Hi,
The following dump is seen while booting 4.4 Kernel Image. I am using the custom kernel image from RobertCNelson.
The 4.4 Image comes up even after the below errors in the log. Could I know what does the report mean and how to resolve it.
------4.4 Image Kernel Report
Jun 18 06:31:25 arm kernel: [ 9.166933] tda998x 0-0070: Falling back to first CRTC
Jun 18 06:31:25 arm kernel: [ 9.223453] dummy 0-0034: Error -121 writing to cec:0xff
Jun 18 06:31:25 arm kernel: [ 9.278206] tda998x 0-0070: set_page 000a err -121
Jun 18 06:31:25 arm kernel: [ 9.333795] tda998x 0-0070: set_page 000a err -121
Jun 18 06:31:25 arm kernel: [ 9.393787] tda998x 0-0070: set_page 0001 err -121
Jun 18 06:31:25 arm kernel: [ 9.418006] tda998x 0-0070: set_page 0001 err -121
Jun 18 06:31:25 arm kernel: [ 9.453757] tda998x 0-0070: set_page 0200 err -121
Jun 18 06:31:25 arm kernel: [ 9.490498] tda998x 0-0070: set_page 0201 err -121
Jun 18 06:31:25 arm kernel: [ 9.517843] tda998x 0-0070: set_page 0202 err -121
Jun 18 06:31:25 arm kernel: [ 9.547211] tda998x 0-0070: set_page 0203 err -121
Jun 18 06:31:25 arm kernel: [ 9.572976] tda998x 0-0070: set_page 0204 err -121
Jun 18 06:31:25 arm kernel: [ 9.598129] tda998x 0-0070: set_page 0205 err -121
Jun 18 06:31:25 arm kernel: [ 9.622382] tda998x 0-0070: set_page 020e err -121
Jun 18 06:31:25 arm kernel: [ 9.645786] tda998x 0-0070: set_page 0211 err -121
Jun 18 06:31:25 arm kernel: [ 9.669683] tda998x 0-0070: set_page 0207 err -121
Jun 18 06:31:25 arm kernel: [ 9.696707] tda998x 0-0070: set_page 0208 err -121
Jun 18 06:31:25 arm kernel: [ 9.719099] tda998x 0-0070: set_page 0209 err -121
Jun 18 06:31:25 arm kernel: [ 9.724804] tda998x 0-0070: set_page 020a err -121
Jun 18 06:31:25 arm kernel: [ 9.729681] tda998x 0-0070: set_page 0206 err -121
Jun 18 06:31:25 arm kernel: [ 9.736619] tda998x 0-0070: set_page 0027 err -121
Jun 18 06:31:25 arm kernel: [ 9.741492] tda998x 0-0070: set_page 0000 err -121
Jun 18 06:31:25 arm kernel: [ 9.747543] tda998x 0-0070: set_page 0002 err -121
Jun 18 06:31:25 arm kernel: [ 9.754699] tilcdc 4830e000.lcdc: failed to bind 0-0070 (ops tda998x_ops [tda998x]): -6
Jun 18 06:31:25 arm kernel: [ 9.762793] ------------[ cut here ]------------
Jun 18 06:31:25 arm kernel: [ 9.767511] WARNING: CPU: 0 PID: 146 at drivers/base/component.c:356 component_unbind+0x41/0x44()
Jun 18 06:31:25 arm kernel: [ 9.776434] Modules linked in: omap_aes(+) omap_sham(+) omap_rng(+) rng_core tilcdc(+) snd_soc_davinci_mcasp snd_soc_edma snd_soc_omap snd_soc_core snd_pcm_dmaengine snd_pcm evdev tda998x snd_timer snd soundcore spi_omap2_mcspi uio_pdrv_genirq leds_gpio uio
Jun 18 06:31:25 arm kernel: [ 9.799450] CPU: 0 PID: 146 Comm: systemd-udevd Not tainted 4.4.11-bone10.1 #1
