libreport version: 2.0.10 cmdline: BOOT_IMAGE=/vmlinuz-3.4.7-1.fc16.x86_64 root=/dev/mapper/vg_doubledribble-lv_root ro rd.md=0 rd.dm=0 rd.lvm.lv=vg_doubledribble/lv_root KEYTABLE=us quiet SYSFONT=latarcyrheb-sun16 rhgb rd.lvm.lv=vg_doubledribble/lv_swap rd.luks=0 LANG=en_US.UTF-8 acpi_backlight=vendor acpi_osi=Linux backtrace: :[120731.751370] WARNING: at drivers/gpu/drm/i915/intel_display.c:982 intel_disable_pipe+0x16b/0x1a0 [i915]() :[120731.751375] Hardware name: Aspire 3820T :[120731.751378] plane A assertion failure, should be disabled but not :[120731.751381] Modules linked in: tcp_lp vfat fat fuse lockd tpm_bios ip6t_REJECT nf_conntrack_ipv4 nf_conntrack_ipv6 nf_defrag_ipv4 nf_defrag_ipv6 xt_state ip6table_filter nf_conntrack ip6_tables snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep arc4 uvcvideo ath9k videobuf2_core videodev mac80211 snd_seq media videobuf2_vmalloc snd_seq_device snd_pcm videobuf2_memops ath9k_common ath9k_hw ath iTCO_wdt snd_timer snd soundcore acer_wmi cfg80211 sparse_keymap rfkill iTCO_vendor_support snd_page_alloc coretemp i2c_i801 microcode intel_ips joydev sunrpc uinput usb_storage crc32c_intel wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] :[120731.751416] Pid: 24577, comm: kworker/0:2 Not tainted 3.4.7-1.fc16.x86_64 #1 :[120731.751418] Call Trace: :[120731.751428] [<ffffffff8105808f>] warn_slowpath_common+0x7f/0xc0 :[120731.751430] [<ffffffff81058186>] warn_slowpath_fmt+0x46/0x50 :[120731.751442] [<ffffffffa009c21b>] intel_disable_pipe+0x16b/0x1a0 [i915] :[120731.751453] [<ffffffffa00a2167>] ironlake_crtc_disable+0x97/0x7b0 [i915] :[120731.751463] [<ffffffffa00a292e>] ironlake_crtc_prepare+0xe/0x10 [i915] :[120731.751468] [<ffffffffa006eebe>] drm_crtc_helper_set_mode+0x35e/0x520 [drm_kms_helper] :[120731.751472] [<ffffffff81342492>] ? acpi_ut_delete_internal_obj+0x1ab/0x1b3 :[120731.751478] [<ffffffffa006f0f3>] drm_helper_resume_force_mode+0x73/0x160 [drm_kms_helper] :[120731.751488] [<ffffffffa00a7900>] intel_lid_notify+0xb0/0xd0 [i915] :[120731.751492] [<ffffffff816005bd>] notifier_call_chain+0x4d/0x70 :[120731.751496] [<ffffffff8107fb78>] __blocking_notifier_call_chain+0x58/0x80 :[120731.751498] [<ffffffff8107fbb6>] blocking_notifier_call_chain+0x16/0x20 :[120731.751502] [<ffffffff81345553>] acpi_lid_send_state+0x86/0xaf :[120731.751504] [<ffffffff813455d5>] acpi_button_notify+0x3b/0xab :[120731.751510] [<ffffffff8131ee10>] ? acpi_os_wait_events_complete+0x23/0x23 :[120731.751513] [<ffffffff81321b97>] acpi_device_notify+0x19/0x1b :[120731.751516] [<ffffffff8132e387>] acpi_ev_notify_dispatch+0x67/0x7e :[120731.751519] [<ffffffff8131ee37>] acpi_os_execute_deferred+0x27/0x34 :[120731.751523] [<ffffffff81073cfe>] process_one_work+0x11e/0x470 :[120731.751526] [<ffffffff81074ddf>] worker_thread+0x15f/0x360 :[120731.751528] [<ffffffff81074c80>] ? manage_workers+0x230/0x230 :[120731.751532] [<ffffffff81079a93>] kthread+0x93/0xa0 :[120731.751536] [<ffffffff81605ae4>] kernel_thread_helper+0x4/0x10 :[120731.751538] [<ffffffff81079a00>] ? kthread_freezable_should_stop+0x70/0x70 :[120731.751540] [<ffffffff81605ae0>] ? gs_change+0x13/0x13
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*** This bug has been marked as a duplicate of bug 772886 ***