Is something crashing using HDMI?

[-peter-]

Hello folks,

using the image from end of January 2021:
switching to Loglevel=7 I see strange outputs using HDMI and starting Xorg:

Code Select Expand

[  213.416835] sysfs: cannot create duplicate filename '/devices/platform/soc/1c16000.hdmi/dma:audio-tx'
[  213.426284] CPU: 1 PID: 572 Comm: Xorg Tainted: G         C        5.10.10+ #8
[  213.433527] Hardware name: Allwinner sun7i (A20) Family
[  213.438762] Backtrace:
[  213.441256] [<c0a774ac>] (dump_backtrace) from [<c0a77874>] (show_stack+0x20/0x24)
[  213.448826]  r7:c3529200 r6:60000013 r5:00000000 r4:c0facb3c
[  213.454489] [<c0a77854>] (show_stack) from [<c0a7ad80>] (dump_stack+0xa4/0xb8)
[  213.461716] [<c0a7acdc>] (dump_stack) from [<c03d6fa4>] (sysfs_warn_dup+0x68/0x74)
[  213.469282]  r7:c3529200 r6:c3529200 r5:c160e370 r4:c3305000
[  213.474943] [<c03d6f3c>] (sysfs_warn_dup) from [<c03d7330>] (sysfs_do_create_link_sd+0xec/0xf8)
[  213.483634]  r7:c3529200 r6:c160e370 r5:ffffffef r4:c1c45dc0
[  213.489293] [<c03d7244>] (sysfs_do_create_link_sd) from [<c03d7374>] (sysfs_create_link+0x38/0x44)
[  213.498246]  r9:bf07b054 r8:c164b410 r7:c1c58370 r6:bf07b040 r5:00000000 r4:bf07bca4
[  213.505988] [<c03d733c>] (sysfs_create_link) from [<c0594a5c>] (dma_request_chan+0xfc/0x2b0)
[  213.514430] [<c0594960>] (dma_request_chan) from [<c08a571c>] (snd_dmaengine_pcm_register+0xe8/0x1d0)
[  213.523643]  r10:00000000 r9:bf07b054 r8:c164b410 r7:c164b410 r6:bf07b040 r5:00000000
[  213.531463]  r4:c3dad300
[  213.534020] [<c08a5634>] (snd_dmaengine_pcm_register) from [<bf078580>] (sun4i_hdmi_audio_create+0x2c/0x18c [sun4i_drm_hdmi])
[  213.545313]  r10:bf07b3d8 r9:c3db3c9b r8:c34cb040 r7:c3db3c8b r6:c0f04fc8 r5:c0000000
[  213.553134]  r4:c34cb040 r3:00000001
[  213.556721] [<bf078554>] (sun4i_hdmi_audio_create [sun4i_drm_hdmi]) from [<bf079084>] (sun4i_hdmi_enable+0x144/0x180 [sun4i_drm_hdmi])
[  213.568791]  r5:c0000000 r4:c34cb3d0
[  213.572378] [<bf078f40>] (sun4i_hdmi_enable [sun4i_drm_hdmi]) from [<c06067d8>] (drm_atomic_helper_commit_modeset_enables+0x24c/0x278)
[  213.584450]  r9:00000000 r8:c0c9f2e0 r7:c34cb3d0 r6:00000001 r5:c3e68100 r4:00000014
[  213.592192] [<c060658c>] (drm_atomic_helper_commit_modeset_enables) from [<c0607208>] (drm_atomic_helper_commit_tail_rpm+0x34/0x7c)
[  213.604006]  r10:00000031 r9:c3e358b8 r8:00000001 r7:00000001 r6:c0b6423c r5:c2d9e800
[  213.611826]  r4:c3e68100 r3:00000002
[  213.615408] [<c06071d4>] (drm_atomic_helper_commit_tail_rpm) from [<c06077e8>] (commit_tail+0xb0/0x1d0)
[  213.624790]  r5:00000000 r4:c3e68100
[  213.628373] [<c0607738>] (commit_tail) from [<c0608674>] (drm_atomic_helper_commit+0x144/0x168)
[  213.637066]  r10:c2d9e800 r9:c3e358b8 r8:00000001 r7:00000000 r6:c2d9e800 r5:00000000
[  213.644886]  r4:c3e68100
[  213.647431] [<c0608530>] (drm_atomic_helper_commit) from [<c0625878>] (drm_atomic_commit+0x54/0x60)
