Bug 741208

Summary: [abrt] kernel: WARNING: at net/wireless/core.c:633 wdev_cleanup_work+0x52/0xbd [cfg80211](): TAINTEDProprietary Module
Product: [Fedora] Fedora Reporter: David Kovalsky <dkovalsk>
Component: kernelAssignee: John W. Linville <linville>
Status: CLOSED NEXTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 14CC: benl, gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda, sgruszka
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard: abrt_hash:2073374151
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-10-03 15:19:09 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Attachments:
Description Flags
File: backtrace none

Description David Kovalsky 2011-09-26 09:33:21 UTC 
abrt version: 1.1.18
architecture: x86_64
cmdline: not_applicable
comment: I've recently updated to kernel-2.6.35.14-97.fc14.x86_64 from updates-testing
component: kernel
executable: kernel
kernel: 2.6.35.14-97.fc14.x86_64
package: kernel
reason: WARNING: at net/wireless/core.c:633 wdev_cleanup_work+0x52/0xbd [cfg80211]()
release: Fedora release 14 (Laughlin)
tainted: 1
time: 1317029341
uid: 0

backtrace
-----
WARNING: at net/wireless/core.c:633 wdev_cleanup_work+0x52/0xbd [cfg80211]()
Hardware name: 4391AL7
Modules linked in: xhci_hcd tun fuse ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat bridge stp llc rfcomm sco bnep l2cap cpufreq_ondemand sunrpc acpi_cpufreq freq_table mperf xt_physdev ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables xfs exportfs ext2 sha256_generic cbc cryptd aes_x86_64 aes_generic xts gf128mul dm_crypt kvm_intel kvm uinput ipv6 nvidia(P) snd_hda_codec_nvhdmi arc4 snd_hda_codec_conexant ecb iwlagn snd_hda_intel snd_hda_codec snd_hwdep btusb bluetooth snd_seq iwlcore mac80211 cfg80211 uvcvideo thinkpad_acpi snd_seq_device rfkill i7core_edac snd_pcm e1000e snd_timer i2c_i801 videodev wmi snd v4l2_compat_ioctl32 snd_page_alloc edac_core joydev iTCO_wdt iTCO_vendor_support soundcore i2c_core microcode firewire_ohci sdhci_pci firewire_core sdhci mmc_core crc_itu_t video output [last unloaded: coretemp]
Pid: 939, comm: cfg80211 Tainted: P            2.6.35.14-97.fc14.x86_64 #1
Call Trace:
 [<ffffffff8104dcb1>] warn_slowpath_common+0x85/0x9d
 [<ffffffff8104dce3>] warn_slowpath_null+0x1a/0x1c
 [<ffffffffa01d24c7>] wdev_cleanup_work+0x52/0xbd [cfg80211]
 [<ffffffff81062bad>] worker_thread+0x1c5/0x251
 [<ffffffffa01d2475>] ? wdev_cleanup_work+0x0/0xbd [cfg80211]
 [<ffffffff81066a0b>] ? autoremove_wake_function+0x0/0x39
 [<ffffffff810629e8>] ? worker_thread+0x0/0x251
 [<ffffffff81066571>] kthread+0x7f/0x87
 [<ffffffff8100aaa4>] kernel_thread_helper+0x4/0x10
 [<ffffffff810664f2>] ? kthread+0x0/0x87
 [<ffffffff8100aaa0>] ? kernel_thread_helper+0x0/0x10

How to reproduce
-----
1. Cought this absolutely randonmly during shutdown (actually, after I booted back)
2. Not reproducible. I did a shutdown as at least 100 times before.
Comment 1 David Kovalsky 2011-09-26 09:33:24 UTC 
Created attachment 524869 [details]
File: backtrace
Comment 2 Dave Jones 2011-09-26 16:17:04 UTC 
that's this ..

        if (WARN_ON(rdev->scan_req && rdev->scan_req->dev == wdev->netdev)) {

John ?

(Note David filed several other nvidia related bugs which indicated kernel memory corruption, so this might be a red herring).
Comment 3 David Kovalsky 2011-09-26 16:40:45 UTC 
A bit more info - the NVidia memory curruptor bugs were from one single boot. First the corruptor bug, then a bunch of bad page and related.


This one if from a boot where I haven't seen anything similar. The system was running smootly without any crashes or faults and this popped up during shutdown. 

Likely not related but in case it helps: I did stress the system a lot as I was compiling and also copying data from one luks device to another. Then shutdown.
Comment 4 Stanislaw Gruszka 2011-10-03 15:19:09 UTC 
This problem is fixed in 2.6.37 kernel and newer, we will not backport fixes. You may consider update to F-15, or use http://people.redhat.com/sgruszka/compat_wireless.html if problem annoys you