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Re: [Bug 1583288] Re: Realtek Wifi card rtl8723be [10ec:b723] WiFi not available

 

Thanks for your reply but one look at the complications of reporting a
bug put me off. I am not a fan of Unity and had planned to install
Lubuntu but the best I have able to achieve is to install the LXDE
desktop on an out-of-date OS. This comes with the added bonus of a
battery indicator that does not work and an annoying login bongo noise
that keeps coming back despite all efforts to disable it.  It is
annoying that HP have chosen to market a Linux laptop that does not
work with the majority of Linux distros. The only ones I have found
that work (apart from HP's modified Ubuntu) are Console Linux and
Puppy, neither of which I particularly like.
I guess I am just a grumpy old git but next time I buy a computer I
will cough up the Microsoft tax and get one that works with Linux!

Podsgrove
 Sent using Hushmail
On 07/06/2016 at 11:41 AM, "Christopher M. Penalver"  wrote:Podsgrove,
it will help immensely if you filed a new report with Ubuntu (not
Mint) via the default repository kernel (not mainline/upstream) via a
terminal:
ubuntu-bug linux

Please feel free to subscribe me to it.

For more on why this is helpful, please see
https://wiki.ubuntu.com/ReportingBugs.

-- 
You received this bug notification because you are subscribed to the
bug
report.
https://bugs.launchpad.net/bugs/1583288

Title:
  Realtek Wifi card rtl8723be [10ec:b723] WiFi not available

Status in linux package in Ubuntu:
  Invalid

Bug description:
  I am here on a HP Pavilion Laptop with beatsaudio. No Model Number -
  nothing.But I have this problem on other HP (455) Notebooks too.

  OS tried: OpenSuse / Kubuntu / Linux Mint Mate (card does not work
out
  of the box / no scanning)

  The Wifi card is: (in Germany!)

  --------------------------------------

   lspci -nn | grep -iA2 net
  02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd.
RTL8723BE PCIe Wireless Network Adapter [10ec:b723]

  --------------------------------------

  I am now under kernel:
  4.4.0-21-generic

  I installed the newest kernel because in some threads people said
the card woule be available in the newest kernel. But this was not the
case. I mean the card is there but does not scan nor see any wifi
networks.
  -------------------------------------

  Before I tried everything I could find to get my wifi running but I
do
  not even see one spot. So no connection at all. I even cloned git
and
  compiled the driver - the compiling and installation worked fine. I
  tried the old and the new driver.

  By the way the BT seems to be fine - although I have not checked
cause
  I do not need BT.

  ---------------------------------------------
  Here is what I tried:

  rfkill list all; hciconfig -a
  0: hci0: Bluetooth
   Soft blocked: no
   Hard blocked: no
  1: phy0: Wireless LAN
   Soft blocked: no
   Hard blocked: no
  hci0: Type: BR/EDR Bus: USB
   BD Address: 2C:33:7A:3F:E4:3E ACL MTU: 820:8 SCO MTU: 255:16
   UP RUNNING PSCAN
   RX bytes:1327 acl:0 sco:0 events:139 errors:0
   TX bytes:25058 acl:0 sco:0 commands:139 errors:0
   Features: 0xff 0xff 0xff 0xfe 0xdb 0xff 0x7b 0x87
   Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
   Link policy: RSWITCH HOLD SNIFF PARK
   Link mode: SLAVE ACCEPT
   Name: 'mint-0'
   Class: 0x740100
   Service Classes: Rendering, Object Transfer, Audio, Telephony
   Device Class: Computer, Uncategorized
   HCI Version: 4.0 (0x6) Revision: 0xe2f
   LMP Version: 4.0 (0x6) Subversion: 0x9f73
   Manufacturer: Realtek Semiconductor Corporation (93)

  -------------------------------------

  I added the options sugested in rtl8723be.conf

  options rtl8723be fwlps=0 swlps=0

  But this did not help either.

  --------------------------------------

  lsmod reports:

  rfcomm 69632 12
  rtl8723be 139264 0
  btcoexist 180224 1 rtl8723be
  rtl_pci 40960 1 rtl8723be
  rtlwifi 98304 3 btcoexist,rtl_pci,rtl8723be
  hp_wmi 16384 0
  mac80211 733184 3 rtl_pci,rtlwifi,rtl8723be
  sparse_keymap 16384 1 hp_wmi
  kvm 532480 0
  irqbypass 16384 1 kvm
  btusb 45056 0
  crct10dif_pclmul 16384 0
  btrtl 16384 1 btusb
  btbcm 16384 1 btusb
  ...

