Attachment 102235 Details for Bug 80892 – dmesg

dmesg

dmesg_gem_reloc_vs_gpu_bsw_0704.txt (text/plain), 124.51 KB, created by Guo Jinxian on 2014-07-04 06:05:55 UTC

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Description:

Filename:

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Creator: Guo Jinxian

Created: 2014-07-04 06:05:55 UTC

Size: 124.51 KB

patch

obsolete

>[    4.701865]  [<ffffffffa00c30d9>] ? intel_dp_detect+0x44/0x27a [i915]
>[    4.701878]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.701893]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.701908]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.701980]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.701992]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.702012]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.702022]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.702041]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.702052]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.702062]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.702072]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.702083]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.702094]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.702104]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.702114]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.702124]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.702134]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.702144]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.702153]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.702163]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.702173]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.702183]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.702194]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.702204]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.702212] ---[ end trace 019ce351cdfabf36 ]---
>[    4.705623] ------------[ cut here ]------------
>[    4.705678] WARNING: CPU: 2 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.705688] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.705711] CPU: 2 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.705721]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.705733]  ffffffff8103983c 000000000000000d ffffffffa0068664 ffffffffa00ecde5
>[    4.705745]  00000000000c0000 00000000000c0000 ffff880002c90000 ffff880002c98340
>[    4.705757] Call Trace:
>[    4.705766]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.705776]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.705828]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.705880]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.705933]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.705986]  [<ffffffffa006de0f>] ? intel_display_power_get+0x86/0xbe [i915]
>[    4.706055]  [<ffffffffa00c30d9>] ? intel_dp_detect+0x44/0x27a [i915]
>[    4.706068]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.706083]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.706098]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.706169]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.706182]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.706201]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.706212]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.706231]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.706241]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.706252]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.706261]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.706272]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.706283]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.706293]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.706303]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.706313]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.706323]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.706332]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.706341]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.706352]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.706361]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.706372]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.706383]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.706392]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.706400] ---[ end trace 019ce351cdfabf37 ]---
>[    4.706406] ------------[ cut here ]------------
>[    4.706458] WARNING: CPU: 2 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6205 check_power_well_state+0x69/0x6f [i915]()
>[    4.706469] state mismatch for 'dpio-tx-c-23' (always_on 0 hw state 0 use-count 6 disable_power_well 1
>[    4.706478] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.706499] CPU: 2 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.706509]  0000000000000000 0000000000000009 ffffffff8177f9bf ffff8800730d3828
>[    4.706521]  ffffffff8103983c 0000000000000000 ffffffffa0069e5c 0000000000000000
>[    4.706533]  ffffffffa00ff2f0 ffffffffa00ff2f0 0000000000000005 0000000000002000
>[    4.706545] Call Trace:
>[    4.706553]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.706563]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.706615]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.706638]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
>[    4.706689]  [<ffffffffa0068681>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    4.706742]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.706796]  [<ffffffffa006de0f>] ? intel_display_power_get+0x86/0xbe [i915]
>[    4.706864]  [<ffffffffa00c30d9>] ? intel_dp_detect+0x44/0x27a [i915]
>[    4.706877]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.706893]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.706907]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.706979]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.706991]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.707011]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.707021]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.707040]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.707050]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.707061]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.707071]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.707082]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.707092]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.707102]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.707112]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.707122]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.707132]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.707141]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.707150]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.707161]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.707170]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.707181]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.707192]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.707202]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.707210] ---[ end trace 019ce351cdfabf38 ]---
>[    4.710626] [drm:intel_dp_detect] [CONNECTOR:24:DP-1]
>[    4.713140] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x71450064
>[    4.717120] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x71450064
>[    4.721117] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x71450064
>[    4.730626] ------------[ cut here ]------------
>[    4.730682] WARNING: CPU: 2 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.730692] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.730715] CPU: 2 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.730725]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.730737]  ffffffff8103983c 0000000020000000 ffffffffa0068664 ffff88007314d8d8
>[    4.730749]  00000000000c0000 00000000000c0000 ffff880002c90000 ffff880002c98340
>[    4.730761] Call Trace:
>[    4.730770]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.730781]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.730832]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.730884]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.730937]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.730948]  [<ffffffff817840c6>] ? mutex_lock+0x9/0x25
>[    4.731001]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.731070]  [<ffffffffa00c32f6>] ? intel_dp_detect+0x261/0x27a [i915]
>[    4.731083]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.731098]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.731113]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.731184]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.731197]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.731217]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.731227]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.731246]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.731256]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.731267]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.731277]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.731287]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.731298]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.731308]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.731318]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.731328]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.731338]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.731347]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.731356]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.731367]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.731376]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.731387]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.731398]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.731408]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.731416] ---[ end trace 019ce351cdfabf39 ]---
>[    4.731421] ------------[ cut here ]------------
>[    4.731473] WARNING: CPU: 2 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6205 check_power_well_state+0x69/0x6f [i915]()
>[    4.731484] state mismatch for 'dpio-tx-c-23' (always_on 0 hw state 0 use-count 5 disable_power_well 1
>[    4.731493] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.731515] CPU: 2 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.731524]  0000000000000000 0000000000000009 ffffffff8177f9bf ffff8800730d3838
>[    4.731536]  ffffffff8103983c 0000000000000000 ffffffffa0069e5c 0000000000000000
>[    4.731548]  ffffffffa00ff2f0 ffffffffa00ff2f0 0000000000000005 0000000000002000
>[    4.731560] Call Trace:
>[    4.731569]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.731579]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.731631]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.731653]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
>[    4.731705]  [<ffffffffa0068681>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    4.731757]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.731811]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.731880]  [<ffffffffa00c32f6>] ? intel_dp_detect+0x261/0x27a [i915]
>[    4.731893]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.731908]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.731923]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.731994]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.732006]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.732026]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.732037]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.732056]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.732066]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.732076]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.732086]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.732097]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.732108]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.732118]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.732128]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.732138]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.732148]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.732157]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.732166]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.732177]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.732186]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.732197]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.732208]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.732218]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.732225] ---[ end trace 019ce351cdfabf3a ]---
>[    4.735627] ------------[ cut here ]------------
>[    4.735682] WARNING: CPU: 2 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.735692] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.735715] CPU: 2 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.735724]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.735737]  ffffffff8103983c 0000000020000000 ffffffffa0068664 ffffffffa00ecde5
>[    4.735749]  0000000000030000 0000000000030000 ffff880002c90000 ffff880002c98340
>[    4.735761] Call Trace:
>[    4.735770]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.735780]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.735832]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.735884]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.735937]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.735990]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.736059]  [<ffffffffa00c32f6>] ? intel_dp_detect+0x261/0x27a [i915]
>[    4.736072]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.736088]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.736102]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.736173]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.736186]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.736206]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.736216]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.736235]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.736245]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.736256]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.736266]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.736277]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.736287]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.736297]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.736307]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.736317]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.736328]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.736337]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.736346]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.736356]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.736366]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.736376]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.736387]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.736397]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.736405] ---[ end trace 019ce351cdfabf3b ]---