Jun 18 06:31:25 arm kernel: [ 9.806717] Hardware name: Generic AM33XX (Flattened Device Tree)
Jun 18 06:31:25 arm kernel: [ 9.812874] [] (unwind_backtrace) from [] (show_stack+0x11/0x14)
Jun 18 06:31:25 arm kernel: [ 9.820677] [] (show_stack) from [] (warn_slowpath_common+0x69/0x8c)
Jun 18 06:31:25 arm kernel: [ 9.828819] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x17/0x1c)
Jun 18 06:31:25 arm kernel: [ 9.837656] [] (warn_slowpath_null) from [] (component_unbind+0x41/0x44)
Jun 18 06:31:25 arm kernel: [ 9.846145] [] (component_unbind) from [] (component_unbind_all+0x45/0x68)
Jun 18 06:31:25 arm kernel: [ 9.854867] [] (component_unbind_all) from [] (tilcdc_load+0x368/0x4b4 [tilcdc])
Jun 18 06:31:25 arm kernel: [ 9.864104] [] (tilcdc_load [tilcdc]) from [] (drm_dev_register+0x75/0x7c)
Jun 18 06:31:25 arm kernel: [ 9.872761] [] (drm_dev_register) from [] (drm_platform_init+0x35/0xa8)
Jun 18 06:31:25 arm kernel: [ 9.881189] [] (drm_platform_init) from [] (tilcdc_bind+0x18/0x1c [tilcdc])
Jun 18 06:31:25 arm kernel: [ 9.889962] [] (tilcdc_bind [tilcdc]) from [] (try_to_bring_up_master.part.0+0x77/0xa4)
Jun 18 06:31:25 arm kernel: [ 9.899762] [] (try_to_bring_up_master.part.0) from [] (component_master_add_with_match+0x7f/0xc0)
Jun 18 06:31:25 arm kernel: [ 9.910536] [] (component_master_add_with_match) from [] (tilcdc_pdev_probe+0x3e/0x78 [tilcdc])
Jun 18 06:31:25 arm kernel: [ 9.921053] [] (tilcdc_pdev_probe [tilcdc]) from [] (platform_drv_probe+0x37/0x78)
Jun 18 06:31:25 arm kernel: [ 9.930417] [] (platform_drv_probe) from [] (driver_probe_device+0x189/0x334)
Jun 18 06:31:25 arm kernel: [ 9.939342] [] (driver_probe_device) from [] (__driver_attach+0x51/0x54)
Jun 18 06:31:25 arm kernel: [ 9.947836] [] (__driver_attach) from [] (bus_for_each_dev+0x4b/0x74)
Jun 18 06:31:25 arm kernel: [ 9.956061] [] (bus_for_each_dev) from [] (bus_add_driver+0x14b/0x1bc)
Jun 18 06:31:25 arm kernel: [ 9.964372] [] (bus_add_driver) from [] (driver_register+0x39/0x8c)
Jun 18 06:31:25 arm kernel: [ 9.972430] [] (driver_register) from [] (tilcdc_drm_init+0x34/0x3f [tilcdc])
Jun 18 06:31:25 arm kernel: [ 9.981376] [] (tilcdc_drm_init [tilcdc]) from [] (do_one_initcall+0x9b/0x198)
Jun 18 06:31:25 arm kernel: [ 9.990399] [] (do_one_initcall) from [] (do_init_module+0x4d/0x308)
Jun 18 06:31:25 arm kernel: [ 9.998549] [] (do_init_module) from [] (load_module+0x1621/0x1a04)
Jun 18 06:31:25 arm kernel: [ 10.006603] [] (load_module) from [] (SyS_finit_module+0x77/0x9c)
Jun 18 06:31:25 arm kernel: [ 10.014484] [] (SyS_finit_module) from [] (ret_fast_syscall+0x1/0x52)
Jun 18 06:31:25 arm kernel: [ 10.022694] —[ end trace 849954efae3a5747 ]—
Jun 18 06:31:25 arm kernel: [ 10.033386] Unable to handle kernel NULL pointer dereference at virtual address 00000000
