Still happens on linux-image-2.6.27-9-generic and linux-backports-
modules-2.6.27-9-generic. Looking at the trace, the problematic module
might be mac80211, which is on linux-image-2.6.27-9-generic.
Dec 22 09:59:27 acer kernel: [ 239.461219] ------------[ cut here ]------------
Dec 22 09:59:27 acer kernel: [ 239.461241] 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]()
Dec 22 09:59:27 acer kernel: [ 239.461253] Modules linked in: af_packet i915
drm binfmt_misc bridge stp bnep rfcomm sco l2cap bluetooth vboxdrv ipv6 ppdev
parport_pc lp parport pci_slot sbs sbshc container iptable_filter ip_tables
x_tables arc4 ecb crypto_blkcipher ath5k lbm_cw_mac80211 lbm_cw_cfg80211
cpufreq_ondemand cpufreq_userspace acpi_cpufreq freq_table joydev mmc_block
acer_wmi led_class snd_hda_intel video snd_pcm_oss snd_mixer_oss output
uvcvideo compat_ioctl32 evdev videodev v4l1_compat snd_pcm sdhci_pci sdhci wmi
mmc_core snd_seq_dummy r8101 psmouse battery serio_raw ac button snd_seq_oss
snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device
iTCO_wdt iTCO_vendor_support snd pcspkr intel_agp shpchp pci_hotplug agpgart
soundcore snd_page_alloc ext3 jbd mbcache sd_mod crc_t10dif sg pata_acpi
ata_generic ata_piix libata scsi_mod dock ehci_hcd uhci_hcd usbcore thermal
processor fan fbcon tileblit font bitblit softcursor fuse
Dec 22 09:59:27 acer kernel: [ 239.461468] Pid: 5231, comm: Xorg Tainted: G
W 2.6.27-9-generic #1
Dec 22 09:59:27 acer kernel: [ 239.461477] [<c037c4b6>] ? printk+0x1d/0x1f
Dec 22 09:59:27 acer kernel: [ 239.461495] [<c0131de9>]
warn_on_slowpath+0x59/0x90
Dec 22 09:59:27 acer kernel: [ 239.461529] [<c037e578>] ? _read_lock+0x8/0x20
Dec 22 09:59:27 acer kernel: [ 239.461553] [<c0214ba8>] ?
cap_socket_sock_rcv_skb+0x8/0x10
Dec 22 09:59:27 acer kernel: [ 239.461569] [<c02fec15>] ? sk_filter+0x85/0xc0
Dec 22 09:59:27 acer kernel: [ 239.461583] [<c03351f8>] ?
tcp_v4_rcv+0x508/0x6f0
Dec 22 09:59:27 acer kernel: [ 239.461597] [<c0316efd>] ?
ip_local_deliver_finish+0xad/0x1a0
Dec 22 09:59:27 acer kernel: [ 239.461610] [<c031707f>] ?
ip_local_deliver+0x8f/0xa0
Dec 22 09:59:27 acer kernel: [ 239.461623] [<c0316e50>] ?
ip_local_deliver_finish+0x0/0x1a0
Dec 22 09:59:27 acer kernel: [ 239.461636] [<c0316856>] ?
ip_rcv_finish+0x156/0x340
Dec 22 09:59:27 acer kernel: [ 239.461653] [<f8cd19af>]
__lbm_cw_ieee80211_rx+0x19f/0x600 [lbm_cw_mac80211]
Dec 22 09:59:27 acer kernel: [ 239.461689] [<c014a72d>] ?
enqueue_hrtimer+0x7d/0x130
Dec 22 09:59:27 acer kernel: [ 239.461703] [<c02eae1c>] ? skb_put+0xc/0xa0
Dec 22 09:59:27 acer kernel: [ 239.461716] [<c014b474>] ?
hrtimer_start+0xc4/0x1c0
Dec 22 09:59:27 acer kernel: [ 239.461733] [<f8ca7c83>]
ath5k_tasklet_rx+0x2e3/0x550 [ath5k]
Dec 22 09:59:27 acer kernel: [ 239.461756] [<c0118e38>] ? read_hpet+0x8/0x20
Dec 22 09:59:27 acer kernel: [ 239.461771] [<c0137258>]
tasklet_action+0x78/0x100
Dec 22 09:59:27 acer kernel: [ 239.461783] [<c0137682>]
__do_softirq+0x92/0x120
Dec 22 09:59:27 acer kernel: [ 239.461794] [<c013776d>] do_softirq+0x5d/0x60
Dec 22 09:59:27 acer kernel: [ 239.461804] [<c01378e5>] irq_exit+0x55/0x90
Dec 22 09:59:27 acer kernel: [ 239.461814] [<c0106c1a>] do_IRQ+0x4a/0x80
Dec 22 09:59:27 acer kernel: [ 239.461826] [<c0105003>]
common_interrupt+0x23/0x30
Dec 22 09:59:27 acer kernel: [ 239.461838] =======================
Dec 22 09:59:27 acer kernel: [ 239.461845] ---[ end trace 8a90c196d13882b8 ]---
--
[intrepid] ath5k linux-backports-modules crash
https://bugs.launchpad.net/bugs/290991
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