JamesE, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1262388/comments/46
regarding this being fixed with an update. For future reference you can
manage the status of your own bugs by clicking on the current status in
the yellow line
penalvch, I've now been on 14.04 LTS since it came out, and my wifi is
100% stable. This is without patches or workarounds etc.
Consider this issue closed.
Thank you for all your help!
James.
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JamesE, could you please test the latest Trusty release via
http://releases.ubuntu.com/trusty/ and advise to the results?
Joel Schopp, please do not close this report until it is resolved for
the original reporter (JamesE).
** Changed in: linux (Ubuntu)
Status: Fix Released = Incomplete
This seems to be fixed now. I am running with n mode and power saving
with no problems as of 14.04, more specifically:
jschopp@p55t:~$ uname -a
Linux p55t 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64
x86_64 x86_64 GNU/Linux
** Changed in: linux (Ubuntu)
Status:
Managed to get the wifi stable by disabling n and power savings.
sudo vi /etc/modprobe.d/iwlwifi-disable11n.conf
Add this line: options iwlwifi 11n_disable=1
powertop to set Wireless Power Saving for interface wlan0 off
uname -a
Linux p55t 3.13.0-20-generic #42-Ubuntu SMP Fri Mar 28 09:56:33 UTC
Also worth noting this related bug with the same wifi adapter:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1289961
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https://bugs.launchpad.net/bugs/1262388
Title:
This is a well known issue with Intel WiFi adapters (on both Linux and
Windows).
The only reliable workaround I've found is to disable 802.11n:
1. Open terminal.
2. sudo vi /etc/modprobe.d/iwlwifi-disable11n.conf
3. Add this line: options iwlwifi 11n_disable=1
4. Save and restart.
I've had this
** Tags added: kernel-stable-key
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Title:
8086:08b1 [Toshiba Satellite P55-A5312] Intel 7260 Wifi regularly
crashes
Status in
Before this firmware upgrade, bluetooth was OK. Now, I can't use
bluetooth anymore (Intel 7260 chipset provides both Wifi and Bluetooth.
On my computer at least). I'm not sure the problem is related, I need to
test it furthermore.
I'll post more information on this bug report soon.
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Adrien loxq, thank you for your comment. As you are not the original reporter,
this report is not covering your hardware or problem. Despite this, so your
hardware and problem may be tracked, please feel free to file a new report with
Ubuntu by executing the following in a terminal while booted
penalvch, I've been running with the iwlwifi patch + the new 22.1.7.0 7260
firmware for the past few days, and I haven't seen a single error written to
dmesg, ie. it's been running flawlessly!
Therefore, unless you'd like to test further, please feel free to close this
issue!
Following
Hi,
For information,
I'm experiencing the same Microcode SW error detected problem with Intel 7260
wifi chipset. I've installed the firmware given by JamesE in comment #35 and I
confirm the connectivity is much more stable. No more disconnect in 1 hour.
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penalvch, thank you for your patience. The URL in your last post looks
to be for the 3160 card, whereas I have the 7260. So I have instead
downloaded the version from
http://wireless.kernel.org/en/users/Drivers/iwlwifi?action=AttachFiledo=gettarget=iwlwifi-7260-ucode-22.1.7.0.tgz,
and upgraded
penalvch, later today internet download speed became significantly
reduced -- although connectivity was not lost. I looked in dmesg to see
the following trace repeating over and over again:
[28021.389611] ieee80211 phy0: Hardware restart was requested
[28021.389995] iwlwifi :02:00.0: L1
JamesE, thank you for your comment. Keeping everything else the same,
please do update the firmware to
http://wireless.kernel.org/en/users/Drivers/iwlwifi?action=AttachFiledo=gettarget=iwlwifi-3160-ucode-22.1.7.0.tgz
and we can see if it gets better or worse in comparison to your most
recent test.
penalch, I've been trying this custom kernel for the past 2 days, and
I've yet to notice any wifi disconnects or errors in the log. NOTE:
This is with the original 10/21/2013 firmware, too.
