Hello,
I am using Yocto scarthgap with BBB Rev.D
I am facing to errors at boot and I am wondering if anyone else have the
same issue and/or can tell me how to solve it.
Is the Rev.D properly supported by meta-ti or is a testing revision?
Retrieving file: /extlinux/extlinux.conf
1: Poky (Yocto Project Reference Distro)
Retrieving file: /extlinux/../zImage
append: root=/dev/mmcblk0p2 rootwait rw earlycon
console=ttyO0,115200n8,115200
Retrieving file: /extlinux/../am335x-boneblack-revd.dtb
Starting kernel ...
[ 0.000000] Linux version 6.12.34-ti (oe-user@oe-host)
(arm-poky-linux-gnueabi-gcc (GCC) 13.4.0, GNU ld (GNU Binutils)
2.42.0.20240723) #1 SMP PREEMPT Thu Jul 17 16:44:09 UTC 2025
...
[ 0.409281]
/ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/bridge-hdmi@4c:
Fixed dependency cycle(s) with
/ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0
[ 0.428478]
/ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0:
Fixed dependency cycle(s) with
/ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/bridge-hdmi@4c
[ 0.448223]
/ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/bridge-hdmi@4c:
Fixed dependency cycle(s) with /connector-hdmi
[ 0.461485] /connector-hdmi: Fixed dependency cycle(s) with
/ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/bridge-hdmi@4c
...
[ 3.412613]
/ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/bridge-hdmi@4c:
Fixed dependency cycle(s) with
/ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0
[ 3.435931] remoteproc remoteproc0: wkup_m3 is available
[ 3.446099]
/ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/bridge-hdmi@4c:
Fixed dependency cycle(s) with
/ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0
[ 3.476974]
/ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/bridge-hdmi@4c:
Fixed dependency cycle(s) with
/ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0
[ 3.496475]
/ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/bridge-hdmi@4c:
Fixed dependency cycle(s) with
/ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0
[ 3.583419]
/ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0:
Fixed dependency cycle(s) with
/ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/bridge-hdmi@4c
...
[ 3.858281] sdhci-omap 481d8000.mmc: supply pbias not found, using
dummy regulator
[ 3.867253] sdhci-omap 481d8000.mmc: supply vqmmc not found, using
dummy regulator
[ 3.877353]
/ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0:
Fixed dependency cycle(s) with
/ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/bridge-hdmi@4c
[ 3.905028]
/ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0:
Fixed dependency cycle(s) with
/ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/bridge-hdmi@4c
[ 3.923957]
/ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/bridge-hdmi@4c:
Fixed dependency cycle(s) with
/ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0
[ 3.942129]
/ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0:
Fixed dependency cycle(s) with
/ocp/interconnect@44c00000/segment@200000/target-module@b000/i2c@0/bridge-hdmi@4c
[ 3.973781] ------------[ cut here ]------------
[ 3.978610] WARNING: CPU: 0 PID: 35 at
/drivers/gpu/drm/drm_atomic_state_helper.c:174
drm_atomic_helper_crtc_duplicate_state+0x68/0x70
[ 3.991114] Modules linked in:
[ 3.994306] CPU: 0 UID: 0 PID: 35 Comm: kworker/u4:2 Not tainted
6.12.34-ti #1
[ 3.994324] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 3.994336] Workqueue: events_unbound deferred_probe_work_func
[ 3.994372] Call trace:
[ 3.994384] unwind_backtrace from show_stack+0x18/0x1c
[ 3.994426] show_stack from dump_stack_lvl+0x54/0x68
[ 3.994460] dump_stack_lvl from __warn+0x84/0x154
[ 3.994485] __warn from warn_slowpath_fmt+0x180/0x1fc
[ 3.994502] warn_slowpath_fmt from
drm_atomic_helper_crtc_duplicate_state+0x68/0x70
[ 3.994522] drm_atomic_helper_crtc_duplicate_state from
drm_atomic_get_crtc_state+0x70/0x110
[ 3.994560] drm_atomic_get_crtc_state from
drm_atomic_helper_disable_all+0x98/0x1d0
[ 3.994581] drm_atomic_helper_disable_all from
drm_atomic_helper_shutdown+0x98/0x14c
[ 3.994597] drm_atomic_helper_shutdown from tilcdc_fini+0x58/0xd0
[ 3.994618] tilcdc_fini from tilcdc_init.constprop.0+0x1dc/0x60c
[ 3.994635] tilcdc_init.constprop.0 from tilcdc_pdev_probe+0x58/0xac
[ 3.994652] tilcdc_pdev_probe from platform_probe+0x64/0xb8
[ 3.994673] platform_probe from really_probe+0xd8/0x3ac
[ 3.994696] really_probe from __driver_probe_device+0x94/0x11c
[ 3.994720] __driver_probe_device from driver_probe_device+0x38/0xc8
