The UI froze and went blank. I could ssh in from another machine and get dmesg, but halt did not work nor did reboot (with sudo) AND … is there a way to attach a file to a topic instead of cut and paste?
[51208.826931] tegradc tegradc.1: DP : Prod set failed
[51208.827080] dp lt: switching from state 0 (Reset) to state 2 (clock recovery)
[51208.827087] dp lt: state 2 (clock recovery), pending_lt_evt 0
[51208.827542] dp lt: config: lane 0: vs level: 0, pe level: 0, pc2 level: 0
[51208.827553] dp lt: config: lane 1: vs level: 0, pe level: 0, pc2 level: 0
[51208.827564] dp lt: config: lane 2: vs level: 0, pe level: 0, pc2 level: 0
[51208.827575] dp lt: config: lane 3: vs level: 0, pe level: 0, pc2 level: 0
[51208.827581] dp lt: tx_pu: 0x20
[51208.841371] dp lt: CR done
[51208.841376] dp lt: switching from state 2 (clock recovery) to state 3 (channel equalization)
[51208.841384] dp lt: state 3 (channel equalization), pending_lt_evt 0
[51208.855406] dp lt: CE done
[51208.855410] dp lt: switching from state 3 (channel equalization) to state 5 (link training pass)
[51208.865404] tegradc tegradc.1: unblank
[51209.382550] Host read timeout at address 5458045c
[51209.387306] tegradc tegradc.0: blank - powerdown
[51209.387321] tegradc tegradc.0: unblank
[51209.402439] tegradc tegradc.0: nominal-pclk:148500000 parent:148500000 div:1.0 pclk:148500000 147015000~161865000
[51209.402532] tegradc tegradc.0: hdmi: tmds rate:148500K prod-setting:prod_c_hdmi_75m_150m
[51209.405483] tegradc tegradc.0: hdmi: get RGB quant from EDID.
[51209.405491] tegradc tegradc.0: hdmi: get YCC quant from EDID.
[51209.408804] extcon-disp-state extcon:disp-state: cable 47 state 1
[51209.408806] Extcon AUX1(HDMI) enable
[51353.853837] INFO: task Xorg:5744 blocked for more than 120 seconds.
[51353.853856] Not tainted 4.9.140-tegra #1
[51353.853864] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[51353.853894] Xorg D 0 5744 5742 0x00000000
[51353.853903] Call trace:
[51353.853954] [<ffffff80080863bc>] __switch_to+0x9c/0xc0
[51353.853983] [<ffffff8008f3f020>] __schedule+0x270/0x780
[51353.853998] [<ffffff8008f3f570>] schedule+0x40/0xa8
[51353.854016] [<ffffff8008f3fa20>] schedule_preempt_disabled+0x28/0x40
[51353.854036] [<ffffff8008f411ac>] __mutex_lock_slowpath+0xcc/0x190
[51353.854051] [<ffffff8008f412bc>] mutex_lock+0x4c/0x60
[51353.854077] [<ffffff80085d8ff4>] tegra_dc_update_winlut+0x4c/0x2e8
[51353.854094] [<ffffff80085d92c8>] tegra_dc_update_lut+0x38/0xd8
[51353.854118] [<ffffff800861dd04>] tegra_dc_ext_set_lut+0x10c/0x228
[51353.854139] [<ffffff80086221e4>] tegra_dc_ioctl+0xbb4/0x1df0
[51353.854162] [<ffffff8008271a90>] do_vfs_ioctl+0xb0/0x8d8
[51353.854177] [<ffffff8008272344>] SyS_ioctl+0x8c/0xa8
[51353.854197] [<ffffff80080838c0>] el0_svc_naked+0x34/0x38
[51353.854429] INFO: task kworker/0:2:14079 blocked for more than 120 seconds.