>[    4.736411] ------------[ cut here ]------------
>[    4.736462] WARNING: CPU: 2 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6205 check_power_well_state+0x69/0x6f [i915]()
>[    4.736473] state mismatch for 'dpio-tx-c-01' (always_on 0 hw state 0 use-count 5 disable_power_well 1
>[    4.736482] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.736504] CPU: 2 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.736513]  0000000000000000 0000000000000009 ffffffff8177f9bf ffff8800730d3838
>[    4.736526]  ffffffff8103983c 0000000000000000 ffffffffa0069e5c 0000000000000000
>[    4.736537]  ffffffffa00ff2c0 ffffffffa00ff2c0 0000000000000004 0000000000002000
>[    4.736549] Call Trace:
>[    4.736558]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.736568]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.736620]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.736642]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
>[    4.736694]  [<ffffffffa0068681>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    4.736746]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.736800]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.736869]  [<ffffffffa00c32f6>] ? intel_dp_detect+0x261/0x27a [i915]
>[    4.736882]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.736897]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.736912]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.736983]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.736996]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.737015]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.737026]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.737045]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.737055]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.737066]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.737075]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.737086]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.737097]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.737107]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.737117]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.737127]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.737138]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.737147]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.737156]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.737166]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.737176]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.737186]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.737197]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.737207]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.737215] ---[ end trace 019ce351cdfabf3c ]---
>[    4.740633] ------------[ cut here ]------------
>[    4.740690] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.740700] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.740723] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.740733]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.740745]  ffffffff8103983c 0000000020000000 ffffffffa0068664 ffffffffa00ecde5
>[    4.740757]  000000000000c000 000000000000c000 ffff880002c90000 ffff880002c98340
>[    4.740769] Call Trace:
>[    4.740778]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.740789]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.740840]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.740892]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.740945]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.740999]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.741067]  [<ffffffffa00c32f6>] ? intel_dp_detect+0x261/0x27a [i915]
>[    4.741081]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.741096]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.741110]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.741182]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.741194]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.741214]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.741224]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.741243]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.741253]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.741264]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.741274]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.741285]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.741295]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.741305]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.741315]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.741325]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.741336]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.741345]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.741354]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.741364]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.741374]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.741384]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.741395]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.741405]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.741413] ---[ end trace 019ce351cdfabf3d ]---
>[    4.741419] ------------[ cut here ]------------
>[    4.741470] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6205 check_power_well_state+0x69/0x6f [i915]()
>[    4.741481] state mismatch for 'dpio-tx-b-23' (always_on 0 hw state 0 use-count 5 disable_power_well 1
>[    4.741490] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.741512] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.741521]  0000000000000000 0000000000000009 ffffffff8177f9bf ffff8800730d3838
>[    4.741534]  ffffffff8103983c 0000000000000000 ffffffffa0069e5c 0000000000000000
>[    4.741545]  ffffffffa00ff290 ffffffffa00ff290 0000000000000003 0000000000002000
>[    4.741557] Call Trace:
>[    4.741566]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.741576]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.741628]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.741660]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
>[    4.741712]  [<ffffffffa0068681>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    4.741765]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.741819]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.741887]  [<ffffffffa00c32f6>] ? intel_dp_detect+0x261/0x27a [i915]
>[    4.741901]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.741916]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.741930]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.742002]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.742014]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.742034]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.742044]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.742063]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.742073]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.742084]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.742094]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.742105]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.742115]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.742125]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.742135]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.742145]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.742156]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.742165]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.742174]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.742184]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.742193]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.742204]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.742215]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.742225]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.742233] ---[ end trace 019ce351cdfabf3e ]---
>[    4.745626] ------------[ cut here ]------------
>[    4.745681] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.745691] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.745713] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.745723]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.745735]  ffffffff8103983c 0000000020000000 ffffffffa0068664 0000000020000000
>[    4.745747]  0000000000003000 0000000000003000 ffff880002c90000 ffff880002c98340
>[    4.745759] Call Trace:
>[    4.745768]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.745778]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.745830]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.745882]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.745935]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.745989]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.746057]  [<ffffffffa00c32f6>] ? intel_dp_detect+0x261/0x27a [i915]
>[    4.746070]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.746086]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.746100]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.746171]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.746184]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.746204]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.746214]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.746233]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.746243]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.746254]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.746264]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.746274]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.746285]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.746295]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.746305]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.746315]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.746325]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.746334]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.746343]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.746354]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.746363]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.746374]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.746385]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.746395]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.746402] ---[ end trace 019ce351cdfabf3f ]---
>[    4.746408] ------------[ cut here ]------------
>[    4.746460] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6205 check_power_well_state+0x69/0x6f [i915]()
>[    4.746471] state mismatch for 'dpio-tx-b-01' (always_on 0 hw state 0 use-count 5 disable_power_well 1
>[    4.746480] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.746502] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.746511]  0000000000000000 0000000000000009 ffffffff8177f9bf ffff8800730d3838
>[    4.746523]  ffffffff8103983c 0000000000000000 ffffffffa0069e5c 0000000000000000
>[    4.746535]  ffffffffa00ff260 ffffffffa00ff260 0000000000000002 0000000000002000
>[    4.746547] Call Trace:
>[    4.746555]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.746566]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.746617]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.746640]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
>[    4.746692]  [<ffffffffa0068681>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    4.746744]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.746798]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.746866]  [<ffffffffa00c32f6>] ? intel_dp_detect+0x261/0x27a [i915]
>[    4.746880]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.746895]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.746909]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.746981]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.746993]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.747013]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.747024]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.747043]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.747053]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.747063]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.747073]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.747084]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.747094]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.747104]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.747114]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.747124]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.747135]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.747144]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.747153]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.747163]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.747172]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.747183]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.747194]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.747204]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.747211] ---[ end trace 019ce351cdfabf40 ]---
>[    4.750626] ------------[ cut here ]------------
>[    4.750681] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.750690] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.750713] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.750723]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.750735]  ffffffff8103983c 0000000020000000 ffffffffa0068664 ffffffffa00ecde5
>[    4.750747]  00000000000000c0 0000000000000000 ffff880002c90000 ffff880002c98340
>[    4.750759] Call Trace:
>[    4.750768]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.750778]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.750830]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.750883]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.750935]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.750989]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.751057]  [<ffffffffa00c32f6>] ? intel_dp_detect+0x261/0x27a [i915]
