Additional info:
libreport version: 2.0.18
abrt_version:   2.0.18
cmdline:        BOOT_IMAGE=/vmlinuz-3.6.6-1.fc17.x86_64 nox2apic root=/dev/mapper/vg_scylla-lv_root ro rd.luks.uuid=luks-ad37129b-1c8c-4262-b3b4-ecee3f8109f9 rd.md=0 rd.lvm.lv=vg_scylla/lv_root SYSFONT=latarcyrheb-sun16 KEYTABLE=us rd.lvm.lv=vg_scylla/lv_swap LANG=en_US.UTF-8 rd.dm=0 rhgb quiet
kernel:         3.6.6-1.fc17.x86_64

backtrace:
:BUG: soft lockup - CPU#0 stuck for 22s! [kworker/u:1:3773]
:Modules linked in: tcp_lp fuse ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat xt_CHECKSUM iptable_mangle bridge stp llc rfcomm bnep nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_REJECT nf_conntrack_ipv6 nf_conntrack_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 xt_state nf_conntrack ip6table_filter ip6_tables snd_hda_codec_hdmi arc4 iwldvm mac80211 iTCO_wdt iTCO_vendor_support binfmt_misc uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev media coretemp snd_hda_codec_conexant btusb bluetooth microcode snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iwlwifi i2c_i801 joydev cfg80211 lpc_ich mfd_core snd_page_alloc mei snd_timer vhost_net tun thinkpad_acpi macvtap macvlan snd soundcore tpm_tis kvm_intel rfkill tpm kvm tpm_bios uinput nfsd auth_rpcgss nfs_acl lockd xts gf128mul dm_crypt crc32c_intel ghash_clmulni_intel sdhci_pci firewire_ohci sdhci firewire_core mmc_core crc_itu_t e1000e nouveau mxm_wmi wmi video i2c_algo_bit drm_
:kms_helper ttm drm i2c_core sunrpc be2iscsi bnx2i cnic uio cxgb4i cxgb4 cxgb3i cxgb3 mdio libcxgbi libiscsi_tcp qla4xxx iscsi_boot_sysfs libiscsi scsi_transport_iscsi
:CPU 0 
:Pid: 3773, comm: kworker/u:1 Not tainted 3.6.6-1.fc17.x86_64 #1 LENOVO 4270CTO/4270CTO
:RIP: 0010:[<ffffffff81063e48>]  [<ffffffff81063e48>] tasklet_kill+0x58/0x80
:RSP: 0018:ffff8804e2f15cb0  EFLAGS: 00000202
:RAX: 0000000000000003 RBX: 0000000000000200 RCX: 0000000000000010
:RDX: 0000000000001010 RSI: 0000000000000246 RDI: ffff88051c643178
:RBP: ffff8804e2f15cc0 R08: ffff88051a1f9a00 R09: ffff880528c00000
:R10: 0000000000000000 R11: 0000000000000000 R12: ffff88051c64001c
:R13: ffff88051c640000 R14: ffff8804e2f15c30 R15: 00003a98000003e8
:FS:  0000000000000000(0000) GS:ffff88053dc00000(0000) knlGS:0000000000000000
:CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
:CR2: 00007f1b0d8e6048 CR3: 0000000001c0b000 CR4: 00000000000407f0
:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
:Process kworker/u:1 (pid: 3773, threadinfo ffff8804e2f14000, task ffff8804e2ff2e20)
:Stack:
: ffff88051c640000 0000000000000286 ffff8804e2f15d10 ffffffffa0559e98
: ffff8804e2f15ce0 0000000000000246 0000000000000000 ffff88051fb41f10
: ffff88051c640000 ffff88051fb41f40 0000000000000000 0000000000000000
:Call Trace:
: [<ffffffffa0559e98>] iwl_trans_pcie_stop_device+0x198/0x340 [iwlwifi]
: [<ffffffffa07cf8cd>] iwl_down+0x20d/0x310 [iwldvm]
: [<fNov 22 12:46:41 scylla kernel: imklog 5.8.10, log source = /proc/kmsg started.