[ 301.202156] ---[ end trace 49b28aaaac806e47 ]--- [ 301.207835] ------------[ cut here ]------------ [ 301.207862] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.207865] dp_aux_ch not started status 0xffffffff [ 301.207867] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.207896] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.207914] Workqueue: events i915_hotplug_work_func [i915] [ 301.207917] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.207922] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.207927] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.207932] Call Trace: [ 301.207939] [] ? dump_stack+0x41/0x51 [ 301.207945] [] ? warn_slowpath_common+0x73/0x8b [ 301.207965] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.207970] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.207990] [] ? vlv_read32+0xe3/0xee [i915] [ 301.208010] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.208015] [] ? printk+0x4f/0x54 [ 301.208021] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.208040] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.208045] [] ? del_timer_sync+0x21/0x3e [ 301.208051] [] ? schedule_timeout+0x151/0x16d [ 301.208058] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.208065] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.208084] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.208104] [] ? intel_dp_detect+0x183/0x280 [i915] [ 301.208124] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.208129] [] ? process_one_work+0x1bc/0x2ed [ 301.208134] [] ? worker_thread+0x1c7/0x2bc [ 301.208139] [] ? rescuer_thread+0x251/0x251 [ 301.208144] [] ? kthread+0xc5/0xcd [ 301.208150] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.208155] [] ? ret_from_fork+0x7c/0xb0 [ 301.208161] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.208164] ---[ end trace 49b28aaaac806e48 ]--- [ 301.213849] ------------[ cut here ]------------ [ 301.213876] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.213879] dp_aux_ch not started status 0xffffffff [ 301.213881] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.213910] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.213928] Workqueue: events i915_hotplug_work_func [i915] [ 301.213932] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.213936] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.213941] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.213946] Call Trace: [ 301.213953] [] ? dump_stack+0x41/0x51 [ 301.213959] [] ? warn_slowpath_common+0x73/0x8b [ 301.213979] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.213984] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.214004] [] ? vlv_read32+0xe3/0xee [i915] [ 301.214024] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.214029] [] ? printk+0x4f/0x54 [ 301.214034] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.214054] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.214059] [] ? del_timer_sync+0x21/0x3e [ 301.214064] [] ? schedule_timeout+0x151/0x16d [ 301.214072] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.214079] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.214098] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.214118] [] ? intel_dp_detect+0x183/0x280 [i915] [ 301.214137] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.214143] [] ? process_one_work+0x1bc/0x2ed [ 301.214148] [] ? worker_thread+0x1c7/0x2bc [ 301.214153] [] ? rescuer_thread+0x251/0x251 [ 301.214158] [] ? kthread+0xc5/0xcd [ 301.214163] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.214169] [] ? ret_from_fork+0x7c/0xb0 [ 301.214174] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.214178] ---[ end trace 49b28aaaac806e49 ]--- [ 301.219861] ------------[ cut here ]------------ [ 301.219888] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.219891] dp_aux_ch not started status 0xffffffff [ 301.219893] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.219921] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.219940] Workqueue: events i915_hotplug_work_func [i915] [ 301.219943] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.219948] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.219953] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.219958] Call Trace: [ 301.219965] [] ? dump_stack+0x41/0x51 [ 301.219970] [] ? warn_slowpath_common+0x73/0x8b [ 301.219990] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.219996] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.220016] [] ? vlv_read32+0xe3/0xee [i915] [ 301.220036] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.220041] [] ? printk+0x4f/0x54 [ 301.220047] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.220066] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.220071] [] ? del_timer_sync+0x21/0x3e [ 301.220077] [] ? schedule_timeout+0x151/0x16d [ 301.220084] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.220091] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.220111] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.220131] [] ? intel_dp_detect+0x183/0x280 [i915] [ 301.220150] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.220155] [] ? process_one_work+0x1bc/0x2ed [ 301.220160] [] ? worker_thread+0x1c7/0x2bc [ 301.220165] [] ? rescuer_thread+0x251/0x251 [ 301.220170] [] ? kthread+0xc5/0xcd [ 301.220176] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.220181] [] ? ret_from_fork+0x7c/0xb0 [ 301.220187] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.220190] ---[ end trace 49b28aaaac806e4a ]--- [ 301.225873] ------------[ cut here ]------------ [ 301.225900] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.225903] dp_aux_ch not started status 0xffffffff [ 301.225905] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.225934] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.225952] Workqueue: events i915_hotplug_work_func [i915] [ 301.225955] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.225960] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.225965] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.225970] Call Trace: [ 301.225977] [] ? dump_stack+0x41/0x51 [ 301.225983] [] ? warn_slowpath_common+0x73/0x8b [ 301.226003] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.226008] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.226028] [] ? vlv_read32+0xe3/0xee [i915] [ 301.226048] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.226053] [] ? printk+0x4f/0x54 [ 301.226059] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.226079] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.226084] [] ? del_timer_sync+0x21/0x3e [ 301.226089] [] ? schedule_timeout+0x151/0x16d [ 301.226097] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.226103] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.226123] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.226143] [] ? intel_dp_detect+0x183/0x280 [i915] [ 301.226162] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.226168] [] ? process_one_work+0x1bc/0x2ed [ 301.226173] [] ? worker_thread+0x1c7/0x2bc [ 301.226178] [] ? rescuer_thread+0x251/0x251 [ 301.226183] [] ? kthread+0xc5/0xcd [ 301.226189] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.226195] [] ? ret_from_fork+0x7c/0xb0 [ 301.226200] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.226203] ---[ end trace 49b28aaaac806e4b ]--- [ 301.231882] ------------[ cut here ]------------ [ 301.231910] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.231913] dp_aux_ch not started status 0xffffffff [ 301.231916] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.231945] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.231963] Workqueue: events i915_hotplug_work_func [i915] [ 301.231966] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.231971] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.231976] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.231981] Call Trace: [ 301.231988] [] ? dump_stack+0x41/0x51 [ 301.231994] [] ? warn_slowpath_common+0x73/0x8b [ 301.232014] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.232019] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.232039] [] ? vlv_read32+0xe3/0xee [i915] [ 301.232059] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.232064] [] ? printk+0x4f/0x54 [ 301.232070] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.232090] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.232095] [] ? del_timer_sync+0x21/0x3e [ 301.232100] [] ? schedule_timeout+0x151/0x16d [ 301.232108] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.232115] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.232134] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.232154] [] ? intel_dp_detect+0x183/0x280 [i915] [ 301.232173] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.232179] [] ? process_one_work+0x1bc/0x2ed [ 301.232184] [] ? worker_thread+0x1c7/0x2bc [ 301.232189] [] ? rescuer_thread+0x251/0x251 [ 301.232194] [] ? kthread+0xc5/0xcd [ 301.232200] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.232205] [] ? ret_from_fork+0x7c/0xb0 [ 301.232211] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.232214] ---[ end trace 49b28aaaac806e4c ]--- [ 301.232222] [drm:drm_dp_dpcd_access] too many retries, giving up [ 301.239897] ------------[ cut here ]------------ [ 301.239924] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.239927] dp_aux_ch not started status 0xffffffff [ 301.239930] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.239958] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.239977] Workqueue: events i915_hotplug_work_func [i915] [ 301.239980] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.239985] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.239990] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.239995] Call Trace: [ 301.240002] [] ? dump_stack+0x41/0x51 [ 301.240007] [] ? warn_slowpath_common+0x73/0x8b [ 301.240027] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.240033] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.240053] [] ? vlv_read32+0xe3/0xee [i915] [ 301.240073] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.240078] [] ? printk+0x4f/0x54 [ 301.240084] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.240104] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.240108] [] ? del_timer_sync+0x21/0x3e [ 301.240114] [] ? schedule_timeout+0x151/0x16d [ 301.240121] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.240129] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.240148] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.240168] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.240187] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.240193] [] ? process_one_work+0x1bc/0x2ed [ 301.240198] [] ? worker_thread+0x1c7/0x2bc [ 301.240203] [] ? rescuer_thread+0x251/0x251 [ 301.240208] [] ? kthread+0xc5/0xcd [ 301.240214] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.240220] [] ? ret_from_fork+0x7c/0xb0 [ 301.240225] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.240228] ---[ end trace 49b28aaaac806e4d ]--- [ 301.245911] ------------[ cut here ]------------ [ 301.245939] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.245942] dp_aux_ch not started status 0xffffffff [ 301.245944] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.245973] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.245991] Workqueue: events i915_hotplug_work_func [i915] [ 301.245994] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.245999] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.246004] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.246009] Call Trace: [ 301.246016] [] ? dump_stack+0x41/0x51 [ 301.246021] [] ? warn_slowpath_common+0x73/0x8b [ 301.246041] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.246046] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.246067] [] ? vlv_read32+0xe3/0xee [i915] [ 301.246086] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.246091] [] ? printk+0x4f/0x54 [ 301.246097] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.246117] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.246122] [] ? del_timer_sync+0x21/0x3e [ 301.246127] [] ? schedule_timeout+0x151/0x16d [ 301.246135] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.246142] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.246161] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.246181] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.246201] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.246206] [] ? process_one_work+0x1bc/0x2ed [ 301.246211] [] ? worker_thread+0x1c7/0x2bc [ 301.246216] [] ? rescuer_thread+0x251/0x251 [ 301.246221] [] ? kthread+0xc5/0xcd [ 301.246227] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.246232] [] ? ret_from_fork+0x7c/0xb0 [ 301.246238] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.246241] ---[ end trace 49b28aaaac806e4e ]--- [ 301.251920] ------------[ cut here ]------------ [ 301.251948] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.251951] dp_aux_ch not started status 0xffffffff [ 301.251953] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.251982] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.252000] Workqueue: events i915_hotplug_work_func [i915] [ 301.252003] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.252008] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.252013] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.252018] Call Trace: [ 301.252025] [] ? dump_stack+0x41/0x51 [ 301.252031] [] ? warn_slowpath_common+0x73/0x8b [ 301.252051] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.252056] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.252076] [] ? vlv_read32+0xe3/0xee [i915] [ 301.252096] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.252101] [] ? printk+0x4f/0x54 [ 301.252107] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.252126] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.252131] [] ? del_timer_sync+0x21/0x3e [ 301.252137] [] ? schedule_timeout+0x151/0x16d [ 301.252144] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.252151] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.252171] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.252191] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.252210] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.252216] [] ? process_one_work+0x1bc/0x2ed [ 301.252221] [] ? worker_thread+0x1c7/0x2bc [ 301.252225] [] ? rescuer_thread+0x251/0x251 [ 301.252231] [] ? kthread+0xc5/0xcd [ 301.252237] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.252242] [] ? ret_from_fork+0x7c/0xb0 [ 301.252247] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.252251] ---[ end trace 49b28aaaac806e4f ]--- [ 301.257934] ------------[ cut here ]------------ [ 301.257963] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.257966] dp_aux_ch not started status 0xffffffff [ 301.257968] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.257996] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.258015] Workqueue: events i915_hotplug_work_func [i915] [ 301.258018] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.258023] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.258028] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.258033] Call Trace: [ 301.258040] [] ? dump_stack+0x41/0x51 [ 301.258046] [] ? warn_slowpath_common+0x73/0x8b [ 301.258066] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.258071] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.258091] [] ? vlv_read32+0xe3/0xee [i915] [ 301.258111] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.258116] [] ? printk+0x4f/0x54 [ 301.258122] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.258142] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.258147] [] ? del_timer_sync+0x21/0x3e [ 301.258152] [] ? schedule_timeout+0x151/0x16d [ 301.258160] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.258167] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.258186] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.258206] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.258225] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.258231] [] ? process_one_work+0x1bc/0x2ed [ 301.258236] [] ? worker_thread+0x1c7/0x2bc [ 301.258241] [] ? rescuer_thread+0x251/0x251 [ 301.258246] [] ? kthread+0xc5/0xcd [ 301.258252] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.258257] [] ? ret_from_fork+0x7c/0xb0 [ 301.258262] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.258266] ---[ end trace 49b28aaaac806e50 ]--- [ 301.263944] ------------[ cut here ]------------ [ 301.263971] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.263974] dp_aux_ch not started status 0xffffffff [ 301.263977] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.264005] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.264024] Workqueue: events i915_hotplug_work_func [i915] [ 301.264027] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.264032] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.264037] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.264042] Call Trace: [ 301.264050] [] ? dump_stack+0x41/0x51 [ 301.264056] [] ? warn_slowpath_common+0x73/0x8b [ 301.264076] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.264081] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.264101] [] ? vlv_read32+0xe3/0xee [i915] [ 301.264121] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.264126] [] ? printk+0x4f/0x54 [ 301.264132] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.264152] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.264157] [] ? del_timer_sync+0x21/0x3e [ 301.264162] [] ? schedule_timeout+0x151/0x16d [ 301.264170] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.264177] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.264196] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.264216] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.264235] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.264241] [] ? process_one_work+0x1bc/0x2ed [ 301.264246] [] ? worker_thread+0x1c7/0x2bc [ 301.264251] [] ? rescuer_thread+0x251/0x251 [ 301.264256] [] ? kthread+0xc5/0xcd [ 301.264262] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.264267] [] ? ret_from_fork+0x7c/0xb0 [ 301.264273] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.264276] ---[ end trace 49b28aaaac806e51 ]--- [ 301.269958] ------------[ cut here ]------------ [ 301.269986] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.269989] dp_aux_ch not started status 0xffffffff [ 301.269991] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.270019] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.270038] Workqueue: events i915_hotplug_work_func [i915] [ 301.270041] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.270046] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.270051] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.270056] Call Trace: [ 301.270063] [] ? dump_stack+0x41/0x51 [ 301.270068] [] ? warn_slowpath_common+0x73/0x8b [ 301.270088] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.270093] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.270113] [] ? vlv_read32+0xe3/0xee [i915] [ 301.270133] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.270138] [] ? printk+0x4f/0x54 [ 301.270144] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.270164] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.270168] [] ? del_timer_sync+0x21/0x3e [ 301.270174] [] ? schedule_timeout+0x151/0x16d [ 301.270181] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.270188] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.270208] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.270228] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.270247] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.270252] [] ? process_one_work+0x1bc/0x2ed [ 301.270257] [] ? worker_thread+0x1c7/0x2bc [ 301.270262] [] ? rescuer_thread+0x251/0x251 [ 301.270268] [] ? kthread+0xc5/0xcd [ 301.270273] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.270279] [] ? ret_from_fork+0x7c/0xb0 [ 301.270284] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.270287] ---[ end trace 49b28aaaac806e52 ]--- [ 301.275967] ------------[ cut here ]------------ [ 301.275996] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.275999] dp_aux_ch not started status 0xffffffff [ 301.276001] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.276030] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.276048] Workqueue: events i915_hotplug_work_func [i915] [ 301.276051] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.276056] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.276061] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.276066] Call Trace: [ 301.276073] [] ? dump_stack+0x41/0x51 [ 301.276079] [] ? warn_slowpath_common+0x73/0x8b [ 301.276099] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.276104] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.276124] [] ? vlv_read32+0xe3/0xee [i915] [ 301.276144] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.276149] [] ? printk+0x4f/0x54 [ 301.276155] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.276174] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.276179] [] ? del_timer_sync+0x21/0x3e [ 301.276184] [] ? schedule_timeout+0x151/0x16d [ 301.276192] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.276199] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.276218] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.276239] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.276258] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.276263] [] ? process_one_work+0x1bc/0x2ed [ 301.276268] [] ? worker_thread+0x1c7/0x2bc [ 301.276273] [] ? rescuer_thread+0x251/0x251 [ 301.276278] [] ? kthread+0xc5/0xcd [ 301.276284] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.276289] [] ? ret_from_fork+0x7c/0xb0 [ 301.276295] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.276298] ---[ end trace 49b28aaaac806e53 ]--- [ 301.276307] [drm:drm_dp_dpcd_access] too many retries, giving up [ 301.283984] ------------[ cut here ]------------ [ 301.284014] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.284017] dp_aux_ch not started status 0xffffffff [ 301.284019] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.284047] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.284066] Workqueue: events i915_hotplug_work_func [i915] [ 301.284069] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.284074] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.284079] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.284084] Call Trace: [ 301.284091] [] ? dump_stack+0x41/0x51 [ 301.284097] [] ? warn_slowpath_common+0x73/0x8b [ 301.284117] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.284122] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.284142] [] ? vlv_read32+0xe3/0xee [i915] [ 301.284162] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.284172] [] ? printk+0x4f/0x54 [ 301.284178] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.284198] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.284203] [] ? del_timer_sync+0x21/0x3e [ 301.284208] [] ? schedule_timeout+0x151/0x16d [ 301.284216] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.284223] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.284242] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.284262] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.284281] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.284287] [] ? process_one_work+0x1bc/0x2ed [ 301.284292] [] ? worker_thread+0x1c7/0x2bc [ 301.284297] [] ? rescuer_thread+0x251/0x251 [ 301.284302] [] ? kthread+0xc5/0xcd [ 301.284308] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.284313] [] ? ret_from_fork+0x7c/0xb0 [ 301.284319] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.284322] ---[ end trace 49b28aaaac806e54 ]--- [ 301.289997] ------------[ cut here ]------------ [ 301.290025] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.290028] dp_aux_ch not started status 0xffffffff [ 301.290030] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.290059] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.290077] Workqueue: events i915_hotplug_work_func [i915] [ 301.290081] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.290086] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.290090] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.290095] Call Trace: [ 301.290102] [] ? dump_stack+0x41/0x51 [ 301.290108] [] ? warn_slowpath_common+0x73/0x8b [ 301.290128] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.290133] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.290153] [] ? vlv_read32+0xe3/0xee [i915] [ 301.290173] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.290178] [] ? printk+0x4f/0x54 [ 301.290184] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.290204] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.290208] [] ? del_timer_sync+0x21/0x3e [ 301.290214] [] ? schedule_timeout+0x151/0x16d [ 301.290221] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.290228] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.290248] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.290268] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.290287] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.290292] [] ? process_one_work+0x1bc/0x2ed [ 301.290297] [] ? worker_thread+0x1c7/0x2bc [ 301.290302] [] ? rescuer_thread+0x251/0x251 [ 301.290308] [] ? kthread+0xc5/0xcd [ 301.290313] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.290319] [] ? ret_from_fork+0x7c/0xb0 [ 301.290324] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.290327] ---[ end trace 49b28aaaac806e55 ]--- [ 301.296013] ------------[ cut here ]------------ [ 301.296041] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.296044] dp_aux_ch not started status 0xffffffff [ 301.296046] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.296075] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.296093] Workqueue: events i915_hotplug_work_func [i915] [ 301.296096] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.296101] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.296106] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.296111] Call Trace: [ 301.296118] [] ? dump_stack+0x41/0x51 [ 301.296124] [] ? warn_slowpath_common+0x73/0x8b [ 301.296144] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.296149] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.296169] [] ? vlv_read32+0xe3/0xee [i915] [ 301.296189] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.296194] [] ? printk+0x4f/0x54 [ 301.296200] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.296219] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.296224] [] ? del_timer_sync+0x21/0x3e [ 301.296229] [] ? schedule_timeout+0x151/0x16d [ 301.296237] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.296244] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.296263] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.296283] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.296303] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.296308] [] ? process_one_work+0x1bc/0x2ed [ 301.296313] [] ? worker_thread+0x1c7/0x2bc [ 301.296318] [] ? rescuer_thread+0x251/0x251 [ 301.296323] [] ? kthread+0xc5/0xcd [ 301.296329] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.296334] [] ? ret_from_fork+0x7c/0xb0 [ 301.296339] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.296343] ---[ end trace 49b28aaaac806e56 ]--- [ 301.302024] ------------[ cut here ]------------ [ 301.302053] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.302056] dp_aux_ch not started status 0xffffffff [ 301.302058] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.302087] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.302106] Workqueue: events i915_hotplug_work_func [i915] [ 301.302109] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.302114] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.302119] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.302124] Call Trace: [ 301.302131] [] ? dump_stack+0x41/0x51 [ 301.302136] [] ? warn_slowpath_common+0x73/0x8b [ 301.302156] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.302162] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.302182] [] ? vlv_read32+0xe3/0xee [i915] [ 301.302202] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.302207] [] ? printk+0x4f/0x54 [ 301.302213] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.302232] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.302237] [] ? del_timer_sync+0x21/0x3e [ 301.302243] [] ? schedule_timeout+0x151/0x16d [ 301.302250] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.302257] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.302277] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.302297] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.302316] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.302322] [] ? process_one_work+0x1bc/0x2ed [ 301.302326] [] ? worker_thread+0x1c7/0x2bc [ 301.302331] [] ? rescuer_thread+0x251/0x251 [ 301.302337] [] ? kthread+0xc5/0xcd [ 301.302342] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.302348] [] ? ret_from_fork+0x7c/0xb0 [ 301.302353] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.302356] ---[ end trace 49b28aaaac806e57 ]--- [ 301.308031] ------------[ cut here ]------------ [ 301.308059] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.308062] dp_aux_ch not started status 0xffffffff [ 301.308064] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.308093] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.308111] Workqueue: events i915_hotplug_work_func [i915] [ 301.308115] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.308120] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.308124] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.308129] Call Trace: [ 301.308137] [] ? dump_stack+0x41/0x51 [ 301.308142] [] ? warn_slowpath_common+0x73/0x8b [ 301.308162] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.308167] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.308187] [] ? vlv_read32+0xe3/0xee [i915] [ 301.308207] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.308212] [] ? printk+0x4f/0x54 [ 301.308218] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.308238] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.308243] [] ? del_timer_sync+0x21/0x3e [ 301.308248] [] ? schedule_timeout+0x151/0x16d [ 301.308256] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.308263] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.308282] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.308302] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.308321] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.308327] [] ? process_one_work+0x1bc/0x2ed [ 301.308332] [] ? worker_thread+0x1c7/0x2bc [ 301.308336] [] ? rescuer_thread+0x251/0x251 [ 301.308342] [] ? kthread+0xc5/0xcd [ 301.308347] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.308353] [] ? ret_from_fork+0x7c/0xb0 [ 301.308358] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.308361] ---[ end trace 49b28aaaac806e58 ]--- [ 301.314044] ------------[ cut here ]------------ [ 301.314072] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.314075] dp_aux_ch not started status 0xffffffff [ 301.314077] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.314106] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.314125] Workqueue: events i915_hotplug_work_func [i915] [ 301.314128] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.314133] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.314138] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.314142] Call Trace: [ 301.314150] [] ? dump_stack+0x41/0x51 [ 301.314155] [] ? warn_slowpath_common+0x73/0x8b [ 301.314175] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.314180] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.314201] [] ? vlv_read32+0xe3/0xee [i915] [ 301.314220] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.314226] [] ? printk+0x4f/0x54 [ 301.314231] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.314251] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.314256] [] ? del_timer_sync+0x21/0x3e [ 301.314261] [] ? schedule_timeout+0x151/0x16d [ 301.314269] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.314276] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.314295] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.314316] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.314335] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.314340] [] ? process_one_work+0x1bc/0x2ed [ 301.314345] [] ? worker_thread+0x1c7/0x2bc [ 301.314350] [] ? rescuer_thread+0x251/0x251 [ 301.314356] [] ? kthread+0xc5/0xcd [ 301.314361] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.314367] [] ? ret_from_fork+0x7c/0xb0 [ 301.314372] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.314376] ---[ end trace 49b28aaaac806e59 ]--- [ 301.320053] ------------[ cut here ]------------ [ 301.320082] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.320085] dp_aux_ch not started status 0xffffffff [ 301.320087] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.320115] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.320134] Workqueue: events i915_hotplug_work_func [i915] [ 301.320137] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.320142] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.320146] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.320151] Call Trace: [ 301.320158] [] ? dump_stack+0x41/0x51 [ 301.320164] [] ? warn_slowpath_common+0x73/0x8b [ 301.320184] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.320189] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.320209] [] ? vlv_read32+0xe3/0xee [i915] [ 301.320229] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.320234] [] ? printk+0x4f/0x54 [ 301.320240] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.320259] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.320264] [] ? del_timer_sync+0x21/0x3e [ 301.320270] [] ? schedule_timeout+0x151/0x16d [ 301.320277] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.320284] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.320304] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.320324] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.320343] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.320349] [] ? process_one_work+0x1bc/0x2ed [ 301.320354] [] ? worker_thread+0x1c7/0x2bc [ 301.320358] [] ? rescuer_thread+0x251/0x251 [ 301.320364] [] ? kthread+0xc5/0xcd [ 301.320369] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.320375] [] ? ret_from_fork+0x7c/0xb0 [ 301.320380] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.320384] ---[ end trace 49b28aaaac806e5a ]--- [ 301.320393] [drm:drm_dp_dpcd_access] too many retries, giving up [ 301.328069] ------------[ cut here ]------------ [ 301.328097] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.328100] dp_aux_ch not