Version-Release number of selected component:
kernel

Additional info:
cmdline:        BOOT_IMAGE=/vmlinuz-3.8.0-0.rc6.git1.1.fc19.x86_64 root=UUID=895ff4c3-db90-4071-aeab-a0ec2d6b94cf ro rd.md=0 rd.lvm=0 rd.dm=0 rd.luks=0 rhgb quiet
kernel:         3.8.0-0.rc6.git1.1.fc19.x86_64
type:           Kerneloops

Truncated backtrace:
WARNING: at lib/dma-debug.c:933 check_unmap+0x47b/0x950()
Hardware name: Qosmio X505
atl1c 0000:0b:00.0: DMA-API: device driver failed to check map error[device address=0x00000000bb56a000] [size=90 bytes] [mapped as single]
Modules linked in:
 snd_hda_codec_hdmi snd_hda_codec_conexant arc4 uvcvideo snd_hda_intel rtl8192se videobuf2_vmalloc snd_hda_codec videobuf2_memops videobuf2_core videodev rtlwifi media snd_hwdep snd_seq snd_seq_device mac80211 snd_pcm snd_page_alloc snd_timer cfg80211 coretemp snd iTCO_wdt iTCO_vendor_support microcode serio_raw soundcore joydev lpc_ich mfd_core atl1c toshiba_acpi sparse_keymap intel_ips rfkill i2c_i801 vhost_net tun macvtap macvlan kvm_intel kvm crc32c_intel nouveau mxm_wmi i2c_algo_bit drm_kms_helper ttm firewire_ohci sdhci_pci sdhci drm mmc_core firewire_core crc_itu_t i2c_core wmi video
Pid: 744, comm: libvirtd Not tainted 3.8.0-0.rc6.git1.1.fc19.x86_64 #1
Call Trace:
 <IRQ>  [<ffffffff81065ed0>] warn_slowpath_common+0x70/0xa0
 [<ffffffff81065f4c>] warn_slowpath_fmt+0x4c/0x50
 [<ffffffff8136566b>] check_unmap+0x47b/0x950
 [<ffffffff81365b9f>] debug_dma_unmap_page+0x5f/0x70
 [<ffffffffa02b899f>] atl1c_intr+0x22f/0x5b0 [atl1c]
 [<ffffffff81110ef6>] handle_irq_event_percpu+0x56/0x390
 [<ffffffff8111126d>] handle_irq_event+0x3d/0x60
 [<ffffffff81113cf7>] handle_edge_irq+0x77/0x130
 [<ffffffff8101c36f>] handle_irq+0xbf/0x150
 [<ffffffff81070760>] ? irq_enter+0x50/0xa0
 [<ffffffff816e610d>] do_IRQ+0x4d/0xc0
 [<ffffffff816db672>] common_interrupt+0x72/0x72
 <EOI>  [<ffffffff816d1bbd>] ? __slab_free+0x58/0x38b
 [<ffffffff816dabab>] ? _raw_spin_unlock_irqrestore+0x3b/0x70
 [<ffffffff816d1bbd>] __slab_free+0x58/0x38b
 [<ffffffff810d39bd>] ? trace_hardirqs_on+0xd/0x10
 [<ffffffff81193c29>] ? __put_anon_vma+0x59/0xd0
 [<ffffffff811b0692>] kmem_cache_free+0x312/0x320
 [<ffffffff81193ea8>] ? unlink_anon_vmas+0xa8/0x180
 [<ffffffff81193c29>] __put_anon_vma+0x59/0xd0
 [<ffffffff81193f02>] unlink_anon_vmas+0x102/0x180
 [<ffffffff81185248>] free_pgtables+0xa8/0x120
 [<ffffffff8118fa02>] exit_mmap+0xb2/0x170
 [<ffffffff81062eff>] mmput+0x7f/0x110
 [<ffffffff811d3bbc>] flush_old_exec+0x3fc/0x780
 [<ffffffff812278c9>] load_elf_binary+0x369/0x18f0
 [<ffffffff811d334f>] ? search_binary_handler+0x1bf/0x4f0
 [<ffffffff81227560>] ? notesize.isra.12+0x30/0x30
 [<ffffffff811d3331>] search_binary_handler+0x1a1/0x4f0
 [<ffffffff811d31f7>] ? search_binary_handler+0x67/0x4f0
 [<ffffffff811d4aca>] do_execve_common.isra.25+0x4ea/0x590
 [<ffffffff811d46f2>] ? do_execve_common.isra.25+0x112/0x590
 [<ffffffff811d4e76>] sys_execve+0x36/0x50
 [<ffffffff816e4ac9>] stub_execve+0x69/0xc0

Potential duplicate: bug 908436