  -------------------------------------------------------

  dmesg | grep rtl reports:

  [ 8.982260] Bluetooth: hci0: rtl: examining hci_ver=06 hci_rev=000b
lmp_ver=06 lmp_subver=8723
  [ 8.982262] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_fw.bin
  [ 9.064265] rtlwifi: module verification failed: signature and/or
required key missing - tainting kernel
  [ 9.403770] Using firmware rtlwifi/rtl8723befw.bin
  [ 9.404023] rtlwifi: channel plan 0x20
  [ 9.404027] rtlwifi: country code 11
  [ 9.422483] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
  [ 9.423458] rtlwifi: wireless switch is on

  --------------------------------------------------------

  modinfo rtl8723be

  filename:
/lib/modules/4.4.0-21-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8723be/rtl8723be.ko
  firmware: rtlwifi/rtl8723befw.bin
  description: Realtek 8723BE 802.11n PCI wireless
  license: GPL
  author: Realtek WlanFAE 
  author: PageHe 
  srcversion: 00619764255210776FAB54D
  alias: pci:v000010ECd0000B723sv*sd*bc*sc*i*
  depends: rtlwifi,rtl_pci,btcoexist,mac80211
  vermagic: 4.4.0-21-generic SMP mod_unload modversions
  parm: swlps:bool
  parm: swenc:using hardware crypto (default 0 [hardware])
   (bool)
  parm: ips:using no link power save (default 1 is open)
   (bool)
  parm: fwlps:using linked fw control power save (default 1 is open)
   (bool)
  parm: msi:Set to 1 to use MSI interrupts mode (default 0)
   (bool)
  parm: debug:Set debug level (0-5) (default 0) (int)
  parm: disable_watchdog:Set to 1 to disable the watchdog (default 0)
   (bool)
  parm: ant_sel:Set to 1 or 2 to force antenna number (default 0)
   (int)

  ---------------------------------------------------------

  sudo iwlist scan

  wlan0 No scan results

  ---------------------------------------------------------

  sudo iwconfig
  eth0 no wireless extensions.

  wlan0 IEEE 802.11bgn ESSID:off/any
            Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
            Retry short limit:7 RTS thr=2347 B Fragment thr:off
            Encryption key:off
            Power Management:off

  lo no wireless extensions.

  ----------------------------------------------------------

  sudo ifconfig wlan0 down
  sudo ifconfig wlan0 up

  without errors.

  ----------------------------------------------------------

  In my disappointment I tried this:

  From https://bugzilla.kernel.org/show_bug.cgi?id=83641#c1

  "There is a new version of this driver at GitHub. You will need to
  have the package with the kernel headers installed.

  git clone http://github.com/lwfinger/rtlwifi_new.git
  cd rtlwifi_new
  make
  sudo make install

  This version of the driver will be submitted for inclusion in kernel
  3.18. I ran it for 39 hours with no disconnects."

  ---------------------------------

  no errors but no change.

  ---------------------------------

  Checked this link:

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1240940

  ---------------------------------

  Then I tried several params and finally this worked somehow.

  sudo modprobe -rv rtl8723be

  sudo modprobe -v rtl8723be msi=1

  I now was able to see wifi networks - hoorayyyy!! :)

  ---------------------------------------------------------

  I then tried to connect to my network - but failed.

  I am sitting 1 m next to my router.

  -----------------------------------------------------------
  dmesg:

