[ 345.147315] WARNING: at /build/buildd/linux-lts-quantal-3.5.0/ubuntu/i915/intel_display.c:5826 haswell_crtc_mode_set+0x860/0x8c0 [i915_hsw]() [ 345.147318] Hardware name: Latitude E6540 [ 345.147321] 2 connectors attached to pipe A [ 345.147324] Modules linked in: snd_hda_codec_realtek snd_hda_codec_hdmi rfcomm bnep bluetooth mcs7830 coretemp usbnet kvm_intel kvm ghash_clmulni_intel aesni_intel cryptd aes_x86_64 ppdev dell_wmi sparse_keymap dell_laptop dcdbas microcode psmouse serio_raw parport_pc snd_seq_midi snd_rawmidi arc4 snd_seq_midi_event snd_hda_intel snd_hda_codec snd_hwdep snd_seq wmi fglrx(PO) snd_pcm ath9k snd_seq_device mac80211 ath9k_common snd_timer ath9k_hw ath snd uvcvideo lpc_ich cfg80211 i915_hsw videobuf2_core videodev videobuf2_vmalloc videobuf2_memops drm_kms_helper mac_hid drm amd_iommu_v2 soundcore snd_page_alloc i2c_algo_bit video intel_ips lp parport hid_generic usbhid hid e1000e [ 345.147404] Pid: 1758, comm: Xorg Tainted: P O 3.5.0-23-generic #35~precise1-Ubuntu [ 345.147407] Call Trace: [ 345.147421] [] warn_slowpath_common+0x7f/0xc0 [ 345.147427] [] warn_slowpath_fmt+0x46/0x50 [ 345.147458] [] haswell_crtc_mode_set+0x860/0x8c0 [i915_hsw] [ 345.147479] [] ? i915_pipe_enabled+0x2e/0x40 [i915_hsw] [ 345.147499] [] ? ivybridge_enable_vblank+0x2c/0x80 [i915_hsw] [ 345.147524] [] ? drm_vblank_get+0x7e/0x1a0 [drm] [ 345.147552] [] intel_crtc_mode_set+0x71/0x140 [i915_hsw] [ 345.147582] [] intel_set_mode+0x28a/0x3f0 [i915_hsw] [ 345.147611] [] intel_crtc_set_config+0x1c4/0x330 [i915_hsw] [ 345.147637] [] drm_mode_setcrtc+0x308/0x560 [drm] [ 345.147663] [] ? intel_crtc_gamma_set+0x63/0x70 [i915_hsw] [ 345.147682] [] drm_ioctl+0x47c/0x540 [drm] [ 345.147707] [] ? drm_mode_setplane+0x3b0/0x3b0 [drm] [ 345.147717] [] ? _raw_spin_unlock_bh+0x19/0x20 [ 345.147726] [] do_vfs_ioctl+0x8a/0x340 [ 345.147733] [] sys_ioctl+0x91/0xa0 [ 345.147742] [] system_call_fastpath+0x16/0x1b [ 345.147746] ---[ end trace 0dda77ce755daecb ]--- [ 345.147749] ------------[ cut here ]------------ [ 345.147778] WARNING: at /build/buildd/linux-lts-quantal-3.5.0/ubuntu/i915/intel_ddi.c:745 intel_ddi_get_crtc_encoder+0x99/0xa0 [i915_hsw]() [ 345.147780] Hardware name: Latitude E6540 [ 345.147783] 2 encoders on crtc for pipe 0 [ 345.147785] Modules linked in: snd_hda_codec_realtek snd_hda_codec_hdmi rfcomm bnep bluetooth mcs7830 coretemp usbnet kvm_intel kvm ghash_clmulni_intel aesni_intel cryptd aes_x86_64 ppdev dell_wmi sparse_keymap dell_laptop dcdbas microcode psmouse serio_raw parport_pc snd_seq_midi snd_rawmidi arc4 snd_seq_midi_event snd_hda_intel snd_hda_codec snd_hwdep snd_seq wmi fglrx(PO) snd_pcm ath9k snd_seq_device mac80211 ath9k_common