F17 Kernel Tainted

KitchiRUs · #1 15th September 2012, 02:40 PM

Hi,

I'm running F17 x86_64 KDE Spin on my computer. This is the output of

Code:

uname -a

Code:

Linux Kitchi 3.5.3-1.fc17.x86_64 #1 SMP Wed Aug 29 18:46:34 UTC 2012 x86_64 x86_64 x86_64 
GNU/Linux

Everytime I switch my wireless on and off using the hardware switch (Fn + F2) abrt pops up telling me my kernel has been tainted.
Does anyone know why this is happening?

stevea · #2 15th September 2012, 02:53 PM

If you load a non-GPL or proprietary driver into the kernel it becomes 'tainted' and this information is (why?) presented to the user for some reason. Maybe you loaded that driver from the OEM website or from rpmfusion, but it didn't come from the Fedora repo. It is very important wrt to copyright law and your legal ability to redistribute the kernel in that state - but its mostly a "don't care for end-users.

KitchiRUs · #3 15th September 2012, 03:14 PM

Well, I dunno. My wireless + hardware switch were working before I setup rpmfusion/any third part repo on my computer. So technically this shouldn't be happening. Although I did enable the fedora non-free components during install. Could that be causing this?

***DBelton*** · #4 15th September 2012, 06:52 PM

Look in /var/log/messages and dmesg and see what module is tainting the kernel. Then you can figure out the why

dmesg | grep taint
cat /var/log/messages | grep taint

One of those should give you a clue as to what is tainting the kernel.

There are several kernel modules that can taint the kernel, I believe virtualbox is one, and some of the wireless network modules, nvidia and amd/ati drivers, etc...

KitchiRUs · #5 15th September 2012, 06:57 PM

So this is the output of

Code:

sudo cat /var/log/messages | grep Taint

Code:

Sep 10 23:44:00 Kitchi kernel: [60578.741165] Pid: 681, comm: NetworkManager Tainted: G         C O 3.5.3-1.fc17.x86_64 #1
Sep 13 22:05:29 Kitchi kernel: [15921.852468] Pid: 694, comm: NetworkManager Tainted: G         C O 3.5.3-1.fc17.x86_64 #1
Sep 14 23:36:35 Kitchi kernel: [55938.193887] Pid: 694, comm: NetworkManager Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 19:03:06 Kitchi kernel: [79281.056864] Pid: 694, comm: NetworkManager Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.319423] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.319559] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.319674] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.319787] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.319899] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.320020] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.320131] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.320241] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.320351] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.320460] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.320569] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.320679] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1                                             
Sep 15 22:56:06 Kitchi kernel: [93254.320788] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1                                             
Sep 15 22:56:06 Kitchi kernel: [93254.320897] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1                                             
Sep 15 22:56:06 Kitchi kernel: [93254.321010] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.321119] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.321227] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.321336] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.321445] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.321553] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.321661] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.321770] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.321878] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.321993] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.322102] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.322210] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.322318] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.322427] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.322535] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.322643] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.322751] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.322859] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.322969] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.323078] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.323186] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.323294] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.323402] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.323510] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.323626] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.323771] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.323927] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.324057] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.324167] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.324276] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.324385] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.324493] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.324604] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.324714] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.324825] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.324933] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.325056] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.325148] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.325240] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.325332] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.325424] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.325517] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.325610] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.325705] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.325799] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.325892] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.325990] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.326082] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.326176] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.326289] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.326397] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.326507] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Sep 15 22:56:06 Kitchi kernel: [93254.326625] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1

So it looks like Network Manager and 'swapper' are tainting the kernel. Is swapper the process that utilizes swap space?
Is this a problem? What exactly does it mean to 'taint' a kernel?

***DBelton*** · #6 15th September 2012, 07:36 PM

No, swapper is not what utilizes swap space.

It is the kernel swapper, which basically delegates CPU time between runnable processes.

