Bug 1304428 - kernel tainted by OOPS loading batman-adv
Summary: kernel tainted by OOPS loading batman-adv
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: 23
Hardware: x86_64
OS: Linux
Target Milestone: ---
Assignee: Kernel Maintainer List
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2016-02-03 15:07 UTC by Stuart D Gathman
Modified: 2016-02-26 03:57 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2016-02-26 03:57:37 UTC
Type: Bug

Attachments (Terms of Use)
initial oops that tains kernel (3.98 KB, text/plain)
2016-02-03 15:09 UTC, Stuart D Gathman
no flags Details
batman-adv oopses with kernel-4.3.4-300+debug (147.66 KB, text/plain)
2016-02-03 15:43 UTC, Stuart D Gathman
no flags Details

Description Stuart D Gathman 2016-02-03 15:07:03 UTC
Description of problem:
Loading batman-adv module gets oops 

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1.modprobe batman-adv

Actual results:
kernel oops - but module still seems to work fine.  Kernel is tainted, which interferes with reporting other kernel bugs.

Expected results:
clean load

Additional info:
kernel-4.2.8 does not have the problem

Comment 1 Stuart D Gathman 2016-02-03 15:09:54 UTC
Created attachment 1120808 [details]
initial oops that tains kernel

Sorry, this was on 4.3.3-301.  I'll check 4.3.4 soon.

Comment 2 Josh Boyer 2016-02-03 15:27:15 UTC
I reported this upstream.

Comment 3 Stuart D Gathman 2016-02-03 15:43:48 UTC
Created attachment 1120823 [details]
batman-adv oopses with kernel-4.3.4-300+debug

Comment 4 Stuart D Gathman 2016-02-03 18:38:25 UTC
Fixed with kernel-4.3.5-300.bz1303270.fc23.x86_64

Comment 5 Josh Boyer 2016-02-04 07:28:20 UTC
Hm.  I find that surprising.  So with the single patch added and batman-adv loading, the oops goes away?  If so, that's great news but I'm not sure why it would matter.

Comment 6 Stuart D Gathman 2016-02-04 19:33:56 UTC
I haven't tested 4.3.5 without the USB wifi leak patch, so maybe something in 4.3.5 fixed it.  However, maybe the oops is related to the USB wifi leak?  As batman-adv was being used with the USB wifi.

I'll test with 4.3.5-300 (without leak patch) when I get a chance.

Comment 7 Stuart D Gathman 2016-02-26 03:57:37 UTC
I'm on 4.4.2 now, and the oops is still gone.  I don't think I'm going to go back to 4.3.5.  Closing with "current release".

Note You need to log in before you can comment on or make changes to this bug.