------------[ cut here ]------------
[   54.185750] WARNING: CPU: 4 PID: 1062 at kernel/trace/trace_functions_graph.c:927 print_graph_entry+0x4d0/0x4e8
[   54.185758] Modules linked in: brcmfmac brcmutil cfg80211 snd_soc_hdmi_codec dw_hdmi_i2s_audio dw_hdmi_cec rockchipdrm hci_uart dw_hdmi_qp hantro_vpu btqca analogix_dp btbcm dw_mipi_dsi v4l2_vp9 drm_dp_aux_bus dw_hdmi v4l2_h264 bluetooth snd_soc_spdif_tx cec v4l2_jpeg snd_soc_audio_graph_card panfrost snd_soc_simple_card reset_gpio v4l2_mem2mem snd_soc_simple_card_utils drm_display_helper drm_shmem_helper videobuf2_dma_contig gpu_sched drm_client_lib rfkill phy_rockchip_pcie videobuf2_memops pwrseq_core snd_soc_rockchip_i2s rtc_rk808 videobuf2_v4l2 drm_dma_helper videobuf2_common rockchip_saradc snd_soc_es8316 drm_kms_helper industrialio_triggered_buffer pcie_rockchip_host kfifo_buf coresight_cpu_debug rockchip_thermal drm backlight fuse ip_tables x_tables
[   54.185849] CPU: 4 UID: 0 PID: 1062 Comm: cat Tainted: G        W           6.15.0-next-20250606 #1 PREEMPT_RT 
[   54.185855] Tainted: [W]=WARN
[   54.185856] Hardware name: Radxa ROCK Pi 4B (DT)
[   54.185859] pstate: a0000005 (NzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   54.185863] pc : print_graph_entry+0x4d0/0x4e8
[   54.185868] lr : print_graph_entry+0x140/0x4e8
[   54.185873] sp : ffff800085b03af0
[   54.185875] x29: ffff800085b03b50 x28: ffff00000c44cd20 x27: ffff00000c44cd40
[   54.185882] x26: 00000000fffffff8 x25: 0000000000000002 x24: ffff00000c44cd20
[   54.185889] x23: 0000000000000002 x22: 0000000000000696 x21: 00000000fefefefe
[   54.185895] x20: ffff00000bed0000 x19: ffff00000bed2090 x18: 0000000000000000
[   54.185902] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   54.185908] x14: 0000000000000001 x13: 0000000000000001 x12: 2d2d2d2d2d2d2d2d
[   54.185915] x11: 2d2d2d2d2d2d2d2d x10: 0000000000000020 x9 : 2d2d2d2d2d2d2d2d
[   54.185921] x8 : 0000000000000020 x7 : 0000000000000001 x6 : 0000000000000029
[   54.185928] x5 : 0000000c9b65c761 x4 : ffff800074d40000 x3 : 00000000fefefefd
[   54.185934] x2 : ffff8000829be530 x1 : fffffdffbf792260 x0 : 0000000c9b65c3f6
[   54.185941] Call trace:
[   54.185944]  print_graph_entry+0x4d0/0x4e8 (P)
[   54.185951]  print_graph_function_flags+0x280/0x4b8
[   54.185957]  print_graph_function+0x18/0x28
[   54.185962]  print_trace_line+0xc8/0x5d0
[   54.185967]  tracing_read_pipe+0x20c/0x380
[   54.185971]  vfs_read+0xcc/0x340
[   54.185979]  ksys_read+0x7c/0x120
[   54.185985]  __arm64_sys_read+0x24/0x38
[   54.185991]  invoke_syscall+0x50/0x120
[   54.185995]  el0_svc_common.constprop.0+0xc8/0xf0
[   54.185999]  do_el0_svc+0x24/0x38
[   54.186003]  el0_svc+0x3c/0x130
[   54.186009]  el0t_64_sync_handler+0x10c/0x138
[   54.186014]  el0t_64_sync+0x198/0x1a0
