Hi, I've been reading several threads on the forums and askubuntu about people having the same issue as me, which is unstable and slow wifi with the Realtek rtl8188ce wifi adapter. None of the threads have helped.
I am new to Linux, so I can't tell if you in words what I've tried, but if you suggest a terminal command I may recognize it! I can tell you that I've tried the latest official Realtek driver, and it didn't change a thing.
The router I am connected to only supports g and b, not N.
Please let me know if you need more info than this, thanks:
Laptop:
Code:
Lenovo Thinkpad L430 L2N36MD
Ubuntu 12.04 LTS 64-bit
Kernel/architecture (including 32 vs. 64 bit):
$ uname -mr
Code:
3.2.0-26-generic x86_64
Wireless Brand, Model and Wireless Chipset:
$ lspci | grep Network
Code:
06:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01)
Interface:
$ iwconfig wlan0
Code:
wlan0 IEEE 802.11bgn ESSID:"Fullrate"
Mode:Managed Frequency:2.437 GHz Access Point: 00:19:CB:E7:09:C5
Bit Rate=1 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=56/70 Signal level=-54 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:52 Missed beacon:0
Modules:
$ lsmod | grep 8192
Code:
rtl8192ce 137448 0
rtlwifi 118718 1 rtl8192ce
mac80211 506816 2 rtl8192ce,rtlwifi
Kernel boot messages:
$ dmesg | grep 8192
Code:
[ 0.000000] PERCPU: Embedded 28 pages/cpu @ffff88011f200000 s83072 r8192 d23424 u262144
[ 0.000000] pcpu-alloc: s83072 r8192 d23424 u262144 alloc=1*2097152
[ 2.923992] rtl8192ce 0000:06:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[ 2.924006] rtl8192ce 0000:06:00.0: setting latency timer to 64
Network configuration:
$ sudo lshw -C network
Code:
*-network
description: Wireless interface
product: RTL8188CE 802.11b/g/n WiFi Adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:06:00.0
logical name: wlan0
version: 01
serial: 7c:e9:d3:f3:b0:e7
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8192ce driverversion=3.2.0-26-generic firmware=N/A ip=192.168.1.40 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
resources: irq:17 ioport:3000(size=256) memory:f1d00000-f1d03fff
Scan for networks:
$ iwlist scan
Code:
wlan0 Scan completed :
Cell 01 - Address: 00:19:CB:E7:09:C5
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=50/70 Signal level=-60 dBm
Encryption key:off
ESSID:"Fullrate"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=00000014db49d1b6
Extra: Last beacon: 12368ms ago
IE: Unknown: 000846756C6C72617465
IE: Unknown: 010582848B962C
IE: Unknown: 030106
IE: Unknown: 2A0100
IE: Unknown: 32080C1218243048606C
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