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Message #177413
[Bug 1461174] Re: Realtek Wifi card rtl8723be [10ec:b723] WiFi has an issue
I know this thread is now two years old but the problem with this
hardware almost drove me nuts ...
I am here on a HP Pavilion Laptop with beatsaudio. No Model Number -
nothing.
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
-------------------------------------
Before I tried everything I could find to get my wifi up but I do not
even see one spot. So no connection at all. I even cloned git and
compiled the driver - which worked fine.
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
---------------------------------------
Then 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!!
** Bug watch added: Linux Kernel Bug Tracker #83641
http://bugzilla.kernel.org/show_bug.cgi?id=83641
--
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https://bugs.launchpad.net/bugs/1461174
Title:
Realtek Wifi card rtl8723be [10ec:b723] WiFi has an issue
Status in HWE Next:
Triaged
Status in linux package in Ubuntu:
Confirmed
Bug description:
My WiFi has an issue.
---
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: u 1785 F.... pulseaudio
/dev/snd/controlC0: u 1785 F.... pulseaudio
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=c2a5715c-c92c-47fa-9aa2-c6f6e03f21bf
InstallationDate: Installed on 2015-06-09 (0 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
MachineType: Hewlett-Packard HP 455 G2
Package: linux (not installed)
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-30-generic root=UUID=97d2645a-a2be-49ec-b1bd-37c43ab4eeb1 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-3.16.0-30-generic N/A
linux-backports-modules-3.16.0-30-generic N/A
linux-firmware 1.127.11
Tags: trusty
Uname: Linux 3.16.0-30-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 07/25/2014
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: M75 Ver. 01.06
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 2235
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 66.19
dmi.chassis.asset.tag: 73612P10CU
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvrM75Ver.01.06:bd07/25/2014:svnHewlett-Packard:pnHP455G2:pvrA3009CD10002:rvnHewlett-Packard:rn2235:rvrKBCVersion66.19:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP 455 G2
dmi.product.version: A3009CD10002
dmi.sys.vendor: Hewlett-Packard
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