Hello,
The file /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf doesn't
exists on Ubuntu 14.04 LTS.
But I tried "options iwlwifi 11n_disable=8", I don't understand why "8"
(because with "1" it doesn't change anything) but on my laptop:
The Wireless card connect faster to the AP and
Firmware changes did not help, but the following doubled my speed from
20mbps to 40mbps (still 50% lower than what I got in Windows 7):
vi /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
Change line to
wifi.powersave = 2
echo "options iwlwifi 11n_disable=8" | sudo tee
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-
firmware.git/log/iwlwifi-6000-4.ucode
Last activity in master branch was 2011-06-03 so not much hope.
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Went to
http://www.intel.com/content/www/us/en/support/network-and-i-o/wireless-
networking/05511.html
and tried version 9.176 with no luck, same slow speeds.
loaded firmware version 9.176.4.1 build 15835 op_mode iwldvm
sudo mv -i ~rbeede/Downloads/iwlwifi-6000-4.ucode /lib/firmware
sudo
dmesg | grep firmware
337586.320046] iwlwifi :03:00.0: loaded firmware version 9.221.4.1
build 25532 op_mode iwldvm
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Title:
I just tested and have the same issue. I tried the modprobe options
idea with no change.
Ubuntu 16.10 64-bit.
4.8.0-41-generic #44-Ubuntu SMP
My next approach will be to try the firmware blob from Intel's website
to see if pushing a newer one in helps.
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>From http://www.intel.com/content/www/us/en/support/network-and-i-o
/wireless-networking/05511.html, one can conclude that this issue
will probably never be fixed. The Ultimate-N 6300 is only supported for
kernel 2.6.30. Obviously, it would be great for someone at Intel to
confirm this.
[edit]: I had to hide my previous comment as it contained private
information.
Small improvement. Now 80Mbit/s instead of 50Mbit/s. But still not
185Mbit/s.
Adding this solution did not help too much in my case. I haven't reached
the throughput i was used to before. In this test running Ubuntu
I have always the same problem, on Ubuntu 14.04 LTS with Linux 4.2
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Title:
Wifi slow on Intel Corporation Centrino Ultimate-N
Small improvement. Now 80Mbit/s instead of 50Mbit/s. But still not
185Mbit/s.
Adding this solution did not help too much in my case. I haven't reached
the throughput i was used to before. In this test running Ubuntu 16.04
with all updates and standard kernel:
iperf -c 192.168.10.11
Ok, it has nothing to do with the "standby-mode".
But i found a solution that seems to work for me:
https://wiki.debian.org/iwlwifi
I edited "/etc/modprobe.d/iwlwifi.conf" and put this in it "options iwlwifi
bt_coex_active=0 swcrypto=1 11n_disable=8" and it seems to work.
Give it a try. ;-)
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Same problem here.
I wanted to migrate from Ubuntu 12.04.04 LTS to 16.04 and installed a new
Ubuntu 16.04 LTS on a second SSD for testing on the same hardware. I was not
moving my laptop in space during the testing. Both tests were performed on
battery on 5GHZ wifi connected to a AVM Fritzbox
** Changed in: linux (Ubuntu)
Status: Invalid => Confirmed
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Title:
Wifi slow on Intel Corporation Centrino Ultimate-N 6300
I have the same problem and i think in my case it's after standby.
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Title:
Wifi slow on Intel Corporation Centrino Ultimate-N 6300
No it was a fresh install, and because of a bad amd driver I need to re-
installl this 5 times, so be sure my report is about a fresh install,
today I have always the problem, and I have not changed anything between
the basic installation. (Just install the daily updates)
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@Valentin
when that report have been sent, your system was an dist-upgraded one.
When you need to discover the real problem's source(s) its always better
to start with a fresh installation (to get rid of old settings/profile
that can hugely disturb the system).
As i can see you never did a fresh
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
Wifi slow on Intel Corporation Centrino Ultimate-N 6300
Hello,
This bug is always incomplete or it can be considered as confirmed?
Thank you :)
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Title:
Wifi slow on Intel Corporation
Hello,
1)
Full computer model name: DELL Latitude E6540
With:
16GB of RAM
120GB SSD
Intel Core I5 4200M
Intel Corporation Centrino Ultimate-N 6300
AMD Radeon 8790M (Mars XTX)
2)
BIOS: A15, latest, this not correct anything for the Wireless, but this fix
many bugs like keyboard or usb
Valentin Crone, could you please provide the missing information
following https://wiki.ubuntu.com/Kernel/LinuxWireless ?
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Title:
Valentin Crone, could you please test the latest mainline kernel
(4.2-rc4) and advise to the results?
** Tags added: latest-bios-a15
** Description changed:
- Hello,
- On Intel Corporation Centrino Ultimate-N 6300 who use iwlwifi, the Wifi goes
approximately (in my home) to 15MB/s in up and
I have ever tested this version, the bug is always here.
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Title:
Wifi slow on Intel Corporation Centrino Ultimate-N 6300
Status in
Valentin Crone, please execute the following command, as it will automatically
gather debugging information, in a terminal:
apport-collect 1471794
When reporting bugs in the future please use apport by using 'ubuntu-bug' and
the name of the package affected. You can learn more about this
OK, informations collected.
Now you can set the bug as confirmed?
And thank you for the doc :)
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Title:
Wifi slow on Intel
apport information
** Tags added: apport-collected trusty
** Description changed:
Hello,
On Intel Corporation Centrino Ultimate-N 6300 who use iwlwifi, the Wifi goes
approximately (in my home) to 15MB/s in up and down on Windows 7, but it goes
only to 5 - 6MB/s down, and 1 - 3MB/s up on
Hello,
I have tested for the 4.2 rc2 on my laptop: Max 7MB/s down, and 2MB/s up.
15MB/s on Windows 7 for up and down.
(1m max between the laptop and the AP for the test)
I have set the bug as Confirmed,
Thank you
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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You
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.2 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
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