can you try to re-enabled 11n and disable powersave:
sudo iw wlan0 set power_save off?
thanks
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Title:
can someone have a sniffer capture of this? This would be very useful.
One more point - if you can increase the debug level of the supplicant, this
would be nice.
Also, there are 2 -8 firmware. One is 22.15.8.0, the other one is 22.24.8.0.
Can you please let me know which one you are using?
The
any suggestions to fix the lie are welcome :)
The thing is that MODULE_FIRMWARE can't really check what firmware has
been loaded.
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No it is not strange.
This bug affects a few users only. I bet it is related to the AP model.
Can the people who suffer from the bug send the details of their AP ?
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Daniel, if you don't have issues, this is not very useful...
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Title:
iwlwifi-7260-8.ucode causes network disconnections
This new firmware won't work on 3.13 as written explicitly in
wireless.kernel.org.
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Title:
[Feature] WiFi support in
Ok - I'd like to see the dmesg output of someone who has the uAPSD fix.
If possible, I'd like to test this:
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c
b/drivers/net/wireless/iwlwifi/mvm/power.c
index 550824a..07b8653 100644
--- a/drivers/net/wireless/iwlwifi/mvm/power.c
+++
Yes Seth - I was meaning the dmesg output from a machine experiencing
the problem.
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Title:
iwlwifi-7260-8.ucode causes
I have collected all the APs' reference and communicated them to our
testing team. We will try to reproduce internally.
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Can someone tell me what are the IWLWIFI related CONFIG options enabled?
I'd like to make sure that IWLWIFI_BCAST_FILTERING is not enabled.
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I just checked here: http://kernel.ubuntu.com/~kernel-
ppa/configs/trusty/i386-config.flavour.generic
seems ok
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Title:
So I was wrong - 3.13 can get -9.ucode. I though 3.13 was too old, but
it is ok and I touch tested it.
Can someone check this?
Just need to update the iwl-7000.c and update the firmware.
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Note also this similar bug:
https://bugzilla.redhat.com/show_bug.cgi?id=1087717
** Bug watch added: Red Hat Bugzilla #1087717
https://bugzilla.redhat.com/show_bug.cgi?id=1087717
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Ok I think I have an idea of what is going on now:
Seth, can we have a build with this:
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index cd6ea2e..17c097d 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++
** Patch added: 0001-iwlwifi-mvm-disable-beacon-filtering.patch
https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1293569/+attachment/4114992/+files/0001-iwlwifi-mvm-disable-beacon-filtering.patch
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Seth,
I think the patch above is safe for 3.13. I don't know how to upstream
that since it is fixed in 3.15 and this basically means that I need a
patch in 3.13 / 3.14 which won't be in Linus's tree ever... But that's
just a dev process issue. From a technical POV, this patch should go in
3.13.
Patch has been sent to stable and Greg said he would pick it up:
http://www.spinics.net/lists/stable/msg46075.html
I have other reports saying that the patch doesn't all the issues, but it
should clean quite a few problems.
Seth - what supplicant do we have in 14.04?
There might be supplicant
I know there are tons of issues with this supplicant. These issues were fixed
by a bunch of people.
Please consider downgrading the supplicant or taking the latest
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Good.
Thank you for testing.
@Seth - I think you should take
commit 12d423e816c69b0b4457bc047dda9a0a1c1a53c1
Author: Ilan Peer ilan.p...@intel.com
Date: Tue Dec 24 22:08:14 2013 +0200
iwlwifi: mvm: Add a missed beacons threshold
in 3.13.
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@Seth,
This patch adds a grace period before disconnecting from the AP if we didn't
hear the beacons. This problem (not hearing beacons) was critical in our tests
in P2P Client flows, less in BSS, but still.
It avoids disconnections by giving the firmware more change to catch up on
beacons
incredible!
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Title:
iwlwifi firmware error: 0x0038 | BAD_COMMAND
Status in “linux” package in Ubuntu:
Invalid
Bug
This seems to have been fixed upstream - when can we get the backport of
the fixes for 12.04?
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https://bugs.launchpad.net/bugs/1093651
Title:
8086:0042 live session,
Are you sure you have the right kernel?
If you delete -8.ucode and fallback to -7.ucode, does the problem disappear?
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Title:
you may want to look at https://bugzilla.kernel.org/show_bug.cgi?id=78101
In this case, the bug is in the AP.
** Bug watch added: Linux Kernel Bug Tracker #78101
http://bugzilla.kernel.org/show_bug.cgi?id=78101
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One more thing you can do is to try a newer kernel + newer firmware.
3.16-rc6 would be a good choice or at least 3.15.X
You can also work with backport which will allow you to stay with your
current stable and yet to have the latest wireless stack.
