******@jetson5138:~$ dmesg [ 87.832637] tegradc tegradc.0: hdmi: unplugged [ 87.872007] tegradc tegradc.0: blank - powerdown [ 87.872020] tegradc tegradc.0: unblank [ 87.872048] tegradc tegradc.0: unblank [ 87.872057] tegradc tegradc.1: blank - powerdown [ 107.673651] tegra-i2c 7000c700.i2c: no acknowledge from address 0x50 [ 107.728837] tegradc tegradc.0: blank - powerdown [ 107.728866] ------------[ cut here ]------------ [ 107.728876] WARNING: CPU: 2 PID: 1728 at /dvs/git/dirty/git-master_linux/kernel/kernel-4.9/drivers/video/console/fbcon.c:892 var_to_display+0xd4/0xf0 [ 107.728911] Modules linked in: fuse xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xt_addrtype iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack br_netfilter zram bnep overlay btusb btrtl btbcm btintel iwlmvm mac80211 iwlwifi cfg80211 spidev nvgpu bluedroid_pm ip_tables x_tables [ 107.728916] CPU: 2 PID: 1728 Comm: kworker/2:2 Not tainted 4.9.140-tegra #1 [ 107.728918] Hardware name: NVIDIA Jetson Nano Developer Kit (DT) [ 107.728928] Workqueue: events tegra_hdmi_hpd_worker [ 107.728930] task: ffffffc0f5228000 task.stack: ffffffc0f51d8000 [ 107.728932] PC is at var_to_display+0xd4/0xf0 [ 107.728934] LR is at var_to_display+0xb8/0xf0 [ 107.728936] pc : [] lr : [] pstate: 60400045 [ 107.728937] sp : ffffffc0f51db8c0 [ 107.728941] x29: ffffffc0f51db8c0 x28: ffffff8009e4bc48 [ 107.728944] x27: ffffff800a16eef0 x26: ffffffc0f7de2000 [ 107.728948] x25: ffffff800a17ceb8 x24: ffffff800a16eef0 [ 107.728951] x23: ffffff8009ebb000 x22: ffffffc0fa5d1400 [ 107.728953] x21: ffffffc0f90c6000 x20: ffffffc0f90c6060 [ 107.728956] x19: ffffff800a16eef0 x18: 0000000000000000 [ 107.728959] x17: 0000000000000001 x16: 0000000000000000 [ 107.728962] x15: ffffffffffffffff x14: 0000000200000060 [ 107.728965] x13: 0000000a00000021 x12: 0000000000000010 [ 107.728967] x11: 000000000000000a x10: 000000000000000a [ 107.728970] x9 : 0000000000000021 x8 : 00000000000003e8 [ 107.728973] x7 : 0000000000000010 x6 : 0000000000000030 [ 107.728975] x5 : 0000000000000000 x4 : 0000000000000023 [ 107.728978] x3 : 0000000000000106 x2 : 000000000000041a [ 107.728981] x1 : 0000000000007b0c x0 : 0000000000000000 [ 107.728983] ---[ end trace 6e239386e265c343 ]--- [ 107.728985] Call trace: [ 107.728988] [] var_to_display+0xd4/0xf0 [ 107.728991] [] fbcon_event_notify+0x720/0xa10 [ 107.728996] [] notifier_call_chain+0x5c/0xa0 [ 107.728999] [] blocking_notifier_call_chain+0x64/0x88 [ 107.729002] [] fb_notifier_call_chain+0x30/0x40 [ 107.729005] [] fb_set_var+0x2fc/0x398 [ 107.729009] [] tegra_fbcon_set_fb_mode+0x70/0xa0 [ 107.729011] [] tegra_fb_update_monspecs+0x184/0x318 [ 107.729014] [] tegra_hdmi_hotplug_notify+0x70/0xd0 [ 107.729018] [] tegra_hdmi_edid_eld_setup+0x1b4/0x240 [ 107.729021] [] tegra_hdmi_hpd_worker+0x160/0x360 [ 107.729025] [] process_one_work+0x1e4/0x4b0 [ 107.729028] [] worker_thread+0x50/0x4c8 [ 