  [ 2027.454666] AMD-Vi: Event logged [INVALID_DEVICE_REQUEST
device=00:00.1 address=0x000000fdf8080020 flags=0x0a00]
  [ 2027.464903] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
  [ 2051.922688] cfg80211: World regulatory domain updated:
  [ 2051.922698] cfg80211: DFS Master region: unset
  [ 2051.922701] cfg80211: (start_freq - end_freq @ bandwidth),
(max_antenna_gain, max_eirp), (dfs_cac_time)
  [ 2051.922709] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz),
(300 mBi, 2000 mBm), (N/A)
  [ 2051.922714] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz),
(300 mBi, 2000 mBm), (N/A)
  [ 2051.922719] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz),
(300 mBi, 2000 mBm), (N/A)
  [ 2051.922723] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz),
(300 mBi, 2000 mBm), (N/A)
  [ 2051.922727] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz),
(300 mBi, 2000 mBm), (N/A)
  [ 2051.963665] Using firmware rtlwifi/rtl8723befw.bin
  [ 2051.963841] rtlwifi: channel plan 0x20
  [ 2051.963845] rtlwifi: country code 11
  [ 2051.965731] ieee80211 phy0: Selected rate control algorithm
'rtl_rc'
  [ 2051.966606] rtlwifi: wireless switch is on
  [ 2052.401828] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
  [ 2221.380867] r8169 0000:03:00.0 eth0: link down
  [ 2229.644057] systemd-hostnamed[3082]: Warning: nss-myhostname is
not installed. Changing the local hostname might make it
unresolveable. Please install nss-myhostname!
  [ 2254.504927] wlan0: authenticate with 58:7f:66:65:73:6c
  [ 2254.933657] wlan0: send auth to 58:7f:66:65:73:6c (try 1/3)
  [ 2256.065621] wlan0: send auth to 58:7f:66:65:73:6c (try 2/3)
  [ 2257.065727] wlan0: send auth to 58:7f:66:65:73:6c (try 3/3)
  [ 2258.089758] wlan0: authentication with 58:7f:66:65:73:6c timed
out

  ---------------------------------------
  WORKAROUND: I changed region to Germany:
  echo 'KERNEL=="regulatory*", ACTION=="change",
SUBSYSTEM=="platform", RUN+="/sbin/iw reg set DE"' | sudo tee
/etc/udev/rules.d/regulatory.rules

  and then I was able to connect. My options are now:
  options rtl8723be fwlps=0 swlps=0 msi=1

  Now it runs perfectly! Thanks to all!!
  --- 
  ApportVersion: 2.14.1-0ubuntu3.20
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  manu       2190 F.... pulseaudio
   /dev/snd/controlC0:  manu       2190 F.... pulseaudio
  CurrentDesktop: MATE
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=22d6e684-67c6-4dc5-a236-967f627153c3
  InstallationDate: Installed on 2016-05-04 (29 days ago)
  InstallationMedia: Linux Mint 17.3 "Rosa" - Release amd64 20151128
  MachineType: Hewlett-Packard HP Pavilion 17 Notebook PC
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic
root=UUID=d4bd09f7-4980-4c94-8560-07cdc4e36ee4 ro quiet splash
vt.handoff=7
  ProcVersionSignature: Ubuntu 4.4.0-21.37~14.04.1-generic 4.4.6
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-21-generic N/A
   linux-backports-modules-4.4.0-21-generic  N/A
   linux-firmware                            1.144+ar3012
  Tags:  rosa
  Uname: Linux 4.4.0-21-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 11/21/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F.33
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 2265
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 72.35
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF.33:bd11/21/2014:svnHewlett-Packard:pnHPPavilion17NotebookPC:pvr097B120000005F00000600080:rvnHewlett-Packard:rn2265:rvr72.35:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP Pavilion 17 Notebook PC
  dmi.product.version: 097B120000005F00000600080
  dmi.sys.vendor: Hewlett-Packard

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Title:
  Realtek Wifi card rtl8723be [10ec:b723] WiFi not available

Status in linux package in Ubuntu:
  Invalid

Bug description:
  I am here on a HP Pavilion Laptop with beatsaudio. No Model Number -
  nothing.But I have this problem on other HP (455) Notebooks too.

  OS tried: OpenSuse / Kubuntu / Linux Mint Mate (card does not work out
  of the box / no scanning)

  The Wifi card is: (in Germany!)

  --------------------------------------

   lspci -nn | grep -iA2 net
  02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]

  --------------------------------------

  I am now under kernel:
  4.4.0-21-generic

  I installed the newest kernel because in some threads people said the card woule be available in the newest kernel. But this was not the case. I mean the card is there but does not scan nor see any wifi networks.
  -------------------------------------

  Before I tried everything I could find to get my wifi running but I do
  not even see one spot. So no connection at all. I even cloned git and
  compiled the driver - the compiling and installation worked fine. I
  tried the old and the new driver.

  By the way the BT seems to be fine - although I have not checked cause
  I do not need BT.

