2015-09-02 15:48:51

by Jes Sorensen

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Subject: iwlwifi lockup problems


Hi,

Since a while I have been experiencing issues with iwlwifi locking up
requiring me to reconnect to my home AP. This happens both when
connecting on 2.4GHz and on 5GHz.

This is a Fedora kernel 4.1.6-200.fc22.x86_64, but checking
linux-2.6.git I see no updates to the driver since late July, so I
suspect it's uptodate on that front. I have been experiencing this issue
for about a month or so.

Attached dmesg output and the relevant portion of iw scan for the AP I
was connected to at the time.

Jes


Attachments:
iwl-2.log (113.46 kB)
ap.log (1.99 kB)
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2015-09-03 05:45:27

by Luca Coelho

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Subject: Re: iwlwifi lockup problems

Hi,

Emmanuel replied to this offline, accidentally. Just for the record,
I'll add the information here too.

On Wed, 2015-09-02 at 11:48 -0400, Jes Sorensen wrote:
> Since a while I have been experiencing issues with iwlwifi locking up
> requiring me to reconnect to my home AP. This happens both when
> connecting on 2.4GHz and on 5GHz.
>
> This is a Fedora kernel 4.1.6-200.fc22.x86_64, but checking
> linux-2.6.git I see no updates to the driver since late July, so I
> suspect it's uptodate on that front. I have been experiencing this issue
> for about a month or so.
>
> Attached dmesg output and the relevant portion of iw scan for the AP I
> was connected to at the time.

There are some known problems of the queues getting stuck with version
-12 of our firmware. The recommendation when this problem is observed
is to upgrade to version -13, which should probably be provided by your
distro already, but if not, it can be taken from the linux-firmware git
tree:

http://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git

--
Cheers,
Luca.