libreport version: 2.0.8
abrt_version:   2.0.7
cmdline:        BOOT_IMAGE=/vmlinuz-3.3.0-4.fc16.x86_64 root=/dev/mapper/VolGroup-lv_root ro rd.md=0 rd.dm=0 rd.lvm.lv=VolGroup/lv_swap KEYTABLE=us quiet SYSFONT=latarcyrheb-sun16 rhgb rd.lvm.lv=VolGroup/lv_root rd.luks=0 LANG=en_US.UTF-8
kernel:         3.3.0-4.fc16.x86_64
reason:         WARNING: at drivers/gpu/drm/i915/i915_irq.c:652 ironlake_irq_handler+0x4ea/0x500 [i915]()
time:           Sun 25 Mar 2012 08:50:57 PM EST

backtrace:
:WARNING: at drivers/gpu/drm/i915/i915_irq.c:652 ironlake_irq_handler+0x4ea/0x500 [i915]()
:Hardware name: XPS L412Z
:Missed a PM interrupt
:Modules linked in: tcp_lp ppdev parport_pc lp parport hidp fuse be2iscsi iscsi_boot_sysfs bnx2i fcoe rfcomm cnic uio libfcoe cxgb4i libfc cxgb4 scsi_transport_fc cxgb3i libcxgbi scsi_tgt cxgb3 mdio 8021q garp stp llc ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi bnep ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd arc4 iwlwifi mac80211 cfg80211 btusb bluetooth atl1c uvcvideo videobuf2_core videodev media v4l2_compat_ioctl32 videobuf2_vmalloc videobuf2_memops soundcore snd_page_alloc dell_wmi dell_laptop rfkill iTCO_wdt uinput joydev i2c_i801 iTCO_vendor_support dcdbas microcode sparse_keymap nouveau ttm i915 drm_kms_helper drm i2c_algo_bit i2c_core mxm_wmi video wmi [last unloaded: scsi_wait_scan]
:Pid: 0, comm: swapper/0 Not tainted 3.3.0-4.fc16.x86_64 #1
:Call Trace:
: <IRQ>  [<ffffffff81057b1f>] warn_slowpath_common+0x7f/0xc0
: [<ffffffff81057c16>] warn_slowpath_fmt+0x46/0x50
: [<ffffffffa008a8da>] ironlake_irq_handler+0x4ea/0x500 [i915]
: [<ffffffff8107e9b2>] ? hrtimer_get_next_event+0xf2/0x100
: [<ffffffff810e3c85>] handle_irq_event_percpu+0x55/0x220
: [<ffffffff810e3e95>] handle_irq_event+0x45/0x70
: [<ffffffff810e725a>] handle_edge_irq+0x7a/0x120
: [<ffffffff81016300>] handle_irq+0x60/0x150
: [<ffffffff8105f47c>] ? irq_enter+0x4c/0x90
: [<ffffffff815fdd3a>] do_IRQ+0x5a/0xe0
: [<ffffffff815f42ee>] common_interrupt+0x6e/0x6e
: <EOI>  [<ffffffff8131b326>] ? intel_idle+0xe6/0x150
: [<ffffffff8131b308>] ? intel_idle+0xc8/0x150
: [<ffffffff814a4071>] cpuidle_idle_call+0xc1/0x280
: [<ffffffff8101322f>] cpu_idle+0xcf/0x120
: [<ffffffff815d230e>] rest_init+0x72/0x74
: [<ffffffff81ceebf8>] start_kernel+0x3ba/0x3c5
: [<ffffffff81cee346>] x86_64_start_reservations+0x131/0x135
: [<ffffffff81cee140>] ? early_idt_handlers+0x140/0x140
: [<ffffffff81cee44c>] x86_64_start_kernel+0x102/0x111

comment:
:Unsure of how it happened. My notebook had locked its screen and was black.
:I woke it up and the alert was there waiting for me.