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Please test the patch attached
** Patch added: 0001-iwlwifi-dvm-drop-non-VO-frames-when-flushing.patch
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1361809/+attachment/4225153/+files/0001-iwlwifi-dvm-drop-non-VO-frames-when-flushing.patch
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** Patch added: 0001-iwlwifi-dvm-drop-non-VO-frames-when-flushing.patch
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1305406/+attachment/4225150/+files/0001-iwlwifi-dvm-drop-non-VO-frames-when-flushing.patch
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** Patch added: 0001-iwlwifi-dvm-drop-non-VO-frames-when-flushing.patch
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1356236/+attachment/4225151/+files/0001-iwlwifi-dvm-drop-non-VO-frames-when-flushing.patch
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** Patch added: 0001-iwlwifi-dvm-drop-non-VO-frames-when-flushing.patch
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1360597/+attachment/4225152/+files/0001-iwlwifi-dvm-drop-non-VO-frames-when-flushing.patch
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Please test the patch attached
** Patch added: 0001-iwlwifi-dvm-drop-non-VO-frames-when-flushing.patch
** Patch added: 0001-iwlwifi-dvm-drop-non-VO-frames-when-flushing.patch
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1328345/+attachment/4225157/+files/0001-iwlwifi-dvm-drop-non-VO-frames-when-flushing.patch
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FWIW - Seth seems to have picked up the patch already:
https://patchwork.kernel.org/patch/5033871/
users on bugzilla gave good feedback on this patch already, but I'd be
glad to get more testing.
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Note that this bug has been reported to be fixed by the proposed patch.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1361809/comments/7
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This has nothing to do with wireless.
IMHO, this bug should be closed...
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Title:
iwlwifi :01:00.0: fail to flush all
yest and it has been picked-up for 3.16 ( I got an email from Luis H. about
this).
I don't know the timeline of the push to users though.
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@Seth:
Thanks for the clarification.
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Title:
iwlwifi :01:00.0: fail to flush all tx fifo queues Q 2
Status in The
There is an easier solution: update the driver.
3.13 is old and it uses and old firmware.
You can update your driver with the help of backport and it will dramatically
improve the behavior of WiFi.
I also tested 3.16 (14.10) and latest driver with backport. The latest backport
behaves *much*
of course not.
This patch is relevant for older devices. Not for 7260.
There is a similar patch for 7260 that is on its way upstream.
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sorry - I was confused.
This is indeed a stuck queue.
In any case, this is not the same device as the one for which this bug was
opened.
You are using a different driver (iwlmvm as opposed to iwldvm).
If you are ready to help debugging this, you can open a bug on
bugzilla.kernel.org.
Please
@madmaze - this is different.
You are seeing a NMI_WDG and then the queues get stuck. This a different issue.
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Title:
https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi/core_release
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https://bugs.launchpad.net/bugs/1354975
Title:
iwlwifi Intel 7260 Wifi disconnects
Status
Intel just released this page, which can be helpful. I don't think that
replacing the supplicant is a must. But using the latest driver /
firmware seems to be helpful
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There are a number of issues.
Can you please record tracing of this?
I would also appreciate if you could open a bug on kernel.org. It would
reduce the number of bug DBs I have to follow.
This is clearly a bug in the iwlwifi driver which I'd like to debug.
FWIW: I am the maintainer of that
This is an electrical problem. I can't do anything about it.
https://bugzilla.kernel.org/show_bug.cgi?id=91171
https://bugzilla.kernel.org/show_bug.cgi?id=107431
https://bugzilla.kernel.org/show_bug.cgi?id=110621
and others...
** Bug watch added: Linux Kernel Bug Tracker #91171
** Also affects: ubuntux via
http://bugzilla.kernel.org/195299
Importance: Unknown
Status: Unknown
** Project changed: ubuntux => ubuntu
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The patches are included in our backport tree.
You have the steps on how to use our backport tree here:
https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi/core_release
Note that the fix I made is targeted to 7265D devices and up. I can't see how
it can work on 7260, and TBH, I don't see
Please report this issue on bugzilla.kernel.org and add
linuxw...@intel.com to the bug.
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Title:
linux-firmware 1.173.1
please report this NULL pointer exception to bugzilla.kernel.org and CC
linuxw...@intel.com to the bug.
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Title:
kernel NULL pointer
was already reported: https://bugzilla.kernel.org/show_bug.cgi?id=200855
** Bug watch added: Linux Kernel Bug Tracker #200855
https://bugzilla.kernel.org/show_bug.cgi?id=200855
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I just pushed a firmware that should fix this.
Please try our latest version from
https://git.kernel.org/cgit/linux/kernel/git/iwlwifi/linux-firmware.git/plain/iwlwifi-8265-36.ucode
This firmware is not upstream yet. I sent the pull request today.
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Dmesg output is needed.
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Title:
iwlwifi Microcode SW error detected. Restarting 0x200.
Status in linux-firmware
Ok, this firmware is fairly old.
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Title:
iwlwifi Microcode SW error detected. Restarting 0x200.
Status in
Josh just pushed out the new firmware in mainline's linux-firmware.git.
So, Ubuntu team, please pick the latest firmware from there.
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Hi Seth,
we debugged this and we found out that d0i3 was not disabled in iwlwifi.
This is a kind of power saving thing that requires integration with the
platform / kernel that should be enabled only for specific platform. Not
something that should be enabled in a distribution kernel.
May I suggest you leave a comment on the blog to prevent the next reader
from doing the same thing?
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Title:
iwlwifi Intel
Fix is here:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1c6bca6d75bca2cc47b5eafb9f7f16e368ffbeca
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Stefan, please file a bug on Intel. You shouldn't have to disable bt
coex.
https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi/debugging
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You can open a bug on intel.
Check this link to see how:
https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi/debugging
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