started status 0xffffffff [ 301.328102] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.328130] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.328149] Workqueue: events i915_hotplug_work_func [i915] [ 301.328152] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.328157] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.328162] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.328167] Call Trace: [ 301.328173] [] ? dump_stack+0x41/0x51 [ 301.328179] [] ? warn_slowpath_common+0x73/0x8b [ 301.328199] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.328204] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.328224] [] ? vlv_read32+0xe3/0xee [i915] [ 301.328244] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.328249] [] ? printk+0x4f/0x54 [ 301.328255] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.328274] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.328279] [] ? del_timer_sync+0x21/0x3e [ 301.328285] [] ? schedule_timeout+0x151/0x16d [ 301.328292] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.328299] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.328319] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.328339] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.328358] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.328364] [] ? process_one_work+0x1bc/0x2ed [ 301.328368] [] ? worker_thread+0x1c7/0x2bc [ 301.328373] [] ? rescuer_thread+0x251/0x251 [ 301.328379] [] ? kthread+0xc5/0xcd [ 301.328384] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.328390] [] ? ret_from_fork+0x7c/0xb0 [ 301.328395] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.328398] ---[ end trace 49b28aaaac806e5b ]--- [ 301.334083] ------------[ cut here ]------------ [ 301.334111] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.334115] dp_aux_ch not started status 0xffffffff [ 301.334117] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.334146] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.334164] Workqueue: events i915_hotplug_work_func [i915] [ 301.334167] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.334172] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.334177] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.334182] Call Trace: [ 301.334189] [] ? dump_stack+0x41/0x51 [ 301.334195] [] ? warn_slowpath_common+0x73/0x8b [ 301.334215] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.334220] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.334241] [] ? vlv_read32+0xe3/0xee [i915] [ 301.334260] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.334265] [] ? printk+0x4f/0x54 [ 301.334271] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.334291] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.334296] [] ? del_timer_sync+0x21/0x3e [ 301.334302] [] ? schedule_timeout+0x151/0x16d [ 301.334309] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.334316] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.334336] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.334356] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.334375] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.334381] [] ? process_one_work+0x1bc/0x2ed [ 301.334385] [] ? worker_thread+0x1c7/0x2bc [ 301.334390] [] ? rescuer_thread+0x251/0x251 [ 301.334396] [] ? kthread+0xc5/0xcd [ 301.334401] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.334407] [] ? ret_from_fork+0x7c/0xb0 [ 301.334412] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.334415] ---[ end trace 49b28aaaac806e5c ]--- [ 301.340092] ------------[ cut here ]------------ [ 301.340120] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.340123] dp_aux_ch not started status 0xffffffff [ 301.340125] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.340154] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.340172] Workqueue: events i915_hotplug_work_func [i915] [ 301.340175] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.340180] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.340185] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.340190] Call Trace: [ 301.340197] [] ? dump_stack+0x41/0x51 [ 301.340203] [] ? warn_slowpath_common+0x73/0x8b [ 301.340223] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.340228] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.340248] [] ? vlv_read32+0xe3/0xee [i915] [ 301.340268] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.340273] [] ? printk+0x4f/0x54 [ 301.340278] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.340298] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.340303] [] ? del_timer_sync+0x21/0x3e [ 301.340308] [] ? schedule_timeout+0x151/0x16d [ 301.340316] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.340322] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.340342] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.340362] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.340381] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.340387] [] ? process_one_work+0x1bc/0x2ed [ 301.340391] [] ? worker_thread+0x1c7/0x2bc [ 301.340396] [] ? rescuer_thread+0x251/0x251 [ 301.340402] [] ? kthread+0xc5/0xcd [ 301.340407] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.340412] [] ? ret_from_fork+0x7c/0xb0 [ 301.340418] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.340421] ---[ end trace 49b28aaaac806e5d ]--- [ 301.346106] ------------[ cut here ]------------ [ 301.346134] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.346137] dp_aux_ch not started status 0xffffffff [ 301.346139] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.346168] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.346186] Workqueue: events i915_hotplug_work_func [i915] [ 301.346189] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.346194] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.346199] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.346204] Call Trace: [ 301.346211] [] ? dump_stack+0x41/0x51 [ 301.346217] [] ? warn_slowpath_common+0x73/0x8b [ 301.346237] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.346242] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.346262] [] ? vlv_read32+0xe3/0xee [i915] [ 301.346282] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.346287] [] ? printk+0x4f/0x54 [ 301.346293] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.346313] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.346318] [] ? del_timer_sync+0x21/0x3e [ 301.346323] [] ? schedule_timeout+0x151/0x16d [ 301.346331] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.346337] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.346357] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.346377] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.346396] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.346401] [] ? process_one_work+0x1bc/0x2ed [ 301.346406] [] ? worker_thread+0x1c7/0x2bc [ 301.346411] [] ? rescuer_thread+0x251/0x251 [ 301.346416] [] ? kthread+0xc5/0xcd [ 301.346422] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.346427] [] ? ret_from_fork+0x7c/0xb0 [ 301.346433] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.346436] ---[ end trace 49b28aaaac806e5e ]--- [ 301.352117] ------------[ cut here ]------------ [ 301.352145] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.352148] dp_aux_ch not started status 0xffffffff [ 301.352150] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.352178] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.352196] Workqueue: events i915_hotplug_work_func [i915] [ 301.352200] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.352205] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.352209] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.352215] Call Trace: [ 301.352222] [] ? dump_stack+0x41/0x51 [ 301.352227] [] ? warn_slowpath_common+0x73/0x8b [ 301.352247] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.352257] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.352278] [] ? vlv_read32+0xe3/0xee [i915] [ 301.352298] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.352303] [] ? printk+0x4f/0x54 [ 301.352309] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.352328] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.352333] [] ? del_timer_sync+0x21/0x3e [ 301.352339] [] ? schedule_timeout+0x151/0x16d [ 301.352346] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.352353] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.352372] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.352392] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.352412] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.352417] [] ? process_one_work+0x1bc/0x2ed [ 301.352422] [] ? worker_thread+0x1c7/0x2bc [ 301.352427] [] ? rescuer_thread+0x251/0x251 [ 301.352432] [] ? kthread+0xc5/0xcd [ 301.352438] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.352444] [] ? ret_from_fork+0x7c/0xb0 [ 301.352449] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.352452] ---[ end trace 49b28aaaac806e5f ]--- [ 301.358130] ------------[ cut here ]------------ [ 301.358158] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.358161] dp_aux_ch not started status 0xffffffff [ 301.358163] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.358192] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.358210] Workqueue: events i915_hotplug_work_func [i915] [ 301.358213] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.358218] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.358223] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.358228] Call Trace: [ 301.358236] [] ? dump_stack+0x41/0x51 [ 301.358241] [] ? warn_slowpath_common+0x73/0x8b [ 301.358261] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.358267] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.358287] [] ? vlv_read32+0xe3/0xee [i915] [ 301.358306] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.358311] [] ? printk+0x4f/0x54 [ 301.358317] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.358337] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.358342] [] ? del_timer_sync+0x21/0x3e [ 301.358347] [] ? schedule_timeout+0x151/0x16d [ 301.358355] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.358362] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.358381] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.358401] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.358420] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.358426] [] ? process_one_work+0x1bc/0x2ed [ 301.358431] [] ? worker_thread+0x1c7/0x2bc [ 301.358436] [] ? rescuer_thread+0x251/0x251 [ 301.358441] [] ? kthread+0xc5/0xcd [ 301.358447] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.358457] [] ? ret_from_fork+0x7c/0xb0 [ 301.358463] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.358466] ---[ end trace 49b28aaaac806e60 ]--- [ 301.364139] ------------[ cut here ]------------ [ 301.364166] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_dp.c:488 intel_dp_aux_ch+0x54f/0x5ae [i915]() [ 301.364169] dp_aux_ch not started status 0xffffffff [ 301.364171] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.364200] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.364218] Workqueue: events i915_hotplug_work_func [i915] [ 301.364221] 0000000000000000 0000000000000009 ffffffff81717233 ffff8800767afb68 [ 301.364226] ffffffff81035052 ffffffff831bf0c0 ffffffffa00b47d1 ffffffff831bf0c0 [ 301.364231] ffff880002b798d0 ffff88000299c000 0000000000000000 00000000ffffffff [ 301.364236] Call Trace: [ 301.364243] [] ? dump_stack+0x41/0x51 [ 301.364249] [] ? warn_slowpath_common+0x73/0x8b [ 301.364269] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.364274] [] ? warn_slowpath_fmt+0x45/0x4a [ 301.364294] [] ? vlv_read32+0xe3/0xee [i915] [ 301.364314] [] ? intel_dp_aux_ch+0x54f/0x5ae [i915] [ 301.364319] [] ? printk+0x4f/0x54 [ 301.364324] [] ? lock_timer_base.isra.28+0x22/0x46 [ 301.364344] [] ? intel_dp_aux_transfer+0x103/0x10f [i915] [ 301.364349] [] ? del_timer_sync+0x21/0x3e [ 301.364354] [] ? schedule_timeout+0x151/0x16d [ 301.364361] [] ? drm_dp_dpcd_access+0x4f/0xc7 [drm_kms_helper] [ 301.364369] [] ? drm_dp_dpcd_read+0x14/0x19 [drm_kms_helper] [ 301.364388] [] ? intel_dp_dpcd_read_wake+0x2e/0x58 [i915] [ 301.364408] [] ? intel_dp_detect+0x1ce/0x280 [i915] [ 301.364427] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.364433] [] ? process_one_work+0x1bc/0x2ed [ 301.364438] [] ? worker_thread+0x1c7/0x2bc [ 301.364442] [] ? rescuer_thread+0x251/0x251 [ 301.364448] [] ? kthread+0xc5/0xcd [ 301.364453] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.364459] [] ? ret_from_fork+0x7c/0xb0 [ 301.364464] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.364467] ---[ end trace 49b28aaaac806e61 ]--- [ 301.364476] [drm:drm_dp_dpcd_access] too many retries, giving up [ 301.366154] ------------[ cut here ]------------ [ 301.366177] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5652 intel_display_power_put+0x39/0xf8 [i915]() [ 301.366180] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.366211] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.366230] Workqueue: events i915_hotplug_work_func [i915] [ 301.366233] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.366238] ffffffff81035052 ffffffff8103c75e ffffffffa006b4dc 0000000000000080 [ 301.366245] ffff88000299c000 000000000000000f ffff880072eac200 ffff88000299c000 [ 301.366250] Call Trace: [ 301.366257] [] ? dump_stack+0x41/0x51 [ 301.366263] [] ? warn_slowpath_common+0x73/0x8b [ 301.366268] [] ? internal_add_timer+0xd/0x28 [ 301.366283] [] ? intel_display_power_put+0x39/0xf8 [i915] [ 301.366300] [] ? intel_display_power_put+0x39/0xf8 [i915] [ 301.366323] [] ? intel_dp_detect+0x267/0x280 [i915] [ 301.366342] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.366348] [] ? process_one_work+0x1bc/0x2ed [ 301.366355] [] ? worker_thread+0x1c7/0x2bc [ 301.366360] [] ? rescuer_thread+0x251/0x251 [ 301.366366] [] ? kthread+0xc5/0xcd [ 301.366371] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.366377] [] ? ret_from_fork+0x7c/0xb0 [ 301.366382] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.366386] ---[ end trace 49b28aaaac806e62 ]--- [ 301.366388] ------------[ cut here ]------------ [ 301.366404] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5656 intel_display_power_put+0x77/0xf8 [i915]() [ 301.366409] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.366436] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.366454] Workqueue: events i915_hotplug_work_func [i915] [ 301.366459] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.366464] ffffffff81035052 ffffffff8103c75e ffffffffa006b51a 0000000000000080 [ 301.366468] ffff88000299c000 ffffffffa00eac60 0000000000000006 0000000000008000 [ 301.366473] Call Trace: [ 301.366478] [] ? dump_stack+0x41/0x51 [ 301.366483] [] ? warn_slowpath_common+0x73/0x8b [ 301.366488] [] ? internal_add_timer+0xd/0x28 [ 301.366504] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.366522] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.366542] [] ? intel_dp_detect+0x267/0x280 [i915] [ 301.366562] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.366570] [] ? process_one_work+0x1bc/0x2ed [ 301.366575] [] ? worker_thread+0x1c7/0x2bc [ 301.366580] [] ? rescuer_thread+0x251/0x251 [ 301.366585] [] ? kthread+0xc5/0xcd [ 301.366590] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.366596] [] ? ret_from_fork+0x7c/0xb0 [ 301.366601] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.366604] ---[ end trace 49b28aaaac806e63 ]--- [ 301.370296] ------------[ cut here ]------------ [ 301.370322] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5656 intel_display_power_put+0x77/0xf8 [i915]() [ 301.370325] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.370355] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.370374] Workqueue: events i915_hotplug_work_func [i915] [ 301.370377] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.370382] ffffffff81035052 0000000000000006 ffffffffa006b51a ffff88000299ed58 [ 301.370387] ffff88000299c000 ffffffffa00eac38 0000000000000005 0000000000008000 [ 301.370392] Call Trace: [ 301.370400] [] ? dump_stack+0x41/0x51 [ 301.370406] [] ? warn_slowpath_common+0x73/0x8b [ 301.370422] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.370438] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.370459] [] ? intel_dp_detect+0x267/0x280 [i915] [ 301.370478] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.370484] [] ? process_one_work+0x1bc/0x2ed [ 301.370489] [] ? worker_thread+0x1c7/0x2bc [ 301.370494] [] ? rescuer_thread+0x251/0x251 [ 301.370500] [] ? kthread+0xc5/0xcd [ 301.370505] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.370511] [] ? ret_from_fork+0x7c/0xb0 [ 301.370516] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.370520] ---[ end trace 49b28aaaac806e64 ]--- [ 301.374300] ------------[ cut here ]------------ [ 301.374323] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5656 intel_display_power_put+0x77/0xf8 [i915]() [ 301.374326] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.374355] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.374373] Workqueue: events i915_hotplug_work_func [i915] [ 301.374377] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.374382] ffffffff81035052 0000000000000005 ffffffffa006b51a ffff88000299ed58 [ 301.374386] ffff88000299c000 ffffffffa00eac10 0000000000000004 0000000000008000 [ 301.374391] Call Trace: [ 301.374399] [] ? dump_stack+0x41/0x51 [ 301.374404] [] ? warn_slowpath_common+0x73/0x8b [ 301.374420] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.374437] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.374457] [] ? intel_dp_detect+0x267/0x280 [i915] [ 301.374477] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.374482] [] ? process_one_work+0x1bc/0x2ed [ 301.374487] [] ? worker_thread+0x1c7/0x2bc [ 301.374492] [] ? rescuer_thread+0x251/0x251 [ 301.374498] [] ? kthread+0xc5/0xcd [ 301.374503] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.374509] [] ? ret_from_fork+0x7c/0xb0 [ 301.374515] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.374518] ---[ end trace 49b28aaaac806e65 ]--- [ 301.378308] ------------[ cut here ]------------ [ 301.378331] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5656 intel_display_power_put+0x77/0xf8 [i915]() [ 301.378334] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.378364] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.378382] Workqueue: events i915_hotplug_work_func [i915] [ 301.378385] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.378390] ffffffff81035052 0000000000000004 ffffffffa006b51a ffff88000299ed58 [ 301.378395] ffff88000299c000 ffffffffa00eabe8 0000000000000003 0000000000008000 [ 301.378401] Call Trace: [ 301.378408] [] ? dump_stack+0x41/0x51 [ 301.378413] [] ? warn_slowpath_common+0x73/0x8b [ 301.378430] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.378446] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.378466] [] ? intel_dp_detect+0x267/0x280 [i915] [ 301.378486] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.378491] [] ? process_one_work+0x1bc/0x2ed [ 301.378496] [] ? worker_thread+0x1c7/0x2bc [ 301.378501] [] ? rescuer_thread+0x251/0x251 [ 301.378506] [] ? kthread+0xc5/0xcd [ 301.378512] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.378517] [] ? ret_from_fork+0x7c/0xb0 [ 301.378523] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.378526] ---[ end trace 49b28aaaac806e66 ]--- [ 301.382178] ------------[ cut here ]------------ [ 301.382201] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5656 intel_display_power_put+0x77/0xf8 [i915]() [ 301.382204] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.382232] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.382251] Workqueue: events i915_hotplug_work_func [i915] [ 301.382254] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.382259] ffffffff81035052 0000000000000003 ffffffffa006b51a ffff88000299ed58 [ 301.382264] ffff88000299c000 ffffffffa00eabc0 0000000000000002 0000000000008000 [ 301.382269] Call Trace: [ 301.382276] [] ? dump_stack+0x41/0x51 [ 301.382282] [] ? warn_slowpath_common+0x73/0x8b [ 301.382298] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.382314] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.382334] [] ? intel_dp_detect+0x267/0x280 [i915] [ 301.382353] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.382359] [] ? process_one_work+0x1bc/0x2ed [ 301.382364] [] ? worker_thread+0x1c7/0x2bc [ 301.382369] [] ? rescuer_thread+0x251/0x251 [ 301.382375] [] ? kthread+0xc5/0xcd [ 301.382380] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.382386] [] ? ret_from_fork+0x7c/0xb0 [ 301.382391] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.382395] ---[ end trace 49b28aaaac806e67 ]--- [ 301.386186] ------------[ cut here ]------------ [ 301.386208] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5656 intel_display_power_put+0x77/0xf8 [i915]() [ 301.386211] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.386239] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.386258] Workqueue: events i915_hotplug_work_func [i915] [ 301.386261] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.386266] ffffffff81035052 0000000000000002 ffffffffa006b51a ffff88000299ed58 [ 301.386271] ffff88000299c000 ffffffffa00eab98 0000000000000001 0000000000008000 [ 301.386276] Call Trace: [ 301.386282] [] ? dump_stack+0x41/0x51 [ 301.386288] [] ? warn_slowpath_common+0x73/0x8b [ 301.386304] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.386320] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.386341] [] ? intel_dp_detect+0x267/0x280 [i915] [ 301.386360] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.386366] [] ? process_one_work+0x1bc/0x2ed [ 301.386371] [] ? worker_thread+0x1c7/0x2bc [ 301.386375] [] ? rescuer_thread+0x251/0x251 [ 301.386381] [] ? kthread+0xc5/0xcd [ 301.386387] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.386392] [] ? ret_from_fork+0x7c/0xb0 [ 301.386398] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.386401] ---[ end trace 49b28aaaac806e68 ]--- [ 301.390202] [drm:intel_hdmi_detect] [CONNECTOR:21:HDMI-A-2] [ 301.425410] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] timed out after NAK [ 301.425416] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1) [ 301.436421] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] timed out after NAK [ 301.436428] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1) [ 301.447456] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] timed out after NAK [ 301.447463] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1) [ 301.458388] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] timed out after NAK [ 301.458395] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1) [ 301.469348] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] timed out after NAK [ 301.469354] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1) [ 301.469357] ------------[ cut here ]------------ [ 301.469380] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5652 intel_display_power_put+0x39/0xf8 [i915]() [ 301.469383] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.469413] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.469432] Workqueue: events i915_hotplug_work_func [i915] [ 301.469435] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.469441] ffffffff81035052 