107.729030] [] kthread+0xec/0xf0 [ 107.729034] [] ret_from_fork+0x10/0x40 [ 107.729066] ------------[ cut here ]------------ [ 107.729070] WARNING: CPU: 2 PID: 1728 at /dvs/git/dirty/git-master_linux/kernel/kernel-4.9/drivers/video/console/fbcon.c:892 var_to_display+0xd4/0xf0 [ 107.729097] Modules linked in: fuse xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xt_addrtype iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack br_netfilter zram bnep overlay btusb btrtl btbcm btintel iwlmvm mac80211 iwlwifi cfg80211 spidev nvgpu bluedroid_pm ip_tables x_tables [ 107.729100] CPU: 2 PID: 1728 Comm: kworker/2:2 Tainted: G W 4.9.140-tegra #1 [ 107.729101] Hardware name: NVIDIA Jetson Nano Developer Kit (DT) [ 107.729108] Workqueue: events tegra_hdmi_hpd_worker [ 107.729110] task: ffffffc0f5228000 task.stack: ffffffc0f51d8000 [ 107.729112] PC is at var_to_display+0xd4/0xf0 [ 107.729114] LR is at var_to_display+0xb8/0xf0 [ 107.729116] pc : [] lr : [] pstate: 60400045 [ 107.729117] sp : ffffffc0f51db8c0 [ 107.729120] x29: ffffffc0f51db8c0 x28: ffffff8009e4bc48 [ 107.729123] x27: ffffff800a16ef70 x26: ffffffc0f7de2000 [ 107.729126] x25: ffffff800a17ceb8 x24: ffffff800a16eef0 [ 107.729128] x23: ffffff8009ebb000 x22: ffffffc0f3a6c800 [ 107.729131] x21: ffffffc0f90c6000 x20: ffffffc0f90c6060 [ 107.729134] x19: ffffff800a16ef70 x18: 0000000000000000 [ 107.729137] x17: 0000000000000001 x16: 0000000000000000 [ 107.729139] x15: ffffffffffffffff x14: 0000000200000060 [ 107.729142] x13: 0000000a00000021 x12: 0000000000000000 [ 107.729145] x11: 00000002000000a0 x10: 000000000000000a [ 107.729148] x9 : 0000000000000021 x8 : 00000000000003e8 [ 107.729150] x7 : 0000000000000010 x6 : 0000000000000030 [ 107.729153] x5 : 0000000000000000 x4 : 0000000000000023 [ 107.729155] x3 : 0000000000000106 x2 : 000000000000041a [ 107.729158] x1 : 0000000000007b0c x0 : 0000000000000000 [ 107.729160] ---[ end trace 6e239386e265c344 ]--- [ 107.729161] Call trace: [ 107.729163] [] var_to_display+0xd4/0xf0 [ 107.729166] [] fbcon_event_notify+0x720/0xa10 [ 107.729169] [] notifier_call_chain+0x5c/0xa0 [ 107.729171] [] blocking_notifier_call_chain+0x64/0x88 [ 107.729174] [] fb_notifier_call_chain+0x30/0x40 [ 107.729176] [] fb_set_var+0x2fc/0x398 [ 107.729179] [] tegra_fbcon_set_fb_mode+0x70/0xa0 [ 107.729181] [] tegra_fb_update_monspecs+0x184/0x318 [ 107.729184] [] tegra_hdmi_hotplug_notify+0x70/0xd0 [ 107.729187] [] tegra_hdmi_edid_eld_setup+0x1b4/0x240 [ 107.729190] [] tegra_hdmi_hpd_worker+0x160/0x360 [ 107.729193] [] process_one_work+0x1e4/0x4b0 [ 107.729195] [] worker_thread+0x50/0x4c8 [ 107.729197] [] kthread+0xec/0xf0 [ 107.729199] [] ret_from_fork+0x10/0x40 [ 107.729224] ------------[ cut here ]------------ [ 107.729228] WARNING: CPU: 2 PID: 1728 at /dvs/git/dirty/git-master_linux/kernel/kernel-4.9/drivers/video/console/fbcon.c:892 var_to_display+0xd4/0xf0 [ 107.729254] Modules linked in: fuse xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xt_addrtype iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack br_netfilter zram bnep overlay btusb btrtl btbcm btintel iwlmvm mac80211 iwlwifi cfg80211 spidev nvgpu bluedroid_pm ip_tables x_tables [ 107.729257] CPU: 2 PID: 1728 Comm: kworker/2:2 Tainted: G W 4.9.140-tegra #1 [ 107.729258] Hardware name: NVIDIA Jetson Nano Developer Kit (DT) [ 107.729265] Workqueue: events tegra_hdmi_hpd_worker [ 107.729267] task: ffffffc0f5228000 task.stack: ffffffc0f51d8000 [ 107.729269] PC is at var_to_display+0xd4/0xf0 [ 107.729271] LR is at var_to_display+0xb8/0xf0 [ 107.729272] pc : [] lr : [] pstate: 60400045 [ 107.729273] sp : ffffffc0f51db8c0 [ 107.729277] x29: ffffffc0f51db8c0 x28: ffffff8009e4bc48 [ 107.729280] x27: ffffff800a16eff0 x26: ffffffc0f7de2000 [ 107.729283] x25: ffffff800a17ceb8 x24: ffffff800a16eef0 [ 107.729285] x23: ffffff8009ebb000 x22: ffffffc0f39a1c00 [ 107.729288] x21: ffffffc0f90c6000 x20: ffffffc0f90c6060 [ 107.729291] x19: ffffff800a16eff0 x18: 0000000000000000 [ 107.729294] x17: 000000000007bd2a x16: 0000000000000000 [ 107.729297] x15: ffffffffffffffff x14: 0000000200000060 [ 107.729300] x13: 0000000a00000021 x12: 0000000000000000 [ 107.729302] x11: 00000002000000a0 x10: 000000000000000a [ 107.729305] x9 : 0000000000000021 x8 : 00000000000003e8 [ 107.729308] x7 : 0000000000000010 x6 : 0000000000000030 [ 107.729311] x5 : 0000000000000000 x4 : 0000000000000023 [ 107.729313] x3 : 0000000000000106 x2 : 000000000000041a [ 107.729316] x1 : 0000000000007b0c x0 : 0000000000000000 [ 107.729318] ---[ end trace 6e239386e265c345 ]--- [ 107.729319] Call trace: [ 107.729321] [] var_to_display+0xd4/0xf0 [ 107.729324] [] fbcon_event_notify+0x720/0xa10 [ 107.729326] [] notifier_call_chain+0x5c/0xa0 [ 107.729329] [] blocking_notifier_call_chain+0x64/0x88 [ 107.729332] [] fb_notifier_call_chain+0x30/0x40 [ 107.729335] [] fb_set_var+0x2fc/0x398 [ 107.729337] [] tegra_fbcon_set_fb_mode+0x70/0xa0 [ 107.729339] [] tegra_fb_update_monspecs+0x184/0x318 [ 107.729342] [] tegra_hdmi_hotplug_notify+0x70/0xd0 [ 107.729345] [] tegra_hdmi_edid_eld_setup+0x1b4/0x240 [ 107.729348] [] tegra_hdmi_hpd_worker+0x160/0x360 [ 107.729351] [] process_one_work+0x1e4/0x4b0 [ 107.729353] [] worker_thread+0x50/0x4c8 [ 107.729355] [] kthread+0xec/0xf0 [ 107.729358] [] ret_from_fork+0x10/0x40 [ 107.729386] ------------[ cut here ]------------ [ 107.729390] WARNING: CPU: 2 PID: 1728 at /dvs/git/dirty/git-master_linux/kernel/kernel-4.9/drivers/video/console/fbcon.c:892 var_to_display+0xd4/0xf0 [ 107.729416] Modules linked in: fuse xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xt_addrtype iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack br_netfilter zram bnep overlay btusb btrtl btbcm btintel iwlmvm mac80211 iwlwifi cfg80211 spidev nvgpu bluedroid_pm ip_tables x_tables [ 107.729418] CPU: 2 PID: 1728 Comm: kworker/2:2 Tainted: G W 4.9.140-tegra #1 [ 107.729420] Hardware name: NVIDIA Jetson Nano Developer Kit (DT) [ 107.729426] Workqueue: events tegra_hdmi_hpd_worker [ 107.729428] task: ffffffc0f5228000 task.stack: ffffffc0f51d8000 [ 107.729430] PC is at var_to_display+0xd4/0xf0 [ 107.729431] LR is at var_to_display+0xb8/0xf0 [ 107.729433] pc : [] lr : [] pstate: 60400045 [ 107.729434] sp : ffffffc0f51db8c0 [ 107.729437] x29: ffffffc0f51db8c0 x28: ffffff8009e4bc48 [ 107.729440] x27: ffffff800a16f070 x26: ffffffc0f7de2000 [ 107.729443] x25: ffffff800a17ceb8 x24: ffffff800a16eef0 [ 107.729446] x23: ffffff8009ebb000 x22: ffffffc0f3a6f000 [ 107.729448] x21: ffffffc0f90c6000 x20: ffffffc0f90c6060 [ 107.729451] x19: ffffff800a16f070 x18: 0000000000000000 [ 107.729454] x17: 0000000000000000 x16: 0000000000000000 [ 107.729457] x15: ffffffffffffffff x14: 0000000200000060 [ 107.729459] x13: 0000000a00000021 x12: 0000000000000000 [ 107.729462] x11: 00000002000000a0 x10: 000000000000000a [ 107.729465] x9 : 0000000000000021 x8 : 00000000000003e8 [ 107.729467] x7 : 0000000000000010 x6 : 0000000000000030 [ 107.729470] x5 : 0000000000000000 x4 : 0000000000000023 [ 107.729473] x3 : 0000000000000106 x2 : 000000000000041a [ 107.729475] x1 : 0000000000007b0c x0 : 0000000000000000 [ 107.729477] ---[ end trace 6e239386e265c346 ]--- [ 107.729478] Call trace: [ 107.729481] [] var_to_display+0xd4/0xf0 [ 107.729483] [] fbcon_event_notify+0x720/0xa10 [ 107.729486] [] notifier_call_chain+0x5c/0xa0 [ 107.729488] [] blocking_notifier_call_chain+0x64/0x88 [ 107.729491] [] fb_notifier_call_chain+0x30/0x40 [ 107.729494] [] fb_set_var+0x2fc/0x398 [ 107.729496] [] tegra_fbcon_set_fb_mode+0x70/0xa0 [ 107.729499] [] tegra_fb_update_monspecs+0x184/0x318 [ 107.729502] [] tegra_hdmi_hotplug_notify+0x70/0xd0 [ 107.729505] [] tegra_hdmi_edid_eld_setup+0x1b4/0x240 [ 107.729508] [] tegra_hdmi_hpd_worker+0x160/0x360 [ 107.729511] [] process_one_work+0x1e4/0x4b0 [ 107.729513] [] worker_thread+0x50/0x4c8 [ 107.729515] [] kthread+0xec/0xf0 [ 107.729518] [] ret_from_fork+0x10/0x40 [ 107.729542] ------------[ cut here ]------------ [ 107.729546] WARNING: CPU: 2 PID: 1728 at /dvs/git/dirty/git-master_linux/kernel/kernel-4.9/drivers/video/console/fbcon.c:892 var_to_display+0xd4/0xf0 [ 107.729573] Modules linked in: fuse xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xt_addrtype iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack br_netfilter zram bnep overlay btusb btrtl btbcm btintel iwlmvm mac80211 iwlwifi cfg80211 spidev nvgpu bluedroid_pm ip_tables x_tables [ 107.729576] CPU: 2 PID: 1728 Comm: kworker/2:2 Tainted: G W 4.9.140-tegra #1 [ 107.729577] Hardware name: NVIDIA Jetson Nano Developer Kit (DT) [ 107.729584] Workqueue: events tegra_hdmi_hpd_worker [ 107.729586] task: ffffffc0f5228000 task.stack: ffffffc0f51d8000 [ 107.729587] PC is at var_to_display+0xd4/0xf0 [ 107.729589] LR is at var_to_display+0xb8/0xf0 [ 107.729591] pc : [] lr : [] pstate: 60400045 [ 107.729592] sp : ffffffc0f51db8c0 [ 107.729595] x29: ffffffc0f51db8c0 x28: ffffff8009e4bc48 [ 107.729598] x27: ffffff800a16f0f0 x26: ffffffc0f7de2000 [ 107.729601] x25: ffffff800a17ceb8 x24: ffffff800a16eef0 [ 107.729603] x23: ffffff8009ebb000 x22: ffffffc0f259c800 [ 107.729606] x21: ffffffc0f90c6000 x20: ffffffc0f90c6060 [ 107.729609] x19: ffffff800a16f0f0 x18: 0000000000000000 [ 107.729612] x17: 0000000000000000 x16: 0000000000000000 [ 107.729614] x15: ffffffffffffffff x14: 0000000200000060 [ 107.729617] x13: 0000000a00000021 x12: 0000000000000000 [ 107.729620] x11: 00000002000000a0 x10: 000000000000000a [ 107.729622] x9 : 0000000000000021 x8 : 00000000000003e8 [ 107.729625] x7 : 0000000000000010 x6 : 0000000000000030 [ 107.729628] x5 : 0000000000000000 x4 : 0000000000000023 [ 107.729630] x3 : 0000000000000106 x2 : 000000000000041a [ 107.729633] x1 : 0000000000007b0c x0 : 0000000000000000 [ 107.729635] ---[ end trace 6e239386e265c347 ]--- [ 107.729635] Call trace: [ 107.729638] [] var_to_display+0xd4/0xf0 [ 107.729640] [] fbcon_event_notify+0x720/0xa10 [ 107.729643] [] notifier_call_chain+0x5c/0xa0 [ 107.729646] [] blocking_notifier_call_chain+0x64/0x88 [ 107.729648] [] fb_notifier_call_chain+0x30/0x40 [ 107.729651] [] fb_set_var+0x2fc/0x398 [ 107.729653] [] tegra_fbcon_set_fb_mode+0x70/0xa0 [ 107.729656] [] tegra_fb_update_monspecs+0x184/0x318 [ 107.729659] [] tegra_hdmi_hotplug_notify+0x70/0xd0 [ 107.729661] [] tegra_hdmi_edid_eld_setup+0x1b4/0x240 [ 107.729664] [] tegra_hdmi_hpd_worker+0x160/0x360 [ 107.729667] [] process_one_work+0x1e4/0x4b0 [ 107.729670] [] worker_thread+0x50/0x4c8 [ 107.729672] [] kthread+0xec/0xf0 [ 107.729674] [] ret_from_fork+0x10/0x40 [ 107.729697] ------------[ cut here ]------------ [ 107.729700] WARNING: CPU: 2 PID: 1728 at /dvs/git/dirty/git-master_linux/kernel/kernel-4.9/drivers/video/console/fbcon.c:892 var_to_display+0xd4/0xf0 [ 107.729726] Modules linked in: fuse xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xt_addrtype iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack br_netfilter zram bnep overlay btusb btrtl btbcm btintel iwlmvm mac80211 iwlwifi cfg80211 spidev nvgpu bluedroid_pm ip_tables x_tables [ 107.729729] CPU: 2 PID: 1728 Comm: kworker/2:2 Tainted: G W 4.9.140-tegra #1 [ 107.729731] Hardware name: NVIDIA Jetson Nano Developer Kit (DT) [ 107.729738] Workqueue: events tegra_hdmi_hpd_worker [ 107.729739] task: ffffffc0f5228000 task.stack: ffffffc0f51d8000 [ 107.729741] PC is at var_to_display+0xd4/0xf0 [ 107.729743] LR is at var_to_display+0xb8/0xf0 [ 107.729745] pc : [] lr : [] pstate: 60400045 [ 107.729746] sp : ffffffc0f51db8c0 [ 107.729749] x29: ffffffc0f51db8c0 x28: ffffff8009e4bc48 [ 107.729752] x27: ffffff800a16f170 x26: ffffffc0f7de2000 [ 107.729755] x25: ffffff800a17ceb8 x24: ffffff800a16eef0 [ 107.729758] x23: ffffff8009ebb000 x22: ffffffc0f259f000 [ 107.729761] x21: ffffffc0f90c6000 