Bug 804007

Summary: [abrt] kernel: WARNING: at lib/debugobjects.c:262 debug_print_object+0x8c/0xb0()
Product: [Fedora] Fedora Reporter: Misha Shnurapet <shnurapet>
Component: kernelAssignee: Stanislaw Gruszka <sgruszka>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 17CC: frederik.hertzum, gansalmon, itamar, jonathan, jwboyer, kernel-maint, madhu.chinakonda, sgruszka
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard: abrt_hash:91dd668c9e9eff4c7542a59a677fbc54567ccdc1
Fixed In Version: kernel-3.3.0-5.fc17 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-03-22 01:57:00 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
File: smolt_data none

Description Misha Shnurapet 2012-03-16 09:48:57 UTC 
libreport version: 2.0.8
abrt_version:   2.0.7
cmdline:        BOOT_IMAGE=/boot/vmlinuz-3.3.0-0.rc7.git0.3.fc17.x86_64 root=UUID=0d6ad8c6-d92e-4bbc-b1ee-b9bfbe9d6c3b ro rd.md=0 rd.lvm=0 rd.dm=0 SYSFONT=True rd.luks=0 KEYTABLE=us-acentos LANG=en_US.UTF-8 rhgb quiet nomodeset
kernel:         3.3.0-0.rc7.git0.3.fc17.x86_64
reason:         WARNING: at lib/debugobjects.c:262 debug_print_object+0x8c/0xb0()
time:           Пт. 16 марта 2012 04:27:13

smolt_data:     Binary file, 2952 bytes

backtrace:
:WARNING: at lib/debugobjects.c:262 debug_print_object+0x8c/0xb0()
:Hardware name: System Product Name
:ODEBUG: free active (active state 0) object type: timer_list hint: sta_rx_agg_reorder_timer_expired+0x0/0xf0 [mac80211]
:Modules linked in: binfmt_misc fuse be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i cxgb3 mdio libcxgbi ib_iser bnep rdma_cm bluetooth ib_addr iw_cm ib_cm ib_sa ib_mad ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi snd_hda_codec_hdmi arc4 snd_hda_codec_via snd_hda_intel ath9k_htc snd_hda_codec ath9k_common ath9k_hw ath ppdev snd_hwdep snd_pcm mac80211 nouveau cfg80211 mxm_wmi wmi rfkill video ttm snd_page_alloc snd_timer snd microcode drm_kms_helper drm soundcore serio_raw edac_core sp5100_tco k8temp edac_mce_amd i2c_piix4 asus_atk0110 parport_pc parport i2c_core uinput ata_generic pata_acpi usb_storage uas pata_atiixp [last unloaded: scsi_wait_scan]
:Pid: 10, comm: ksoftirqd/1 Tainted: G        W    3.3.0-0.rc7.git0.3.fc17.x86_64 #1
:Call Trace:
: [<ffffffff81060dff>] warn_slowpath_common+0x7f/0xc0
: [<ffffffff81060ef6>] warn_slowpath_fmt+0x46/0x50
: [<ffffffff8133273c>] debug_print_object+0x8c/0xb0
: [<ffffffffa02815a0>] ? ieee80211_free_tid_rx+0x70/0x70 [mac80211]
: [<ffffffff813334d9>] debug_check_no_obj_freed+0x119/0x210
: [<ffffffffa028158d>] ? ieee80211_free_tid_rx+0x5d/0x70 [mac80211]
: [<ffffffffa028158d>] ? ieee80211_free_tid_rx+0x5d/0x70 [mac80211]
: [<ffffffff811a1d4e>] kfree+0xce/0x280
: [<ffffffff811125be>] ? __rcu_process_callbacks+0x14e/0x490
: [<ffffffffa028158d>] ieee80211_free_tid_rx+0x5d/0x70 [mac80211]
: [<ffffffff811125f2>] __rcu_process_callbacks+0x182/0x490
: [<ffffffff81069b09>] ? __do_softirq+0x89/0x380
: [<ffffffff8111292f>] rcu_process_callbacks+0x2f/0x250
: [<ffffffff81069b60>] __do_softirq+0xe0/0x380
: [<ffffffff81069f37>] run_ksoftirqd+0x137/0x210
: [<ffffffff81069e00>] ? __do_softirq+0x380/0x380
: [<ffffffff8108a477>] kthread+0xb7/0xc0
: [<ffffffff816a7fb4>] kernel_thread_helper+0x4/0x10
: [<ffffffff8169e374>] ? retint_restore_args+0x13/0x13
: [<ffffffff8108a3c0>] ? kthread_worker_fn+0x1a0/0x1a0
: [<ffffffff816a7fb0>] ? gs_change+0x13/0x13
Comment 1 Misha Shnurapet 2012-03-16 09:49:10 UTC 
Created attachment 570547 [details]
File: smolt_data
Comment 2 John W. Linville 2012-03-16 17:14:57 UTC 
I have no idea what this is -- can you repeat it?  What were you doing when it happened?
Comment 3 Misha Shnurapet 2012-03-17 02:52:33 UTC 
This is all I have, sorry. Maybe a better backtrace on another occurence.
Comment 4 Stanislaw Gruszka 2012-03-19 12:03:28 UTC 
I think I understand this race condition ...
Comment 5 Stanislaw Gruszka 2012-03-19 15:09:03 UTC 
Posted proposed fix:
http://marc.info/?l=linux-wireless&m=133216930411065&w=2
Comment 6 Stanislaw Gruszka 2012-03-20 11:52:49 UTC 
Josh, please apply fix from above comment.
Comment 7 Josh Boyer 2012-03-20 12:38:11 UTC 
(In reply to comment #6)
> Josh, please apply fix from above comment.

Gladly.  I'll get this into all branches today.
Comment 8 Josh Boyer 2012-03-20 12:54:26 UTC 
(In reply to comment #7)
> (In reply to comment #6)
> > Josh, please apply fix from above comment.
> 
> Gladly.  I'll get this into all branches today.

Committed to Fedora git.  Thanks Stanislaw.
Comment 9 Fedora Update System 2012-03-20 19:22:42 UTC 
kernel-2.6.42.12-1.fc15 has been submitted as an update for Fedora 15.
https://admin.fedoraproject.org/updates/FEDORA-2012-3715/kernel-2.6.42.12-1.fc15
Comment 10 Fedora Update System 2012-03-20 23:26:11 UTC 
kernel-3.3.0-4.fc16 has been submitted as an update for Fedora 16.
https://admin.fedoraproject.org/updates/kernel-3.3.0-4.fc16
Comment 11 Fedora Update System 2012-03-22 01:57:00 UTC 
kernel-3.3.0-4.fc16 has been pushed to the Fedora 16 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 12 Fedora Update System 2012-03-26 13:40:59 UTC 
kernel-3.3.0-5.fc17 has been submitted as an update for Fedora 17.
https://admin.fedoraproject.org/updates/kernel-3.3.0-5.fc17
Comment 13 Fedora Update System 2012-03-26 18:02:49 UTC 
kernel-2.6.42.12-1.fc15 has been pushed to the Fedora 15 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 14 Stanislaw Gruszka 2012-04-04 11:06:06 UTC 
*** Bug 804434 has been marked as a duplicate of this bug. ***
Comment 15 Fedora Update System 2012-04-12 02:02:06 UTC 
kernel-3.3.0-5.fc17 has been pushed to the Fedora 17 stable repository.  If problems still persist, please make note of it in this bug report.