Here's the death when using letux_defconfig unmodified:
[ 10.067610] driver_register 'omapdss_hdmi5' [ 10.100444] 58000000.dss supply vdda_video not found, using dummy regulator [ 10.117007] OMAP DSS rev 6.1 [ 10.128299] omapdss_dss 58000000.dss: bound 58001000.dispc (ops dispc_component_ops [omapdss]) [ 10.150690] omapdss_dss 58000000.dss: bound 58040000.encoder (ops hdmi5_component_ops [omapdss]) [ 10.211205] driver_register 'connector-hdmi' [ 10.236602] OF: ERROR: Bad of_node_put() on /encoder/ports/port@1/endpoint [ 10.259687] CPU: 0 PID: 1527 Comm: systemd-udevd Not tainted 4.8.0-rc1-letux-custom #16 [ 10.268050] Hardware name: Generic OMAP5 (Flattened Device Tree) [ 10.274343] [<c010edf0>] (unwind_backtrace) from [<c010b418>] (show_stack+0x10/0x14) [ 10.282426] [<c010b418>] (show_stack) from [<c03ed820>] (dump_stack+0x90/0xc4) [ 10.289979] [<c03ed820>] (dump_stack) from [<c03ef8cc>] (kobject_put+0xb0/0xd8) [ 10.297680] [<c03ef8cc>] (kobject_put) from [<bf0ca59c>] (omapdss_of_find_source_for_first_ep+0x44/0x7c [omapdss]) [ 10.308547] [<bf0ca59c>] (omapdss_of_find_source_for_first_ep [omapdss]) from [<bf153250>] (hdmic_probe+0x68/0x1e4 [connector_hdmi]) [ 10.320993] [<bf153250>] (hdmic_probe [connector_hdmi]) from [<c0483650>] (platform_drv_probe+0x50/0x9c) [ 10.330894] [<c0483650>] (platform_drv_probe) from [<c048182c>] (driver_probe_device+0x1d0/0x298) [ 10.340159] [<c048182c>] (driver_probe_device) from [<c0481978>] (__driver_attach+0x84/0xb0) [ 10.348969] [<c0481978>] (__driver_attach) from [<c047ffd4>] (bus_for_each_dev+0x7c/0x8c) [ 10.357516] [<c047ffd4>] (bus_for_each_dev) from [<c0480ef4>] (bus_add_driver+0x170/0x1e0) [ 10.366156] [<c0480ef4>] (bus_add_driver) from [<c04828b4>] (driver_register+0xb0/0xf4) [ 10.374509] [<c04828b4>] (driver_register) from [<c01019a4>] (do_one_initcall+0x12c/0x154) [ 10.383134] [<c01019a4>] (do_one_initcall) from [<c0201d1c>] (do_init_module+0x58/0x39c) [ 10.391578] [<c0201d1c>] (do_init_module) from [<c01bdce4>] (load_module+0x189c/0x1ef0) [ 10.399932] [<c01bdce4>] (load_module) from [<c01be504>] (SyS_finit_module+0x88/0x90) [ 10.408105] [<c01be504>] (SyS_finit_module) from [<c0106e20>] (ret_fast_syscall+0x0/0x1c) [ 10.421264] driver_register 'tpd12s015' [ 10.451409] connector-hdmi connector: failed to find video source [ 10.466009] OF: ERROR: Bad of_node_put() on /ocp/dss@58000000/encoder@58060000/port/endpoint [ 10.475583] CPU: 0 PID: 1534 Comm: systemd-udevd Not tainted 4.8.0-rc1-letux-custom #16 [ 10.483941] Hardware name: Generic OMAP5 (Flattened Device Tree) [ 10.490216] [<c010edf0>] (unwind_backtrace) from [<c010b418>] (show_stack+0x10/0x14) [ 10.498312] [<c010b418>] (show_stack) from [<c03ed820>] (dump_stack+0x90/0xc4) [ 10.505854] [<c03ed820>] (dump_stack) from [<c03ef8cc>] (kobject_put+0xb0/0xd8) [ 10.513562] [<c03ef8cc>] (kobject_put) from [<bf0ca59c>] (omapdss_of_find_source_for_first_ep+0x44/0x7c [omapdss]) [ 