Additional info:
libreport version: 2.0.18
abrt_version:   2.0.18
cmdline:        BOOT_IMAGE=/vmlinuz-3.6.9-2.fc17.i686.PAE root=/dev/mapper/vg-lv_root ro rd.md=0 rd.dm=0 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rd.lvm.lv=VolGroup14/lv_swap rd.lvm.lv=vg/lv_root rd.luks=0 rd.lvm.lv=vg/lv_swap LANG=en_IN.UTF-8 rhgb quiet agp=off
kernel:         3.6.9-2.fc17.i686.PAE

backtrace:
:WARNING: at drivers/gpu/drm/i915/intel_display.c:1225 assert_pipe+0x94/0xa0 [i915]()
:Hardware name:  
:pipe A assertion failure (expected on, current off)
:Modules linked in: i915(+) nouveau mxm_wmi wmi video i2c_algo_bit drm_kms_helper ttm drm i2c_core
:Pid: 169, comm: udevd Not tainted 3.6.9-2.fc17.i686.PAE #1
:Call Trace:
: [<c044bbf2>] warn_slowpath_common+0x72/0xa0
: [<f7f37f84>] ? assert_pipe+0x94/0xa0 [i915]
: [<f7f37f84>] ? assert_pipe+0x94/0xa0 [i915]
: [<c044bcc3>] warn_slowpath_fmt+0x33/0x40
: [<f7f37f84>] assert_pipe+0x94/0xa0 [i915]
: [<f7f3ce49>] intel_crtc_disable+0x59/0x90 [i915]
: [<f83ab2af>] drm_helper_disable_unused_functions+0xef/0x140 [drm_kms_helper]
: [<f7f3ec18>] intel_modeset_init+0x5e8/0xe60 [i915]
: [<f7f19459>] i915_driver_load+0xa39/0xbb0 [i915]
: [<f7f16ce0>] ? i915_switcheroo_set_state+0xa0/0xa0 [i915]
: [<f7e4dd9b>] ? drm_sysfs_device_add+0x7b/0xb0 [drm]
: [<f7e4a518>] ? drm_get_minor+0x238/0x2c0 [drm]
: [<f7e4c7cb>] drm_get_pci_dev+0x13b/0x270 [drm]
: [<f7f5fa97>] i915_pci_probe+0x4b/0x55 [i915]
: [<c06a15d0>] pci_device_probe+0xa0/0x150
: [<c0754ce9>] driver_probe_device+0x79/0x350
: [<c06a136e>] ? pci_match_device+0x9e/0xb0
: [<c0755051>] __driver_attach+0x91/0xa0
: [<c0754fc0>] ? driver_probe_device+0x350/0x350
: [<c0753232>] bus_for_each_dev+0x42/0x80
: [<c075471e>] driver_attach+0x1e/0x20
: [<c0754fc0>] ? driver_probe_device+0x350/0x350
: [<c07543cf>] bus_add_driver+0x17f/0x290
: [<c06a1680>] ? pci_device_probe+0x150/0x150
: [<c06a1680>] ? pci_device_probe+0x150/0x150
: [<c075564a>] driver_register+0x6a/0x160
: [<c044092e>] ? change_page_attr_set_clr+0x2fe/0x3b0
: [<f7f89000>] ? 0xf7f88fff
: [<f7f89000>] ? 0xf7f88fff
: [<c06a0622>] __pci_register_driver+0x42/0xb0
: [<f7f89000>] ? 0xf7f88fff
: [<f7e4c9fd>] drm_pci_init+0xfd/0x110 [drm]
: [<f7f89000>] ? 0xf7f88fff
: [<f7f8905e>] i915_init+0x5e/0x60 [i915]
: [<c0403112>] do_one_initcall+0x112/0x160
: [<c04a6932>] ? set_section_ro_nx+0x62/0x80
: [<c04a923c>] sys_init_module+0xfec/0x1d60
: [<c097aadf>] sysenter_do_call+0x12/0x28