ffff88000299ed58 ffffffffa006b4dc ffff8800767afd40 [ 301.469445] ffff88000299c000 000000000000000f 0000000000000002 ffff88000299c000 [ 301.469450] Call Trace: [ 301.469459] [] ? dump_stack+0x41/0x51 [ 301.469465] [] ? warn_slowpath_common+0x73/0x8b [ 301.469481] [] ? intel_display_power_put+0x39/0xf8 [i915] [ 301.469496] [] ? intel_display_power_put+0x39/0xf8 [i915] [ 301.469517] [] ? intel_hdmi_detect+0x10d/0x119 [i915] [ 301.469536] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.469542] [] ? process_one_work+0x1bc/0x2ed [ 301.469547] [] ? worker_thread+0x1c7/0x2bc [ 301.469552] [] ? rescuer_thread+0x251/0x251 [ 301.469558] [] ? kthread+0xc5/0xcd [ 301.469563] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.469569] [] ? ret_from_fork+0x7c/0xb0 [ 301.469574] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.469578] ---[ end trace 49b28aaaac806e69 ]--- [ 301.469580] ------------[ cut here ]------------ [ 301.469595] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5656 intel_display_power_put+0x77/0xf8 [i915]() [ 301.469598] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.469625] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.469643] Workqueue: events i915_hotplug_work_func [i915] [ 301.469645] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.469650] ffffffff81035052 ffff88000299ed58 ffffffffa006b51a ffff8800767afd40 [ 301.469655] ffff88000299c000 ffffffffa00eac60 0000000000000006 0000000000008000 [ 301.469660] Call Trace: [ 301.469665] [] ? dump_stack+0x41/0x51 [ 301.469670] [] ? warn_slowpath_common+0x73/0x8b [ 301.469686] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.469702] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.469722] [] ? intel_hdmi_detect+0x10d/0x119 [i915] [ 301.469741] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.469746] [] ? process_one_work+0x1bc/0x2ed [ 301.469751] [] ? worker_thread+0x1c7/0x2bc [ 301.469756] [] ? rescuer_thread+0x251/0x251 [ 301.469761] [] ? kthread+0xc5/0xcd [ 301.469767] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.469772] [] ? ret_from_fork+0x7c/0xb0 [ 301.469777] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.469781] ---[ end trace 49b28aaaac806e6a ]--- [ 301.473499] ------------[ cut here ]------------ [ 301.473525] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5656 intel_display_power_put+0x77/0xf8 [i915]() [ 301.473527] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.473557] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.473576] Workqueue: events i915_hotplug_work_func [i915] [ 301.473580] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.473585] ffffffff81035052 0000000000000006 ffffffffa006b51a ffff88000299ed58 [ 301.473590] ffff88000299c000 ffffffffa00eac38 0000000000000005 0000000000008000 [ 301.473595] Call Trace: [ 301.473602] [] ? dump_stack+0x41/0x51 [ 301.473608] [] ? warn_slowpath_common+0x73/0x8b [ 301.473625] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.473641] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.473661] [] ? intel_hdmi_detect+0x10d/0x119 [i915] [ 301.473680] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.473686] [] ? process_one_work+0x1bc/0x2ed [ 301.473691] [] ? worker_thread+0x1c7/0x2bc [ 301.473696] [] ? rescuer_thread+0x251/0x251 [ 301.473701] [] ? kthread+0xc5/0xcd [ 301.473707] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.473713] [] ? ret_from_fork+0x7c/0xb0 [ 301.473718] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.473721] ---[ end trace 49b28aaaac806e6b ]--- [ 301.477515] ------------[ cut here ]------------ [ 301.477538] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5656 intel_display_power_put+0x77/0xf8 [i915]() [ 301.477541] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.477571] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.477590] Workqueue: events i915_hotplug_work_func [i915] [ 301.477593] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.477598] ffffffff81035052 0000000000000005 ffffffffa006b51a ffff88000299ed58 [ 301.477603] ffff88000299c000 ffffffffa00eac10 0000000000000004 0000000000008000 [ 301.477608] Call Trace: [ 301.477616] [] ? dump_stack+0x41/0x51 [ 301.477621] [] ? warn_slowpath_common+0x73/0x8b [ 301.477637] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.477654] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.477674] [] ? intel_hdmi_detect+0x10d/0x119 [i915] [ 301.477693] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.477699] [] ? process_one_work+0x1bc/0x2ed [ 301.477704] [] ? worker_thread+0x1c7/0x2bc [ 301.477709] [] ? rescuer_thread+0x251/0x251 [ 301.477714] [] ? kthread+0xc5/0xcd [ 301.477720] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.477725] [] ? ret_from_fork+0x7c/0xb0 [ 301.477731] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.477734] ---[ end trace 49b28aaaac806e6c ]--- [ 301.481526] ------------[ cut here ]------------ [ 301.481549] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5656 intel_display_power_put+0x77/0xf8 [i915]() [ 301.481552] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.481582] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.481600] Workqueue: events i915_hotplug_work_func [i915] [ 301.481604] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.481609] ffffffff81035052 0000000000000004 ffffffffa006b51a ffff88000299ed58 [ 301.481614] ffff88000299c000 ffffffffa00eabe8 0000000000000003 0000000000008000 [ 301.481619] Call Trace: [ 301.481626] [] ? dump_stack+0x41/0x51 [ 301.481631] [] ? warn_slowpath_common+0x73/0x8b [ 301.481647] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.481664] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.481685] [] ? intel_hdmi_detect+0x10d/0x119 [i915] [ 301.481704] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.481709] [] ? process_one_work+0x1bc/0x2ed [ 301.481714] [] ? worker_thread+0x1c7/0x2bc [ 301.481719] [] ? rescuer_thread+0x251/0x251 [ 301.481725] [] ? kthread+0xc5/0xcd [ 301.481730] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.481736] [] ? ret_from_fork+0x7c/0xb0 [ 301.481741] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.481745] ---[ end trace 49b28aaaac806e6d ]--- [ 301.485527] ------------[ cut here ]------------ [ 301.485550] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5656 intel_display_power_put+0x77/0xf8 [i915]() [ 301.485553] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.485582] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.485600] Workqueue: events i915_hotplug_work_func [i915] [ 301.485604] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.485609] ffffffff81035052 0000000000000003 ffffffffa006b51a ffff88000299ed58 [ 301.485614] ffff88000299c000 ffffffffa00eabc0 0000000000000002 0000000000008000 [ 301.485619] Call Trace: [ 301.485626] [] ? dump_stack+0x41/0x51 [ 301.485632] [] ? warn_slowpath_common+0x73/0x8b [ 301.485648] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.485664] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.485684] [] ? intel_hdmi_detect+0x10d/0x119 [i915] [ 301.485704] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.485709] [] ? process_one_work+0x1bc/0x2ed [ 301.485714] [] ? worker_thread+0x1c7/0x2bc [ 301.485719] [] ? rescuer_thread+0x251/0x251 [ 301.485724] [] ? kthread+0xc5/0xcd [ 301.485730] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.485735] [] ? ret_from_fork+0x7c/0xb0 [ 301.485741] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.485744] ---[ end trace 49b28aaaac806e6e ]--- [ 301.489385] ------------[ cut here ]------------ [ 301.489408] WARNING: CPU: 0 PID: 4 at drivers/gpu/drm/i915/intel_pm.c:5656 intel_display_power_put+0x77/0xf8 [i915]() [ 301.489411] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 301.489439] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 301.489458] Workqueue: events i915_hotplug_work_func [i915] [ 301.489461] 0000000000000000 0000000000000009 ffffffff81717233 0000000000000000 [ 301.489466] ffffffff81035052 0000000000000002 ffffffffa006b51a ffff88000299ed58 [ 301.489471] ffff88000299c000 ffffffffa00eab98 0000000000000001 0000000000008000 [ 301.489476] Call Trace: [ 301.489482] [] ? dump_stack+0x41/0x51 [ 301.489488] [] ? warn_slowpath_common+0x73/0x8b [ 301.489504] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.489520] [] ? intel_display_power_put+0x77/0xf8 [i915] [ 301.489541] [] ? intel_hdmi_detect+0x10d/0x119 [i915] [ 301.489560] [] ? i915_hotplug_work_func+0x209/0x2b2 [i915] [ 301.489565] [] ? process_one_work+0x1bc/0x2ed [ 301.489570] [] ? worker_thread+0x1c7/0x2bc [ 301.489575] [] ? rescuer_thread+0x251/0x251 [ 301.489581] [] ? kthread+0xc5/0xcd [ 301.489586] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.489592] [] ? ret_from_fork+0x7c/0xb0 [ 301.489597] [] ? kthread_freezable_should_stop+0x40/0x40 [ 301.489601] ---[ end trace 49b28aaaac806e6f ]--- [ 301.493513] [drm:drm_mode_setcrtc] [CRTC:5] [ 301.493526] [drm:drm_mode_setcrtc] [CONNECTOR:23:eDP-1] [ 301.493531] [drm:intel_crtc_set_config] [CRTC:5] [FB:31] #connectors=1 (x y) (0 0) [ 301.493537] [drm:intel_set_config_compute_mode_changes] inactive crtc, full mode set [ 301.493541] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:5], mode_changed=1, fb_changed=0 [ 301.493544] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch [ 301.493548] [drm:intel_modeset_stage_output_state] [CONNECTOR:23:eDP-1] to [CRTC:5] [ 301.493552] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch [ 301.493555] [drm:intel_modeset_stage_output_state] crtc enabled, full mode switch [ 301.493560] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0 [ 301.493565] [drm:connected_sink_compute_bpp] [CONNECTOR:23:eDP-1] checking for sink bpp constrains [ 301.493571] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 0a pixel clock 138780KHz [ 301.493582] [drm:intel_dp_compute_config] DP link bw 0a lane count 2 clock 270000 bpp 24 [ 301.493585] [drm:intel_dp_compute_config] DP link bw required 333072 available 432000 [ 301.493590] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0 [ 301.493593] [drm:intel_dump_pipe_config] [CRTC:5][modeset] config for pipe A [ 301.493596] [drm:intel_dump_pipe_config] cpu_transcoder: A [ 301.493599] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0 [ 301.493603] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0 [ 301.493608] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 6467616, gmch_n: 8388608, link_m: 269484, link_n: 524288, tu: 64 [ 301.493610] [drm:intel_dump_pipe_config] requested mode: [ 301.493616] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 138780 1920 1966 1996 2080 1080 1082 1086 1112 0x48 0xa [ 301.493619] [drm:intel_dump_pipe_config] adjusted mode: [ 301.493624] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 138780 1920 1966 1996 2080 1080 1082 1086 1112 0x48 0xa [ 301.493629] [drm:intel_dump_crtc_timings] crtc timings: 138780 1920 1966 1996 2080 1080 1082 1086 1112, type: 0x48 flags: 0xa [ 301.493632] [drm:intel_dump_pipe_config] port clock: 270000 [ 301.493635] [drm:intel_dump_pipe_config] pipe src size: 1920x1080 [ 301.493638] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000 [ 301.493642] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled [ 301.493645] [drm:intel_dump_pipe_config] ips: 0 [ 301.493647] [drm:intel_dump_pipe_config] double wide: 0 [ 301.497405] [drm:intel_display_power_get] enabling display [ 301.505572] [drm:i915_redisable_vga_power_on] Something enabled VGA plane, disabling it [ 301.555674] [drm:i9xx_update_primary_plane] Writing base 01044000 00000000 0 0 7680 [ 301.555681] [drm:intel_edp_psr_match_conditions] PSR not supported on this platform [ 