[51353.854439] Not tainted 4.9.140-tegra #1
[51353.854446] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[51353.854469] kworker/0:2 D 0 14079 2 0x00000000
[51353.854532] Workqueue: events tegra_hdmi_hpd_worker
[51353.854539] Call trace:
[51353.854559] [<ffffff80080863bc>] __switch_to+0x9c/0xc0
[51353.854577] [<ffffff8008f3f020>] __schedule+0x270/0x780
[51353.854591] [<ffffff8008f3f570>] schedule+0x40/0xa8
[51353.854606] [<ffffff8008f3fa20>] schedule_preempt_disabled+0x28/0x40
[51353.854622] [<ffffff8008f411ac>] __mutex_lock_slowpath+0xcc/0x190
[51353.854636] [<ffffff8008f412bc>] mutex_lock+0x4c/0x60
[51353.854658] [<ffffff800861d210>] set_enable+0x50/0xd0
[51353.854678] [<ffffff8008621264>] tegra_dc_ext_enable+0x24/0x30
[51353.854708] [<ffffff80085bea2c>] _tegra_dc_controller_enable+0x36c/0x1ab8
[51353.854728] [<ffffff80085c01f8>] _tegra_dc_enable+0x80/0x110
[51353.854748] [<ffffff80085c0938>] tegra_dc_enable+0x88/0x1c8
[51353.854771] [<ffffff800866ef6c>] tegra_fb_blank+0xcc/0x218
[51353.854794] [<ffffff800851a450>] fb_blank+0x60/0xc0
[51353.854812] [<ffffff800866fe04>] tegra_fbcon_set_fb_mode+0x8c/0xa0
[51353.854831] [<ffffff800866ffc4>] tegra_fb_update_monspecs+0x1ac/0x2d8
[51353.854849] [<ffffff80086267c8>] tegra_hdmi_hotplug_notify+0x70/0xd0
[51353.854865] [<ffffff8008628180>] tegra_hdmi_edid_eld_setup+0x168/0x248
[51353.854881] [<ffffff8008629e68>] tegra_hdmi_hpd_worker+0x138/0x2f8
[51353.854905] [<ffffff80080d4f3c>] process_one_work+0x1e4/0x4b0
[51353.854923] [<ffffff80080d5258>] worker_thread+0x50/0x4c8
[51353.854943] [<ffffff80080dbee4>] kthread+0xec/0xf0
[51353.854959] [<ffffff8008083850>] ret_from_fork+0x10/0x40
[51474.683155] INFO: task Xorg:5744 blocked for more than 120 seconds.
[51474.683174] Not tainted 4.9.140-tegra #1
[51474.683182] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[51474.683213] Xorg D 0 5744 5742 0x00000000
[51474.683222] Call trace:
[51474.683274] [<ffffff80080863bc>] __switch_to+0x9c/0xc0
[51474.683305] [<ffffff8008f3f020>] __schedule+0x270/0x780
[51474.683323] [<ffffff8008f3f570>] schedule+0x40/0xa8
[51474.683341] [<ffffff8008f3fa20>] schedule_preempt_disabled+0x28/0x40
[51474.683362] [<ffffff8008f411ac>] __mutex_lock_slowpath+0xcc/0x190
[51474.683377] [<ffffff8008f412bc>] mutex_lock+0x4c/0x60
[51474.683403] [<ffffff80085d8ff4>] tegra_dc_update_winlut+0x4c/0x2e8
[51474.683419] [<ffffff80085d92c8>] tegra_dc_update_lut+0x38/0xd8
[51474.683445] [<ffffff800861dd04>] tegra_dc_ext_set_lut+0x10c/0x228
[51474.683465] [<ffffff80086221e4>] tegra_dc_ioctl+0xbb4/0x1df0
[51474.683489] [<ffffff8008271a90>] do_vfs_ioctl+0xb0/0x8d8
[51474.683504] [<ffffff8008272344>] SyS_ioctl+0x8c/0xa8
[51474.683524] [<ffffff80080838c0>] el0_svc_naked+0x34/0x38
[51474.683736] INFO: task kworker/0:2:14079 blocked for more than 120 seconds.
