https://itechscotland.wordpress.com/201 ... in-ubuntu/
I have turned off the power management with no increase in speed. I even created the file as directed above, but on restart the power management comes back on. Here is all the info I know how to pull;
inxi -Fxz
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System: Host: rebecca-GB-BXA8-5557 Kernel: 3.16.0-38-generic x86_64 (64 bit, gcc: 4.8.2)
Desktop: Cinnamon 2.6.13 Distro: Linux Mint 17.2 Rafaela
Machine: Mobo: GIGABYTE model: M1M3XCP-00 version: 1.x Bios: American Megatrends version: F2 date: 04/20/2015
CPU: Quad core AMD A8-5557M APU with Radeon HD Graphics (-MCP-) cache: 8192 KB flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm) bmips: 16768.5
Clock Speeds: 1: 1400.00 MHz 2: 1400.00 MHz 3: 1400.00 MHz 4: 1700.00 MHz
Graphics: Card: Advanced Micro Devices [AMD/ATI] Richland [Radeon HD 8550G] bus-ID: 00:01.0
X.Org: 1.15.1 drivers: ati,radeon (unloaded: fbdev,vesa) Resolution: 1440x900@59.9hz
GLX Renderer: Gallium 0.4 on AMD ARUBA GLX Version: 3.0 Mesa 10.1.3 Direct Rendering: Yes
Audio: Card-1: Advanced Micro Devices [AMD] FCH Azalia Controller driver: snd_hda_intel bus-ID: 00:14.2
Card-2: Advanced Micro Devices [AMD/ATI] Trinity HDMI Audio Controller driver: snd_hda_intel bus-ID: 00:01.1
Sound: Advanced Linux Sound Architecture ver: k3.16.0-38-generic
Network: Card-1: Realtek RTL8821AE 802.11ac PCIe Wireless Network Adapter driver: rtl8821ae port: d000 bus-ID: 06:00.0
IF: wlan0 state: up mac: <filter>
Card-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
driver: r8169 ver: 2.3LK-NAPI port: e000 bus-ID: 05:00.0
IF: eth0 state: down mac: <filter>
Drives: HDD Total Size: 265.6GB (2.2% used) 1: id: /dev/sda model: WDC_WD2500LPLX size: 250.1GB temp: 31C
2: USB id: /dev/sdb model: TransMemory size: 15.5GB temp: 0C
Partition: ID: / size: 223G used: 5.2G (3%) fs: ext4 ID: swap-1 size: 7.72GB used: 0.00GB (0%) fs: swap
RAID: No RAID devices detected - /proc/mdstat and md_mod kernel raid module present
Sensors: System Temperatures: cpu: 35.9C mobo: N/A gpu: 35.0
Fan Speeds (in rpm): cpu: N/A
Info: Processes: 181 Uptime: 15 min Memory: 401.8/7108.3MB Runlevel: 2 Gcc sys: 4.8.4
Client: Shell (bash 4.3.11) inxi: 1.9.17
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*-network
description: Wireless interface
product: RTL8821AE 802.11ac PCIe Wireless Network Adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:06:00.0
logical name: wlan0
version: 00
serial: xxxxxxxxxxxxxxxxx
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8821ae driverversion=3.16.0-38-generic firmware=N/A ip=192.168.0.8 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn
resources: irq:18 ioport:d000(size=256) memory:fe900000-fe903fff
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sudo /usr/lib/linuxmint/mintWifi/mintWifi.py
-------------------------
* I. scanning WIFI PCI devices...
-- Realtek Semiconductor Co., Ltd. RTL8821AE 802.11ac PCIe Wireless Network Adapter
==> PCI ID = 10ec:8821
-------------------------
* II. querying ndiswrapper...
-------------------------
* III. querying iwconfig...
eth0 no wireless extensions.
wlan0 IEEE 802.11abgn ESSID:"xxxxxxxxxxxxxxxxx"
Mode:Managed Frequency:2.437 GHz Access Point: xxxxxxxxxxxxxxxx
Bit Rate=6.5 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=70/70 Signal level=-26 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:2 Missed beacon:0
lo no wireless extensions.
-------------------------
* IV. querying ifconfig...
eth0 Link encap:Ethernet HWaddr xxxxxxxxxxxxxxxxxxx
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
lo Link encap:Local Loopback
inet addr:xxxxxxxxxxxxxxxx Mask:255.0.0.0
inet6 addr: xxxxxxxxxxxxxxxxxxx/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:266 errors:0 dropped:0 overruns:0 frame:0
TX packets:266 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:24800 (24.8 KB) TX bytes:24800 (24.8 KB)
wlan0 Link encap:Ethernet HWaddr xxxxxxxxxxxxxxxx
inet addr:xxxxxxxxxxx Bcast:xxxxxxxxxxxxx Mask:255.255.255.0
inet6 addr: xxxxxxxxxxxxxxxxx/64 Scope:Link
inet6 addr: xxxxxxxxxxxxxxxxxxxxxxx/64 Scope:Global
inet6 addr: xxxxxxxxxxxxxxxxxxxxxxx/64 Scope:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:842 errors:0 dropped:0 overruns:0 frame:0
TX packets:250 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:130451 (130.4 KB) TX bytes:43198 (43.1 KB)
-------------------------
* V. querying DHCP...
RTNETLINK answers: File exists
-------------------------
* VI. querying nslookup google.com...
Server: 209.18.47.61
Address: 209.18.47.61#53
Non-authoritative answer:
Name: google.com
Address: 216.58.218.206
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rebecca@rebecca-GB-BXA8-5557 ~ $ iwconfig
eth0 no wireless extensions.
wlan0 IEEE 802.11abgn ESSID:"xxxxxxxxxxxx"
Mode:Managed Frequency:2.437 GHz Access Point: xxxxxxxxxxxxxxxxxxxx
Bit Rate=6.5 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:on
Link Quality=70/70 Signal level=-26 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:1 Missed beacon:0
lo no wireless extensions.
rebecca@rebecca-GB-BXA8-5557 ~ $ sudo iwconfig wlan0 power off
[sudo] password for rebecca:
rebecca@rebecca-GB-BXA8-5557 ~ $ iwconfig
eth0 no wireless extensions.
wlan0 IEEE 802.11abgn ESSID:"xxxxxxxxxxxxx"
Mode:Managed Frequency:2.437 GHz Access Point: xxxxxxxxxxxxxxxx
Bit Rate=6.5 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-26 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:1 Missed beacon:0
lo no wireless extensions.