-90 libblkid1 libbluetooth3
  libc-bin libc-dev-bin libc6 libc6-dev libcamel-1.2-45 libcgmanager0
  libclick-0.4-0 libcomerr2 libcompizconfig0 libcups2 libcupscgi1
  libcupsfilters1 libcupsimage2 libcupsmime1 libcupsppdc1 libcurl3
  libcurl3-gnutls libdb5.3 libdbus-1-3 libdebian-installer4 libdecoration0
  libdns100 libdpkg-perl libdrm-intel1 libdrm-nouveau2 libdrm-radeon1 libdrm2
  libebackend-1.2-7 libebook-1.2-14 libebook-contacts-1.2-0 libecal-1.2-16
  libecryptfs0 libedata-book-1.2-20 libedata-cal-1.2-23 libedataserver-1.2-18
  libelf1 libevdocument3-4 libevview3-3 libexempi3 libexiv2-12 libexpat1
  libffi6 libfontconfig1 libfontembed1 libfreerdp1 libfreetype6 libfuse2
  libgail-3-0 libgail-common libgail18 libgbm1 libgc1c2 libgcc-4.8-dev libgcc1
  libgcrypt11 libgd3 libgdk-pixbuf2.0-0 libgdk-pixbuf2.0-common libglib2.0-0
  libglib2.0-bin libglib2.0-data libgnome-desktop-3-7 libgnutls-openssl27
  libgnutls26 libgomp1 libgraphite2-3 libgs9 libgs9-common libgssapi-krb5-2
  libgssapi3-heimdal libgstreamer-plugins-base0.10-0
  libgstreamer-plugins-base1.0-0 libgstreamer-plugins-good1.0-0
  libgstreamer1.0-0 libgtk-3-0 libgtk-3-bin libgtk-3-common libgtk2.0-0
  libgtk2.0-bin libgtk2.0-common libgudev-1.0-0 libgweather-3-6
  libgweather-common libharfbuzz-icu0 libharfbuzz0b libhcrypto4-heimdal
  libheimbase1-heimdal libheimntlm0-heimdal libhpmud0 libhunspell-1.3-0
  libhx509-5-heimdal libibus-1.0-5 libicu52 libidn11 libido3-0.1-0
  libimobiledevice4 libisc95 libisccc90 libisccfg90 libitm1 libjasper1
  libjavascriptcoregtk-3.0-0 libjbig2dec0 libjpeg-turbo8 libk5crypto3 libklibc
  libkmod2 libkpathsea6 libkrb5-26-heimdal libkrb5-3 libkrb5support0
  liblcms2-2 libldap-2.4-2 libldb1 liblightdm-gobject-1-0 liblouis-data
  liblouis2 liblwres90 libmagic1 libmetacity-private0a libminiupnpc8
  libmm-glib0 libmount1 libmtp-common libmtp-runtime libmtp9
  libnautilus-extension1a libnettle4 libnl-3-200 libnl-genl-3-200
  libnl-route-3-200 libnm-glib-vpn1 libnm-glib4 libnm-gtk-common libnm-gtk0
  libnm-util2 libnuma1 libp11-kit-gnome-keyring libpam-gnome-keyring
  libpam-modules libpam-modules-bin libpam-runtime libpam-systemd libpam0g
  libparted0debian1 libpci3 libpcre3 libpcsclite1 libperl5.18 libpixman-1-0
  libplist1 libplymouth2 libpng12-0 libpolkit-agent-1-0 libpolkit-backend-1-0
  libpolkit-gobject-1-0 libpoppler-glib8 libpoppler44 libprocps3 libpurple-bin
  libpurple0 libpython2.7 libpython2.7-minimal libpython2.7-stdlib
  libpython3.4 libpython3.4-minimal libpython3.4-stdlib libquadmath0
  libreoffice-common libreoffice-core libreoffice-style-human
  libroken18-heimdal librtmp0 libsane-hpaio libsmbclient libsndfile1
  libsnmp-base libsnmp30 libsoup-gnome2.4-1 libsoup2.4-1 libspectre1
  libsqlite3-0 libss2 libssl1.0.0 libstdc++6 libsystemd-daemon0