[   54.186019] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[   54.179705] WARNING: CPU: 4 PID: 1062 at kernel/trace/trace_functions_graph.c:985 print_graph_entry+0x4b8/0x4e8
[   54.179715] Modules linked in: brcmfmac brcmutil cfg80211 snd_soc_hdmi_codec dw_hdmi_i2s_audio dw_hdmi_cec rockchipdrm hci_uart dw_hdmi_qp hantro_vpu btqca analogix_dp btbcm dw_mipi_dsi v4l2_vp9 drm_dp_aux_bus dw_hdmi v4l2_h264 bluetooth snd_soc_spdif_tx cec v4l2_jpeg snd_soc_audio_graph_card panfrost snd_soc_simple_card reset_gpio v4l2_mem2mem snd_soc_simple_card_utils drm_display_helper drm_shmem_helper videobuf2_dma_contig gpu_sched drm_client_lib rfkill phy_rockchip_pcie videobuf2_memops pwrseq_core snd_soc_rockchip_i2s rtc_rk808 videobuf2_v4l2 drm_dma_helper videobuf2_common rockchip_saradc snd_soc_es8316 drm_kms_helper industrialio_triggered_buffer pcie_rockchip_host kfifo_buf coresight_cpu_debug rockchip_thermal drm backlight fuse ip_tables x_tables
[   54.179815] CPU: 4 UID: 0 PID: 1062 Comm: cat Not tainted 6.15.0-next-20250606 #1 PREEMPT_RT 
[   54.179821] Hardware name: Radxa ROCK Pi 4B (DT)
[   54.179823] pstate: a0000005 (NzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   54.179828] pc : print_graph_entry+0x4b8/0x4e8
[   54.179833] lr : print_graph_entry+0x140/0x4e8
[   54.179838] sp : ffff800085b03af0
[   54.179840] x29: ffff800085b03b50 x28: ffff00000c44cd20 x27: ffff00000c44cd40
[   54.179848] x26: ffff80008146d464 x25: 0000000000000002 x24: ffff00000c44cd20
[   54.179855] x23: ffff00000bed4000 x22: 0000000000000696 x21: 00000000fefefefe
[   54.179861] x20: ffff00000bed0000 x19: ffff00000bed2090 x18: 0000000000000000
[   54.179868] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   54.179875] x14: 0000000000000001 x13: 0000000000000001 x12: 2d2d2d2d2d2d2d2d
[   54.179881] x11: 2d2d2d2d2d2d2d2d x10: 0000000000000020 x9 : 2d2d2d2d2d2d2d2d
[   54.179888] x8 : 0000000000000020 x7 : 0000000000000001 x6 : 0000000000000029
[   54.179894] x5 : ffff00000bed2112 x4 : ffff80008219ce9e x3 : 0000000000000002
[   54.179901] x2 : ffff8000829be530 x1 : ffff800074d40000 x0 : fffffdffbf792260
[   54.179908] Call trace:
[   54.179911]  print_graph_entry+0x4b8/0x4e8 (P)
[   54.179918]  print_graph_function_flags+0x280/0x4b8
[   54.179924]  print_graph_function+0x18/0x28
[   54.179929]  print_trace_line+0xc8/0x5d0
[   54.179934]  tracing_read_pipe+0x20c/0x380
[   54.179938]  vfs_read+0xcc/0x340
[   54.179945]  ksys_read+0x7c/0x120
[   54.179951]  __arm64_sys_read+0x24/0x38
[   54.179957]  invoke_syscall+0x50/0x120
[   54.179961]  el0_svc_common.constprop.0+0xc8/0xf0
[   54.179965]  do_el0_svc+0x24/0x38
[   54.179969]  el0_svc+0x3c/0x130
[   54.179975]  el0t_64_sync_handler+0x10c/0x138
[   54.179980]  el0t_64_sync+0x198/0x1a0
[   54.179985] ---[ end trace 0000000000000000 ]---

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