  ---------------------------------------------
  Here is what I tried:

  rfkill list all; hciconfig -a
  0: hci0: Bluetooth
   Soft blocked: no
   Hard blocked: no
  1: phy0: Wireless LAN
   Soft blocked: no
   Hard blocked: no
  hci0: Type: BR/EDR Bus: USB
   BD Address: 2C:33:7A:3F:E4:3E ACL MTU: 820:8 SCO MTU: 255:16
   UP RUNNING PSCAN
   RX bytes:1327 acl:0 sco:0 events:139 errors:0
   TX bytes:25058 acl:0 sco:0 commands:139 errors:0
   Features: 0xff 0xff 0xff 0xfe 0xdb 0xff 0x7b 0x87
   Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
   Link policy: RSWITCH HOLD SNIFF PARK
   Link mode: SLAVE ACCEPT
   Name: 'mint-0'
   Class: 0x740100
   Service Classes: Rendering, Object Transfer, Audio, Telephony
   Device Class: Computer, Uncategorized
   HCI Version: 4.0 (0x6) Revision: 0xe2f
   LMP Version: 4.0 (0x6) Subversion: 0x9f73
   Manufacturer: Realtek Semiconductor Corporation (93)

  -------------------------------------

  I added the options sugested in rtl8723be.conf

  options rtl8723be fwlps=0 swlps=0

  But this did not help either.

  --------------------------------------

  lsmod reports:

  rfcomm 69632 12
  rtl8723be 139264 0
  btcoexist 180224 1 rtl8723be
  rtl_pci 40960 1 rtl8723be
  rtlwifi 98304 3 btcoexist,rtl_pci,rtl8723be
  hp_wmi 16384 0
  mac80211 733184 3 rtl_pci,rtlwifi,rtl8723be
  sparse_keymap 16384 1 hp_wmi
  kvm 532480 0
  irqbypass 16384 1 kvm
  btusb 45056 0
  crct10dif_pclmul 16384 0
  btrtl 16384 1 btusb
  btbcm 16384 1 btusb
  ...

  -------------------------------------------------------

  dmesg | grep rtl reports:

  [ 8.982260] Bluetooth: hci0: rtl: examining hci_ver=06 hci_rev=000b lmp_ver=06 lmp_subver=8723
  [ 8.982262] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_fw.bin
  [ 9.064265] rtlwifi: module verification failed: signature and/or required key missing - tainting kernel
  [ 9.403770] Using firmware rtlwifi/rtl8723befw.bin
  [ 9.404023] rtlwifi: channel plan 0x20
  [ 9.404027] rtlwifi: country code 11
  [ 9.422483] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
  [ 9.423458] rtlwifi: wireless switch is on

  --------------------------------------------------------

  modinfo rtl8723be

  filename: /lib/modules/4.4.0-21-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8723be/rtl8723be.ko
  firmware: rtlwifi/rtl8723befw.bin
  description: Realtek 8723BE 802.11n PCI wireless
  license: GPL
  author: Realtek WlanFAE <wlanfae@xxxxxxxxxxx>
  author: PageHe <page_he@xxxxxxxxxxxxxx>
  srcversion: 00619764255210776FAB54D
  alias: pci:v000010ECd0000B723sv*sd*bc*sc*i*
  depends: rtlwifi,rtl_pci,btcoexist,mac80211
  vermagic: 4.4.0-21-generic SMP mod_unload modversions
  parm: swlps:bool
  parm: swenc:using hardware crypto (default 0 [hardware])
   (bool)
  parm: ips:using no link power save (default 1 is open)
   (bool)
  parm: fwlps:using linked fw control power save (default 1 is open)
   (bool)
  parm: msi:Set to 1 to use MSI interrupts mode (default 0)
   (bool)
  parm: debug:Set debug level (0-5) (default 0) (int)
  parm: disable_watchdog:Set to 1 to disable the watchdog (default 0)
   (bool)
  parm: ant_sel:Set to 1 or 2 to force antenna number (default 0)
   (int)

  ---------------------------------------------------------

  sudo iwlist scan

  wlan0 No scan results

  ---------------------------------------------------------

  sudo iwconfig
  eth0 no wireless extensions.

  wlan0 IEEE 802.11bgn ESSID:off/any
            Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm
            Retry short limit:7 RTS thr=2347 B Fragment thr:off
            Encryption key:off
            Power Management:off

  lo no wireless extensions.