[51474.683746] Not tainted 4.9.140-tegra #1
[51474.683752] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[51474.683774] kworker/0:2 D 0 14079 2 0x00000000
[51474.683839] Workqueue: events tegra_hdmi_hpd_worker
[51474.683845] Call trace:
[51474.683865] [<ffffff80080863bc>] __switch_to+0x9c/0xc0
[51474.683883] [<ffffff8008f3f020>] __schedule+0x270/0x780
[51474.683896] [<ffffff8008f3f570>] schedule+0x40/0xa8
[51474.683912] [<ffffff8008f3fa20>] schedule_preempt_disabled+0x28/0x40
[51474.683928] [<ffffff8008f411ac>] __mutex_lock_slowpath+0xcc/0x190
[51474.683943] [<ffffff8008f412bc>] mutex_lock+0x4c/0x60
[51474.683963] [<ffffff800861d210>] set_enable+0x50/0xd0
[51474.683984] [<ffffff8008621264>] tegra_dc_ext_enable+0x24/0x30
[51474.684014] [<ffffff80085bea2c>] _tegra_dc_controller_enable+0x36c/0x1ab8
[51474.684034] [<ffffff80085c01f8>] _tegra_dc_enable+0x80/0x110
[51474.684052] [<ffffff80085c0938>] tegra_dc_enable+0x88/0x1c8
[51474.684074] [<ffffff800866ef6c>] tegra_fb_blank+0xcc/0x218
[51474.684098] [<ffffff800851a450>] fb_blank+0x60/0xc0
[51474.684117] [<ffffff800866fe04>] tegra_fbcon_set_fb_mode+0x8c/0xa0
[51474.684135] [<ffffff800866ffc4>] tegra_fb_update_monspecs+0x1ac/0x2d8
[51474.684151] [<ffffff80086267c8>] tegra_hdmi_hotplug_notify+0x70/0xd0
[51474.684167] [<ffffff8008628180>] tegra_hdmi_edid_eld_setup+0x168/0x248
[51474.684181] [<ffffff8008629e68>] tegra_hdmi_hpd_worker+0x138/0x2f8
[51474.684205] [<ffffff80080d4f3c>] process_one_work+0x1e4/0x4b0
[51474.684222] [<ffffff80080d5258>] worker_thread+0x50/0x4c8
[51474.684241] [<ffffff80080dbee4>] kthread+0xec/0xf0
[51474.684256] [<ffffff8008083850>] ret_from_fork+0x10/0x40
[51595.512391] INFO: task Xorg:5744 blocked for more than 120 seconds.
[51595.512405] Not tainted 4.9.140-tegra #1
[51595.512411] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[51595.512432] Xorg D 0 5744 5742 0x00000000
[51595.512440] Call trace:
[51595.512483] [<ffffff80080863bc>] __switch_to+0x9c/0xc0
[51595.512505] [<ffffff8008f3f020>] __schedule+0x270/0x780
[51595.512518] [<ffffff8008f3f570>] schedule+0x40/0xa8
[51595.512529] [<ffffff8008f3fa20>] schedule_preempt_disabled+0x28/0x40
[51595.512545] [<ffffff8008f411ac>] __mutex_lock_slowpath+0xcc/0x190
[51595.512554] [<ffffff8008f412bc>] mutex_lock+0x4c/0x60
[51595.512575] [<ffffff80085d8ff4>] tegra_dc_update_winlut+0x4c/0x2e8
[51595.512586] [<ffffff80085d92c8>] tegra_dc_update_lut+0x38/0xd8
[51595.512606] [<ffffff800861dd04>] tegra_dc_ext_set_lut+0x10c/0x228
[51595.512620] [<ffffff80086221e4>] tegra_dc_ioctl+0xbb4/0x1df0
[51595.512636] [<ffffff8008271a90>] do_vfs_ioctl+0xb0/0x8d8
[51595.512646] [<ffffff8008272344>] SyS_ioctl+0x8c/0xa8
[51595.512660] [<ffffff80080838c0>] el0_svc_naked+0x34/0x38
[51595.512850] INFO: task kworker/0:2:14079 blocked for more than 120 seconds.
[51595.512856] Not tainted 4.9.140-tegra #1
[51595.512861] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[51595.512878] kworker/0:2 D 0 14079 2 0x00000000
[51595.512924] Workqueue: events tegra_hdmi_hpd_worker
[51595.512928] Call trace:
[51595.512941] [<ffffff80080863bc>] __switch_to+0x9c/0xc0
[51595.512954] [<ffffff8008f3f020>] __schedule+0x270/0x780
[51595.512964] [<ffffff8008f3f570>] schedule+0x40/0xa8
[51595.512975] [<ffffff8008f3fa20>] schedule_preempt_disabled+0x28/0x40
[51595.512986] [<ffffff8008f411ac>] __mutex_lock_slowpath+0xcc/0x190
[51595.512997] [<ffffff8008f412bc>] mutex_lock+0x4c/0x60
[51595.513012] [<ffffff800861d210>] set_enable+0x50/0xd0
[51595.513027] [<ffffff8008621264>] tegra_dc_ext_enable+0x24/0x30
[51595.513048] [<ffffff80085bea2c>] _tegra_dc_controller_enable+0x36c/0x1ab8
[51595.513061] [<ffffff80085c01f8>] _tegra_dc_enable+0x80/0x110
[51595.513076] [<ffffff80085c0938>] tegra_dc_enable+0x88/0x1c8
[51595.513092] [<ffffff800866ef6c>] tegra_fb_blank+0xcc/0x218
[51595.513110] [<ffffff800851a450>] fb_blank+0x60/0xc0
[51595.513123] [<ffffff800866fe04>] tegra_fbcon_set_fb_mode+0x8c/0xa0
[51595.513136] [<ffffff800866ffc4>] tegra_fb_update_monspecs+0x1ac/0x2d8
[51595.513149] [<ffffff80086267c8>] tegra_hdmi_hotplug_notify+0x70/0xd0
[51595.513160] [<ffffff8008628180>] tegra_hdmi_edid_eld_setup+0x168/0x248
[51595.513171] [<ffffff8008629e68>] tegra_hdmi_hpd_worker+0x138/0x2f8
[51595.513189] [<ffffff80080d4f3c>] process_one_work+0x1e4/0x4b0
[51595.513201] [<ffffff80080d5258>] worker_thread+0x50/0x4c8
[51595.513216] [<ffffff80080dbee4>] kthread+0xec/0xf0
[51595.513227] [<ffffff8008083850>] ret_from_fork+0x10/0x40
[51716.341771] INFO: task Xorg:5744 blocked for more than 120 seconds.
