kernel: WARNING: at net/wireless/core.c wdev_cleanup_work in RHEL 6

Solution Unverified - Updated -

Issue

  • Kernel warnings are seen in /var/log/messages or on console similar to the following:
  • ABRT reported kernel: WARNING: at net/wireless/core.c:614 wdev_cleanup_work+0xe1/0x110 [cfg80211]() (Not tainted) uid: 0

    WARNING: at net/wireless/core.c:614 wdev_cleanup_work+0xe1/0x110 [cfg80211]() (Not tainted)
    Hardware name: 2522AD7
    Modules linked in: usb_storage fuse autofs4 sunrpc vmnet(U) ppdev parport_pc parport vmblock(U) vsock(U) vmci(U) vmmon(U) cpufreq_ondemand acpi_cpufreq freq_table ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 dm_mirror dm_region_hash dm_log uinput thinkpad_acpi hwmon wmi sg i2c_i801 iTCO_wdt iTCO_vendor_support arc4 ecb iwlagn iwlcore mac80211 cfg80211 rfkill e1000e snd_hda_codec_intelhdmi snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore snd_page_alloc ext4 mbcache jbd2 fpu aesni_intel cryptd aes_x86_64 aes_generic xts gf128mul dm_crypt sr_mod cdrom sd_mod crc_t10dif ata_generic pata_acpi ata_piix firewire_ohci firewire_core crc_itu_t sdhci_pci sdhci mmc_core i915 drm_kms_helper drm i2c_algo_bit i2c_core video output dm_mod [last unloaded: microcode]
    Pid: 15, comm: events/0 Not tainted 2.6.32-71.7.1.el6.x86_64 #1
    Call Trace:
    [<ffffffff8106b8f7>] warn_slowpath_common+0x87/0xc0
    [<ffffffff8106b94a>] warn_slowpath_null+0x1a/0x20
    [<ffffffffa03074e1>] wdev_cleanup_work+0xe1/0x110 [cfg80211]
    [<ffffffffa0307400>] ? wdev_cleanup_work+0x0/0x110 [cfg80211]
    [<ffffffff8108c6b0>] worker_thread+0x170/0x2a0
    [<ffffffff81091d40>] ? autoremove_wake_function+0x0/0x40
    [<ffffffff8108c540>] ? worker_thread+0x0/0x2a0
    [<ffffffff810919d6>] kthread+0x96/0xa0
    [<ffffffff810141ca>] child_rip+0xa/0x20
    [<ffffffff81091940>] ? kthread+0x0/0xa0
    [<ffffffff810141c0>] ? child_rip+0x0/0x20
    

Environment

  • Red Hat Enterprise Linux (RHEL) 6
  • Wireless network interface

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