x20: ffffffc0f90c6060 [ 107.729763] x19: ffffff800a16f170 x18: 0000000000000000 [ 107.729766] x17: 000000000007bd52 x16: 0000000000000000 [ 107.729769] x15: ffffffffffffffff x14: 0000000200000060 [ 107.729772] x13: 0000000a00000021 x12: 0000000000000000 [ 107.729774] x11: 00000002000000a0 x10: 000000000000000a [ 107.729777] x9 : 0000000000000021 x8 : 00000000000003e8 [ 107.729780] x7 : 0000000000000010 x6 : 0000000000000030 [ 107.729782] x5 : 0000000000000000 x4 : 0000000000000023 [ 107.729785] x3 : 0000000000000106 x2 : 000000000000041a [ 107.729788] x1 : 0000000000007b0c x0 : 0000000000000000 [ 107.729790] ---[ end trace 6e239386e265c348 ]--- [ 107.729790] Call trace: [ 107.729793] [] var_to_display+0xd4/0xf0 [ 107.729795] [] fbcon_event_notify+0x720/0xa10 [ 107.729798] [] notifier_call_chain+0x5c/0xa0 [ 107.729801] [] blocking_notifier_call_chain+0x64/0x88 [ 107.729803] [] fb_notifier_call_chain+0x30/0x40 [ 107.729806] [] fb_set_var+0x2fc/0x398 [ 107.729808] [] tegra_fbcon_set_fb_mode+0x70/0xa0 [ 107.729811] [] tegra_fb_update_monspecs+0x184/0x318 [ 107.729813] [] tegra_hdmi_hotplug_notify+0x70/0xd0 [ 107.729816] [] tegra_hdmi_edid_eld_setup+0x1b4/0x240 [ 107.729819] [] tegra_hdmi_hpd_worker+0x160/0x360 [ 107.729822] [] process_one_work+0x1e4/0x4b0 [ 107.729824] [] worker_thread+0x50/0x4c8 [ 107.729826] [] kthread+0xec/0xf0 [ 107.729829] [] ret_from_fork+0x10/0x40 [ 107.729852] ------------[ cut here ]------------ [ 107.729855] WARNING: CPU: 2 PID: 1728 at /dvs/git/dirty/git-master_linux/kernel/kernel-4.9/drivers/video/console/fbcon.c:892 var_to_display+0xd4/0xf0 [ 107.729881] Modules linked in: fuse xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xt_addrtype iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack br_netfilter zram bnep overlay btusb btrtl btbcm btintel iwlmvm mac80211 iwlwifi cfg80211 spidev nvgpu bluedroid_pm ip_tables x_tables [ 107.729884] CPU: 2 PID: 1728 Comm: kworker/2:2 Tainted: G W 4.9.140-tegra #1 [ 107.729885] Hardware name: NVIDIA Jetson Nano Developer Kit (DT) [ 107.729892] Workqueue: events tegra_hdmi_hpd_worker [ 107.729893] task: ffffffc0f5228000 task.stack: ffffffc0f51d8000 [ 107.729895] PC is at var_to_display+0xd4/0xf0 [ 107.729897] LR is at var_to_display+0xb8/0xf0 [ 107.729899] pc : [] lr : [] pstate: 60400045 [ 107.729900] sp : ffffffc0f51db8c0 [ 107.729903] x29: ffffffc0f51db8c0 x28: ffffff8009e4bc48 [ 107.729906] x27: ffffff800a16f1f0 x26: ffffffc0f7de2000 [ 107.729909] x25: ffffff800a17ceb8 x24: ffffff800a16eef0 [ 107.729912] x23: ffffff8009ebb000 x22: ffffffc0dba37400 [ 107.729915] x21: ffffffc0f90c6000 x20: ffffffc0f90c6060 [ 107.729917] x19: ffffff800a16f1f0 x18: 0000000000000000 [ 107.729920] x17: 0000000000000001 x16: 0000000000000000 [ 107.729923] x15: ffffffffffffffff x14: 0000000200000060 [ 107.729926] x13: 0000000a00000021 x12: 0000000000000000 [ 107.729928] x11: 00000002000000a0 x10: 000000000000000a [ 107.729931] x9 : 0000000000000021 x8 : 00000000000003e8 [ 107.729934] x7 : 0000000000000010 x6 : 0000000000000030 [ 107.729937] x5 : 0000000000000000 x4 : 0000000000000023 [ 107.729939] x3 : 0000000000000106 x2 : 000000000000041a [ 107.729942] x1 : 0000000000007b0c x0 : 0000000000000000 [ 107.729944] ---[ end trace 6e239386e265c349 ]--- [ 107.729945] Call trace: [ 107.729947] [] var_to_display+0xd4/0xf0 [ 107.729950] [] fbcon_event_notify+0x720/0xa10 [ 107.729953] [] notifier_call_chain+0x5c/0xa0 [ 107.729955] [] blocking_notifier_call_chain+0x64/0x88 [ 107.729958] [] fb_notifier_call_chain+0x30/0x40 [ 107.729961] [] fb_set_var+0x2fc/0x398 [ 107.729963] [] tegra_fbcon_set_fb_mode+0x70/0xa0 [ 107.729966] [] tegra_fb_update_monspecs+0x184/0x318 [ 107.729969] [] tegra_hdmi_hotplug_notify+0x70/0xd0 [ 107.729972] [] tegra_hdmi_edid_eld_setup+0x1b4/0x240 [ 107.729975] [] tegra_hdmi_hpd_worker+0x160/0x360 [ 107.729977] [] process_one_work+0x1e4/0x4b0 [ 107.729980] [] worker_thread+0x50/0x4c8 [ 107.729982] [] kthread+0xec/0xf0 [ 107.729984] [] ret_from_fork+0x10/0x40 [ 107.730007] tegradc tegradc.0: unblank [ 107.734918] tegradc tegradc.0: nominal-pclk:25200000 parent:25200000 div:1.0 pclk:25200000 24948000~27468000 [ 107.735189] tegradc tegradc.0: hdmi: tmds rate:25200K prod-setting:prod_c_hdmi_0m_54m [ 107.913930] extcon-disp-state extcon:disp-state: cable 51 state 1 [ 107.913933] Extcon HDMI: HPD enabled [ 107.914007] tegradc tegradc.0: hdmi: plugged [ 107.925579] tegradc tegradc.0: blank - powerdown [ 107.929731] tegradc tegradc.0: read_edid_into_buffer: extension_blocks = 0, max_ext_blocks = 3 [ 107.929734] tegradc tegradc.0: hdmi_recheck_edid: read_edid_into_buffer() returned 128 [ 107.929738] tegradc tegradc.0: old edid len = 128 [ 107.929747] tegradc tegradc.0: hdmi: No EDID change after HPD bounce, taking no action [ 107.986563] extcon-disp-state extcon:disp-state: cable 47 state 0 already set. [ 107.986565] Extcon AUX1(HDMI) disable [ 108.006993] tegradc tegradc.0: unblank [ 108.012995] tegradc tegradc.0: nominal-pclk:154128000 parent:154126875 div:1.0 pclk:154126875 152586720~167999520 [ 108.013082] tegradc tegradc.0: hdmi: tmds rate:154128K prod-setting:prod_c_hdmi_150m_300m [ 108.033233] tegradc tegradc.0: unblank [ 108.033240] tegradc tegradc.1: blank - powerdown [ 108.100987] tegradc tegradc.0: blank - powerdown [ 108.164404] extcon-disp-state extcon:disp-state: cable 47 state 0 already set. [ 108.164406] Extcon AUX1(HDMI) disable [ 108.184910] tegradc tegradc.1: blank - powerdown [ 108.212694] tegradc tegradc.0: blank - powerdown [ 108.212720] tegradc tegradc.0: unblank [ 108.217726] tegradc tegradc.0: nominal-pclk:39790080 parent:39789609 div:1.0 pclk:39789609 39392100~43371100 [ 108.217842] tegradc tegradc.0: hdmi: tmds rate:39790K prod-setting:prod_c_hdmi_0m_54m [ 108.239548] tegradc tegradc.0: unblank [ 108.239558] tegradc tegradc.1: blank - powerdown