>[    4.751071]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.751086]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.751100]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.751172]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.751184]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.751204]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.751214]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.751233]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.751243]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.751254]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.751264]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.751275]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.751285]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.751295]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.751305]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.751315]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.751326]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.751335]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.751344]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.751354]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.751364]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.751374]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.751385]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.751395]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.751403] ---[ end trace 019ce351cdfabf41 ]---
>[    4.751411] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:24:DP-1] disconnected
>[    4.751417] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:26:HDMI-A-2]
>[    4.751421] [drm:intel_hdmi_detect] [CONNECTOR:26:HDMI-A-2]
>[    4.754626] ------------[ cut here ]------------
>[    4.754681] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.754691] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.754713] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.754723]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.754735]  ffffffff8103983c 000000000000000f ffffffffa0068664 0000000000000004
>[    4.754747]  00000000000000c0 0000000000000000 ffff880002c90000 ffff880002c98340
>[    4.754759] Call Trace:
>[    4.754768]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.754778]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.754830]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.754882]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.754934]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.754946]  [<ffffffff817840c6>] ? mutex_lock+0x9/0x25
>[    4.754998]  [<ffffffffa006de0f>] ? intel_display_power_get+0x86/0xbe [i915]
>[    4.755068]  [<ffffffffa00c9c05>] ? intel_hdmi_detect+0x59/0x115 [i915]
>[    4.755081]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.755096]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.755110]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.755182]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.755194]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.755214]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.755225]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.755244]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.755254]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.755264]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.755274]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.755285]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.755296]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.755306]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.755316]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.755326]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.755336]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.755345]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.755354]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.755365]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.755374]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.755385]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.755396]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.755406]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.755413] ---[ end trace 019ce351cdfabf42 ]---
>[    4.758626] ------------[ cut here ]------------
>[    4.758681] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.758691] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.758714] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.758723]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.758736]  ffffffff8103983c 000000000000000f ffffffffa0068664 0000000000000004
>[    4.758747]  0000000000003000 0000000000003000 ffff880002c90000 ffff880002c98340
>[    4.758760] Call Trace:
>[    4.758769]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.758779]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.758831]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.758883]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.758935]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.758946]  [<ffffffff817840c6>] ? mutex_lock+0x9/0x25
>[    4.758999]  [<ffffffffa006de0f>] ? intel_display_power_get+0x86/0xbe [i915]
>[    4.759068]  [<ffffffffa00c9c05>] ? intel_hdmi_detect+0x59/0x115 [i915]
>[    4.759082]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.759097]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.759111]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.759183]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.759195]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.759215]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.759225]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.759244]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.759254]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.759265]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.759275]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.759286]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.759296]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.759306]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.759316]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.759326]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.759337]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.759346]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.759355]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.759365]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.759375]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.759385]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.759396]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.759406]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.759414] ---[ end trace 019ce351cdfabf43 ]---
>[    4.759420] ------------[ cut here ]------------
>[    4.759472] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6205 check_power_well_state+0x69/0x6f [i915]()
>[    4.759483] state mismatch for 'dpio-tx-b-01' (always_on 0 hw state 0 use-count 6 disable_power_well 1
>[    4.759492] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.759513] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.759523]  0000000000000000 0000000000000009 ffffffff8177f9bf ffff8800730d3858
>[    4.759535]  ffffffff8103983c 0000000000000000 ffffffffa0069e5c 0000000000000000
>[    4.759547]  ffffffffa00ff260 ffffffffa00ff260 0000000000000002 0000000000008000
>[    4.759559] Call Trace:
>[    4.759567]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.759577]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.759629]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.759652]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
>[    4.759704]  [<ffffffffa0068681>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    4.759757]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.759810]  [<ffffffffa006de0f>] ? intel_display_power_get+0x86/0xbe [i915]
>[    4.759880]  [<ffffffffa00c9c05>] ? intel_hdmi_detect+0x59/0x115 [i915]
>[    4.759893]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.759908]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.759922]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.759994]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.760006]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.760026]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.760036]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.760055]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.760065]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.760076]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.760086]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.760097]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.760107]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.760117]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.760127]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.760137]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.760147]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.760157]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.760166]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.760176]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.760185]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.760196]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.760207]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.760217]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.760225] ---[ end trace 019ce351cdfabf44 ]---
>[    4.763626] ------------[ cut here ]------------
>[    4.763681] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.763691] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.763713] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.763723]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.763735]  ffffffff8103983c 000000000000000f ffffffffa0068664 ffffffffa00ecde5
>[    4.763747]  000000000000c000 000000000000c000 ffff880002c90000 ffff880002c98340
>[    4.763759] Call Trace:
>[    4.763768]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.763779]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.763830]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.763883]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.763935]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.763989]  [<ffffffffa006de0f>] ? intel_display_power_get+0x86/0xbe [i915]
>[    4.764058]  [<ffffffffa00c9c05>] ? intel_hdmi_detect+0x59/0x115 [i915]
>[    4.764071]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.764087]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.764101]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.764172]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.764185]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.764205]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.764215]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.764234]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.764244]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.764255]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.764264]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.764275]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.764286]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.764296]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.764306]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.764316]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.764326]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.764335]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.764344]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.764355]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.764364]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.764375]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.764386]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.764396]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.764403] ---[ end trace 019ce351cdfabf45 ]---
>[    4.764409] ------------[ cut here ]------------
>[    4.764461] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6205 check_power_well_state+0x69/0x6f [i915]()
>[    4.764472] state mismatch for 'dpio-tx-b-23' (always_on 0 hw state 0 use-count 6 disable_power_well 1
>[    4.764481] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.764502] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.764512]  0000000000000000 0000000000000009 ffffffff8177f9bf ffff8800730d3858
>[    4.764524]  ffffffff8103983c 0000000000000000 ffffffffa0069e5c 0000000000000000
>[    4.764536]  ffffffffa00ff290 ffffffffa00ff290 0000000000000003 0000000000008000
>[    4.764548] Call Trace:
>[    4.764556]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.764566]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.764618]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.764641]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
>[    4.764693]  [<ffffffffa0068681>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    4.764746]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.764800]  [<ffffffffa006de0f>] ? intel_display_power_get+0x86/0xbe [i915]
>[    4.764869]  [<ffffffffa00c9c05>] ? intel_hdmi_detect+0x59/0x115 [i915]
>[    4.764882]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.764897]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.764912]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.764983]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.764996]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.765015]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.765026]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.765045]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.765055]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.765065]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.765075]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.765086]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.765097]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.765107]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.765116]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.765127]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.765137]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.765146]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.765155]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.765165]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.765175]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.765185]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.765196]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.765206]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.765214] ---[ end trace 019ce351cdfabf46 ]---