Jun 18 06:31:25 arm kernel: [ 10.041579] pgd = ddec0000
Jun 18 06:31:25 arm kernel: [ 10.044306] [00000000] *pgd=9de8e831, *pte=00000000, *ppte=00000000
Jun 18 06:31:25 arm kernel: [ 10.050620] Internal error: Oops: 17 [#1] THUMB2
Jun 18 06:31:25 arm kernel: [ 10.055255] Modules linked in: omap_aes(+) omap_sham(+) omap_rng(+) rng_core tilcdc(+) snd_soc_davinci_mcasp snd_soc_edma snd_soc_omap snd_soc_core snd_pcm_dmaengine snd_pcm evdev tda998x snd_timer snd soundcore spi_omap2_mcspi uio_pdrv_genirq leds_gpio uio
Jun 18 06:31:25 arm kernel: [ 10.078237] CPU: 0 PID: 146 Comm: systemd-udevd Tainted: G W 4.4.11-bone10.1 #1
Jun 18 06:31:25 arm kernel: [ 10.086705] Hardware name: Generic AM33XX (Flattened Device Tree)
Jun 18 06:31:25 arm kernel: [ 10.092822] task: ddcb8d00 ti: ddeb4000 task.ti: ddeb4000
Jun 18 06:31:25 arm kernel: [ 10.098255] PC is at drm_connector_cleanup+0x28/0x100
Jun 18 06:31:25 arm kernel: [ 10.103335] LR is at tda998x_unbind+0x12/0x24 [tda998x]
Jun 18 06:31:25 arm kernel: [ 10.108580] pc : [] lr : [] psr: 000f0033
Jun 18 06:31:25 arm kernel: [ 10.108580] sp : ddeb5bf8 ip : 00000000 fp : dddaa94c
Jun 18 06:31:25 arm kernel: [ 10.120104] r10: dd9b1000 r9 : bf8dd0e4 r8 : dde30114
Jun 18 06:31:25 arm kernel: [ 10.125347] r7 : 00000000 r6 : 00000000 r5 : dde300d8 r4 : dde30010
Jun 18 06:31:25 arm kernel: [ 10.131898] r3 : bf851331 r2 : dde94000 r1 : 00000000 r0 : dde300d8
Jun 18 06:31:25 arm kernel: [ 10.138451] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment none
Jun 18 06:31:25 arm kernel: [ 10.145788] Control: 50c5387d Table: 9dec0019 DAC: 00000051
Jun 18 06:31:25 arm kernel: [ 10.151555] Process systemd-udevd (pid: 146, stack limit = 0xddeb4210)
Jun 18 06:31:25 arm kernel: [ 10.158107] Stack: (0xddeb5bf8 to 0xddeb6000)
Jun 18 06:31:25 arm kernel: [ 10.162481] 5be0: dde30010 ddf90f00
Jun 18 06:31:25 arm kernel: [ 10.170696] 5c00: dde94000 fffffffa c0c40e30 bf851343 ddf53880 c0416ca5 fffffffa dde94000
Jun 18 06:31:25 arm kernel: [ 10.178910] 5c20: bf8dd0e4 ddf90f00 ddf53880 c0416d11 dddaa900 dde94000 c0aaf04c bf8db2d1
Jun 18 06:31:25 arm kernel: [ 10.187124] 5c40: 00000000 285038b4 fff00010 dddaa900 c0c40e10 bf8dcfbc 00000000 285038b4
Jun 18 06:31:25 arm kernel: [ 10.195338] 5c60: 00000014 dde94000 00000000 00000000 bf8dcfbc 00000000 00000014 22034d5c
Jun 18 06:31:25 arm kernel: [ 10.203552] 5c80: 000009d8 c0404271 c0c40e30 dd9b1000 dde94000 c0405489 00000000 dd9b1010
Jun 18 06:31:25 arm kernel: [ 10.211766] 5ca0: ddfcbf50 00000000 ddf90ec0 ddfcbf58 00000001 ddf90f00 ddfcbf50 bf8dad69
Jun 18 06:31:25 arm kernel: [ 10.219979] 5cc0: bf8dad51 c0416f9b 00000000 ddf90f00 c0b335a8 bf8db9b4 dd9b1010 c0417047