  libsystemd-journal0 libsystemd-login0 libtalloc2 libtasn1-6 libtdb1
  libtevent0 libtiff5 libtsan0 libudev1 libudisks2-0 libufe-xidgetter0
  libunity-control-center1 libunity-core-6.0-9 libuuid1 libvorbis0a
  libvorbisenc2 libvorbisfile3 libvte-2.90-9 libvte-2.90-common libwavpack1
  libwayland-client0 libwayland-cursor0 libwayland-server0 libwbclient0
  libwebkitgtk-3.0-0 libwebkitgtk-3.0-common libwhoopsie0 libwind0-heimdal
  libwmf0.2-7 libwmf0.2-7-gtk libwnck-3-0 libwnck-3-common libx11-6
  libx11-data libx11-xcb1 libxcursor1 libxfont1 libxkbcommon0 libxml2 libxpm4
  libxrandr2 libxslt1.1 lightdm linux-firmware linux-libc-dev login logrotate
  lsb-base lsb-release lshw makedev metacity metacity-common module-init-tools
  mount multiarch-support nautilus nautilus-data nautilus-sendto-empathy
  network-manager network-manager-gnome notify-osd-icons ntpdate
  oem-audio-i915-baytrail-dkms onboard onboard-data oneconf oneconf-common
  openssl os-prober parted passwd patch pciutils perl perl-base perl-modules
  plymouth plymouth-label plymouth-theme-ubuntu-logo
  plymouth-theme-ubuntu-text pm-utils policykit-1 poppler-utils ppp
  printer-driver-hpcups printer-driver-postscript-hp procps python-apt
  python-apt-common python-aptdaemon python-aptdaemon.gtk3widgets
  python-crypto python-ibus python-imaging python-ldb python-libxml2
  python-oneconf python-pil python-pkg-resources python-requests python-samba
  python-six python-talloc python-tdb python-twisted-bin python-twisted-core
  python-twisted-web python-urllib3 python2.7 python2.7-minimal
  python3-apparmor python3-apparmor-click python3-apport python3-apt
  python3-aptdaemon python3-aptdaemon.gtk3widgets python3-aptdaemon.pkcompat
  python3-click python3-crypto python3-distupgrade python3-gdbm
  python3-libapparmor python3-louis python3-oneconf python3-pkg-resources
  python3-problem-report python3-requests python3-six python3-uno
  python3-urllib3 python3.4 python3.4-minimal qtcore4-l10n resolvconf rsync
  rsyslog rtl8723bs-bluetooth-misc rtl8723bs-dkms samba-common
  samba-common-bin samba-libs sbsigntool secureboot-db sensible-utils
  shotwell-common simple-scan smbclient software-center ssh-askpass-gnome sudo
  systemd-services sysv-rc sysvinit-utils t1utils tar tcpdump tzdata
  ubuntu-drivers-common ubuntu-release-upgrader-core
  ubuntu-release-upgrader-gtk udev udisks2 unattended-upgrades unity
  unity-control-center unity-lens-music unity-scope-musicstores unity-services
  unity-settings-daemon uno-libs3 unzip ure usbutils util-linux uuid-runtime
  vim-common vim-tiny wget whoopsie wpasupplicant xdg-utils xserver-common
  xserver-xorg-video-intel-lts-utopic xul-ext-ubufox zlib1g
539 upgraded, 0 newly installed, 0 to remove and 24 not upgraded.
Need to get 259 MB of archives.

