Comment 7 for bug 303017

I get a similar problem. Little later of resume my laptop happened it (ksoftirqd/0 99% cpu). In dmesg:

[ 8680.578320] ------------[ cut here ]------------
[ 8680.578331] WARNING: at /build/buildd/linux-backports-modules-2.6.27-2.6.27/debian/build/build-generic/compat-wireless-2.6/net/mac80211/rx.c:2200 __lbm_cw_ieee80211_rx+0x19f/0x600 [lbm_cw_mac80211]()
[ 8680.578334] Modules linked in: ipv6 af_packet binfmt_misc ppdev vmnet vmblock vmci vmmon acpi_cpufreq cpufreq_ondemand cpufreq_powersave cpufreq_userspace cpufreq_stats cpufreq_conservative freq_table pci_slot sbs sbshc container wmi iptable_filter ip_tables x_tables arc4 ecb crypto_blkcipher ath5k lbm_cw_mac80211 lbm_cw_cfg80211 parport_pc lp parport joydev snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy evdev uvcvideo pcspkr psmouse serio_raw compat_ioctl32 videodev v4l1_compat snd_seq_oss snd_seq_midi video fglrx(P) output snd_rawmidi snd_seq_midi_event snd_seq battery ac snd_timer snd_seq_device snd asus_laptop led_class soundcore button snd_page_alloc sis190 mii shpchp pci_hotplug sis_agp agpgart ext3 jbd mbcache sd_mod crc_t10dif usbhid hid usb_storage sr_mod cdrom sg sata_sis ata_generic libusual pata_acpi pata_sis ohci_hcd ehci_hcd libata usbcore scsi_mod dock thermal processor fan fbcon tileblit font bitblit softcursor fuse
[ 8680.578425] Pid: 4, comm: ksoftirqd/0 Tainted: P 2.6.27-9-generic #1
[ 8680.578429] [<c037c4b6>] ? printk+0x1d/0x1f
[ 8680.578438] [<c0131de9>] warn_on_slowpath+0x59/0x90
[ 8680.578447] [<c013c7a4>] ? del_timer+0x54/0x60
[ 8680.578453] [<c0137418>] ? raise_softirq_irqoff+0x8/0x70
[ 8680.578458] [<f88be781>] ? __scsi_done+0x41/0x50 [scsi_mod]
[ 8680.578478] [<f88be7ab>] ? scsi_done+0x1b/0x30 [scsi_mod]
[ 8680.578490] [<f8893417>] ? ata_scsi_translate+0xf7/0x150 [libata]
[ 8680.578507] [<c024ae8e>] ? cfq_dispatch_requests+0xe/0x260
[ 8680.578515] [<f88be790>] ? scsi_done+0x0/0x30 [scsi_mod]
[ 8680.578526] [<c037e6dd>] ? _spin_lock+0xd/0x10
[ 8680.578531] [<c024e580>] ? kobject_put+0x20/0x50
[ 8680.578536] [<f88bea06>] ? scsi_dispatch_cmd+0xf6/0x280 [scsi_mod]
[ 8680.578548] [<f8c549af>] __lbm_cw_ieee80211_rx+0x19f/0x600 [lbm_cw_mac80211]
[ 8680.578560] [<f88c5ed7>] ? scsi_request_fn+0xa7/0x440 [scsi_mod]
[ 8680.578574] [<c02eae1c>] ? skb_put+0xc/0xa0
[ 8680.578580] [<f8c2ac83>] ath5k_tasklet_rx+0x2e3/0x550 [ath5k]
[ 8680.578588] [<c0137258>] tasklet_action+0x78/0x100
[ 8680.578592] [<c0137682>] __do_softirq+0x92/0x120
[ 8680.578595] [<c013776d>] do_softirq+0x5d/0x60
[ 8680.578598] [<c0137802>] ksoftirqd+0x92/0x120
[ 8680.578601] [<c0137770>] ? ksoftirqd+0x0/0x120
[ 8680.578605] [<c0147141>] kthread+0x41/0x80
[ 8680.578609] [<c0147100>] ? kthread+0x0/0x80
[ 8680.578613] [<c0105297>] kernel_thread_helper+0x7/0x10
[ 8680.578618] =======================
[ 8680.578620] ---[ end trace 79ed1c5ac603e4a1 ]---

Kernel: 2.6.27-9-generic
lspci: 02:00.0 Ethernet controller: Atheros Communications Inc. AR242x 802.11abg Wireless PCI Express Adapter (rev 01)
Driver: http://wireless.kernel.org/download/compat-wireless-2.6