Jun 18 06:31:25 arm kernel: [ 10.228193] 5ce0: c0aaf04c dd9b1000 dd9b1010 fffffdfb bf8dd100 bf8db4b3 ddea3c50 285038b4
Jun 18 06:31:25 arm kernel: [ 10.236407] 5d00: dd9b1010 dd9b1010 bf8dd100 c041bfaf c041bf79 dd9b1010 c0c40ec8 c0b7b000
Jun 18 06:31:25 arm kernel: [ 10.244621] 5d20: 00000000 c041aac5 c041ac71 c0aaf04c c0b7af28 dd9b1010 bf8dd100 dd9b1044
Jun 18 06:31:25 arm kernel: [ 10.252835] 5d40: c0aaf04c c0b7af28 00000000 c041acc1 00000000 bf8dd100 c041ac71 c041932b
Jun 18 06:31:25 arm kernel: [ 10.261049] 5d60: ddeb5d88 dd88e50c dd9b5fb0 285038b4 c0b33898 bf8dd100 ddf80b00 c0b33898
Jun 18 06:31:25 arm kernel: [ 10.269263] 5d80: 00000000 c041a1d3 bf8dc234 bf8e1031 bf8dd100 c0aaf04c c0ab2f20 ddfcb200
Jun 18 06:31:25 arm kernel: [ 10.277477] 5da0: bf8e1031 c041b261 00000000 c0ab2f20 c0aaf04c bf8e1065 00000000 c000954b
Jun 18 06:31:25 arm kernel: [ 10.285690] 5dc0: 00000000 c0c55efc dde38580 c00ceb01 ffffffff 00000000 00000001 ddc3f464
Jun 18 06:31:25 arm kernel: [ 10.293904] 5de0: ddeb5e00 c0aaf04c 00080000 00000000 de7a4040 de36d000 c0aaf04c 00022772
Jun 18 06:31:25 arm kernel: [ 10.302117] 5e00: 00000000 c00fc825 024000c0 c00fc825 00000001 285038b4 00000001 bf8dd300
Jun 18 06:31:25 arm kernel: [ 10.310331] 5e20: 00000001 dda92300 bf8dd300 00000001 ddfcb2c8 22034d5c 000009d8 c00ca85d
Jun 18 06:31:25 arm kernel: [ 10.318545] 5e40: 10000000 ddeb5f48 ddeb5f48 00000001 ddfcb2c0 c0078715 bf8dd30c 00007fff
Jun 18 06:31:25 arm kernel: [ 10.326758] 5e60: bf8dd300 c0076bd9 00f1e2c0 c0aaf04c bf8dd348 ddfcb2c0 bf8dd304 00000000
Jun 18 06:31:25 arm kernel: [ 10.334973] 5e80: bf8dd4dc bf8dd30c 00000000 c0b78a20 c0677f60 c08e3dd8 0002ca38 c09c5a58
Jun 18 06:31:25 arm kernel: [ 10.343186] 5ea0: c0aaf04c 285038b4 dde857c0 00000000 bf8db620 00000002 00000000 00000000
Jun 18 06:31:25 arm kernel: [ 10.351400] 5ec0: 00000000 00000000 00000000 00000000 00000000 00000000 6e72656b 00006c65
Jun 18 06:31:25 arm kernel: [ 10.359612] 5ee0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
Jun 18 06:31:25 arm kernel: [ 10.367825] 5f00: 00000000 00000000 00000000 00000000 00000000 285038b4 ddcb8d00 c0aaf04c
Jun 18 06:31:25 arm kernel: [ 10.376038] 5f20: 00000000 00000007 b6d999f8 c000eb64 ddeb4000 00000000 00f1e2c0 c0078cbf
Jun 18 06:31:25 arm kernel: [ 10.384252] 5f40: 00000000 c0aaf04c e0c9a000 0002ca38 e0cc6060 e0cbbb6d e0cbe038 00004508
Jun 18 06:31:25 arm kernel: [ 10.392466] 5f60: 00005988 bf8dd2d0 00000002 00000000 00003b20 0000003d 0000003e 00000021
Jun 18 06:31:25 arm kernel: [ 10.400680] 5f80: 00000025 0000001b 00000000 285038b4 00000000 00000000 beabe004 00000000
Jun 18 06:31:25 arm kernel: [ 10.408894] 5fa0: 0000017b c000e9a1 00000000 beabe004 00000007 b6d999f8 00000000 00000000
Jun 18 06:31:25 arm kernel: [ 10.417107] 5fc0: 00000000 beabe004 00000000 0000017b 00020000 00037f78 00050048 00f1e2c0