Tainting a kernel means there are modules loaded that don't have a proper GPL license, like possibly a binary only module. The license is checked when the modules are loaded, and of it doesn't have a proper license, then /proc/sys/kernel/tainted is OR'd to set it to a non-zero value.

It doesn't affect how the kernel works, really, but you will have a harder time getting bugs fixed from the developers if you are running a tainted kernel. They will tell you to remove the tainted module first, then if you still have problems, file a bug.

Those messages you show above don't really tell what tainted the kernel, just that the kernel has been tainted.

try the same thing using grep -i instead (grep is case sensitive)

dmesg | grep -i taint
cat /var/log/messages | grep taint

Look for a message similar to xxxxxxx taints the kernel

KitchiRUs · #7 15th September 2012, 08:16 PM

So the message is just telling me that swapper is reading a 'tainted' module in the kernel?

I ran

Code:

dmesg | grep -i taint

and

Code:

sudo cat /var/log/messages | grep -i taint

but I didn't get any message that looks similar to " xxxxxxx taints the kernel "

I'm posting the logs anyway.

Code:

[krishna@Kitchi ~]$ dmesg | grep -i taint
[79281.056864] Pid: 694, comm: NetworkManager Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.319423] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.319559] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.319674] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.319787] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.319899] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.320020] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.320131] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.320241] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.320351] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.320460] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.320569] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.320679] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.320788] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.320897] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.321010] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.321119] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.321227] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.321336] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.321445] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1                                                                            
[93254.321553] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1                                                                            
[93254.321661] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1                                                                            
[93254.321770] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.321878] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.321993] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.322102] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.322210] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.322318] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.322427] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.322535] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.322643] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.322751] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.322859] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.322969] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.323078] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.323186] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.323294] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.323402] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.323510] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.323626] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.323771] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.323927] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.324057] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.324167] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.324276] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.324385] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.324493] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.324604] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.324714] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.324825] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.324933] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.325056] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.325148] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.325240] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.325332] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.325424] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.325517] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.325610] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.325705] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.325799] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.325892] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.325990] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.326082] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.326176] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.326289] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.326397] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.326507] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
[93254.326625] Pid: 0, comm: swapper/0 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1

EDIT: The /var/log/messages was exactly the same as before, so I haven't posted those.

Thanks!

jpollard · #8 15th September 2012, 08:27 PM

More likely NetworkManager loaded a wireless module that tainted the kernel.

Another common module are proprietary video modules.

swapper can't do it as it is built into the kernel.

The message only gives the state of the kernel.

***DBelton*** · #9 15th September 2012, 09:07 PM

I agree. it probably is a wireless module, but usually there is some message (other than abrt) when it gets loaded stating that it is tainting the kernel.

I believe the 3 most common one in Fedora are wireless modules, nvidia/ati video driver modules and virtualbox modules.

Did the abrt message by chance tell you what tainted the kernel, or just that your kernel is tainted?

KitchiRUs · #10 16th September 2012, 06:02 PM

Something quite strange just happened. I rebooted my machine this morning, and when I tried to reproduce the bug, I couldn't! I haven't updated my system since the last reboot, so it can't be that.

I'll check this again later today and update you guys.

--
I deleted the abrt log once I saw it, since I didn't really understand what it meant and abrt told me that these weren't file-able bugs. But if I do see it again, I'll post it here.

Thanks!

---------- Post added at 07:36 PM ---------- Previous post was at 03:54 PM ----------

I did manage to reproduce the problem - And this is what abrt said :

This was under the 'reason' tab :

Code:

WARNING: at net/mac80211/driver-ops.h:12 ieee80211_bss_info_change_notify+0x2b2/0x2c0 [mac80211]()

And this was the backtrace:

Code:

WARNING: at net/mac80211/driver-ops.h:12 ieee80211_bss_info_change_notify+0x2b2/0x2c0 [mac80211]()
Hardware name: Dell System XPS L502X
wlan0:  Failed check-sdata-in-driver check, flags: 0x4
Modules linked in: vboxpci(O) vboxnetadp(O) vboxnetflt(O) rfcomm vboxdrv(O) bnep lockd sunrpc nf_conntrack_ipv4 ip6t_REJECT nf_defrag_ipv4 nf_conntrack_ipv6 nf_defrag_ipv6 bbswitch(O) xt_state ip6table_filter ip6_tables nf_conntrack snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev media btusb snd_timer arc4 bluetooth iwlwifi snd mac80211 r8169 mii cfg80211 rfkill coretemp i2c_i801 kvm_intel kvm soundcore dell_laptop mei lpc_ich mfd_core dell_wmi sparse_keymap dcdbas microcode uinput binfmt_misc crc32c_intel ghash_clmulni_intel mxm_wmi wmi ttm i915 video i2c_algo_bit drm_kms_helper drm i2c_core [last unloaded: nouveau]
Pid: 654, comm: NetworkManager Tainted: G         C O 3.5.3-1.fc17.x86_64 #1
Call Trace:
 [<ffffffff810584bf>] warn_slowpath_common+0x7f/0xc0
 [<ffffffff810585b6>] warn_slowpath_fmt+0x46/0x50
 [<ffffffffa037b8d2>] ieee80211_bss_info_change_notify+0x2b2/0x2c0 [mac80211]
 [<ffffffffa037b9c3>] ieee80211_ifa_changed+0xe3/0x100 [mac80211]
 [<ffffffff816108ad>] notifier_call_chain+0x4d/0x70
 [<ffffffff81081748>] __blocking_notifier_call_chain+0x58/0x80
 [<ffffffff81081786>] blocking_notifier_call_chain+0x16/0x20
 [<ffffffff815664fc>] __inet_del_ifa+0x15c/0x2b0
 [<ffffffff8156677a>] inet_rtm_deladdr+0x10a/0x160
 [<ffffffff8150f084>] rtnetlink_rcv_msg+0x114/0x2f0
 [<ffffffff8150ef70>] ? __rtnl_unlock+0x20/0x20
 [<ffffffff81528191>] netlink_rcv_skb+0xa1/0xb0
 [<ffffffff8150c3b5>] rtnetlink_rcv+0x25/0x40
 [<ffffffff81527b0d>] netlink_unicast+0x19d/0x220
 [<ffffffff81527e82>] netlink_sendmsg+0x2f2/0x370
 [<ffffffff814e7e28>] sock_sendmsg+0xf8/0x130
 [<ffffffff814e7c9d>] ? sock_recvmsg+0xfd/0x130
 [<ffffffff81182d35>] ? mem_cgroup_bad_page_check+0x25/0x30
 [<ffffffff8112cded>] ? free_pages_prepare+0x8d/0x130
 [<ffffffff814e8ffa>] ? move_addr_to_kernel+0x5a/0xc0
 [<ffffffff814f5346>] ? verify_iovec+0x56/0xd0
 [<ffffffff814e826c>] __sys_sendmsg+0x3ac/0x3c0
 [<ffffffff81063a7d>] ? __do_proc_dointvec.isra.5+0x2ad/0x360
 [<ffffffff811c514b>] ? fsnotify+0x24b/0x340
 [<ffffffff81173479>] ? kfree+0x49/0x160
 [<ffffffff811a4d86>] ? mntput_no_expire+0x46/0x130
 [<ffffffff814e9f39>] sys_sendmsg+0x49/0x90
 [<ffffffff81614ae9>] system_call_fastpath+0x16/0x1b

---------- Post added at 10:32 PM ---------- Previous post was at 07:36 PM ----------

So it randomly happened again, without me switching off and on my wireless via the hardware key.