[51716.341789] Not tainted 4.9.140-tegra #1
[51716.341796] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[51716.341826] Xorg D 0 5744 5742 0x00000000
[51716.341836] Call trace:
[51716.341890] [<ffffff80080863bc>] __switch_to+0x9c/0xc0
[51716.341920] [<ffffff8008f3f020>] __schedule+0x270/0x780
[51716.341937] [<ffffff8008f3f570>] schedule+0x40/0xa8
[51716.341956] [<ffffff8008f3fa20>] schedule_preempt_disabled+0x28/0x40
[51716.341977] [<ffffff8008f411ac>] __mutex_lock_slowpath+0xcc/0x190
[51716.341992] [<ffffff8008f412bc>] mutex_lock+0x4c/0x60
[51716.342020] [<ffffff80085d8ff4>] tegra_dc_update_winlut+0x4c/0x2e8
[51716.342037] [<ffffff80085d92c8>] tegra_dc_update_lut+0x38/0xd8
[51716.342064] [<ffffff800861dd04>] tegra_dc_ext_set_lut+0x10c/0x228
[51716.342085] [<ffffff80086221e4>] tegra_dc_ioctl+0xbb4/0x1df0
[51716.342109] [<ffffff8008271a90>] do_vfs_ioctl+0xb0/0x8d8
[51716.342125] [<ffffff8008272344>] SyS_ioctl+0x8c/0xa8
[51716.342145] [<ffffff80080838c0>] el0_svc_naked+0x34/0x38
[51716.342357] INFO: task kworker/0:2:14079 blocked for more than 120 seconds.
[51716.342367] Not tainted 4.9.140-tegra #1
[51716.342373] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[51716.342396] kworker/0:2 D 0 14079 2 0x00000000
[51716.342459] Workqueue: events tegra_hdmi_hpd_worker
[51716.342465] Call trace:
[51716.342486] [<ffffff80080863bc>] __switch_to+0x9c/0xc0
[51716.342503] [<ffffff8008f3f020>] __schedule+0x270/0x780
[51716.342516] [<ffffff8008f3f570>] schedule+0x40/0xa8
[51716.342532] [<ffffff8008f3fa20>] schedule_preempt_disabled+0x28/0x40
[51716.342547] [<ffffff8008f411ac>] __mutex_lock_slowpath+0xcc/0x190
[51716.342563] [<ffffff8008f412bc>] mutex_lock+0x4c/0x60
[51716.342584] [<ffffff800861d210>] set_enable+0x50/0xd0
[51716.342606] [<ffffff8008621264>] tegra_dc_ext_enable+0x24/0x30
[51716.342635] [<ffffff80085bea2c>] _tegra_dc_controller_enable+0x36c/0x1ab8
[51716.342655] [<ffffff80085c01f8>] _tegra_dc_enable+0x80/0x110
[51716.342674] [<ffffff80085c0938>] tegra_dc_enable+0x88/0x1c8
[51716.342696] [<ffffff800866ef6c>] tegra_fb_blank+0xcc/0x218
[51716.342719] [<ffffff800851a450>] fb_blank+0x60/0xc0
[51716.342738] [<ffffff800866fe04>] tegra_fbcon_set_fb_mode+0x8c/0xa0
[51716.342757] [<ffffff800866ffc4>] tegra_fb_update_monspecs+0x1ac/0x2d8
[51716.342774] [<ffffff80086267c8>] tegra_hdmi_hotplug_notify+0x70/0xd0
[51716.342790] [<ffffff8008628180>] tegra_hdmi_edid_eld_setup+0x168/0x248
[51716.342806] [<ffffff8008629e68>] tegra_hdmi_hpd_worker+0x138/0x2f8
[51716.342830] [<ffffff80080d4f3c>] process_one_work+0x1e4/0x4b0
[51716.342849] [<ffffff80080d5258>] worker_thread+0x50/0x4c8
[51716.342868] [<ffffff80080dbee4>] kthread+0xec/0xf0
[51716.342884] [<ffffff8008083850>] ret_from_fork+0x10/0x40
[51837.171124] INFO: task Xorg:5744 blocked for more than 120 seconds.