snd_timer ath9k_hw ath snd uvcvideo lpc_ich cfg80211 i915_hsw videobuf2_core videodev videobuf2_vmalloc videobuf2_memops drm_kms_helper mac_hid drm amd_iommu_v2 soundcore snd_page_alloc i2c_algo_bit video intel_ips lp parport hid_generic usbhid hid e1000e [ 345.147856] Pid: 1758, comm: Xorg Tainted: P W O 3.5.0-23-generic #35~precise1-Ubuntu [ 345.147859] Call Trace: [ 345.147867] [] warn_slowpath_common+0x7f/0xc0 [ 345.147872] [] warn_slowpath_fmt+0x46/0x50 [ 345.147900] [] intel_ddi_get_crtc_encoder+0x99/0xa0 [i915_hsw] [ 345.147926] [] intel_ddi_pll_mode_set+0x2c/0x3c0 [i915_hsw] [ 345.147953] [] haswell_crtc_mode_set+0x178/0x8c0 [i915_hsw] [ 345.147973] [] ? i915_pipe_enabled+0x2e/0x40 [i915_hsw] [ 345.147992] [] ? ivybridge_enable_vblank+0x2c/0x80 [i915_hsw] [ 345.148013] [] ? drm_vblank_get+0x7e/0x1a0 [drm] [ 345.148038] [] intel_crtc_mode_set+0x71/0x140 [i915_hsw] [ 345.148065] [] intel_set_mode+0x28a/0x3f0 [i915_hsw] [ 345.148093] [] intel_crtc_set_config+0x1c4/0x330 [i915_hsw] [ 345.148117] [] drm_mode_setcrtc+0x308/0x560 [drm] [ 345.148142] [] ? intel_crtc_gamma_set+0x63/0x70 [i915_hsw] [ 345.148161] [] drm_ioctl+0x47c/0x540 [drm] [ 345.148186] [] ? drm_mode_setplane+0x3b0/0x3b0 [drm] [ 345.148194] [] ? _raw_spin_unlock_bh+0x19/0x20 [ 345.148203] [] do_vfs_ioctl+0x8a/0x340 [ 345.148210] [] sys_ioctl+0x91/0xa0 [ 345.148218] [] system_call_fastpath+0x16/0x1b [ 345.148222] ---[ end trace 0dda77ce755daecc ]--- [ 345.699076] [drm:intel_dp_set_link_train] *ERROR* Timed out waiting for DP idle patterns [ 345.699085] [drm:i915_write32] *ERROR* Unknown unclaimed register before writing to 64040 [ 345.699500] ------------[ cut here ]------------ [ 345.699543] WARNING: at /build/buildd/linux-lts-quantal-3.5.0/ubuntu/i915/intel_ddi.c:745 intel_ddi_get_crtc_encoder+0x99/0xa0 [i915_hsw]() [ 345.699546] Hardware name: Latitude E6540 [ 345.699549] 2 encoders on crtc for pipe 0 [ 345.699551] Modules linked in: snd_hda_codec_realtek snd_hda_codec_hdmi rfcomm bnep bluetooth mcs7830 coretemp usbnet kvm_intel kvm ghash_clmulni_intel aesni_intel cryptd aes_x86_64 ppdev dell_wmi sparse_keymap dell_laptop dcdbas microcode psmouse serio_raw parport_pc snd_seq_midi snd_rawmidi arc4 snd_seq_midi_event snd_hda_intel snd_hda_codec snd_hwdep snd_seq wmi fglrx(PO) snd_pcm ath9k snd_seq_device mac80211 ath9k_common snd_timer ath9k_hw ath snd uvcvideo lpc_ich cfg80211 i915_hsw videobuf2_core videodev videobuf2_vmalloc videobuf2_memops drm_kms_helper mac_hid drm amd_iommu_v2 soundcore snd_page_alloc i2c_algo_bit video intel_ips lp parport hid_generic usbhid hid e1000e [ 345.699630] Pid: 1758, comm: Xorg Tainted: P W O 3.5.0-23-generic #35~precise1-Ubuntu [ 