[  213.656470]  r7:c2d36440 r6:c2d9e800 r5:c3e68100 r4:00000000
[  213.662133] [<c0625824>] (drm_atomic_commit) from [<c063c22c>] (drm_client_modeset_commit_atomic+0x208/0x248)
[  213.672037]  r7:c2d36440 r6:00000001 r5:c2d9e9c0 r4:c3e68100
[  213.677697] [<c063c024>] (drm_client_modeset_commit_atomic) from [<c063c354>] (drm_client_modeset_commit_locked+0x6c/0x198)
[  213.688816]  r10:000000f8 r9:00000000 r8:c2d9e89c r7:c3e03c00 r6:c0ff2020 r5:c3e03c18
[  213.696637]  r4:c2d9e800
[  213.699176] [<c063c2e8>] (drm_client_modeset_commit_locked) from [<c063c4b4>] (drm_client_modeset_commit+0x34/0x50)
[  213.709601]  r9:00000000 r8:c2d9e89c r7:c3e03cb4 r6:c0ff2020 r5:c3e03c00 r4:c2d9e800
[  213.717343] [<c063c480>] (drm_client_modeset_commit) from [<c060de58>] (__drm_fb_helper_restore_fbdev_mode_unlocked+0xb0/0xd8)
[  213.728718]  r5:c3e03c00 r4:00000000
[  213.732297] [<c060dda8>] (__drm_fb_helper_restore_fbdev_mode_unlocked) from [<c060dee8>] (drm_fbdev_client_restore+0x24/0x2c)
[  213.743588]  r7:c0ca63e4 r6:c2d9e8b0 r5:c2d9e800 r4:c3e03c00
[  213.749248] [<c060dec4>] (drm_fbdev_client_restore) from [<c063bc88>] (drm_client_dev_restore+0x84/0xc8)
[  213.758723] [<c063bc04>] (drm_client_dev_restore) from [<c06108a0>] (drm_lastclose+0x58/0x5c)
[  213.767242]  r9:00000000 r8:c1ea7d90 r7:c3d0da80 r6:c354eac0 r5:c2d9e874 r4:c2d9e800
[  213.774980] [<c0610848>] (drm_lastclose) from [<c06109c0>] (drm_release+0x11c/0x120)
[  213.782715]  r5:c2d9e874 r4:c2d9e800
[  213.786297] [<c06108a4>] (drm_release) from [<c03204d4>] (__fput+0x88/0x248)
[  213.793341]  r7:c3989f68 r6:c2f85040 r5:000a201f r4:c3d0da80
[  213.799000] [<c032044c>] (__fput) from [<c03206ac>] (____fput+0x18/0x1c)
[  213.805698]  r9:00000000 r8:c102ee84 r7:c337e200 r6:c337e694 r5:c2924540 r4:c3d0da80
[  213.813440] [<c0320694>] (____fput) from [<c0146a18>] (task_work_run+0xb0/0xe0)
[  213.820747] [<c0146968>] (task_work_run) from [<c0129aa8>] (do_exit+0x44c/0xb3c)
[  213.828139]  r9:00000000 r8:ffffe000 r7:c3db3f54 r6:ffffe000 r5:c3000a00 r4:c337e200
[  213.835877] [<c012965c>] (do_exit) from [<c012a234>] (do_group_exit+0x50/0xd8)
[  213.843090]  r7:000000f8
[  213.845628] [<c012a1e4>] (do_group_exit) from [<c012a2dc>] (__wake_up_parent+0x0/0x2c)
[  213.853538]  r7:000000f8 r6:00000000 r5:a74566d8 r4:a74566d8
[  213.859198] [<c012a2bc>] (sys_exit_group) from [<c0100060>] (ret_fast_syscall+0x0/0x54)
[  213.867193] Exception stack(0xc3db3fa8 to 0xc3db3ff0)
[  213.872245] 3fa0:                   a74566d8 a74566d8 00000000 00000000 c8ff0800 00000000
[  213.880418] 3fc0: a74566d8 a74566d8 00000000 000000f8 000005b0 00000000 a745b140 a7458000
[  213.888589] 3fe0: 000000f8 bec8db94 a73d7389 a7379746
[  213.893847] sun4i-hdmi 1c16000.hdmi: Cannot create DMA dma:audio-tx symlink

should i be concerned about it?

regards,
peter