Jun 18 06:31:25 arm kernel: [ 10.425321] 5fe0: beabdee0 beabded0 b6d93c4b b6e9eb42 800f0030 00000007 02000000 00000008
Jun 18 06:31:25 arm kernel: [ 10.433547] [] (drm_connector_cleanup) from [] (tda998x_unbind+0x12/0x24 [tda998x])
Jun 18 06:31:25 arm kernel: [ 10.442999] [] (tda998x_unbind [tda998x]) from [] (component_unbind+0x1d/0x44)
Jun 18 06:31:25 arm kernel: [ 10.452000] [] (component_unbind) from [] (component_unbind_all+0x45/0x68)
Jun 18 06:31:25 arm kernel: [ 10.460690] [] (component_unbind_all) from [] (tilcdc_load+0x368/0x4b4 [tilcdc])
Jun 18 06:31:25 arm kernel: [ 10.469886] [] (tilcdc_load [tilcdc]) from [] (drm_dev_register+0x75/0x7c)
Jun 18 06:31:25 arm kernel: [ 10.478541] [] (drm_dev_register) from [] (drm_platform_init+0x35/0xa8)
Jun 18 06:31:25 arm kernel: [ 10.486946] [] (drm_platform_init) from [] (tilcdc_bind+0x18/0x1c [tilcdc])
Jun 18 06:31:25 arm kernel: [ 10.495701] [] (tilcdc_bind [tilcdc]) from [] (try_to_bring_up_master.part.0+0x77/0xa4)
Jun 18 06:31:25 arm kernel: [ 10.505487] [] (try_to_bring_up_master.part.0) from [] (component_master_add_with_match+0x7f/0xc0)
Jun 18 06:31:25 arm kernel: [ 10.516246] [] (component_master_add_with_match) from [] (tilcdc_pdev_probe+0x3e/0x78 [tilcdc])
Jun 18 06:31:25 arm kernel: [ 10.526747] [] (tilcdc_pdev_probe [tilcdc]) from [] (platform_drv_probe+0x37/0x78)
Jun 18 06:31:25 arm kernel: [ 10.536097] [] (platform_drv_probe) from [] (driver_probe_device+0x189/0x334)
Jun 18 06:31:25 arm kernel: [ 10.545007] [] (driver_probe_device) from [] (__driver_attach+0x51/0x54)
Jun 18 06:31:25 arm kernel: [ 10.553482] [] (__driver_attach) from [] (bus_for_each_dev+0x4b/0x74)
Jun 18 06:31:25 arm kernel: [ 10.561695] [] (bus_for_each_dev) from [] (bus_add_driver+0x14b/0x1bc)
Jun 18 06:31:25 arm kernel: [ 10.569996] [] (bus_add_driver) from [] (driver_register+0x39/0x8c)
Jun 18 06:31:25 arm kernel: [ 10.578052] [] (driver_register) from [] (tilcdc_drm_init+0x34/0x3f [tilcdc])
Jun 18 06:31:25 arm kernel: [ 10.586982] [] (tilcdc_drm_init [tilcdc]) from [] (do_one_initcall+0x9b/0x198)
Jun 18 06:31:25 arm kernel: [ 10.595992] [] (do_one_initcall) from [] (do_init_module+0x4d/0x308)
Jun 18 06:31:25 arm kernel: [ 10.604126] [] (do_init_module) from [] (load_module+0x1621/0x1a04)
Jun 18 06:31:25 arm kernel: [ 10.612167] [] (load_module) from [] (SyS_finit_module+0x77/0x9c)
Jun 18 06:31:25 arm kernel: [ 10.620036] [] (SyS_finit_module) from [] (ret_fast_syscall+0x1/0x52)
Jun 18 06:31:25 arm kernel: [ 10.628251] Code: 46a8 f858 6f3c 4546 (6834) 4630
Jun 18 06:31:25 arm kernel: [ 10.633117] —[ end trace 849954efae3a5748 ]—
Jun 18 06:31:26 arm kernel: [ 193.614947] rtl8192cu 1-1:1.0 wlan0: disabling HT/VHT due to WEP/TKIP use