  ----------------------------------------------------------

  sudo ifconfig wlan0 down
  sudo ifconfig wlan0 up

  without errors.

  ----------------------------------------------------------

  In my disappointment I tried this:

  From https://bugzilla.kernel.org/show_bug.cgi?id=83641#c1

  "There is a new version of this driver at GitHub. You will need to
  have the package with the kernel headers installed.

  git clone http://github.com/lwfinger/rtlwifi_new.git
  cd rtlwifi_new
  make
  sudo make install

  This version of the driver will be submitted for inclusion in kernel
  3.18. I ran it for 39 hours with no disconnects."

  ---------------------------------

  no errors but no change.

  ---------------------------------

  Checked this link:

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1240940

  ---------------------------------

  Then I tried several params and finally this worked somehow.

  sudo modprobe -rv rtl8723be

  sudo modprobe -v rtl8723be msi=1

  I now was able to see wifi networks - hoorayyyy!! :)

  ---------------------------------------------------------

  I then tried to connect to my network - but failed.

  I am sitting 1 m next to my router.

  -----------------------------------------------------------
  dmesg:

  [ 2027.454666] AMD-Vi: Event logged [INVALID_DEVICE_REQUEST device=00:00.1 address=0x000000fdf8080020 flags=0x0a00]
  [ 2027.464903] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
  [ 2051.922688] cfg80211: World regulatory domain updated:
  [ 2051.922698] cfg80211: DFS Master region: unset
  [ 2051.922701] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
  [ 2051.922709] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
  [ 2051.922714] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
  [ 2051.922719] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
  [ 2051.922723] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
  [ 2051.922727] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
  [ 2051.963665] Using firmware rtlwifi/rtl8723befw.bin
  [ 2051.963841] rtlwifi: channel plan 0x20
  [ 2051.963845] rtlwifi: country code 11
  [ 2051.965731] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
  [ 2051.966606] rtlwifi: wireless switch is on
  [ 2052.401828] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
  [ 2221.380867] r8169 0000:03:00.0 eth0: link down
  [ 2229.644057] systemd-hostnamed[3082]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname!
  [ 2254.504927] wlan0: authenticate with 58:7f:66:65:73:6c
  [ 2254.933657] wlan0: send auth to 58:7f:66:65:73:6c (try 1/3)
  [ 2256.065621] wlan0: send auth to 58:7f:66:65:73:6c (try 2/3)
  [ 2257.065727] wlan0: send auth to 58:7f:66:65:73:6c (try 3/3)
  [ 2258.089758] wlan0: authentication with 58:7f:66:65:73:6c timed out

  ---------------------------------------
  WORKAROUND: I changed region to Germany:
  echo 'KERNEL=="regulatory*", ACTION=="change", SUBSYSTEM=="platform", RUN+="/sbin/iw reg set DE"' | sudo tee /etc/udev/rules.d/regulatory.rules

  and then I was able to connect. My options are now:
  options rtl8723be fwlps=0 swlps=0 msi=1

  Now it runs perfectly! Thanks to all!!
  --- 
  ApportVersion: 2.14.1-0ubuntu3.20
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  manu       2190 F.... pulseaudio
   /dev/snd/controlC0:  manu       2190 F.... pulseaudio
  CurrentDesktop: MATE
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=22d6e684-67c6-4dc5-a236-967f627153c3
  InstallationDate: Installed on 2016-05-04 (29 days ago)
  InstallationMedia: Linux Mint 17.3 "Rosa" - Release amd64 20151128
  MachineType: Hewlett-Packard HP Pavilion 17 Notebook PC
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic root=UUID=d4bd09f7-4980-4c94-8560-07cdc4e36ee4 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.4.0-21.37~14.04.1-generic 4.4.6
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-21-generic N/A
   linux-backports-modules-4.4.0-21-generic  N/A
   linux-firmware                            1.144+ar3012
  Tags:  rosa
  Uname: Linux 4.4.0-21-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 11/21/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F.33
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 2265
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 72.35
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF.33:bd11/21/2014:svnHewlett-Packard:pnHPPavilion17NotebookPC:pvr097B120000005F00000600080:rvnHewlett-Packard:rn2265:rvr72.35:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP Pavilion 17 Notebook PC
  dmi.product.version: 097B120000005F00000600080
  dmi.sys.vendor: Hewlett-Packard

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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1583288/+subscriptions


Follow ups

References