345.699632] Call Trace: [ 345.699644] [] warn_slowpath_common+0x7f/0xc0 [ 345.699650] [] warn_slowpath_fmt+0x46/0x50 [ 345.699683] [] intel_ddi_get_crtc_encoder+0x99/0xa0 [i915_hsw] [ 345.699712] [] intel_ddi_enable_pipe_clock+0x27/0x60 [i915_hsw] [ 345.699740] [] haswell_crtc_enable+0x128/0x2d0 [i915_hsw] [ 345.699768] [] intel_set_mode+0x38e/0x3f0 [i915_hsw] [ 345.699796] [] intel_crtc_set_config+0x1c4/0x330 [i915_hsw] [ 345.699822] [] drm_mode_setcrtc+0x308/0x560 [drm] [ 345.699848] [] ? intel_crtc_gamma_set+0x63/0x70 [i915_hsw] [ 345.699868] [] drm_ioctl+0x47c/0x540 [drm] [ 345.699893] [] ? drm_mode_setplane+0x3b0/0x3b0 [drm] [ 345.699902] [] ? _raw_spin_unlock_bh+0x19/0x20 [ 345.699910] [] do_vfs_ioctl+0x8a/0x340 [ 345.699918] [] sys_ioctl+0x91/0xa0 [ 345.699926] [] system_call_fastpath+0x16/0x1b [ 345.699930] ---[ end trace 0dda77ce755daecd ]--- [ 345.700120] ------------[ cut here ]------------ [ 345.700147] WARNING: at /build/buildd/linux-lts-quantal-3.5.0/ubuntu/i915/intel_ddi.c:745 intel_ddi_get_crtc_encoder+0x99/0xa0 [i915_hsw]() [ 345.700149] Hardware name: Latitude E6540 [ 345.700152] 2 encoders on crtc for pipe 0 [ 345.700154] Modules linked in: snd_hda_codec_realtek snd_hda_codec_hdmi rfcomm bnep bluetooth mcs7830 coretemp usbnet kvm_intel kvm ghash_clmulni_intel aesni_intel cryptd aes_x86_64 ppdev dell_wmi sparse_keymap dell_laptop dcdbas microcode psmouse serio_raw parport_pc snd_seq_midi snd_rawmidi arc4 snd_seq_midi_event snd_hda_intel snd_hda_codec snd_hwdep snd_seq wmi fglrx(PO) snd_pcm ath9k snd_seq_device mac80211 ath9k_common snd_timer ath9k_hw ath snd uvcvideo lpc_ich cfg80211 i915_hsw videobuf2_core videodev videobuf2_vmalloc videobuf2_memops drm_kms_helper mac_hid drm amd_iommu_v2 soundcore snd_page_alloc i2c_algo_bit video intel_ips lp parport hid_generic usbhid hid e1000e [ 345.700226] Pid: 1758, comm: Xorg Tainted: P W O 3.5.0-23-generic #35~precise1-Ubuntu [ 345.700228] Call Trace: [ 345.700236] [] warn_slowpath_common+0x7f/0xc0 [ 345.700241] [] warn_slowpath_fmt+0x46/0x50 [ 345.700267] [] intel_ddi_get_crtc_encoder+0x99/0xa0 [i915_hsw] [ 345.700293] [] intel_ddi_set_pipe_settings+0x2b/0xd0 [i915_hsw] [ 345.700319] [] haswell_crtc_enable+0x147/0x2d0 [i915_hsw] [ 345.700345] [] intel_set_mode+0x38e/0x3f0 [i915_hsw] [ 345.700372] [] intel_crtc_set_config+0x1c4/0x330 [i915_hsw] [ 345.700396] [] drm_mode_setcrtc+0x308/0x560 [drm] [ 345.700421] [] ? intel_crtc_gamma_set+0x63/0x70 [i915_hsw] [ 345.700440] [] drm_ioctl+0x47c/0x540 [drm] [ 345.700464] [] ? drm_mode_setplane+0x3b0/0x3b0 [drm] [ 345.700472] [] ? _raw_spin_unlock_bh+0x19/0x20 [ 345.700481] [] do_vfs_ioctl+0x8a/0x340 [ 345.700488] [] sys_ioctl+0x91/0xa0 [ 345.700496] [] system_call_fastpath+0x16/0x1b [ 345.700499] ---[ end trace 0dda77ce755daece ]--- [ 345.700502] ------------[ cut here ]------------ [ 345.700526] WARNING: at /build/buildd/linux-lts-quantal-3.5.0/ubuntu/i915/intel_ddi.c:745 intel_ddi_get_crtc_encoder+0x99/0xa0 [i915_hsw]() [ 345.700529] Hardware name: Latitude E6540 [ 345.700531] 2 encoders on crtc for pipe 0 [ 345.700533] Modules linked in: snd_hda_codec_realtek snd_hda_codec_hdmi rfcomm bnep bluetooth mcs7830 coretemp usbnet kvm_intel kvm ghash_clmulni_intel aesni_intel cryptd aes_x86_64 ppdev dell_wmi sparse_keymap dell_laptop dcdbas microcode psmouse serio_raw parport_pc snd_seq_midi snd_rawmidi arc4 snd_seq_midi_event snd_hda_intel snd_hda_codec snd_hwdep snd_seq wmi fglrx(PO) snd_pcm ath9k snd_seq_device mac80211 ath9k_common snd_timer ath9k_hw ath snd uvcvideo lpc_ich cfg80211 i915_hsw videobuf2_core videodev videobuf2_vmalloc videobuf2_memops drm_kms_helper mac_hid drm amd_iommu_v2 soundcore snd_page_alloc i2c_algo_bit video intel_ips lp parport hid_generic usbhid hid e1000e [ 345.700604] Pid: 1758, comm: Xorg Tainted: P W O 3.5.0-23-generic #35~precise1-Ubuntu [ 345.700606] Call Trace: [ 345.700613] [] warn_slowpath_common+0x7f/0xc0 [ 345.700619] [] warn_slowpath_fmt+0x46/0x50 [ 345.700645] [] intel_ddi_get_crtc_encoder+0x99/0xa0 [i915_hsw] [ 345.700670] [] intel_ddi_enable_pipe_func+0x29/0x270 [i915_hsw] [ 345.700696] [] haswell_crtc_enable+0x14f/0x2d0 [i915_hsw] [ 345.700721] [] intel_set_mode+0x38e/0x3f0 [i915_hsw] [ 345.700747] [] intel_crtc_set_config+0x1c4/0x330 [i915_hsw] [ 345.700771] [] drm_mode_setcrtc+0x308/0x560 [drm] [ 345.700796] [] ? intel_crtc_gamma_set+0x63/0x70 [i915_hsw] [ 345.700815] [] drm_ioctl+0x47c/0x540 [drm] [ 345.700839] [] ? drm_mode_setplane+0x3b0/0x3b0 [drm] [ 345.700847] [] ? _raw_spin_unlock_bh+0x19/0x20 [ 345.700855] [] do_vfs_ioctl+0x8a/0x340 [ 345.700863] [] sys_ioctl+0x91/0xa0 [ 345.700870] [] system_call_fastpath+0x16/0x1b [ 345.700873] ---[ end trace 0dda77ce755daecf ]--- [ 345.739173] BUG: unable to handle kernel NULL pointer dereference at 000000000000036c [ 345.739262] IP: [] assert_fdi_tx+0x1a/0xa0 [i915_hsw] [ 345.739355] PGD 0 [ 345.739381] Oops: 0000 [#1] SMP [ 345.739420] CPU 2 [ 345.739441] Modules linked in: snd_hda_codec_realtek snd_hda_codec_hdmi rfcomm bnep bluetooth mcs7830 coretemp usbnet kvm_intel kvm ghash_clmulni_intel aesni_intel cryptd aes_x86_64 ppdev dell_wmi sparse_keymap dell_laptop dcdbas microcode psmouse serio_raw parport_pc snd_seq_midi snd_rawmidi arc4 snd_seq_midi_event snd_hda_intel snd_hda_codec snd_hwdep snd_seq wmi fglrx(PO) snd_pcm ath9k snd_seq_device mac80211 ath9k_common snd_timer ath9k_hw