10.524451] [<bf0ca59c>] (omapdss_of_find_source_for_first_ep [omapdss]) from [<bf157268>] (tpd_probe+0x40/0x134 [encoder_tpd12s015]) [ 10.536998] [<bf157268>] (tpd_probe [encoder_tpd12s015]) from [<c0483650>] (platform_drv_probe+0x50/0x9c) [ 10.546987] [<c0483650>] (platform_drv_probe) from [<c048182c>] (driver_probe_device+0x1d0/0x298) [ 10.556247] [<c048182c>] (driver_probe_device) from [<c0481978>] (__driver_attach+0x84/0xb0) [ 10.565068] [<c0481978>] (__driver_attach) from [<c047ffd4>] (bus_for_each_dev+0x7c/0x8c) [ 10.573613] [<c047ffd4>] (bus_for_each_dev) from [<c0480ef4>] (bus_add_driver+0x170/0x1e0) [ 10.582244] [<c0480ef4>] (bus_add_driver) from [<c04828b4>] (driver_register+0xb0/0xf4) [ 10.590597] [<c04828b4>] (driver_register) from [<c01019a4>] (do_one_initcall+0x12c/0x154) [ 10.599232] [<c01019a4>] (do_one_initcall) from [<c0201d1c>] (do_init_module+0x58/0x39c) [ 10.607686] [<c0201d1c>] (do_init_module) from [<c01bdce4>] (load_module+0x189c/0x1ef0) [ 10.616044] [<c01bdce4>] (load_module) from [<c01be504>] (SyS_finit_module+0x88/0x90) [ 10.624208] [<c01be504>] (SyS_finit_module) from [<c0106e20>] (ret_fast_syscall+0x0/0x1c) [ 10.649520] driver_register 'twl6040-gpo' [ 10.660523] ------------[ cut here ]------------ [ 10.665353] WARNING: CPU: 1 PID: 34 at ./include/linux/kref.h:46 kobject_get+0x80/0x9c [ 10.673607] Modules linked in: gpio_twl6040 encoder_tpd12s015(+) connector_hdmi omapdss snd_soc_omap_mcpdm snd_soc_omap_mcbsp snd_soc_omap snd_pcm_dmaengine ipv6 autofs4 [ 10.689459] CPU: 1 PID: 34 Comm: kworker/u4:2 Not tainted 4.8.0-rc1-letux-custom #16 [ 10.697534] Hardware name: Generic OMAP5 (Flattened Device Tree) [ 10.703798] Workqueue: deferwq deferred_probe_work_func [ 10.709259] [<c010edf0>] (unwind_backtrace) from [<c010b418>] (show_stack+0x10/0x14) [ 10.717342] [<c010b418>] (show_stack) from [<c03ed820>] (dump_stack+0x90/0xc4) [ 10.724880] [<c03ed820>] (dump_stack) from [<c012f2fc>] (__warn+0xdc/0xfc) [ 10.732055] [<c012f2fc>] (__warn) from [<c012f3c0>] (warn_slowpath_null+0x1c/0x24) [ 10.739954] [<c012f3c0>] (warn_slowpath_null) from [<c03efacc>] (kobject_get+0x80/0x9c) [ 10.748307] [<c03efacc>] (kobject_get) from [<c05b2b4c>] (of_node_get+0x14/0x1c) [ 10.756026] [<c05b2b4c>] (of_node_get) from [<c05b0f04>] (of_find_node_by_phandle+0x30/0x64) [ 10.764839] [<c05b0f04>] (of_find_node_by_phandle) from [<c05b1330>] (of_phandle_iterator_next+0x60/0x13c) [ 10.774908] [<c05b1330>] (of_phandle_iterator_next) from [<c05b1500>] (__of_parse_phandle_with_args+0x34/0xbc) [ 10.785343] [<c05b1500>] (__of_parse_phandle_with_args) from [<c05b15b4>] (of_parse_phandle+0x2c/0x40) [ 10.795115] [<c05b15b4>] (of_parse_phandle) from [<bf0ca574>] (omapdss_of_find_source_for_first_ep+0x1c/0x7c [omapdss]) [ 10.806448] [<bf0ca574>] (omapdss_of_find_source_for_first_ep [omapdss]) from [<bf153250>] (hdmic_probe+0x68/0x1e4 [connector_hdmi]) [ 10.818881] [<bf153250>] (hdmic_probe [connector_hdmi]) from [<c0483650>] (platform_drv_probe+0x50/0x9c) [ 10.828774] [<c0483650>] (platform_drv_probe) from [<c048182c>] (driver_probe_device+0x1d0/0x298) [ 10.838033] [<c048182c>] (driver_probe_device) from [<c048007c>] (bus_for_each_drv+0x84/0x8c) [ 10.846935] [<c048007c>] (bus_for_each_drv) from [<c04815d0>] (__device_attach+0x9c/0x104) [ 10.855560] [<c04815d0>] (__device_attach) from [<c0480c3c>] (bus_probe_device+0x28/0x84) [ 10.864092] [<c0480c3c>] (bus_probe_device) from [<c04810b0>] (deferred_probe_work_func+0x70/0x8c) [ 10.873448] [<c04810b0>] (deferred_probe_work_func) from [<c014ac0c>] (process_one_work+0x39c/0x764) [ 10.882979] [<c014ac0c>] (process_one_work) from [<c014bf84>] (worker_thread+0x28c/0x3cc) [ 10.891507] [<c014bf84>] (worker_thread) from [<c0150d94>] (kthread+0xd8/0xe8) [ 10.899045] [<c0150d94>] (kthread) from [<c0106eb0>] (ret_from_fork+0x14/0x24) [ 10.906576] ---[ end trace 9ddd2f80186606ae ]--- [ 10.924295] driver_register 'omap-dwc3' [ 10.950889] OF: ERROR: Bad of_node_put() on /encoder/ports/port@1/endpoint [ 10.961391] CPU: 0 PID: 34 Comm: kworker/u4:2 Tainted: G W 4.8.0-rc1-letux-custom #16 [ 10.970734] Hardware name: Generic OMAP5 (Flattened Device Tree) [ 10.977013] Workqueue: deferwq deferred_probe_work_func [ 10.982473] [<c010edf0>] (unwind_backtrace) from [<c010b418>] (show_stack+0x10/0x14) [ 10.990558] [<c010b418>] (show_stack) from [<c03ed820>] (dump_stack+0x90/0xc4) [ 10.998094] [<c03ed820>] (dump_stack) from [<c03ef8cc>] (kobject_put+0xb0/0xd8) [ 11.005725] [<c03ef8cc>] (kobject_put) from [<c05afe04>] (of_get_next_parent+0x2c/0x48) [ 11.014137] [<c05afe04>] (of_get_next_parent) from [<bf0ca590>] (omapdss_of_find_source_for_first_ep+0x38/0x7c [omapdss]) [ 11.025618] [<bf0ca590>] (omapdss_of_find_source_for_first_ep [omapdss]) from [<bf153250>] (hdmic_probe+0x68/0x1e4 [connector_hdmi]) [ 11.038052] [<bf153250>] (hdmic_probe [connector_hdmi]) from [<c0483650>] (platform_drv_probe+0x50/0x9c) [ 11.047944] [<c0483650>] (platform_drv_probe) from [<c048182c>] (driver_probe_device+0x1d0/0x298) [ 11.057203] [<c048182c>] (driver_probe_device) from [<c048007c>] (bus_for_each_drv+0x84/0x8c) [ 11.066099] [<c048007c>] (bus_for_each_drv) from [<c04815d0>] (__device_attach+0x9c/0x104) [ 11.074718] [<c04815d0>] (__device_attach) from [<c0480c3c>] (bus_probe_device+0x28/0x84) [ 11.083249] [<c0480c3c>] (bus_probe_device) from [<c04810b0>] (deferred_probe_work_func+0x70/0x8c) [ 11.092600] [<c04810b0>] (deferred_probe_work_func) from [<c014ac0c>] (process_one_work+0x39c/0x764) [ 11.102128] [<c014ac0c>] (process_one_work) from [<c014bf84>] (worker_thread+0x28c/0x3cc) [ 11.110659] [<c014bf84>] (worker_thread) from [<c0150d94>] (kthread+0xd8/0xe8) [ 11.118199] [<c0150d94>] (kthread) from [<c0106eb0>] (ret_from_fork+0x14/0x24) [ 11.144787] Unable to handle kernel paging request at virtual address 38343a61 [ 11.152362] pgd = c0004000 [ 11.155229] [38343a61] *pgd=00000000 [ 11.158958] Internal error: Oops: 5 [#1] PREEMPT SMP ARM [ 11.164498] Modules linked in: dwc3_omap gpio_twl6040 encoder_tpd12s015 connector_hdmi omapdss snd_soc_omap_mcpdm snd_soc_omap_mcbsp snd_soc_omap snd_pcm_dmaengine ipv6 autofs4 [ 11.180989] CPU: 0 PID: 74 Comm: kworker/0:1 Tainted: G W 4.8.0-rc1-letux-custom #16 [ 11.190251] Hardware name: Generic OMAP5 (Flattened Device Tree) [ 11.196520] Workqueue: events free_work [ 11.200526] task: ed9d82c0 task.stack: edacc000 [ 11.205253] PC is at find_vmap_area+0x24/0x64 [ 11.209796] LR is at find_vmap_area+0x10/0x64 [ 11.214339] pc : [<c023c394>] lr : [<c023c380>] psr: 20080113 [ 11.214339] sp : edacde80 ip : 7803328f fp : 00000001 [ 11.226314] r10: eefb1800 r9 : edacded0 r8 : c0b9c5ff [ 11.231764] r7 : c0b9d1a0 r6 : 00000001 r5 : eefaa0b0 r4 : bf162000 [ 11.238572] r3 : 00000001 r2 : 00000000 r1 : 02a502a4 r0 : 38343a6d [ 11.245375] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 11.252812] Control: 10c5387d Table: ac94806a DAC: 00000051 [ 11.258800] Process kworker/0:1 (pid: 74, stack limit = 0xedacc218) [ 11.265334] Stack: (0xedacde80 to 0xedace000) [ 11.269878] de80: bf162000 c023e5ac bf162000 eefaa0b0 00000001 c023e69c 00000000 eefaa0b0 [ 11.278412] dea0: eefab880 c023e708 eda43c80 c014ac0c 00000001 00000000 c014aa18 c06d6d04 [ 11.286942] dec0: eefabe80 00000000 00000000 eefab880 c135b2b0 c0cf3ccc 00000000 c08a318e [ 11.295474] dee0: 00000008 eda43c80 eefab880 eefab880 edacc000 eefab8b4 c0b02100 eda43c98 [ 11.304012] df00: 00000008 c014bf84 ed9d82c0 eda3bf00 00000000 eda43c80 c014bcf8 00000000 [ 11.312548] df20: 00000000 00000000 00000000 c0150d94 c06dbe28 00000000 c015c27c eda43c80 [ 11.321097] df40: 00000000 00000000 dead4ead ffffffff ffffffff c0ba175c 00000000 00000000 [ 11.329635] df60: c089178d edacdf64 edacdf64 00000000 00000000 dead4ead ffffffff ffffffff [ 11.338173] df80: c0ba175c 00000000 00000000 c089178d edacdf90 edacdf90 eda3bf00 eda3bf00 [ 11.346710] dfa0: c0150cbc 00000000 00000000 c0106eb0 00000000 00000000 00000000 00000000 [ 11.355244] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 11.363782] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 [ 11.372321] [<c023c394>] (find_vmap_area) from [<c023e5ac>] (remove_vm_area+0x8/0x5c) [ 11.380506] [<c023e5ac>] (remove_vm_area) from [<c023e69c>] (__vunmap+0x9c/0xc8) [ 11.388227] [<c023e69c>] (__vunmap) from [<c023e708>] (free_work+0x40/0x50) [ 11.395500] [<c023e708>] (free_work) from [<c014ac0c>] (process_one_work+0x39c/0x764) [ 11.403675] [<c014ac0c>] (process_one_work) from [<c014bf84>] (worker_thread+0x28c/0x3cc) [ 11.412218] [<c014bf84>] (worker_thread) from [<c0150d94>] (kthread+0xd8/0xe8) [ 11.419760] [<c0150d94>] (kthread) from [<c0106eb0>] (ret_from_fork+0x14/0x24) [ 11.427301] Code: e5930000 e3500000 01a04000 0a000007 (e510300c) [ 11.433726] ---[ end trace 9ddd2f80186606af ]---