2013-05-15 13:14:00

by James Bottomley

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Subject: warning in mac80211 from iwlwifi queuing work during suspend

I got this message on resume

[24856.578799] ------------[ cut here ]------------
[24856.578849] WARNING: at /home/abuild/rpmbuild/BUILD/kernel-desktop-3.9.1/linux-3.9/net/mac80211/util.c:599 ieee80211_can_queue_work.isra.7+0x2d/0x40 [mac80211]()
[24856.578851] Hardware name: 4286CTO
[24856.578852] queueing ieee80211 work while going to suspend
[24856.578917] Modules linked in: cpufreq_stats fuse tun af_packet rfcomm bnep sha256_generic cbc dm_crypt dm_mod mperf coretemp crc32_pclmul crc32c_intel ghash_clmulni_intel cryptd arc4 iwldvm mac80211 snd_hda_codec_hdmi snd_hda_codec_conexant iTCO_wdt iTCO_vendor_support kvm_intel kvm microcode snd_hda_intel snd_hda_codec joydev snd_hwdep pcspkr snd_pcm_oss i2c_i801 snd_pcm uvcvideo btusb sg thinkpad_acpi videobuf2_core videodev videobuf2_vmalloc bluetooth snd_seq videobuf2_memops lpc_ich mfd_core iwlwifi sdhci_pci sdhci snd_seq_device mmc_core cfg80211 e1000e rfkill snd_mixer_oss snd_timer ptp snd_page_alloc pps_core mei wmi snd battery tpm_tis tpm tpm_bios ac soundcore edd autofs4 i915 drm_kms_helper drm i2c_algo_bit video button scsi_dh_hp_sw scsi_dh_alua scsi_dh_emc scsi_dh_rdac scsi_dh fan processor thermal thermal_sys
[24856.578921] Pid: 0, comm: swapper/0 Not tainted 3.9.1-7.gb6484b6-desktop #1
[24856.578921] Call Trace:
[24856.578933] [<ffffffff81004728>] dump_trace+0x88/0x300
[24856.578938] [<ffffffff815cafba>] dump_stack+0x69/0x6f
[24856.578945] [<ffffffff810461c9>] warn_slowpath_common+0x79/0xc0
[24856.578948] [<ffffffff810462c5>] warn_slowpath_fmt+0x45/0x50
[24856.578960] [<ffffffffa06053dd>] ieee80211_can_queue_work.isra.7+0x2d/0x40 [mac80211]
[24856.579004] [<ffffffffa0605487>] ieee80211_queue_work+0x27/0x60 [mac80211]
[24856.579029] [<ffffffff8105615c>] call_timer_fn+0x2c/0x170
[24856.579033] [<ffffffff810564c5>] run_timer_softirq+0x225/0x2d0
[24856.579037] [<ffffffff8104e60e>] __do_softirq+0xde/0x280
[24856.579040] [<ffffffff8104e905>] irq_exit+0x95/0xa0
[24856.579043] [<ffffffff810264e8>] smp_apic_timer_interrupt+0x68/0xa0
[24856.579047] [<ffffffff815df9dd>] apic_timer_interrupt+0x6d/0x80
[24856.579051] ---[ end trace 53ff81b324167a8a ]---

Kernel is

Linux version 3.9.1-7.gb6484b6-desktop ([email protected]) (gcc version 4.7.2 20130108 [gcc-4_7-branch revision 195012] (SUSE Linux) ) #1 SMP PREEMPT Wed May 8 15:02:04 UTC 2013 (b6484b6)

and the wireless stack is

[email protected]> lsmod|grep iwl
iwldvm 253990 0
mac80211 678341 1 iwldvm
iwlwifi 118000 1 iwldvm
cfg80211 579562 3 iwldvm,mac80211,iwlwifi