Created attachment 846600 [details]
dmesg after boot with two backtraces

On my raspberry pi 1 with current Tumbleweed as of today (kernel
5.10.16-1-default), I get two ugly backtraces during boot:

[    0.242655] simple-framebuffer 1e402000.framebuffer: framebuffer at
0x1e402000, 0x7e9000 bytes, mapped to 0x(ptrval)
[    0.242682] simple-framebuffer 1e402000.framebuffer: format=a8r8g8b8,
mode=1920x1080x32, linelength=7680
[    0.243802] Console: switching to colour frame buffer device 240x67
[    0.295580] simple-framebuffer 1e402000.framebuffer: fb0: simplefb
registered!
[    0.296040] sysfs: cannot create duplicate filename
'/devices/platform/1e402000.framebuffer'
[    0.296068] CPU: 0 PID: 1 Comm: swapper Not tainted 5.10.16-1-default #1
openSUSE Tumbleweed
[    0.296076] Hardware name:  /, BIOS 2021.01 02/16/2021
[    0.296134] [<c010f1e0>] (unwind_backtrace) from [<c010c4a8>]
(show_stack+0x18/0x1c)
[    0.296166] [<c010c4a8>] (show_stack) from [<c03bca58>]
(sysfs_warn_dup+0x58/0x6c)
[    0.296188] [<c03bca58>] (sysfs_warn_dup) from [<c03bcba4>]
(sysfs_create_dir_ns+0xec/0x10c)
[    0.296209] [<c03bcba4>] (sysfs_create_dir_ns) from [<c05b4070>]
(kobject_add_internal+0x98/0x360)
[    0.296231] [<c05b4070>] (kobject_add_internal) from [<c05b4870>]
(kobject_add+0x5c/0xcc)
[    0.296265] [<c05b4870>] (kobject_add) from [<c06e2da0>]
(device_add+0x108/0x7d0)
[    0.296287] [<c06e2da0>] (device_add) from [<c083c69c>]
(of_platform_device_create_pdata+0xa0/0xd8)
[    0.296313] [<c083c69c>] (of_platform_device_create_pdata) from [<c1228e44>]
(simplefb_init+0x68/0x90)
[    0.296340] [<c1228e44>] (simplefb_init) from [<c0101e1c>]
(do_one_initcall+0x54/0x1ec)

and...

[    6.635962] Block layer SCSI generic (bsg) driver version 0.4 loaded (major
246)
[    6.636332] io scheduler mq-deadline registered
[    6.636350] io scheduler kyber registered
[    6.636829] io scheduler bfq registered
[    6.638906] ------------[ cut here ]------------
[    6.638964] WARNING: CPU: 0 PID: 1 at kernel/irq/chip.c:1023
irq_set_chained_handler_and_data+0x54/0x8c
[    6.638974] Modules linked in:
[    6.639003] CPU: 0 PID: 1 Comm: swapper Not tainted 5.10.16-1-default #1
openSUSE Tumbleweed
[    6.639010] Hardware name:  /, BIOS 2021.01 02/16/2021
[    6.639053] [<c010f1e0>] (unwind_backtrace) from [<c010c4a8>]
(show_stack+0x18/0x1c)
[    6.639073] [<c010c4a8>] (show_stack) from [<c011fc4c>] (__warn+0xe0/0x14c)
[    6.639097] [<c011fc4c>] (__warn) from [<c0a2f44c>]
(warn_slowpath_fmt+0x7c/0xbc)
[    6.639121] [<c0a2f44c>] (warn_slowpath_fmt) from [<c017bfb0>]
(irq_set_chained_handler_and_data+0x54/0x8c)
[    6.639145] [<c017bfb0>] (irq_set_chained_handler_and_data) from
[<c05e0560>] (gpiochip_add_data_with_key+0x6b0/0xd14)
[    6.639176] [<c05e0560>] (gpiochip_add_data_with_key) from [<c05d64e8>]
(bcm2835_pinctrl_probe+0x36c/0x4c8)
[    6.639210] [<c05d64e8>] (bcm2835_pinctrl_probe) from [<c06eab3c>]
(platform_drv_probe+0x50/0xa0)
[    6.639230] [<c06eab3c>] (platform_drv_probe) from [<c06e82a8>]
(really_probe+0x108/0x534)
[    6.639247] [<c06e82a8>] (really_probe) from [<c06e8aa8>]
(driver_probe_device+0x74/0x1dc)
[    6.639262] [<c06e8aa8>] (driver_probe_device) from [<c06e8f38>]
(device_driver_attach+0xb0/0xb8)
[    6.639279] [<c06e8f38>] (device_driver_attach) from [<c06e8fec>]
(__driver_attach+0xac/0x150)
[    6.639311] [<c06e8fec>] (__driver_attach) from [<c06e5e30>]
(bus_for_each_dev+0x7c/0xc8)
[    6.639333] [<c06e5e30>] (bus_for_each_dev) from [<c06e73d0>]
(bus_add_driver+0x108/0x210)
[    6.639349] [<c06e73d0>] (bus_add_driver) from [<c06e99ec>]
(driver_register+0x90/0x120)
[    6.639370] [<c06e99ec>] (driver_register) from [<c0101e1c>]
(do_one_initcall+0x54/0x1ec)
[    6.639403] [<c0101e1c>] (do_one_initcall) from [<c12015bc>]
(kernel_init_freeable+0x16c/0x204)
[    6.639437] [<c12015bc>] (kernel_init_freeable) from [<c0a36a60>]
(kernel_init+0x10/0x124)
[    6.639458] [<c0a36a60>] (kernel_init) from [<c0100114>]
(ret_from_fork+0x14/0x20)
[    6.639470] Exception stack(0xc1d15fb0 to 0xc1d15ff8)
[    6.639482] 5fa0:                                     00000000 00000000
00000000 00000000
[    6.639497] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000
[    6.639510] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[    6.639531] ---[ end trace 26e37ab1a191b31f ]---
[    6.641470] efifb: probing for efifb

(will attach full dmesg).

So far, everything seems to be working fine, but it still is ugly ;-)