--Output of wpa_cli
joe@joe-STCK1A8LFC:~$ sudo wpa_cli
[sudo] password for joe: 
wpa_cli v2.1
Copyright (c) 2004-2014, Jouni Malinen <j...@w1.fi> and contributors

This software may be distributed under the terms of the BSD license.
See README for more details.


Selected interface 'wlan0'

Interactive mode

> scan
OK
<3>CTRL-EVENT-SCAN-RESULTS 
> scan_results
bssid / frequency / signal level / flags / ssid
e0:cb:XX:XX:XX:XX       2412    78      [WPA2-PSK-CCMP][ESS]    Example


--When the network drops and I run wpa_cli I get no results from wpa_cli scan 

--lspci

joe@joe-STCK1A8LFC:~$ lspci
00:00.0 Host bridge: Intel Corporation ValleyView SSA-CUnit (rev 0f)
00:02.0 VGA compatible controller: Intel Corporation ValleyView Gen7 (rev 0f)
00:1a.0 Encryption controller: Intel Corporation ValleyView SEC (rev 0f)
00:1d.0 USB controller: Intel Corporation ValleyView USB Enhanced Host 
Controller (rev 0f)
00:1f.0 ISA bridge: Intel Corporation ValleyView Power Control Unit (rev 0f)


 *-network
       description: Wireless interface
       physical id: 1
       logical name: wlan0
       serial: 28:c2:dd:60:2a:d7
       capabilities: ethernet physical wireless
       configuration: broadcast=yes driver=rtl8723bs ip=192.168.128.200 
multicast=yes wireless=IEEE 802.11bgn

--lshw
 lshw 
joe-stck1a8lfc            
    description: Desktop Computer
    product: STCK1A8LFC ()
    vendor: Intel Corporation
    version: H79550-100
    serial: GEFC52900PAE
    width: 64 bits
    capabilities: smbios-2.8 dmi-2.8 vsyscall32
    configuration: boot=normal chassis=desktop family=Compute Stick 
uuid=487CA83A-2258-39BB-1CA3-28C2DD602AD7

--Last output of tailing kern.log before a crash:joe@joe-STCK1A8LFC:/var/log$ 
tail kern.log
Nov  1 19:25:44 joe-STCK1A8LFC kernel: [ 1611.641803] RTL871X: CurIGValue=38, 
EntryMinUndecoratedSmoothedPWDB = 38
Nov  1 19:25:46 joe-STCK1A8LFC kernel: [ 1613.648356] RTL871X: IsBtDisabled=0, 
IsBtControlLps=0
Nov  1 19:25:46 joe-STCK1A8LFC kernel: [ 1613.648414] RTL871X: CurIGValue=38, 
EntryMinUndecoratedSmoothedPWDB = 38
Nov  1 19:25:48 joe-STCK1A8LFC kernel: [ 1615.330440] RTL871X: 
rtl8723b_fill_default_txdesc(wlan0): SP Packet(0x0806) rate=0x0
Nov  1 19:25:48 joe-STCK1A8LFC kernel: [ 1615.330538] RTL871X: 
rtl8723b_fill_default_txdesc(wlan0): SP Packet(0x0806) rate=0x0
Nov  1 19:25:48 joe-STCK1A8LFC kernel: [ 1615.332959] RTL871X: rtw_set_rpwm: 
polling cpwm OK! poll_cnt=1, cpwm_orig=80, cpwm_now=00 , 0x100=0xff
Nov  1 19:25:48 joe-STCK1A8LFC kernel: [ 1615.654675] RTL871X: IsBtDisabled=0, 
IsBtControlLps=0
Nov  1 19:25:48 joe-STCK1A8LFC kernel: [ 1615.658333] RTL871X: rtw_set_rpwm: 
polling cpwm OK! poll_cnt=1, cpwm_orig=00, cpwm_now=80 , 0x100=0xff
Nov  1 19:25:48 joe-STCK1A8LFC kernel: [ 1615.659256] RTL871X: 
rtw_set_ps_mode(wlan0) Leave 802.11 power save - WIFI-LPS_CTRL_TRAFFIC_BUSY
Nov  1 19:25:48 joe-STCK1A8LFC kernel: [ 1615.659277] RTL871X: 
rtl8723b_set_FwPwrMode_cmd(): FW LPS mode = 0, SmartPS=2

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https://bugs.launchpad.net/bugs/1800901

Title:
  Updating breaks wifi on Intel Compute Stick

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