301.555686] [drm:intel_crtc_mode_set] [ENCODER:22:TMDS-22] set [MODE:0:1920x1080] [ 301.573553] [drm:vlv_enable_pll] *ERROR* DPLL 0 failed to lock [ 301.581572] [drm:intel_dp_init_panel_power_sequencer] cur t1_t3 0 t8 0 t9 0 t10 0 t11_t12 4000 [ 301.581577] [drm:intel_dp_init_panel_power_sequencer] vbt t1_t3 2000 t8 10 t9 2000 t10 500 t11_t12 5000 [ 301.581581] [drm:intel_dp_init_panel_power_sequencer] panel power up delay 200, power down delay 50, power cycle delay 500 [ 301.581584] [drm:intel_dp_init_panel_power_sequencer] backlight on delay 1, off delay 200 [ 301.581591] [drm:intel_dp_init_panel_power_sequencer_registers] panel power sequencer register settings: PP_ON 0x87d00001, PP_OFF 0x1f40001, PP_DIV 0x270f05 [ 301.585575] [drm:intel_display_power_get] enabling dpio-common [ 301.597599] [drm:intel_display_power_get] enabling dpio-tx-b-01 [ 301.609622] [drm:intel_display_power_get] enabling dpio-tx-b-23 [ 301.621789] [drm:intel_display_power_get] enabling dpio-tx-c-01 [ 301.633812] [drm:intel_display_power_get] enabling dpio-tx-c-23 [ 301.645851] [drm:_edp_panel_vdd_on] Turning eDP VDD on [ 301.645857] [drm:wait_panel_power_cycle] Wait for panel power cycle [ 301.645863] [drm:wait_panel_status] mask b800000f value 00000000 status 08000001 control abcd0000 [ 301.921372] [drm:wait_panel_status] Wait complete [ 301.921380] [drm:_edp_panel_vdd_on] PP_STATUS: 0x00000000 PP_CONTROL: 0xabcd0008 [ 301.921384] [drm:_edp_panel_vdd_on] eDP was not running [ 301.952061] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00100000 [ 301.952067] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 5 - cnt: 0 [ 302.136797] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 302.150824] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 302.151334] [drm:intel_dp_start_link_train] clock recovery OK [ 302.151339] [drm:intel_edp_panel_on] Turn eDP power on [ 302.151342] [drm:wait_panel_power_cycle] Wait for panel power cycle [ 302.151348] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control abcd0008 [ 302.151351] [drm:wait_panel_status] Wait complete [ 302.151354] [drm:wait_panel_on] Wait for panel power on [ 302.151359] [drm:wait_panel_status] mask b000000f value 80000008 status 00000000 control abcd000b [ 307.165592] [drm:wait_panel_status] *ERROR* Panel status timeout: status 00000000 control abcd000b [ 307.165599] [drm:wait_panel_status] Wait complete [ 307.165604] [drm:edp_panel_vdd_off_sync] Turning eDP VDD off [ 307.165610] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x00000000 PP_CONTROL: 0xabcd0003 [ 307.165614] [drm:intel_display_power_put] disabling dpio-tx-c-23 [ 307.168900] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00100000 [ 307.168906] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 5 - cnt: 0 [ 307.177623] [drm:intel_display_power_put] disabling dpio-tx-c-01 [ 307.189651] [drm:intel_display_power_put] disabling dpio-tx-b-23 [ 307.201669] [drm:intel_display_power_put] disabling dpio-tx-b-01 [ 307.213542] [drm:intel_display_power_put] disabling dpio-common [ 307.233730] [drm:intel_display_power_get] enabling dpio-common [ 307.245803] [drm:intel_display_power_get] enabling dpio-tx-b-01 [ 307.257792] [drm:intel_display_power_get] enabling dpio-tx-b-23 [ 307.269652] [drm:intel_display_power_get] enabling dpio-tx-c-01 [ 307.281837] [drm:intel_display_power_get] enabling dpio-tx-c-23 [ 307.293699] [drm:_edp_panel_vdd_on] Turning eDP VDD on [ 307.293705] [drm:wait_panel_power_cycle] Wait for panel power cycle [ 307.293710] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control abcd0003 [ 307.293714] [drm:wait_panel_status] Wait complete [ 307.293719] [drm:_edp_panel_vdd_on] PP_STATUS: 0x00000000 PP_CONTROL: 0xabcd000b [ 307.293722] [drm:_edp_panel_vdd_on] eDP was not running [ 307.320866] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00100000 [ 307.320872] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 5 - cnt: 1 [ 307.509270] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.523291] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.537391] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.552412] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.567368] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.582475] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.583330] [drm:intel_dp_link_down] [ 307.635511] [drm:g4x_wait_for_vblank] vblank wait timed out [ 307.700490] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.714517] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.715120] [drm:intel_dp_start_link_train] clock recovery OK [ 307.729547] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.743573] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.757601] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.771767] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.786863] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.801825] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.802856] [drm:intel_dp_link_down] [ 307.854990] [drm:g4x_wait_for_vblank] vblank wait timed out [ 307.920065] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.934157] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.934661] [drm:intel_dp_start_link_train] clock recovery OK [ 307.949162] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.964138] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.979217] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 307.994212] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.008223] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.023305] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.024217] [drm:intel_dp_link_down] [ 308.076359] [drm:g4x_wait_for_vblank] vblank wait timed out [ 308.141521] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.155552] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.156063] [drm:intel_dp_start_link_train] clock recovery OK [ 308.170553] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.184601] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.198607] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.212626] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.227685] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.241712] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.242534] [drm:intel_dp_link_down] [ 308.294787] [drm:g4x_wait_for_vblank] vblank wait timed out [ 308.359934] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.373960] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.374471] [drm:intel_dp_start_link_train] clock recovery OK [ 308.388966] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.404017] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.418099] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.432067] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.446092] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.461121] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.461931] [drm:intel_dp_link_down] [ 308.513288] [drm:g4x_wait_for_vblank] vblank wait timed out [ 308.578349] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.592231] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.592816] [drm:intel_dp_start_link_train] clock recovery OK [ 308.607507] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.622437] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.637474] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.651480] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.666520] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.681555] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.682367] [drm:intel_dp_link_down] [ 308.733701] [drm:g4x_wait_for_vblank] vblank wait timed out [ 308.798777] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.812832] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 308.813341] [drm:intel_dp_start_link_train] clock recovery OK [ 308.813513] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting [ 309.817820] ------------[ cut here ]------------ [ 309.817852] WARNING: CPU: 0 PID: 3703 at drivers/gpu/drm/i915/intel_display.c:1542 vlv_pre_enable_dp+0x107/0x116 [i915]() [ 309.817856] timed out waiting for port C ready: 0xf000a0ff [ 309.817859] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 309.817889] CPU: 0 PID: 3703 Comm: kms_flip Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 309.817893] 0000000000000000 0000000000000009 ffffffff81717233 ffff880072f87aa8 [ 309.817898] ffffffff81035052 0000000000000286 ffffffffa00b5dcf dead000000200200 [ 309.817903] ffff880002b79800 ffff88000299c000 ffff880002b798d0 ffff880071a96000 [ 309.817908] Call Trace: [ 309.817917] [] ? dump_stack+0x41/0x51 [ 309.817924] [] ? warn_slowpath_common+0x73/0x8b [ 309.817944] [] ? vlv_pre_enable_dp+0x107/0x116 [i915] [ 309.817949] [] ? warn_slowpath_fmt+0x45/0x4a [ 309.817970] [] ? vlv_wait_port_ready+0xc2/0xfb [i915] [ 309.817990] [] ? vlv_pre_enable_dp+0x107/0x116 [i915] [ 309.818011] [] ? valleyview_crtc_enable+0x2a0/0x399 [i915] [ 309.818031] [] ? __intel_set_mode+0x1080/0x1180 [i915] [ 309.818036] [] ? printk+0x4f/0x54 [ 309.818057] [] ? intel_set_mode+0xd/0x27 [i915] [ 309.818078] [] ? intel_crtc_set_config+0x715/0xa17 [i915] [ 309.818092] [] ? drm_mode_set_config_internal+0x48/0xc0 [drm] [ 309.818103] [] ? drm_mode_setcrtc+0x3f2/0x490 [drm] [ 309.818114] [] ? drm_ioctl+0x25c/0x3ad [drm] [ 309.818125] [] ? drm_mode_setplane+0x329/0x329 [drm] [ 309.818131] [] ? timespec_add_safe+0x1e/0x4d [ 309.818140] [] ? drm_read+0x148/0x16c [drm] [ 309.818147] [] ? do_vfs_ioctl+0x3ec/0x435 [ 309.818152] [] ? vfs_read+0xf4/0x132 [ 309.818157] [] ? SyS_ioctl+0x49/0x78 [ 309.818163] [] ? __audit_syscall_exit+0x209/0x225 [ 309.818170] [] ? system_call_fastpath+0x16/0x1b [ 309.818173] ---[ end trace 49b28aaaac806e70 ]--- [ 309.818223] [drm:g4x_check_srwm] SR watermark: display plane 107, cursor 2 [ 309.818227] [drm:g4x_check_srwm] SR watermark: display plane 211, cursor 2 [ 309.818232] [drm:valleyview_update_wm] Setting FIFO watermarks - A: plane=61, cursor=2, B: plane=2, cursor=2, SR: plane=107, cursor=2 [ 309.869721] [drm:g4x_wait_for_vblank] vblank wait timed out [ 309.925963] [drm:g4x_wait_for_vblank] vblank wait timed out [ 309.925971] [drm:intel_edp_backlight_on] [ 309.925977] [drm:intel_panel_enable_backlight] pipe A [ 309.925981] [drm:intel_panel_actually_set_backlight] set backlight PWM = 7812 [ 309.950011] [drm:intel_connector_check_state] [CONNECTOR:23:eDP-1] [ 310.054215] [drm:check_encoder_state] [ENCODER:13:DAC-13] [ 310.062229] [drm:check_encoder_state] [ENCODER:14:TMDS-14] [ 310.086280] [drm:check_encoder_state] [ENCODER:18:TMDS-18] [ 310.110326] [drm:check_encoder_state] [ENCODER:20:TMDS-20] [ 310.134370] [drm:check_encoder_state] [ENCODER:22:TMDS-22] [ 310.158417] [drm:check_crtc_state] [CRTC:5] [ 310.188480] [drm:intel_pipe_config_compare] *ERROR* mismatch in adjusted_mode.crtc_clock (expected 138780, found 256999) [ 310.188485] ------------[ cut here ]------------ [ 310.188513] WARNING: CPU: 1 PID: 3703 at drivers/gpu/drm/i915/intel_display.c:9816 check_crtc_state+0x7ef/0x827 [i915]() [ 310.188516] pipe state doesn't match! [ 310.188518] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore battery ac acpi_cpufreq i915 video button drm_kms_helper drm [ 310.188548] CPU: 1 PID: 3703 Comm: kms_flip Tainted: G W 3.14.0_drm-intel-nightly_b2f42c_20140403+ #1294 [ 310.188552] 0000000000000000 0000000000000009 ffffffff81717233 ffff880072f878e8 [ 310.188557] ffffffff81035052 ffff880072f878e0 ffffffffa00965dd ffff880072f86000 [ 310.188562] ffff880075ea3000 ffff880071a96000 ffff880072f87978 ffff880075ea36e0 [ 310.188567] Call Trace: [ 310.188577] [] ? dump_stack+0x41/0x51 [ 310.188583] [] ? warn_slowpath_common+0x73/0x8b [ 