ath snd uvcvideo lpc_ich cfg80211 i915_hsw videobuf2_core videodev videobuf2_vmalloc videobuf2_memops drm_kms_helper mac_hid drm amd_iommu_v2 soundcore snd_page_alloc i2c_algo_bit video intel_ips lp parport hid_generic usbhid hid e1000e [ 345.740195] [ 345.740202] Pid: 1758, comm: Xorg Tainted: P W O 3.5.0-23-generic #35~precise1-Ubuntu Dell Inc. Latitude E6540/01MV7D [ 345.740312] RIP: 0010:[] [] assert_fdi_tx+0x1a/0xa0 [i915_hsw] [ 345.740421] RSP: 0018:ffff88006e4a7928 EFLAGS: 00010296 [ 345.740471] RAX: 0000000000000004 RBX: 0000000000000001 RCX: 00000000b09248f6 [ 345.740536] RDX: 0000000000000001 RSI: 000000000000000f RDI: ffff88006de78000 [ 345.740600] RBP: ffff88006e4a7938 R08: 000000000001a5e0 R09: 0000000000000000 [ 345.740664] R10: 0000000000000020 R11: 0000000000000001 R12: 000000000000f000 [ 345.740727] R13: 000000000000000f R14: ffff88006de78000 R15: 0000000000000000 [ 345.740793] FS: 00007f19cbdb0880(0000) GS:ffff880100280000(0000) knlGS:0000000000000000 [ 345.740865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 345.740917] CR2: 000000000000036c CR3: 00000000752ae000 CR4: 00000000001407e0 [ 345.740982] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 345.741046] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 345.741111] Process Xorg (pid: 1758, threadinfo ffff88006e4a6000, task ffff88003630dc00) [ 345.741182] Stack: [ 345.741202] 000000005de09800 ffff88006de78000 ffff88006e4a7968 ffffffffa0163b63 [ 345.741283] 000000000000f000 ffff88006de78000 000000000000f000 000000000000000f [ 345.741362] ffff88006e4a7998 ffffffffa0163d9b ffff88005de09800 ffff88005de09800 [ 345.741442] Call Trace: [ 345.741494] [] lpt_enable_pch_transcoder+0x33/0x140 [i915_hsw] [ 345.741593] [] lpt_pch_enable+0x12b/0x140 [i915_hsw] [ 345.741676] [] haswell_crtc_enable+0x2a8/0x2d0 [i915_hsw] [ 345.741765] [] intel_set_mode+0x38e/0x3f0 [i915_hsw] [ 345.741850] [] intel_crtc_set_config+0x1c4/0x330 [i915_hsw] [ 345.741939] [] drm_mode_setcrtc+0x308/0x560 [drm] [ 345.742022] [] ? intel_crtc_gamma_set+0x63/0x70 [i915_hsw] [ 345.742102] [] drm_ioctl+0x47c/0x540 [drm] [ 345.742177] [] ? drm_mode_setplane+0x3b0/0x3b0 [drm] [ 345.742244] [] ? _raw_spin_unlock_bh+0x19/0x20 [ 345.742304] [] do_vfs_ioctl+0x8a/0x340 [ 345.742358] [] sys_ioctl+0x91/0xa0 [ 345.742410] [] system_call_fastpath+0x16/0x1b [ 345.742464] Code: 28 39 1a a0 31 c0 e8 36 74 ef e0 e9 7f fe ff ff 90 55 48 89 e5 53 48 83 ec 08 0f 1f 44 00 00 89 f0 89 d3 48 8b 84 c7 30 22 00 00 <8b> 90 68 03 00 00 48 8b 07 48 8b 80 48 03 00 00 48 8b 40 08 f6 [ 345.742834] RIP [] assert_fdi_tx+0x1a/0xa0 [i915_hsw] [ 345.742920] RSP [ 345.742953] CR2: 000000000000036c root@atitest-Latitude-E6540:~#