[51837.171143] Not tainted 4.9.140-tegra #1
[51837.171151] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[51837.171182] Xorg D 0 5744 5742 0x00000000
[51837.171193] Call trace:
[51837.171248] [<ffffff80080863bc>] __switch_to+0x9c/0xc0
[51837.171278] [<ffffff8008f3f020>] __schedule+0x270/0x780
[51837.171296] [<ffffff8008f3f570>] schedule+0x40/0xa8
[51837.171314] [<ffffff8008f3fa20>] schedule_preempt_disabled+0x28/0x40
[51837.171334] [<ffffff8008f411ac>] __mutex_lock_slowpath+0xcc/0x190
[51837.171349] [<ffffff8008f412bc>] mutex_lock+0x4c/0x60
[51837.171376] [<ffffff80085d8ff4>] tegra_dc_update_winlut+0x4c/0x2e8
[51837.171393] [<ffffff80085d92c8>] tegra_dc_update_lut+0x38/0xd8
[51837.171419] [<ffffff800861dd04>] tegra_dc_ext_set_lut+0x10c/0x228
[51837.171439] [<ffffff80086221e4>] tegra_dc_ioctl+0xbb4/0x1df0
[51837.171463] [<ffffff8008271a90>] do_vfs_ioctl+0xb0/0x8d8
[51837.171478] [<ffffff8008272344>] SyS_ioctl+0x8c/0xa8
[51837.171497] [<ffffff80080838c0>] el0_svc_naked+0x34/0x38
[51837.171717] INFO: task kworker/0:2:14079 blocked for more than 120 seconds.
[51837.171727] Not tainted 4.9.140-tegra #1
[51837.171734] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[51837.171757] kworker/0:2 D 0 14079 2 0x00000000
[51837.171818] Workqueue: events tegra_hdmi_hpd_worker
[51837.171823] Call trace:
[51837.171843] [<ffffff80080863bc>] __switch_to+0x9c/0xc0
[51837.171859] [<ffffff8008f3f020>] __schedule+0x270/0x780
[51837.171871] [<ffffff8008f3f570>] schedule+0x40/0xa8
[51837.171886] [<ffffff8008f3fa20>] schedule_preempt_disabled+0x28/0x40
[51837.171902] [<ffffff8008f411ac>] __mutex_lock_slowpath+0xcc/0x190
[51837.171916] [<ffffff8008f412bc>] mutex_lock+0x4c/0x60
[51837.171937] [<ffffff800861d210>] set_enable+0x50/0xd0
[51837.171958] [<ffffff8008621264>] tegra_dc_ext_enable+0x24/0x30
[51837.171987] [<ffffff80085bea2c>] _tegra_dc_controller_enable+0x36c/0x1ab8
[51837.172006] [<ffffff80085c01f8>] _tegra_dc_enable+0x80/0x110
[51837.172025] [<ffffff80085c0938>] tegra_dc_enable+0x88/0x1c8
[51837.172047] [<ffffff800866ef6c>] tegra_fb_blank+0xcc/0x218
[51837.172094] [<ffffff800851a450>] fb_blank+0x60/0xc0
[51837.172117] [<ffffff800866fe04>] tegra_fbcon_set_fb_mode+0x8c/0xa0
[51837.172136] [<ffffff800866ffc4>] tegra_fb_update_monspecs+0x1ac/0x2d8
[51837.172152] [<ffffff80086267c8>] tegra_hdmi_hotplug_notify+0x70/0xd0
[51837.172167] [<ffffff8008628180>] tegra_hdmi_edid_eld_setup+0x168/0x248
[51837.172182] [<ffffff8008629e68>] tegra_hdmi_hpd_worker+0x138/0x2f8
[51837.172206] [<ffffff80080d4f3c>] process_one_work+0x1e4/0x4b0
[51837.172224] [<ffffff80080d5258>] worker_thread+0x50/0x4c8
[51837.172241] [<ffffff80080dbee4>] kthread+0xec/0xf0
[51837.172258] [<ffffff8008083850>] ret_from_fork+0x10/0x40