310.188604] [] ? check_crtc_state+0x7ef/0x827 [i915] [ 310.188609] [] ? warn_slowpath_fmt+0x45/0x4a [ 310.188630] [] ? intel_dp_get_config+0xd3/0x14d [i915] [ 310.188650] [] ? check_crtc_state+0x7ef/0x827 [i915] [ 310.188673] [] ? intel_modeset_check_state+0x351/0x5ff [i915] [ 310.188693] [] ? intel_set_mode+0x1d/0x27 [i915] [ 310.188714] [] ? intel_crtc_set_config+0x715/0xa17 [i915] [ 310.188728] [] ? drm_mode_set_config_internal+0x48/0xc0 [drm] [ 310.188739] [] ? drm_mode_setcrtc+0x3f2/0x490 [drm] [ 310.188749] [] ? drm_ioctl+0x25c/0x3ad [drm] [ 310.188761] [] ? drm_mode_setplane+0x329/0x329 [drm] [ 310.188766] [] ? timespec_add_safe+0x1e/0x4d [ 310.188776] [] ? drm_read+0x148/0x16c [drm] [ 310.188782] [] ? do_vfs_ioctl+0x3ec/0x435 [ 310.188787] [] ? vfs_read+0xf4/0x132 [ 310.188792] [] ? SyS_ioctl+0x49/0x78 [ 310.188799] [] ? __audit_syscall_exit+0x209/0x225 [ 310.188805] [] ? system_call_fastpath+0x16/0x1b [ 310.188808] ---[ end trace 49b28aaaac806e71 ]--- [ 310.188812] [drm:intel_dump_pipe_config] [CRTC:5][hw state] config for pipe A [ 310.188815] [drm:intel_dump_pipe_config] cpu_transcoder: A [ 310.188818] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0 [ 310.188822] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0 [ 310.188827] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 6467616, gmch_n: 8388608, link_m: 269484, link_n: 524288, tu: 64 [ 310.188829] [drm:intel_dump_pipe_config] requested mode: [ 310.188835] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 1920 0 0 0 1080 0 0 0 0x0 0x0 [ 310.188837] [drm:intel_dump_pipe_config] adjusted mode: [ 310.188842] [drm:drm_mode_debug_printmodeline] Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0xa [ 310.188847] [drm:intel_dump_crtc_timings] crtc timings: 256999 1920 1966 1996 2080 1080 1082 1086 1112, type: 0x0 flags: 0xa [ 310.188850] [drm:intel_dump_pipe_config] port clock: 500000 [ 310.188853] [drm:intel_dump_pipe_config] pipe src size: 1920x1080 [ 310.188856] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000 [ 310.188860] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled [ 310.188863] [drm:intel_dump_pipe_config] ips: 0 [ 310.188865] [drm:intel_dump_pipe_config] double wide: 0 [ 310.188868] [drm:intel_dump_pipe_config] [CRTC:5][sw state] config for pipe A [ 310.188871] [drm:intel_dump_pipe_config] cpu_transcoder: A [ 310.188874] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0 [ 310.188878] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0 [ 310.188882] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 6467616, gmch_n: 8388608, link_m: 269484, link_n: 524288, tu: 64 [ 310.188885] [drm:intel_dump_pipe_config] requested mode: [ 310.188890] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 138780 1920 1966 1996 2080 1080 1082 1086 1112 0x48 0xa [ 310.188893] [drm:intel_dump_pipe_config] adjusted mode: [ 310.188898] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 138780 1920 1966 1996 2080 1080 1082 1086 1112 0x48 0xa [ 310.188903] [drm:intel_dump_crtc_timings] crtc timings: 138780 1920 1966 1996 2080 1080 1082 1086 1112, type: 0x48 flags: 0xa [ 310.188906] [drm:intel_dump_pipe_config] port clock: 270000 [ 310.188909] [drm:intel_dump_pipe_config] pipe src size: 1920x1080 [ 310.188913] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000 [ 310.188916] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled [ 310.188919] [drm:intel_dump_pipe_config] ips: 0 [ 310.188921] [drm:intel_dump_pipe_config] double wide: 0 [ 310.188924] [drm:check_crtc_state] [CRTC:9] [ 310.192507] [drm:i915_hotplug_work_func] running encoder hotplug functions [ 310.192515] [drm:i915_hotplug_work_func] Connector eDP-1 (pin 5) received hotplug event. [ 310.192520] [drm:i915_hotplug_work_func] Connector HDMI-A-2 (pin 5) received hotplug event. [ 310.192980] [drm:intel_dp_get_dpcd] DPCD: 12 0a 82 41 00 00 01 80 02 00 00 00 0f 0b 00 [ 310.193139] [drm:intel_dp_get_dpcd] Detected EDP PSR Panel. [ 310.193438] [drm:intel_dp_check_link_status] TMDS-22: channel EQ not ok, retraining [ 310.207522] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.221552] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.222062] [drm:intel_dp_start_link_train] clock recovery OK [ 310.236565] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.250595] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.264621] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.279666] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.293692] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.308707] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.309589] [drm:intel_dp_link_down] [ 310.361812] [drm:g4x_wait_for_vblank] vblank wait timed out [ 310.426950] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.440980] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.441491] [drm:intel_dp_start_link_train] clock recovery OK [ 310.455995] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.470110] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.485065] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.500083] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.514198] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.529151] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.530072] [drm:intel_dp_link_down] [ 310.582243] [drm:g4x_wait_for_vblank] vblank wait timed out [ 310.647381] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.661411] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.661922] [drm:intel_dp_start_link_train] clock recovery OK [ 310.676292] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.690524] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.705492] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.720513] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.735550] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.750440] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.751334] [drm:intel_dp_link_down] [ 310.802673] [drm:g4x_wait_for_vblank] vblank wait timed out [ 310.867809] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.881891] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.882401] [drm:intel_dp_start_link_train] clock recovery OK [ 310.896922] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.911897] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.926913] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.940942] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.955980] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.971001] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 310.971811] [drm:intel_dp_link_down] [ 311.023102] [drm:g4x_wait_for_vblank] vblank wait timed out [ 311.088238] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.102309] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.102820] [drm:intel_dp_start_link_train] clock recovery OK [ 311.117348] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.132329] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.146351] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.160383] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.175279] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.189427] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.190238] [drm:intel_dp_link_down] [ 311.241529] [drm:g4x_wait_for_vblank] vblank wait timed out [ 311.306665] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.320693] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.321203] [drm:intel_dp_start_link_train] clock recovery OK [ 311.335711] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.349740] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.363763] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.378809] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.393822] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.408865] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.409677] [drm:intel_dp_link_down] [ 311.460971] [drm:g4x_wait_for_vblank] vblank wait timed out [ 311.526081] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.540111] [drm:intel_dp_set_signal_levels] Using signal levels 00000000 [ 311.540619] [drm:intel_dp_start_link_train] clock recovery OK [ 311.540785] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP, aborting [ 311.564026] [drm:intel_dp_detect] [CONNECTOR:23:eDP-1] [ 311.564331] [drm:intel_dp_probe_oui] Sink OUI: 001cf8 [ 311.564495] [drm:intel_dp_probe_oui] Branch OUI: 000000 [ 311.588208] [drm:intel_hdmi_detect] [CONNECTOR:21:HDMI-A-2] [ 311.612399] [drm:gmbus_xfer] GMBUS [i915 gmbus dpc] NAK for addr: 0050 r(1) [ 311.612404] [drm:drm_do_probe_ddc_edid] drm: skipping non-existent adapter i915 gmbus dpc [ 311.636304] [drm:edp_panel_vdd_off_sync] Turning eDP VDD off [ 311.636312] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x00000000 PP_CONTROL: 0xabcd0007 [ 311.636316] [drm:intel_display_power_put] disabling dpio-tx-c-23 [ 311.639767] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00100000 [ 311.639773] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 5 - cnt: 0 [ 311.648190] [drm:intel_display_power_put] disabling dpio-tx-c-01 [ 311.660344] [drm:intel_display_power_put] disabling dpio-tx-b-23 [ 311.675241] [drm:intel_display_power_put] disabling dpio-tx-b-01 [ 311.687285] [drm:intel_display_power_put] disabling dpio-common [ 311.703339] [drm:drm_mode_setcrtc] [CRTC:5] [ 311.703347] [drm:intel_crtc_set_config] [CRTC:5] [NOFB] [ 311.703355] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:5], mode_changed=1, fb_changed=0 [ 311.703359] [drm:intel_modeset_stage_output_state] [CONNECTOR:23:eDP-1] to [NOCRTC] [ 311.703362] [drm:intel_modeset_stage_output_state] encoder changed, full mode switch [ 311.703366] [drm:intel_modeset_stage_output_state] crtc changed, full mode switch [ 311.703369] [drm:intel_modeset_stage_output_state] crtc disabled, full mode switch [ 311.703374] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 1 [ 311.707301] [drm:intel_display_power_get] enabling dpio-common [ 311.719324] [drm:intel_display_power_get] enabling dpio-tx-b-01 [ 311.731346] [drm:intel_display_power_get] enabling dpio-tx-b-23 [ 311.743368] [drm:intel_display_power_get] enabling dpio-tx-c-01 [ 311.755543] [drm:intel_display_power_get] enabling dpio-tx-c-23 [ 311.767651] [drm:_edp_panel_vdd_on] Turning eDP VDD on [ 311.767657] [drm:wait_panel_power_cycle] Wait for panel power cycle [ 311.767662] [drm:wait_panel_status] mask b800000f value 00000000 status 00000000 control abcd0007 [ 311.767666] [drm:wait_panel_status] Wait complete [ 311.767671] [drm:_edp_panel_vdd_on] PP_STATUS: 0x00000000 PP_CONTROL: 0xabcd000f [ 311.767674] [drm:_edp_panel_vdd_on] eDP was not running [ 311.794903] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00100000 [ 311.794909] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 5 - cnt: 1 [ 311.968821] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0 [ 311.968828] [drm:intel_edp_backlight_off] [ 311.969063] [drm:intel_edp_panel_off] Turn eDP power off [ 312.170207] [drm:wait_panel_off] Wait for panel power off time [ 312.170215] [drm:wait_panel_status] mask b0000000 value 00000000 status 00000000 control abcd0000 [ 312.170218] [drm:wait_panel_status] Wait complete [ 312.170222] [drm:intel_display_power_put] disabling dpio-tx-c-23 [ 312.173378] [drm:intel_hpd_irq_handler] hotplug event received, stat 0x00100000 [ 312.173383] [drm:intel_hpd_irq_handler] Received HPD interrupt on PIN 5 - cnt: 2 [ 312.182229] [drm:intel_display_power_put] disabling dpio-tx-c-01 [ 312.194396] [drm:intel_display_power_put] disabling dpio-tx-b-23 [ 312.206551] [drm:intel_display_power_put] disabling dpio-tx-b-01 [ 312.218441] [drm:intel_display_power_put] disabling dpio-common