[ 3.994739] driver_probe_device from __device_attach_driver+0xa0/0x114
[ 3.994752] __device_attach_driver from bus_for_each_drv+0x98/0xec
[ 3.994771] bus_for_each_drv from __device_attach+0xb0/0x1d0
[ 3.994788] __device_attach from bus_probe_device+0x90/0x94
[ 3.994807] bus_probe_device from device_add+0x4a4/0x69c
[ 3.994829] device_add from of_platform_device_create_pdata+0xa0/0xf8
[ 3.994868] of_platform_device_create_pdata from
of_platform_bus_create+0x1b4/0x31c
[ 3.994893] of_platform_bus_create from of_platform_populate+0x80/0x120
[ 3.994919] of_platform_populate from sysc_probe+0x4d4/0x6f4
[ 3.994956] sysc_probe from platform_probe+0x64/0xb8
[ 3.994975] platform_probe from really_probe+0xd8/0x3ac
[ 3.994995] really_probe from __driver_probe_device+0x94/0x11c
[ 3.995020] __driver_probe_device from driver_probe_device+0x38/0xc8
[ 3.995038] driver_probe_device from __device_attach_driver+0xa0/0x114
[ 3.995052] __device_attach_driver from bus_for_each_drv+0x98/0xec
[ 3.995070] bus_for_each_drv from __device_attach+0xb0/0x1d0
[ 3.995087] __device_attach from bus_probe_device+0x90/0x94
[ 3.995105] bus_probe_device from device_add+0x4a4/0x69c
[ 3.995126] device_add from of_platform_device_create_pdata+0xa0/0xf8
[ 3.995149] of_platform_device_create_pdata from
of_platform_bus_create+0x1b4/0x31c
[ 3.995174] of_platform_bus_create from of_platform_populate+0x80/0x120
[ 3.995199] of_platform_populate from simple_pm_bus_probe+0xd4/0x11c
[ 3.995223] simple_pm_bus_probe from platform_probe+0x64/0xb8
[ 3.995242] platform_probe from really_probe+0xd8/0x3ac
[ 3.995262] really_probe from __driver_probe_device+0x94/0x11c
[ 3.995286] __driver_probe_device from driver_probe_device+0x38/0xc8
[ 3.995305] driver_probe_device from __device_attach_driver+0xa0/0x114
[ 3.995318] __device_attach_driver from bus_for_each_drv+0x98/0xec
[ 3.995336] bus_for_each_drv from __device_attach+0xb0/0x1d0
[ 3.995354] __device_attach from bus_probe_device+0x90/0x94
[ 3.995372] bus_probe_device from device_add+0x4a4/0x69c
[ 3.995393] device_add from of_platform_device_create_pdata+0xa0/0xf8
[ 3.995416] of_platform_device_create_pdata from
of_platform_bus_create+0x1b4/0x31c
[ 3.995441] of_platform_bus_create from of_platform_populate+0x80/0x120
[ 3.995466] of_platform_populate from simple_pm_bus_probe+0xd4/0x11c
[ 3.995489] simple_pm_bus_probe from platform_probe+0x64/0xb8
[ 3.995508] platform_probe from really_probe+0xd8/0x3ac
[ 3.995527] really_probe from __driver_probe_device+0x94/0x11c
[ 3.995552] __driver_probe_device from driver_probe_device+0x38/0xc8
[ 3.995570] driver_probe_device from __device_attach_driver+0xa0/0x114
[ 3.995584] __device_attach_driver from bus_for_each_drv+0x98/0xec
[ 3.995602] bus_for_each_drv from __device_attach+0xb0/0x1d0
[ 3.995619] __device_attach from bus_probe_device+0x90/0x94
[ 3.995637] bus_probe_device from device_add+0x4a4/0x69c
[ 3.995659] device_add from of_platform_device_create_pdata+0xa0/0xf8
[ 3.995681] of_platform_device_create_pdata from
of_platform_bus_create+0x1b4/0x31c
[ 3.995707] of_platform_bus_create from of_platform_populate+0x80/0x120
[ 3.995731] of_platform_populate from simple_pm_bus_probe+0xd4/0x11c
[ 3.995755] simple_pm_bus_probe from platform_probe+0x64/0xb8
[ 3.995773] platform_probe from really_probe+0xd8/0x3ac
[ 3.995793] really_probe from __driver_probe_device+0x94/0x11c
[ 3.995817] __driver_probe_device from driver_probe_device+0x38/0xc8
[ 3.995836] driver_probe_device from __device_attach_driver+0xa0/0x114
[ 3.995849] __device_attach_driver from bus_for_each_drv+0x98/0xec
[ 3.995867] bus_for_each_drv from __device_attach+0xb0/0x1d0
[ 3.995885] __device_attach from bus_probe_device+0x90/0x94
[ 3.995902] bus_probe_device from deferred_probe_work_func+0xa4/0xe8
[ 3.995926] deferred_probe_work_func from process_one_work+0x190/0x450
[ 3.995963] process_one_work from worker_thread+0x1c0/0x360
[ 3.995987] worker_thread from kthread+0xf8/0x110
[ 3.996014] kthread from ret_from_fork+0x14/0x28
[ 3.996032] Exception stack(0xe0095fb0 to 0xe0095ff8)
[ 3.996043] 5fa0: 00000000
00000000 00000000 00000000
[ 3.996054] 5fc0: 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000
[ 3.996064] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 3.996073] ---[ end trace 0000000000000000 ]---
[ 4.534022] tilcdc 4830e000.lcdc: [drm] *ERROR* Disabling all crtc's
during unload failed with -12
Thank you
--
Marco
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