>[    4.768626] ------------[ cut here ]------------
>[    4.768682] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.768691] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.768714] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.768724]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.768736]  ffffffff8103983c 000000000000000f ffffffffa0068664 ffffffffa00ecde5
>[    4.768748]  0000000000030000 0000000000030000 ffff880002c90000 ffff880002c98340
>[    4.768760] Call Trace:
>[    4.768769]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.768779]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.768831]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.768883]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.768936]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.768990]  [<ffffffffa006de0f>] ? intel_display_power_get+0x86/0xbe [i915]
>[    4.769059]  [<ffffffffa00c9c05>] ? intel_hdmi_detect+0x59/0x115 [i915]
>[    4.769073]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.769088]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.769102]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.769174]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.769186]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.769206]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.769217]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.769236]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.769246]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.769256]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.769266]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.769277]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.769288]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.769298]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.769308]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.769318]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.769329]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.769338]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.769347]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.769357]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.769367]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.769377]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.769388]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.769398]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.769406] ---[ end trace 019ce351cdfabf47 ]---
>[    4.769412] ------------[ cut here ]------------
>[    4.769464] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6205 check_power_well_state+0x69/0x6f [i915]()
>[    4.769475] state mismatch for 'dpio-tx-c-01' (always_on 0 hw state 0 use-count 6 disable_power_well 1
>[    4.769484] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.769505] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.769515]  0000000000000000 0000000000000009 ffffffff8177f9bf ffff8800730d3858
>[    4.769527]  ffffffff8103983c 0000000000000000 ffffffffa0069e5c 0000000000000000
>[    4.769539]  ffffffffa00ff2c0 ffffffffa00ff2c0 0000000000000004 0000000000008000
>[    4.769551] Call Trace:
>[    4.769559]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.769569]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.769621]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.769645]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
>[    4.769698]  [<ffffffffa0068681>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    4.769750]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.769804]  [<ffffffffa006de0f>] ? intel_display_power_get+0x86/0xbe [i915]
>[    4.769873]  [<ffffffffa00c9c05>] ? intel_hdmi_detect+0x59/0x115 [i915]
>[    4.769886]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.769901]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.769916]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.769987]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.769999]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.770019]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.770030]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.770049]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.770059]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.770070]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.770080]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.770091]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.770101]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.770111]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.770121]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.770131]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.770141]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.770150]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.770159]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.770170]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.770179]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.770190]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.770201]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.770211]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.770219] ---[ end trace 019ce351cdfabf48 ]---
>[    4.773627] ------------[ cut here ]------------
>[    4.773682] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.773692] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.773714] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.773724]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.773736]  ffffffff8103983c 000000000000000f ffffffffa0068664 ffffffffa00ecde5
>[    4.773748]  00000000000c0000 00000000000c0000 ffff880002c90000 ffff880002c98340
>[    4.773760] Call Trace:
>[    4.773769]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.773779]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.773831]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.773883]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.773936]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.773990]  [<ffffffffa006de0f>] ? intel_display_power_get+0x86/0xbe [i915]
>[    4.774059]  [<ffffffffa00c9c05>] ? intel_hdmi_detect+0x59/0x115 [i915]
>[    4.774072]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.774087]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.774102]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.774173]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.774186]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.774206]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.774216]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.774235]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.774245]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.774256]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.774265]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.774276]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.774287]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.774297]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.774307]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.774317]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.774327]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.774336]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.774345]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.774356]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.774365]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.774376]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.774387]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.774397]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.774404] ---[ end trace 019ce351cdfabf49 ]---
>[    4.774410] ------------[ cut here ]------------
>[    4.774462] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6205 check_power_well_state+0x69/0x6f [i915]()
>[    4.774473] state mismatch for 'dpio-tx-c-23' (always_on 0 hw state 0 use-count 6 disable_power_well 1
>[    4.774482] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.774504] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.774513]  0000000000000000 0000000000000009 ffffffff8177f9bf ffff8800730d3858
>[    4.774525]  ffffffff8103983c 0000000000000000 ffffffffa0069e5c 0000000000000000
>[    4.774537]  ffffffffa00ff2f0 ffffffffa00ff2f0 0000000000000005 0000000000008000
>[    4.774549] Call Trace:
>[    4.774557]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.774568]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.774620]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.774642]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
>[    4.774694]  [<ffffffffa0068681>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    4.774746]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.774800]  [<ffffffffa006de0f>] ? intel_display_power_get+0x86/0xbe [i915]
>[    4.774869]  [<ffffffffa00c9c05>] ? intel_hdmi_detect+0x59/0x115 [i915]
>[    4.774882]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.774898]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.774912]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.774983]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.774996]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.775015]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.775026]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.775045]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.775055]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.775065]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.775075]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.775086]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.775097]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.775107]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.775117]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.775127]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.775137]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.775146]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.775155]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.775165]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.775175]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.775186]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.775196]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.775206]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.775214] ---[ end trace 019ce351cdfabf4a ]---
>[    4.829628] [drm] GMBUS [i915 gmbus dpc] timed out, falling back to bit banging on pin 4
>[    4.839638] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc
>[    4.847629] ------------[ cut here ]------------
>[    4.847685] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.847694] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.847717] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.847727]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.847739]  ffffffff8103983c ffff880073303400 ffffffffa0068664 ffff880073303400
>[    4.847751]  00000000000c0000 00000000000c0000 ffff880002c90000 ffff880002c98340
>[    4.847763] Call Trace:
>[    4.847772]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.847783]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.847834]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.847886]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.847939]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.847950]  [<ffffffff817840c6>] ? mutex_lock+0x9/0x25
>[    4.848003]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.848073]  [<ffffffffa00c9cb5>] ? intel_hdmi_detect+0x109/0x115 [i915]
>[    4.848086]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.848101]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.848116]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.848187]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.848199]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.848219]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.848230]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.848249]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.848259]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.848270]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.848279]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.848290]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.848301]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.848311]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.848321]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.848331]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.848341]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.848350]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.848359]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.848370]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.848379]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.848390]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.848401]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.848411]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.848418] ---[ end trace 019ce351cdfabf4b ]---
>[    4.848424] ------------[ cut here ]------------
>[    4.848476] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6205 check_power_well_state+0x69/0x6f [i915]()
>[    4.848487] state mismatch for 'dpio-tx-c-23' (always_on 0 hw state 0 use-count 5 disable_power_well 1
>[    4.848496] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.848518] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.848527]  0000000000000000 0000000000000009 ffffffff8177f9bf ffff8800730d3868
>[    4.848539]  ffffffff8103983c 0000000000000000 ffffffffa0069e5c 0000000000000000
>[    4.848551]  ffffffffa00ff2f0 ffffffffa00ff2f0 0000000000000005 0000000000008000
>[    4.848563] Call Trace:
>[    4.848571]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.848581]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.848633]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.848656]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
>[    4.848708]  [<ffffffffa0068681>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    4.848760]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.848814]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.848884]  [<ffffffffa00c9cb5>] ? intel_hdmi_detect+0x109/0x115 [i915]
