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Tasklist

FS#46499 - [linux] Network card turned off when opening laptop

Attached to Project: Arch Linux
Opened by Britt Yazel (brittyazel) - Wednesday, 30 September 2015, 16:36 GMT
Last edited by Gerardo Exequiel Pozzi (djgera) - Tuesday, 29 March 2016, 01:54 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To Tobias Powalowski (tpowa)
Thomas Bächler (brain0)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

I am not sure what has spawned this in the last two days, but recently when opening my laptop, my wireless card has been shut off. This doesn't happen with suspend, but only physically shutting the laptop lid.

I noticed that gnome-control-center had changes affecting nm-applet, but perhaps this change was in NetworkManager, or maybe even in the Kernel. Please pardon me if this is the wrong package.

For the record, I have a Dell XPS 13, 9333, with an intel wireless card, and I am using Gnome 3.16.3
This task depends upon

Closed by  Gerardo Exequiel Pozzi (djgera)
Tuesday, 29 March 2016, 01:54 GMT
Reason for closing:  Upstream
Comment by Britt Yazel (brittyazel) - Thursday, 01 October 2015, 17:17 GMT
I actually think this issue might be with Systemd. Is there anyway to get that team attached to this bug?
Comment by Doug Newgard (Scimmia) - Saturday, 03 October 2015, 04:39 GMT
And what is in the log?
Comment by Britt Yazel (brittyazel) - Saturday, 03 October 2015, 23:01 GMT
Which log/where can I check?
Comment by Doug Newgard (Scimmia) - Sunday, 04 October 2015, 04:34 GMT
use journalctl
Comment by Britt Yazel (brittyazel) - Sunday, 04 October 2015, 09:09 GMT
Right after opening my screen back up, I get these messages:

Oct 04 01:52:52 archbook systemd-sleep[18101]: System resumed.
Oct 04 01:52:52 archbook NetworkManager[346]: <info> WiFi now disabled by radio killswitch

So it seems that upon resume my radio is now being disabled by a killswitch of some sort, that had never happened before in the year or so that I have been using it with Archlinux.

Attached is the full journalctl log in reverse chronological order

   journalctl (85.7 KiB)
Comment by Britt Yazel (brittyazel) - Friday, 09 October 2015, 04:05 GMT
New development. Installing the Linux-LTS kernel (4.1.X) fixes this issue. So it must be something in the 4.2.x kernel tree. I have already tested with the 4.2.3 in [testing] and can report that the issue persists.

Is it possible to reassign this to the kernel maintainers to take a look at?
Comment by Britt Yazel (brittyazel) - Saturday, 26 March 2016, 19:56 GMT
This issue has been reported upstream here:

https://bugzilla.kernel.org/show_bug.cgi?id=106031

It was a new module, the dell_rbtn module that was causing this issue. Some sort of key press is broadcast when the screen opens and shuts on my laptop to which this new module was interpreting as a wifi on/off toggle. They have said they will fix it, but have given no timetable.
Blacklisting dell_rbtn for the time being is working fine.

Please close this bug, as it is not an Archlinux concern and will be fixed upstream eventually.

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