Bug 1036323

Summary: [abrt] WARNING: CPU: 1 PID: 5149 at drivers/net/wireless/iwlwifi/pcie/tx.c:1490 iwl_trans_pcie_send_hcmd+0x586/0x5f0 [iwlwifi]()
Product: [Fedora] Fedora Reporter: Andrey V. Henneberg <safir>
Component: kernelAssignee: fedora-kernel-wireless-iwl
Status: CLOSED CURRENTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 20CC: benjaminfogel, gansalmon, ilw, itamar, jonathan, kernel-maint, madhu.chinakonda, paulo.fidalgo.pt, renan.melhado
Target Milestone: ---   
Target Release: ---   
Hardware: i686   
OS: Unspecified   
Whiteboard: abrt_hash:2049dee57d0273dfce5694d26fca6dba6f17ebc9
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2014-03-06 12:46:38 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: dmesg none

Description Andrey V. Henneberg 2013-11-30 23:26:33 UTC 
Additional info:
reporter:       libreport-2.1.9
WARNING: CPU: 1 PID: 5149 at drivers/net/wireless/iwlwifi/pcie/tx.c:1490 iwl_trans_pcie_send_hcmd+0x586/0x5f0 [iwlwifi]()
Modules linked in: qmi_wwan cdc_wdm usbnet usb_storage nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6t_REJECT xt_conntrack rfcomm bnep ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw coretemp snd_hda_codec_realtek uvcvideo snd_hda_intel snd_hda_codec kvm arc4 iwldvm iTCO_wdt videobuf2_vmalloc videobuf2_memops videobuf2_core mac80211 samsung_laptop iTCO_vendor_support snd_hwdep videodev snd_seq iwlwifi snd_seq_device media snd_pcm microcode btusb serio_raw snd_page_alloc bluetooth snd_timer i2c_i801 lpc_ich
 snd cfg80211 r8169 soundcore mii mfd_core rfkill acpi_cpufreq mperf nfsd auth_rpcgss nfs_acl lockd sunrpc uinput binfmt_misc i915 i2c_algo_bit drm_kms_helper drm i2c_core video
CPU: 1 PID: 5149 Comm: kworker/u8:0 Not tainted 3.11.9-200.fc19.i686.PAE #1
Hardware name: SAMSUNG ELECTRONICS CO., LTD. NC210/NC110                /NC210/NC110                , BIOS 01VG.M013.20110704.RHU 07/04/2011
Workqueue: phy0 ieee80211_iface_work [mac80211]
 00000000 00000000 ef6bfc7c c0992a5d 00000000 ef6bfcac c045499e c0b2a5b4
 00000001 0000141d f8510574 000005d2 f8507a36 f8507a36 f4576000 ef6bfd54
 ef6bfd54 ef6bfcbc c0454a62 00000009 00000000 ef6bfd08 f8507a36 f52ab864
Call Trace:
 [<c0992a5d>] dump_stack+0x41/0x52
 [<c045499e>] warn_slowpath_common+0x7e/0xa0
 [<f8507a36>] ? iwl_trans_pcie_send_hcmd+0x586/0x5f0 [iwlwifi]
 [<f8507a36>] ? iwl_trans_pcie_send_hcmd+0x586/0x5f0 [iwlwifi]
 [<c0454a62>] warn_slowpath_null+0x22/0x30
 [<f8507a36>] iwl_trans_pcie_send_hcmd+0x586/0x5f0 [iwlwifi]
 [<f8954f73>] iwl_dvm_send_cmd+0x43/0x110 [iwldvm]
 [<c0460975>] ? mod_timer+0x105/0x1c0
 [<f8959218>] iwl_send_add_sta+0xe8/0x140 [iwldvm]
 [<f895b3eb>] iwl_sta_rx_agg_stop+0x7b/0xd0 [iwldvm]
 [<f894ed18>] iwlagn_mac_ampdu_action+0x1e8/0x360 [iwldvm]
 [<f894eb30>] ? iwlagn_mac_flush+0x1d0/0x1d0 [iwldvm]
 [<f88da7af>] ___ieee80211_stop_rx_ba_session+0xbf/0x240 [mac80211]
 [<c054fd1f>] ? kfree+0x10f/0x150
 [<f88da97f>] __ieee80211_stop_rx_ba_session+0x4f/0x60 [mac80211]
 [<f88d8e39>] ieee80211_process_delba+0x49/0x50 [mac80211]
 [<f88de213>] ieee80211_iface_work+0x163/0x310 [mac80211]
 [<c0469b2d>] ? pwq_activate_delayed_work+0x2d/0x70
 [<c046b5a5>] process_one_work+0x115/0x380
 [<c046c08e>] worker_thread+0xfe/0x330
 [<c046bf90>] ? manage_workers.isra.27+0x250/0x250
 [<c0471704>] kthread+0x94/0xa0
 [<c099fbb7>] ret_from_kernel_thread+0x1b/0x28
 [<c0471670>] ? insert_kthread_work+0x30/0x30

Potential duplicate: bug 998749
Comment 1 Andrey V. Henneberg 2013-11-30 23:26:41 UTC 
Created attachment 831067 [details]
File: dmesg
Comment 2 Emmanuel Grumbach 2014-02-05 13:46:37 UTC 
I have to admit that we have a bad bug with TX AMPDU on this device.
You can disabled AMPDU by the means of the disable_11n module parameter.
Comment 3 Justin M. Forbes 2014-02-24 13:57:09 UTC 
*********** MASS BUG UPDATE **************

We apologize for the inconvenience.  There is a large number of bugs to go through and several of them have gone stale.  Due to this, we are doing a mass bug update across all of the Fedora 20 kernel bugs.

Fedora 20 has now been rebased to 3.13.4-200.fc20.  Please test this kernel update and let us know if you issue has been resolved or if it is still present with the newer kernel.

If you experience different issues, please open a new bug report for those.
Comment 4 Paulo Fidalgo 2014-03-06 10:31:00 UTC 
In my system this bug had disappeared.
Comment 5 Stanislaw Gruszka 2014-03-06 12:46:38 UTC 
Closing per above.