This was the backtrace from abrt -

Code:

 WARNING: at drivers/net/wireless/iwlwifi/iwl-agn-tx.c:1179 iwlagn_rx_reply_tx+0x941/0x970 [iwlwifi]()
Hardware name: Dell System XPS L502X
Modules linked in: fuse usb_storage vboxpci(O) vboxnetadp(O) vboxnetflt(O) rfcomm vboxdrv(O) bnep lockd sunrpc nf_conntrack_ipv4 ip6t_REJECT nf_defrag_ipv4 nf_conntrack_ipv6 nf_defrag_ipv6 bbswitch(O) xt_state ip6table_filter ip6_tables nf_conntrack snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev media btusb snd_timer arc4 bluetooth iwlwifi snd mac80211 r8169 mii cfg80211 rfkill coretemp i2c_i801 kvm_intel kvm soundcore dell_laptop mei lpc_ich mfd_core dell_wmi sparse_keymap dcdbas microcode uinput binfmt_misc crc32c_intel ghash_clmulni_intel mxm_wmi wmi ttm i915 video i2c_algo_bit drm_kms_helper drm i2c_core [last unloaded: nouveau]
Pid: 0, comm: swapper/2 Tainted: G        WC O 3.5.3-1.fc17.x86_64 #1
Call Trace:
 <IRQ>  [<ffffffff810584bf>] warn_slowpath_common+0x7f/0xc0
 [<ffffffff8105851a>] warn_slowpath_null+0x1a/0x20
 [<ffffffffa04776d1>] iwlagn_rx_reply_tx+0x941/0x970 [iwlwifi]
 [<ffffffffa0482007>] iwl_rx_dispatch+0xb7/0x120 [iwlwifi]
 [<ffffffffa048fd10>] iwl_irq_tasklet+0x790/0xb00 [iwlwifi]
 [<ffffffff81061403>] tasklet_action+0x63/0xd0
 [<ffffffff81060e90>] __do_softirq+0xc0/0x1e0
 [<ffffffff8101a953>] ? native_sched_clock+0x13/0x80
 [<ffffffff81615edc>] call_softirq+0x1c/0x30
 [<ffffffff81015225>] do_softirq+0x75/0xb0
 [<ffffffff81061265>] irq_exit+0xb5/0xc0
 [<ffffffff81616733>] do_IRQ+0x63/0xe0
 [<ffffffff8160cdaa>] common_interrupt+0x6a/0x6a
 <EOI>  [<ffffffff810a71a4>] ? ktime_get+0x64/0xe0
 [<ffffffff8132b55a>] ? intel_idle+0xea/0x150
 [<ffffffff8132b53b>] ? intel_idle+0xcb/0x150
 [<ffffffff814baa39>] cpuidle_enter+0x19/0x20
 [<ffffffff814bb059>] cpuidle_idle_call+0xa9/0x240
 [<ffffffff8101c55f>] cpu_idle+0xaf/0x120
 [<ffffffff815fb205>] start_secondary+0x248/0x24a

And this was under the 'reason' tab :

Code:

{WARNING: at drivers/net/wireless/iwlwifi/iwl-agn-tx.c:1179 iwlagn_rx_reply_tx+0x941/0x970 [iwlwifi]()

***DBelton*** · #11 16th September 2012, 06:07 PM

Well, it appears you aren't alone there.

I found three three bugs filed on the same thing.

https://bugzilla.redhat.com/show_bug.cgi?id=852540
https://bugzilla.redhat.com/show_bug.cgi?id=810657
https://bugzilla.redhat.com/show_bug.cgi?id=849478

Found a bug pertaining to the top one as well:

https://bugzilla.redhat.com/show_bug.cgi?id=788012

KitchiRUs · #12 16th September 2012, 06:14 PM

Right... thanks!

I'll just hope that someone figures out how to fix this, then.

***DBelton*** · #13 16th September 2012, 06:21 PM

I haven't looked on the kernel bug zapper to see if it's shown there or not. It's possible there is a fix, but just not back ported to the kernels Fedora uses.

KitchiRUs · #14 16th September 2012, 06:23 PM

So I'll go look there over the next few days whenever I can, and post back here.