14030 2020-08-28 03:06:45 +0000 kobject_add_internal failed 2020-09-03 07:36:14 +0000 1 1 7 Build System, Metadata & Runtime Meta-yocto meta-yocto unspecified Other Multiple RESOLVED INVALID Undecided critical --- 1 d.piecha unassigned poky.bs.watcher poky.watcher randy.macleod --- --- Don't know oldest_to_newest 88057 0 d.piecha 2020-08-28 03:06:45 +0000 I'm getting a Backtrace on boot. Something about kobject_add_internal, the issue is often happened after kernel update. Steps to reproduce the issue: Build raspberrypi image with lastest dunfell branch. Boot the image on the pi [ 1.511915] simple-framebuffer 1e513000.framebuffer: format=a8r8g8b8, mode=1824x984x32, linelength=7296 [ 1.548182] Console: switching to colour frame buffer device 228x61 [ 1.580552] simple-framebuffer 1e513000.framebuffer: fb0: simplefb registered! [ 1.581567] sysfs: cannot create duplicate filename '/devices/platform/1e513000.framebuffer' [ 1.581908] CPU: 0 PID: 1 Comm: swapper Not tainted 5.4.59 #1 [ 1.582125] Hardware name: BCM2835 [ 1.582269] Backtrace: [ 1.582419] [<c00157dc>] (dump_backtrace) from [<c0015b28>] (show_stack+0x20/0x24) [ 1.582706] r7:00000000 r6:cb5d87a0 r5:cb51e5a0 r4:cb47b000 [ 1.582942] [<c0015b08>] (show_stack) from [<c07bc1b4>] (dump_stack+0x20/0x28) [ 1.583231] [<c07bc194>] (dump_stack) from [<c0252018>] (sysfs_warn_dup+0x60/0x74) [ 1.583519] [<c0251fb8>] (sysfs_warn_dup) from [<c025216c>] (sysfs_create_dir_ns+0xec/0x10c) [ 1.583820] r7:00000000 r6:cb51e5a0 r5:ffffffef r4:cb5e2a10 [ 1.584063] [<c0252080>] (sysfs_create_dir_ns) from [<c07c14e8>] (kobject_add_internal+0x90/0x308) [ 1.584385] r6:c1039928 r5:c1039928 r4:cb5e2a10 [ 1.584586] [<c07c1458>] (kobject_add_internal) from [<c07c1c98>] (kobject_add+0x60/0xc4) [ 1.584885] r9:c0ac282c r8:c1078000 r7:00000000 r6:c1039928 r5:cb5e2a10 r4:00000000 [ 1.585203] [<c07c1c38>] (kobject_add) from [<c0523a78>] (device_add+0x100/0x61c) [ 1.585474] r3:00000000 r2:00000000 [ 1.585738] r6:c1039928 r5:dbf62b9c r4:cb5e2a10 [ 1.585964] [<c0523978>] (device_add) from [<c0648c10>] (of_device_add+0x40/0x48) [ 1.586253] r8:c1078000 r7:00000000 r6:00000000 r5:dbf62b9c r4:cb5e2a00 [ 1.586514] [<c0648bd0>] (of_device_add) from [<c0649398>] (of_platform_device_create_pdata+0xb4/0xfc) [ 1.586857] [<c06492e4>] (of_platform_device_create_pdata) from [<c0649400>] (of_platform_device_create+0x20/0x24) [ 1.587221] r7:c09c31e0 r6:c111e8f0 r5:00000000 r4:dbf62b9c [ 1.587462] [<c06493e0>] (of_platform_device_create) from [<c0aa366c>] (simplefb_init+0x74/0x9c) [ 1.587794] [<c0aa35f8>] (simplefb_init) from [<c000ade0>] (do_one_initcall+0x50/0x1d4) [ 1.588089] r7:00000000 r6:c1078000 r5:c0ac284c r4:c0aa35f8 [ 1.598984] [<c000ad90>] (do_one_initcall) from [<c0a731c0>] (kernel_init_freeable+0x130/0x1f4) [ 1.609929] r7:c0a6f4a0 r6:c1078000 r5:c0ac284c r4:c0aeb94c [ 1.620971] [<c0a73090>] (kernel_init_freeable) from [<c07d3af0>] (kernel_init+0x18/0xfc) [ 1.631962] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c07d3ad8 [ 1.642924] r4:00000000 [ 1.653955] [<c07d3ad8>] (kernel_init) from [<c00090ac>] (ret_from_fork+0x14/0x28) [ 1.664988] Exception stack(0xcb4cbfb0 to 0xcb4cbff8) [ 1.675936] bfa0: 00000000 00000000 00000000 00000000 [ 1.687241] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1.698351] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 1.709317] r5:c07d3ad8 r4:00000000 [ 1.720413] kobject_add_internal failed for 1e513000.framebuffer with -EEXIST, don't try to register things with the same name in the same directory. 88090 1 randy.macleod 2020-09-03 07:36:14 +0000 Unfortnuately, we don't deal with RPi bug, please consult the BSP developers or ask on the yocto email list.