>[    4.848897]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.848912]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.848926]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.848998]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.849010]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.849030]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.849040]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.849060]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.849070]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.849080]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.849090]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.849101]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.849111]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.849121]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.849131]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.849142]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.849152]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.849161]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.849170]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.849180]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.849190]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.849200]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.849211]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.849221]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.849229] ---[ end trace 019ce351cdfabf4c ]---
>[    4.852630] ------------[ cut here ]------------
>[    4.852685] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.852695] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.852718] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.852728]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.852740]  ffffffff8103983c ffff880073303400 ffffffffa0068664 ffffffffa00ecde5
>[    4.852752]  0000000000030000 0000000000030000 ffff880002c90000 ffff880002c98340
>[    4.852764] Call Trace:
>[    4.852773]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.852783]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.852835]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.852887]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.852939]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.852993]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.853063]  [<ffffffffa00c9cb5>] ? intel_hdmi_detect+0x109/0x115 [i915]
>[    4.853076]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.853091]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.853105]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.853177]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.853189]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.853209]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.853220]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.853239]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.853249]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.853259]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.853269]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.853280]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.853291]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.853301]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.853311]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.853321]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.853331]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.853340]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.853349]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.853360]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.853369]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.853380]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.853391]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.853401]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.853408] ---[ end trace 019ce351cdfabf4d ]---
>[    4.853414] ------------[ cut here ]------------
>[    4.853466] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6205 check_power_well_state+0x69/0x6f [i915]()
>[    4.853477] state mismatch for 'dpio-tx-c-01' (always_on 0 hw state 0 use-count 5 disable_power_well 1
>[    4.853486] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.853508] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.853517]  0000000000000000 0000000000000009 ffffffff8177f9bf ffff8800730d3868
>[    4.853529]  ffffffff8103983c 0000000000000000 ffffffffa0069e5c 0000000000000000
>[    4.853541]  ffffffffa00ff2c0 ffffffffa00ff2c0 0000000000000004 0000000000008000
>[    4.853553] Call Trace:
>[    4.853561]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.853571]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.853623]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.853646]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
>[    4.853698]  [<ffffffffa0068681>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    4.853750]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.853804]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.853874]  [<ffffffffa00c9cb5>] ? intel_hdmi_detect+0x109/0x115 [i915]
>[    4.853887]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.853902]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.853916]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.853988]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.854000]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.854020]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.854031]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.854050]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.854060]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.854070]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.854080]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.854091]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.854101]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.854111]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.854121]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.854132]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.854142]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.854151]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.854160]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.854170]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.854180]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.854190]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.854201]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.854211]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.854219] ---[ end trace 019ce351cdfabf4e ]---
>[    4.857631] ------------[ cut here ]------------
>[    4.857686] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.857695] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.857718] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.857728]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.857740]  ffffffff8103983c ffff880073303400 ffffffffa0068664 ffffffffa00ecde5
>[    4.857752]  000000000000c000 000000000000c000 ffff880002c90000 ffff880002c98340
>[    4.857764] Call Trace:
>[    4.857773]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.857783]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.857835]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.857887]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.857940]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.857994]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.858063]  [<ffffffffa00c9cb5>] ? intel_hdmi_detect+0x109/0x115 [i915]
>[    4.858077]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.858092]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.858106]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.858178]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.858190]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.858210]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.858220]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.858239]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.858249]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.858260]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.858270]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.858281]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.858291]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.858301]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.858311]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.858321]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.858332]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.858341]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.858350]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.858360]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.858370]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.858380]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.858391]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.858401]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.858409] ---[ end trace 019ce351cdfabf4f ]---
>[    4.858415] ------------[ cut here ]------------
>[    4.858467] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6205 check_power_well_state+0x69/0x6f [i915]()
>[    4.858478] state mismatch for 'dpio-tx-b-23' (always_on 0 hw state 0 use-count 5 disable_power_well 1
>[    4.858486] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.858508] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.858518]  0000000000000000 0000000000000009 ffffffff8177f9bf ffff8800730d3868
>[    4.858530]  ffffffff8103983c 0000000000000000 ffffffffa0069e5c 0000000000000000
>[    4.858542]  ffffffffa00ff290 ffffffffa00ff290 0000000000000003 0000000000008000
>[    4.858554] Call Trace:
>[    4.858562]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.858572]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.858624]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.858648]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
>[    4.858700]  [<ffffffffa0068681>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    4.858753]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.858807]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.858876]  [<ffffffffa00c9cb5>] ? intel_hdmi_detect+0x109/0x115 [i915]
>[    4.858889]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.858905]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.858919]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.858990]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.859002]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.859022]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.859033]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.859052]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.859062]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.859072]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.859082]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.859093]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.859104]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.859114]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.859124]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.859134]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.859144]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.859153]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.859162]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.859173]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.859182]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.859193]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.859203]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.859213]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.859221] ---[ end trace 019ce351cdfabf50 ]---
>[    4.862631] ------------[ cut here ]------------
>[    4.862686] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.862696] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.862718] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.862728]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.862740]  ffffffff8103983c ffff880073303400 ffffffffa0068664 ffffffffa00ecde5
>[    4.862752]  0000000000003000 0000000000003000 ffff880002c90000 ffff880002c98340
>[    4.862764] Call Trace:
>[    4.862774]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.862784]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.862836]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.862888]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.862940]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.862994]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.863063]  [<ffffffffa00c9cb5>] ? intel_hdmi_detect+0x109/0x115 [i915]
>[    4.863077]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.863092]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.863106]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.863178]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.863190]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.863210]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.863221]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.863240]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.863250]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.863260]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.863270]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.863281]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.863292]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.863302]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.863312]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.863322]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.863332]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.863341]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.863350]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.863361]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.863370]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.863381]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.863392]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.863402]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.863409] ---[ end trace 019ce351cdfabf51 ]---
>[    4.863415] ------------[ cut here ]------------
>[    4.863467] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6205 check_power_well_state+0x69/0x6f [i915]()
>[    4.863478] state mismatch for 'dpio-tx-b-01' (always_on 0 hw state 0 use-count 5 disable_power_well 1
>[    4.863487] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.863508] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.863518]  0000000000000000 0000000000000009 ffffffff8177f9bf ffff8800730d3868
>[    4.863530]  ffffffff8103983c 0000000000000000 ffffffffa0069e5c 0000000000000000
>[    4.863542]  ffffffffa00ff260 ffffffffa00ff260 0000000000000002 0000000000008000
>[    4.863554] Call Trace:
>[    4.863562]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.863572]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.863624]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.863647]  [<ffffffff810398ec>] ? warn_slowpath_fmt+0x45/0x4a
>[    4.863699]  [<ffffffffa0068681>] ? vlv_power_well_enabled+0x85/0x91 [i915]
>[    4.863751]  [<ffffffffa0069e5c>] ? check_power_well_state+0x69/0x6f [i915]
>[    4.863805]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.863874]  [<ffffffffa00c9cb5>] ? intel_hdmi_detect+0x109/0x115 [i915]
>[    4.863888]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.863903]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.863917]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.863989]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.864001]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.864021]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.864031]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.864050]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.864060]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.864071]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.864081]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.864092]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.864102]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.864112]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.864122]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.864132]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.864143]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.864152]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.864161]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.864171]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.864181]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.864191]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.864202]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.864212]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.864220] ---[ end trace 019ce351cdfabf52 ]---
>[    4.867631] ------------[ cut here ]------------
>[    4.867686] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.867696] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.867719] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.867728]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.867740]  ffffffff8103983c ffff880073303400 ffffffffa0068664 ffffffffa00ecde5
>[    4.867752]  00000000000000c0 0000000000000000 ffff880002c90000 ffff880002c98340
>[    4.867764] Call Trace:
>[    4.867773]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.867784]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.867835]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.867887]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.867940]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.867994]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.868063]  [<ffffffffa00c9cb5>] ? intel_hdmi_detect+0x109/0x115 [i915]
>[    4.868076]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.868092]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.868106]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.868177]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.868190]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.868209]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.868220]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.868239]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.868249]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.868259]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.868269]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.868280]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.868291]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.868301]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.868310]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.868321]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.868331]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.868340]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.868349]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.868359]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.868369]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.868379]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.868390]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.868400]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.868408] ---[ end trace 019ce351cdfabf53 ]---
>[    4.868416] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:26:HDMI-A-2] disconnected
>[    4.868421] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:28:HDMI-A-3]
>[    4.868425] [drm:intel_hdmi_detect] [CONNECTOR:28:HDMI-A-3]
>[    4.871632] ------------[ cut here ]------------
>[    4.871687] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.871697] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.871719] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.871729]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.871741]  ffffffff8103983c 0000000000000011 ffffffffa0068664 0000000000000004
>[    4.871753]  00000000000000c0 0000000000000000 ffff880002c90000 ffff880002c98340
>[    4.871765] Call Trace:
>[    4.871774]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.871784]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.871836]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.871888]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.871940]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.871951]  [<ffffffff817840c6>] ? mutex_lock+0x9/0x25
>[    4.872004]  [<ffffffffa006de0f>] ? intel_display_power_get+0x86/0xbe [i915]
>[    4.872074]  [<ffffffffa00c9c05>] ? intel_hdmi_detect+0x59/0x115 [i915]
>[    4.872087]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.872102]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.872116]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.872188]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.872200]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.872220]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.872230]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.872249]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.872260]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.872270]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.872280]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.872291]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.872301]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.872311]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.872321]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.872332]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.872342]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.872351]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.872360]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.872370]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.872380]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.872390]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.872401]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.872411]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.872419] ---[ end trace 019ce351cdfabf54 ]---
>[    4.891140] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 188
>[    4.891150] Raw EDID:
>[    4.891157]  	00 ff ff ff ff ff ff 00 5f 2f 57 1a 3d 4c 5a 5e
>[    4.891164]  	4b 39 05 0b 81 33 9d 7d 6a 74 f1 e4 56 52 9f 26
>[    4.891171]  	4b 54 5c bf ef a2 73 4f a5 c8 89 86 81 84 95 04
>[    4.891178]  	a9 c2 b7 10 65 01 2a bb 92 18 71 38 2d 42 78 2c
>[    4.891185]  	4d 81 fe 9f 11 00 20 1e 29 1d 01 72 53 d0 9e 62
>[    4.891192]  	6e 38 55 10 fe 3f 13 09 40 3e a1 40 21 fd 20 b2
>[    4.891198]  	4b 3e 55 11 00 4a 26 70 28 20 72 28 16 48 84 fe
>[    4.891205]  	01 53 33 33 4b b5 37 33 0a 60 20 20 28 30 09 ed
>[    4.909194] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 114
>[    4.909208] Raw EDID:
>[    4.909215]  	00 ff ff ff ff ff ff 00 5c 2d 5f 1a 3a 4c 58 5a
>[    4.909222]  	0b 58 27 03 e2 37 1d f8 aa 75 b5 ac 57 52 9f 36
>[    4.909229]  	0b d1 54 bf ef 82 75 6f 89 c0 e9 20 b1 ca 95 08
>[    4.909236]  	a9 f0 bb 80 41 81 06 3a 90 1a 71 3a 6d 60 58 2d
>[    4.909243]  	47 00 fe 1f 91 01 28 1e 03 3d 00 72 d1 d2 be 30
>[    4.909249]  	6f 3c 57 80 fe 1f 15 00 08 5e 01 00 02 fd 02 32
>[    4.909256]  	cb 9e 59 11 0b 0a 64 25 60 a1 b0 30 10 44 6b fd
>[    4.909263]  	00 5b 32 33 47 3f 3f 32 0a 20 28 29 20 2b 15 ed
>[    4.909633] [drm:gmbus_xfer] GMBUS [i915 gmbus panel] NAK for addr: 0050 r(128)
>[    4.909639] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus panel
>[    4.913633] ------------[ cut here ]------------
>[    4.913690] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.913700] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.913722] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.913732]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.913745]  ffffffff8103983c ffff880002c3d800 ffffffffa0068664 ffff008000010050
>[    4.913756]  00000000000000c0 0000000000000000 ffff880002c90000 ffff880002c98340
>[    4.913768] Call Trace:
>[    4.913778]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.913788]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.913840]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.913892]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.913945]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.913956]  [<ffffffff817840c6>] ? mutex_lock+0x9/0x25
>[    4.914009]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.914078]  [<ffffffffa00c9cb5>] ? intel_hdmi_detect+0x109/0x115 [i915]
>[    4.914092]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.914107]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.914121]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.914193]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.914205]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.914225]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.914235]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.914254]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.914265]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.914275]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.914285]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.914296]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.914307]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.914317]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.914327]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.914337]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.914347]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.914357]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.914366]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.914376]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.914386]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.914396]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.914407]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.914417]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.914425] ---[ end trace 019ce351cdfabf55 ]---
>[    4.914433] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:28:HDMI-A-3] disconnected
>[    4.914439] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:30:DP-2]
>[    4.917633] ------------[ cut here ]------------
>[    4.917689] WARNING: CPU: 3 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.917698] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.917721] CPU: 3 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.917731]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.917743]  ffffffff8103983c 0000000000000011 ffffffffa0068664 0000000000000004
>[    4.917754]  00000000000000c0 0000000000000000 ffff880002c90000 ffff880002c98340
>[    4.917766] Call Trace:
>[    4.917776]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.917786]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.917838]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.917890]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.917942]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.917953]  [<ffffffff817840c6>] ? mutex_lock+0x9/0x25
>[    4.918006]  [<ffffffffa006de0f>] ? intel_display_power_get+0x86/0xbe [i915]
>[    4.918074]  [<ffffffffa00c30d9>] ? intel_dp_detect+0x44/0x27a [i915]
>[    4.918088]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.918103]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.918117]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.918189]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.918201]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.918221]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.918231]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.918250]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.918260]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.918271]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.918281]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.918292]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.918302]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.918312]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.918322]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.918332]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.918343]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.918352]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.918361]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.918371]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.918381]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.918391]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.918402]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.918412]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.918420] ---[ end trace 019ce351cdfabf56 ]---
>[    4.918427] [drm:intel_dp_detect] [CONNECTOR:30:DP-2]
>[    4.918927] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.918933] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 0
>[    4.919439] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.919445] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 1
>[    4.919953] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.919959] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 2
>[    4.920463] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.920470] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 3
>[    4.920977] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.920982] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 4
>[    4.921002] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x71450064