I'll monitor wifi stability over the next week or so -- and will report
it if I find further issues -- but
** Tags removed: regression-potential
** Tags added: cherry-pick
** Changed in: linux (Ubuntu)
Importance: Low = High
** Changed in: linux (Ubuntu)
Status: Incomplete = Triaged
** Changed in: linux (Ubuntu)
Milestone: None = ubuntu-14.04-feature-freeze
** Description changed:
-
penavlch, The new git clone command worked OK last night. However, I
think the commit status of the fix I'm checking out has changed, because
I now get:
jamesmeast:~/linux$ git checkout 755ca0109f973f23fced94f8dcd8c60e013f270a
fatal: reference is not a tree:
JamesE, thank you for your comments. Try:
sudo apt-get -y install git build-essential kernel-package fakeroot
libncurses5-dev cd $HOME git clone
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git cd linux
git checkout 6960a059b2c618f32fe549f13287b3d2278c09e9 cp
penalvch, at last the custom kernel build worked OK! I am now running a custom
version:
jamesmeast:~$ uname -a
Linux Rogan-Josh-JME 3.12.0-custom #1 SMP Sun Dec 29 13:28:56 EST 2013 x86_64
x86_64 x86_64 GNU/Linux
However, I was expecting the time/date of the 7260 firmware to change to
today's
JamesE, thank you for your comments. As the commit you just built
doesn't adjust the firmware at all as noted in
http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-
trusty.git;a=commitdiff;h=6960a059b2c618f32fe549f13287b3d2278c09e9 the
expectation is the firmware would not change, while the potential
penalvch, thank you for confirming what the commit was for.
I have now reverted back to the original firmware from Ubuntu. FYI, the
firmware is dated 10/21/2013. I will let you know how I get on in due
course.
Thank you!
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penalvch, sorry but the command failed at the point of cloning the linux
repository. To make it clear what the error is, I've run the git clone
command on its own:
jamesmeast:~$ git clone
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-stable.git
Cloning into 'linux-stable'...
JamesE, my bad, I don't know where I got that bunk git link from. The correct
command is:
sudo apt-get -y install git build-essential kernel-package fakeroot
libncurses5-dev cd $HOME git clone
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git cd
linux-stable git
penalvch, sorry but on the make -j.. command I get loads of the
following errors referring to what appears to be a corrupt generated
arch/x86/include/generated/asm/syscalls_64.h file:
JamesE, you did everything correct in terms of following the build instructions
verbatim at https://wiki.ubuntu.com/KernelTeam/GitKernelBuild . Instead of
attempting a build debug, you could try building against the mainline kernel
via:
sudo apt-get -y install git build-essential kernel-package
penalvch, I apologize for the delay getting back to you.
A couple days' ago, I tried making the wireless backport code for 3.12,
but I immediately got several errors in the C compilation. I am sorry,
but I can't give you the errors right now as I'm at work, but I remember
they were to do with a
JamesE, thank you for your comments. The commit you noted landed in 3.12.6 of
linux-stable as per:
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?h=linux-3.12.yid=755ca0109f973f23fced94f8dcd8c60e013f270a
Given this, it would be helpful if we tested this patch out
maybe helps futher info about signal strength and frequency
wlan0 IEEE 802.11bgn ESSID:
Mode:Managed Frequency:2.462 GHz Access Point: 00:90:4C:91:00:01
Bit Rate=6 Mb/s Tx-Power=0 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Same problem with this wireless card (7260 rev 73)
Ubuntu stable 13.10, kernel 3.11.0-14-generic #21-Ubuntu SMP.
after firmware upgrade to 22.1.7.0 it is much better and problems occurs only
when:
a) too much AP's around me (office)
b) 5 meter away from AP (signal strength is low, in Win8 works
Roman, thank you for your comment. So your hardware may be tracked, could you
please file a new report by executing the following in a terminal while booted
into a Ubuntu repository kernel (not a mainline one) via:
ubuntu-bug linux
For more on this, please read the official Ubuntu
I am sorry for the ambiguity. I initially installed an official 13.10
release (totally wiping over my previous 12.04 install). But the first
time I checked for updates, it immediately upgraded me to 14.04 -- even
though the System About box from the gnome desktop still tells me I'm
on 13.10!
I
JamesE, thank you for the requested information. It is understood that
when you test the live environment of both 13.10 and 14.04 it works, but
when installed and it crashes.
Given that according to
http://wireless.kernel.org/en/users/Drivers/iwlwifi your card is
supported on kernel series
I'm not sure I would say it 100% works in the 13.10 live environment. I
just noticed that iwlwifi didn't crash while testing for a number of
hours. Even when the crash did occur on my installed 14.04, I'd been
running it without crashes for a significantly longer period of time
than the live
JamesE, instructions on building may be found at
https://backports.wiki.kernel.org/index.php/Documentation .
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https://bugs.launchpad.net/bugs/1262388
Title:
8086:08b1
JamesE, thank you for your comments. Let us reopen this, and reassign to
linux (Ubuntu) given it's fully reproducible in a default install, as
well as the linux-lts-raring (Ubuntu) package.
With this in mind, your call trace notes:
3.12.0-7-generic
Did you mean stock Trusty/14.04?
As well, did
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