Bug 772201

libreport version: 2.0.8
abrt_version:   2.0.7
cmdline:        BOOT_IMAGE=/vmlinuz-3.1.6-1.fc16.i686 root=/dev/mapper/VolGroup-lv_root ro rd.md=0 rd.dm=0 KEYTABLE=cz-us-qwertz rd.lvm.lv=VolGroup/lv_swap quiet SYSFONT=latarcyrheb-sun16 rhgb rd.lvm.lv=VolGroup/lv_root rd.luks=0 LANG=en_US.UTF-8
kernel:         3.1.6-1.fc16.i686
reason:         BUG: soft lockup - CPU#0 stuck for 21s! [kworker/0:0:6651]
time:           Pá 6. leden 2012, 13:17:03 CET

backtrace:
:BUG: soft lockup - CPU#0 stuck for 21s! [kworker/0:0:6651]
:Modules linked in: tcp_lp vfat fat usb_storage ppdev parport_pc lp parport fuse fcoe libfcoe libfc 8021q garp scsi_transport_fc stp scsi_tgt llc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ip6table_filter ip6_tables snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device uvcvideo videodev snd_pcm snd_timer snd iTCO_wdt media acer_wmi sparse_keymap arc4 ath9k mac80211 ath9k_common ath9k_hw ath cfg80211 rfkill i2c_i801 soundcore snd_page_alloc iTCO_vendor_support atl1c joydev microcode uinput binfmt_misc wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
:Modules linked in: tcp_lp vfat fat usb_storage ppdev parport_pc lp parport fuse fcoe libfcoe libfc 8021q garp scsi_transport_fc stp scsi_tgt llc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ip6table_filter ip6_tables snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device uvcvideo videodev snd_pcm snd_timer snd iTCO_wdt media acer_wmi sparse_keymap arc4 ath9k mac80211 ath9k_common ath9k_hw ath cfg80211 rfkill i2c_i801 soundcore snd_page_alloc iTCO_vendor_support atl1c joydev microcode uinput binfmt_misc wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
:Pid: 6651, comm: kworker/0:0 Tainted: G        W   3.1.6-1.fc16.i686 #1 Acer AOD255/JE02_PT
:EIP: 0060:[<f87eb60a>] EFLAGS: 00000246 CPU: 0
:EIP is at atl1c_set_multi+0x2a/0xc0 [atl1c]
:EAX: f47b3000 EBX: 14105cef ECX: 00000000 EDX: f8800000
:ESI: f47b34bc EDI: 00000000 EBP: dd651d30 ESP: dd651d24
: DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
:Process kworker/0:0 (pid: 6651, ti=dd650000 task=f102d7f0 task.ti=dd650000)
:Stack:
: f47b3000 f87f0c60 00000000 dd651d40 c081e864 f47b3000 f47b312c dd651d60
: c0822feb 00000005 00000000 dd651d78 f64f7780 f64f77f0 f47b3000 dd651d68
: c082303f dd651da8 c08c5cf3 00000000 e8c84e40 9fff3333 dd659e16 f64f7780
:Call Trace:
: [<c081e864>] __dev_set_rx_mode+0x34/0xa0
: [<c0822feb>] __dev_mc_add+0x5b/0x80
: [<c082303f>] dev_mc_add+0xf/0x20
: [<c08c5cf3>] igmp6_group_added+0xd3/0x160
: [<c08c74fb>] ? ipv6_dev_mc_inc+0xcb/0x350
: [<c08c763c>] ipv6_dev_mc_inc+0x20c/0x350
: [<c08ae8e6>] addrconf_join_solict+0x46/0x60
: [<c08af274>] addrconf_dad_start+0x24/0x120
: [<c08af789>] addrconf_add_linklocal+0x79/0xa0
: [<c08b16e5>] addrconf_notify+0x635/0x970
: [<c08445d6>] ? rt_do_flush+0x46/0x120
: [<c0910dd5>] notifier_call_chain+0x45/0x60
: [<c046fcff>] raw_notifier_call_chain+0x1f/0x30
: [<c081984c>] call_netdevice_notifiers+0x2c/0x60
: [<c083557a>] ? dev_activate+0x9a/0x170
: [<c081ad20>] netdev_state_change+0x20/0x40
: [<c082b9d1>] linkwatch_do_dev+0x71/0xb0
: [<c082bcbf>] __linkwatch_run_queue+0x12f/0x160
: [<c082bd10>] linkwatch_event+0x20/0x30
: [<c046567a>] process_one_work+0xfa/0x390
: [<c090deb9>] ? apic_timer_interrupt+0x31/0x38
: [<c082bcf0>] ? __linkwatch_run_queue+0x160/0x160
: [<c0466371>] worker_thread+0x121/0x2d0
: [<c0466250>] ? manage_workers+0x1f0/0x1f0
: [<c046a1cd>] kthread+0x6d/0x80
: [<c046a160>] ? kthread_worker_fn+0x140/0x140
: [<c09148be>] kernel_thread_helper+0x6/0x10
:Code: 00 55 89 e5 57 56 53 3e 8d 74 26 00 80 b8 f9 04 00 00 00 8b 90 bc 04 00 00 8d b0 bc 04 00 00 0f 85 84 00 00 00 8b 9a 80 14 00 00 <8b> 88 ec 00 00 00 89 da f6 c5 01 74 59 80 ce 80 8b 88 bc 04 00