>[    4.923129] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.923135] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 5
>[    4.923641] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.923647] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 2 - cnt: 6
>[    4.924150] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.924155] [drm:intel_hpd_irq_handler] HPD interrupt storm detected on PIN 2
>[    4.924663] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.925166] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.925189] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x71450064
>[    4.927129] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.927633] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.928138] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.928642] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.929147] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00000040
>[    4.929167] [drm:intel_dp_aux_ch] dp_aux_ch timeout status 0x71450064
>[    4.934636] ------------[ cut here ]------------
>[    4.934692] WARNING: CPU: 2 PID: 1240 at drivers/gpu/drm/i915/intel_pm.c:6143 vlv_power_well_enabled+0x68/0x91 [i915]()
>[    4.934703] Modules linked in: option usb_wwan usbserial i915(+) video button drm_kms_helper drm
>[    4.934725] CPU: 2 PID: 1240 Comm: udevd Tainted: G        W     3.16.0-rc2_drm-intel-nightly_eb638c_20140704+ #192
>[    4.934735]  0000000000000000 0000000000000009 ffffffff8177f9bf 0000000000000000
>[    4.934748]  ffffffff8103983c 0000000008000000 ffffffffa0068664 ffff880077cb60d8
>[    4.934760]  00000000000000c0 0000000000000000 ffff880002c90000 ffff880002c98340
>[    4.934772] Call Trace:
>[    4.934781]  [<ffffffff8177f9bf>] ? dump_stack+0x41/0x51
>[    4.934791]  [<ffffffff8103983c>] ? warn_slowpath_common+0x78/0x90
>[    4.934843]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.934895]  [<ffffffffa0068664>] ? vlv_power_well_enabled+0x68/0x91 [i915]
>[    4.934948]  [<ffffffffa0069e02>] ? check_power_well_state+0xf/0x6f [i915]
>[    4.934959]  [<ffffffff817840c6>] ? mutex_lock+0x9/0x25
>[    4.935012]  [<ffffffffa006e8f7>] ? intel_display_power_put+0xc8/0xfc [i915]
>[    4.935081]  [<ffffffffa00c32f6>] ? intel_dp_detect+0x261/0x27a [i915]
>[    4.935094]  [<ffffffffa004adda>] ? drm_helper_probe_single_connector_modes_merge_bits+0xbe/0x2eb [drm_kms_helper]
>[    4.935110]  [<ffffffffa004b830>] ? drm_fb_helper_probe_connector_modes+0x38/0x4c [drm_kms_helper]
>[    4.935124]  [<ffffffffa004c8d4>] ? drm_fb_helper_initial_config+0x151/0x3ff [drm_kms_helper]
>[    4.935195]  [<ffffffffa00d6590>] ? i915_driver_load+0xc41/0xe6e [i915]
>[    4.935208]  [<ffffffff813d47b0>] ? get_device+0x10/0x1c
>[    4.935228]  [<ffffffffa000763b>] ? drm_dev_register+0x74/0xe7 [drm]
>[    4.935238]  [<ffffffff8137e9a2>] ? acpi_pci_irq_enable+0x11c/0x12f
>[    4.935257]  [<ffffffffa00097ca>] ? drm_get_pci_dev+0xf4/0x1af [drm]
>[    4.935267]  [<ffffffff8135038a>] ? local_pci_probe+0x36/0x7c
>[    4.935278]  [<ffffffff81329979>] ? ida_get_new_above+0x171/0x18b
>[    4.935288]  [<ffffffff8135062e>] ? pci_device_probe+0xcc/0xf0
>[    4.935299]  [<ffffffff813d8136>] ? driver_probe_device+0x9d/0x1d5
>[    4.935309]  [<ffffffff813d826e>] ? driver_probe_device+0x1d5/0x1d5
>[    4.935319]  [<ffffffff813d82c1>] ? __driver_attach+0x53/0x73
>[    4.935329]  [<ffffffff813d6a2e>] ? bus_for_each_dev+0x4e/0x7f
>[    4.935340]  [<ffffffff813d79e4>] ? bus_add_driver+0xe7/0x1cc
>[    4.935350]  [<ffffffff813d890a>] ? driver_register+0x82/0xb5
>[    4.935359]  [<ffffffffa0116000>] ? 0xffffffffa0115fff
>[    4.935368]  [<ffffffff81000301>] ? do_one_initcall+0xe3/0x176
>[    4.935379]  [<ffffffff810f59ca>] ? __vunmap+0x8c/0xc4
>[    4.935388]  [<ffffffff8108bed9>] ? load_module+0x1821/0x1b04
>[    4.935399]  [<ffffffff81089af9>] ? module_unload_free+0xca/0xca
>[    4.935410]  [<ffffffff8108c24c>] ? SyS_init_module+0x90/0x9b
>[    4.935420]  [<ffffffff81785552>] ? system_call_fastpath+0x16/0x1b
>[    4.935427] ---[ end trace 019ce351cdfabf57 ]---
>[    4.935436] [drm:drm_helper_probe_single_connector_modes_merge_bits] [CONNECTOR:30:DP-2] disconnected
>[    4.935443] i915 0000:00:02.0: No connectors reported connected with modes
>[    4.935451] [drm:drm_setup_crtcs] 
>[    4.935457] [drm:drm_enable_connectors] connector 20 enabled? no
>[    4.935461] [drm:drm_enable_connectors] connector 24 enabled? no
>[    4.935464] [drm:drm_enable_connectors] connector 26 enabled? no
>[    4.935468] [drm:drm_enable_connectors] connector 28 enabled? no
>[    4.935472] [drm:drm_enable_connectors] connector 30 enabled? no
>[    4.935477] [drm:intel_fb_initial_config] connector HDMI-A-1 not enabled, skipping
>[    4.935481] [drm:intel_fb_initial_config] connector DP-1 not enabled, skipping
>[    4.935484] [drm:intel_fb_initial_config] connector HDMI-A-2 not enabled, skipping
>[    4.935488] [drm:intel_fb_initial_config] connector HDMI-A-3 not enabled, skipping
>[    4.935492] [drm:intel_fb_initial_config] connector DP-2 not enabled, skipping
>[    4.935495] [drm:intel_fb_initial_config] Not using firmware configuration
>[    4.935500] [drm:drm_setup_crtcs] picking CRTCs for 8192x8192 config
>[    4.935504] [drm] Cannot find any crtc or sizes - going 1024x768
>[    4.935512] [drm:intelfb_create] no BIOS fb, allocating a new one
>[    4.939365] [drm:intelfb_create] allocated 1024x768 fb: 0x000a0000, bo ffff880002c00000
>[    4.939611] fbcon: inteldrmfb (fb0) is primary device
>[    4.939759] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[    4.939765] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[    4.939775] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[    4.939786] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[    4.939789] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
>[    4.939792] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    4.939803] Console: switching to colour frame buffer device 128x48
>[    4.948613] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
>[    4.948729] i915 0000:00:02.0: registered panic notifier
>[    4.954852] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
>[    4.956040] acpi device:24: registered as cooling_device5
>[    4.956389] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input8
>[    4.956826] [drm] Initialized i915 1.6.0 20140606 for 0000:00:02.0 on minor 0
>[    4.970179] dracut: Starting plymouth daemon
>[    5.007642] [drm:i915_gem_open] 
>[    5.007719] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[    5.007728] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[    5.007735] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[    5.007741] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[    5.007746] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
>[    5.007751] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    5.007784] [drm:i915_gem_open] 
>[    5.007825] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[    5.007832] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[    5.007838] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[    5.007843] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[    5.007848] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
>[    5.007853] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    5.007880] [drm:i915_gem_open] 
>[    5.008593] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[    5.008601] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[    5.008607] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[    5.008613] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[    5.008618] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
>[    5.008623] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[    5.009155] dracut: error: unexpectedly disconnected from boot status daemon
>[    5.169996] ACPI: AC Adapter [ADP1] (on-line)
>[    5.202102] ACPI: Deprecated procfs I/F for battery is loaded, please retry with CONFIG_ACPI_PROCFS_POWER cleared
>[    5.202298] ACPI: Battery Slot [BAT0] (battery present)
>[    5.202485] ACPI: Deprecated procfs I/F for battery is loaded, please retry with CONFIG_ACPI_PROCFS_POWER cleared
>[    5.202693] ACPI: Battery Slot [BAT1] (battery absent)
>[    5.230094] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
>[    5.230231] r8169 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control
>[    5.230374] r8169 0000:03:00.0: enabling device (0000 -> 0003)
>[    5.233190] r8169 0000:03:00.0: irq 134 for MSI/MSI-X
>[    5.233565] r8169 0000:03:00.0 eth1: RTL8168g/8111g at 0xffffc90000336000, 00:e0:4c:68:00:dd, XID 0c000800 IRQ 134
>[    5.233768] r8169 0000:03:00.0 eth1: jumbo features [frames: 9200 bytes, tx checksumming: ko]
>[    5.237179] input: PC Speaker as /devices/platform/pcspkr/input/input9
>[    5.266103] snd_hda_intel 0000:00:1b.0: irq 135 for MSI/MSI-X
>[    5.309519] EXT4-fs (sda4): mounted filesystem with ordered data mode. Opts: (null)
>[    5.327746] sound hdaudioC0D0: autoconfig: line_outs=1 (0x1b/0x0/0x0/0x0/0x0) type:line
>[    5.331724] sound hdaudioC0D0:    speaker_outs=1 (0x14/0x0/0x0/0x0/0x0)
>[    5.335674] sound hdaudioC0D0:    hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
>[    5.339562] sound hdaudioC0D0:    mono: mono_out=0x0
>[    5.343416] sound hdaudioC0D0:    dig-out=0x1e/0x0
>[    5.347227] sound hdaudioC0D0:    inputs:
>[    5.351007] sound hdaudioC0D0:      Internal Mic=0x12
>[    5.354789] sound hdaudioC0D0:      Rear Mic=0x19
>[    5.358541] sound hdaudioC0D0:      Front Mic=0x18
>[    5.362274] sound hdaudioC0D0:      Line=0x1a
>[    5.386091] dracut: Checking ext4: /dev/sda4
>[    5.390359] dracut: issuing e2fsck -a  /dev/sda4
>[    5.408539] dracut: /dev/sda4: clean, 469248/3276800 files, 11400209/13107200 blocks
>[    5.413634] dracut: Remounting /dev/sda4 with -o ro
>[    5.427422] EXT4-fs (sda4): mounted filesystem with ordered data mode. Opts: (null)
>[    5.440938] dracut: Mounted root filesystem /dev/sda4
>[    5.478471] device-mapper: uevent: version 1.0.3
>[    5.482705] device-mapper: ioctl: 4.27.0-ioctl (2013-10-30) initialised: dm-devel@redhat.com
>[    5.548322] dracut: Switching root
>[    5.638267] systemd[1]: systemd 204 running in system mode. (+PAM +LIBWRAP +AUDIT +SELINUX +IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ)
>[    5.668926] systemd[1]: Failed to insert module 'ipv6'
>[    5.673489] systemd[1]: Set hostname to <x-bsw01>.
>[    5.680090] random: systemd urandom read with 115 bits of entropy available
>[    5.716047] LVM: Logical Volume autoactivation enabled.
>[    5.720275] LVM: Activation generator successfully completed.
>[    5.735728] [drm:cherryview_enable_rps] GT fifo had a previous error 1080000
>[    5.735746] [drm:cherryview_enable_rps] PCBR offset : 0x7eef8001
>[    5.737672] [drm:cherryview_enable_rps] GPLL enabled? yes
>[    5.737678] [drm:cherryview_enable_rps] GPU status: 0x00202010
>[    5.737682] [drm:cherryview_enable_rps] current GPU freq: -1 MHz (32)
>[    5.737686] [drm:cherryview_enable_rps] setting GPU freq to -1 MHz (32)
>[    5.737692] [drm:valleyview_set_rps] GPU freq request from -1 MHz (32) to -1 MHz (32)
>[    5.816016] systemd[1]: Starting Forward Password Requests to Wall Directory Watch.
>[    5.820391] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
>[    5.824613] systemd[1]: Starting Syslog Socket.
>[    5.833061] systemd[1]: Listening on Syslog Socket.
>[    5.835685] [drm:valleyview_set_rps] GPU freq request from -1 MHz (32) to -1 MHz (16)
>[    5.837192] systemd[1]: Starting Replay Read-Ahead Data...
>[    5.846437] systemd[1]: Starting Collect Read-Ahead Data...
>[    5.847486] random: nonblocking pool is initialized
>[    5.850642] systemd-readahead[2441]: Bumped block_nr parameter of 8:0 to 20480. This is a temporary hack and should be removed one day.
>[    5.867066] systemd[1]: Starting /dev/initctl Compatibility Named Pipe.
>[    5.869735] systemd-readahead[2442]: Failed to create fanotify object: Function not implemented
>[    5.879299] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
>[    5.883314] systemd[1]: Starting Delayed Shutdown Socket.
>[    5.891339] systemd[1]: Listening on Delayed Shutdown Socket.
>[    5.895390] systemd[1]: Starting udev Kernel Socket.
>[    5.903288] systemd[1]: Listening on udev Kernel Socket.
>[    5.907297] systemd[1]: Starting udev Control Socket.
>[    5.915361] systemd[1]: Listening on udev Control Socket.
>[    5.919388] systemd[1]: Starting Encrypted Volumes.
>[    5.927648] systemd[1]: Reached target Encrypted Volumes.
>[    5.931845] systemd[1]: Starting Arbitrary Executable File Formats File System Automount Point.
>[    5.940764] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
>[    5.945177] systemd[1]: Starting Journal Socket.
>[    5.954013] systemd[1]: Listening on Journal Socket.
>[    5.958439] systemd[1]: Starting Create static device nodes in /dev...
>[    5.968193] systemd[1]: Mounting POSIX Message Queue File System...
>[    5.977856] systemd[1]: Starting udev Coldplug all Devices...
>[    5.987498] systemd[1]: Mounting Debug File System...
>[    5.997097] systemd[1]: Starting Journal Service...
>[    6.011607] systemd[1]: Started Journal Service.
>[    6.016158] systemd[1]: Mounting Huge Pages File System...
>[    6.025652] systemd[1]: Starting LVM2 metadata daemon socket.
>[    6.034157] systemd[1]: Listening on LVM2 metadata daemon socket.
>[    6.038313] systemd[1]: Starting Device-mapper event daemon FIFOs.
>[    6.046943] systemd[1]: Listening on Device-mapper event daemon FIFOs.
>[    6.051175] systemd[1]: Starting Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling...
>[    6.061146] systemd[1]: Expecting device dev-disk-by\x2duuid-1a1b79a3\x2d6d33\x2d48d2\x2da27e\x2d1b5805d88291.device...
>[    6.070198] systemd[1]: Mounting Temporary Directory...
>[    6.083197] systemd[1]: tmp.mount: Directory /tmp to mount over is not empty, mounting anyway.
>[    6.088653] systemd[1]: Expecting device dev-disk-by\x2duuid-ABCD\x2d535B.device...
>[    6.097847] systemd[1]: Expecting device dev-disk-by\x2duuid-0a7e090c\x2dd2b9\x2d498e\x2dbc0d\x2d05c33717cb8c.device...
>[    6.107288] systemd[1]: Expecting device dev-disk-by\x2duuid-d79f918f\x2d693d\x2d4480\x2d91cf\x2d6840792221db.device...
>[    6.122942] systemd[1]: Started Replay Read-Ahead Data.
>[    6.128000] systemd[1]: systemd-readahead-collect.service: main process exited, code=exited, status=1/FAILURE
>[    6.138813] systemd[1]: Started Collect Read-Ahead Data.
>[    6.149881] systemd[1]: Started Create static device nodes in /dev.
>[    6.160664] systemd[1]: Mounted POSIX Message Queue File System.
>[    6.172390] systemd[1]: Mounted Debug File System.
>[    6.182702] systemd[1]: Mounted Huge Pages File System.
>[    6.193047] systemd[1]: Mounted Temporary Directory.
>[    6.198241] systemd[1]: Starting udev Kernel Device Manager...
>[    6.209461] systemd[1]: Starting Load legacy module configuration...
>[    6.213586] systemd-udevd[3117]: starting version 204
>[    6.225941] systemd[1]: Started File System Check on Root Device.
>[    6.230971] systemd[1]: Starting Remount Root and Kernel File Systems...
>[    6.244751] systemd[1]: Started Load Kernel Modules.
>[    6.249628] EXT4-fs (sda4): re-mounted. Opts: (null)
>[    6.249854] systemd[1]: Mounting FUSE Control File System...
>[    6.266371] systemd[1]: Mounted Configuration File System.
>[    6.273348] systemd[1]: Started Set Up Additional Binary Formats.
>[    6.278410] systemd[1]: Starting Setup Virtual Console...
>[    6.290778] systemd[1]: Starting Apply Kernel Variables...
>[    6.308242] systemd[1]: Started udev Kernel Device Manager.
>[    6.318650] systemd[1]: Mounted FUSE Control File System.
>[    6.329099] systemd[1]: Started udev Coldplug all Devices.
>[    6.348285] systemd[1]: Started Load legacy module configuration.
>[    6.359979] systemd[1]: Started Remount Root and Kernel File Systems.
>[    6.370091] systemd[1]: Started Apply Kernel Variables.
>[    6.374637] systemd[1]: Starting Local File Systems (Pre).
>[    6.385806] systemd[1]: Reached target Local File Systems (Pre).
>[    6.391054] systemd[1]: Starting Configure read-only root support...
>[    6.400604] systemd[1]: Started Import network configuration from initramfs.
>[    6.404963] systemd[1]: Starting LVM2 metadata daemon...
>[    6.420148] systemd[1]: Started Setup Virtual Console.
>[    6.428955] systemd[1]: Started LVM2 metadata daemon.
>[    6.433160] systemd[1]: Starting Show Plymouth Boot Screen...
>[    6.447859] systemd[1]: Started Configure read-only root support.
>[    6.456771] systemd[1]: Started Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling.
>[    6.461138] systemd[1]: Starting Load Random Seed...
>[    6.483519] systemd[1]: Starting Sound Card.
>[    6.487843] systemd[1]: Reached target Sound Card.
>[    6.494075] systemd[1]: Started Load Random Seed.
>[    6.572872] systemd-udevd[3304]: renamed network interface p2p1 to enp3s0
>[    6.610920] systemd-udevd[3305]: renamed network interface eth0 to enp0s20u2
>[    6.652892] Adding 3964924k swap on /dev/sda3.  Priority:-1 extents:1 across:3964924k SS
>[    6.730175] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null)
>[    6.745028] EXT4-fs (sda5): mounted filesystem with ordered data mode. Opts: (null)
>[    6.777157] FAT-fs (sda1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
>[    6.796655] audit: type=1305 audit(978307206.754:2): audit_pid=3410 old=0 auid=4294967295 ses=4294967295 res=1
>[    7.959036] asix 1-2:1.0 enp0s20u2: link down
>[    7.990926] r8169 0000:03:00.0 enp3s0: link down
>[    9.751581] asix 1-2:1.0 enp0s20u2: link up, 100Mbps, full-duplex, lpa 0x45E1
>[   11.187964] NET: Registered protocol family 10
>[   11.191593] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready
>[   11.751781] option1 ttyUSB0: option_instat_callback: error -2
>[   12.355695] Ebtables v2.0 registered
>[   12.398693] ip_tables: (C) 2000-2006 Netfilter Core Team
>[   12.435372] ip6_tables: (C) 2000-2006 Netfilter Core Team
>[   15.426888] option1 ttyUSB2: option_instat_callback: error -2
>[   25.046074] option1 ttyUSB3: option_instat_callback: error -2
>[   31.047139] option1 ttyUSB3: option_instat_callback: error -2
>[   37.106398] option1 ttyUSB2: option_instat_callback: error -2
>[ 5460.394372] [drm:i915_gem_open] 
>[ 5460.394463] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[ 5460.394518] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[ 5460.394534] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[ 5460.394540] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[ 5460.394545] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
>[ 5460.394550] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0
>[ 5460.394584] [drm:i915_gem_open] 
>[ 5460.394908] [drm:valleyview_set_rps] GPU freq request from -1 MHz (16) to -1 MHz (48)
>[ 5460.396714] [drm:i915_gem_open] 
>[ 5460.396766] [drm:i915_gem_open] 
>[ 5460.434666] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.463373] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.491325] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.519759] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.548161] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.576398] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.604725] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.633036] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.661448] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.689605] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.718030] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.746354] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.774814] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.803179] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.831572] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.861424] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5460.861539] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (48)
>[ 5466.993887] [drm] stuck on blitter ring
>[ 5467.009484] [drm] GPU HANG: ecode 2:0x21524118, in gem_reloc_vs_gp [5013], reason: Ring hung, action: reset
>[ 5467.009671] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
>[ 5467.009833] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
>[ 5467.009984] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
>[ 5467.010149] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
>[ 5467.010300] [drm] GPU crash dump saved to /sys/class/drm/card0/error
>[ 5467.010559] [drm:i915_error_work_func] resetting chip
>[ 5467.012844] [drm:init_status_page] render ring hws offset: 0x00013000
>[ 5467.012932] [drm:init_status_page] bsd ring hws offset: 0x00037000
>[ 5467.012951] [drm:init_status_page] blitter ring hws offset: 0x0005a000
>[ 5467.012968] [drm:init_status_page] video enhancement ring hws offset: 0x0007d000
>[ 5468.993968] [drm:cherryview_enable_rps] GT fifo had a previous error 1080000
>[ 5468.993983] [drm:cherryview_enable_rps] PCBR offset : 0x7eef8001
>[ 5468.995874] [drm:cherryview_enable_rps] GPLL enabled? yes
>[ 5468.995880] [drm:cherryview_enable_rps] GPU status: 0x00203010
>[ 5468.995884] [drm:cherryview_enable_rps] current GPU freq: -1 MHz (48)
>[ 5468.995889] [drm:cherryview_enable_rps] setting GPU freq to -1 MHz (32)
>[ 5468.995894] [drm:valleyview_set_rps] GPU freq request from -1 MHz (48) to -1 MHz (32)
>[ 5472.994135] [drm] stuck on bsd ring
>[ 5473.007619] [drm] GPU HANG: ecode 1:0x61524110, in gem_reloc_vs_gp [5013], reason: Ring hung, action: reset
>[ 5473.008018] [drm:i915_error_work_func] resetting chip
>[ 5473.008107] [drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning!
>[ 5473.010083] [drm:init_status_page] render ring hws offset: 0x00013000
>[ 5473.010120] [drm:init_status_page] bsd ring hws offset: 0x00037000
>[ 5473.010139] [drm:init_status_page] blitter ring hws offset: 0x0005a000
>[ 5473.010157] [drm:init_status_page] video enhancement ring hws offset: 0x0007d000
>[ 5474.994169] [drm:cherryview_enable_rps] GT fifo had a previous error 1080000
>[ 5474.994288] [drm:cherryview_enable_rps] PCBR offset : 0x7eef8001
>[ 5474.996149] [drm:cherryview_enable_rps] GPLL enabled? yes
>[ 5474.996155] [drm:cherryview_enable_rps] GPU status: 0x00202010
>[ 5474.996160] [drm:cherryview_enable_rps] current GPU freq: -1 MHz (32)
>[ 5474.996164] [drm:cherryview_enable_rps] setting GPU freq to -1 MHz (32)
>[ 5474.996169] [drm:valleyview_set_rps] GPU freq request from -1 MHz (32) to -1 MHz (32)
>[ 6158.461328] [drm:intel_crtc_set_config] [CRTC:6] [NOFB]
>[ 6158.461342] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:6], mode_changed=0, fb_changed=0
>[ 6158.461350] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
>[ 6158.461356] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:11], mode_changed=0, fb_changed=0
>[ 6158.461361] [drm:intel_crtc_set_config] [CRTC:16] [NOFB]
>[ 6158.461366] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:16], mode_changed=0, fb_changed=0

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