------------[ cut here ]------------
[   86.727610] WARNING: CPU: 4 PID: 2195 at kernel/trace/trace_functions_graph.c:1005 print_graph_entry+0x4b8/0x4e8
[   86.727639] Modules linked in: brcmfmac brcmutil cfg80211 snd_soc_hdmi_codec dw_hdmi_i2s_audio dw_hdmi_cec rockchipdrm hci_uart dw_hdmi_qp btqca analogix_dp btbcm dw_mipi_dsi hantro_vpu dw_hdmi bluetooth cec v4l2_vp9 v4l2_h264 panfrost drm_display_helper v4l2_jpeg v4l2_mem2mem drm_shmem_helper videobuf2_dma_contig snd_soc_audio_graph_card drm_client_lib snd_soc_simple_card rfkill videobuf2_memops gpu_sched drm_dma_helper snd_soc_simple_card_utils snd_soc_spdif_tx reset_gpio videobuf2_v4l2 pwrseq_core rockchip_saradc snd_soc_rockchip_i2s phy_rockchip_pcie videobuf2_common drm_kms_helper rtc_rk808 industrialio_triggered_buffer snd_soc_es8316 rockchip_thermal pcie_rockchip_host kfifo_buf coresight_cpu_debug drm fuse backlight ip_tables x_tables
[   86.728389] CPU: 4 UID: 0 PID: 2195 Comm: cat Not tainted 6.15.1-rc1 #1 PREEMPT_RT 
[   86.728410] Hardware name: Radxa ROCK Pi 4B (DT)
[   86.728427] pstate: a0000005 (NzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   86.728446] pc : print_graph_entry+0x4b8/0x4e8
[   86.728470] lr : print_graph_entry+0x140/0x4e8
[   86.728493] sp : ffff80008645baf0
[   86.728509] x29: ffff80008645bb50 x28: ffff00000b939660 x27: ffff00000b939680
[   86.728563] x26: ffff8000800fe2dc x25: 0000000000000005 x24: ffff00000b939660
[   86.728616] x23: ffff00000d2c4000 x22: 0000000000000696 x21: 00000000fefefefe
[   86.728669] x20: ffff00000d2c0000 x19: ffff00000d2c2090 x18: 0000000000000000
[   86.728721] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   86.728773] x14: 0000000000000001 x13: 0000000000000001 x12: 000008b64200000b
[   86.728826] x11: ffff800082940200 x10: 0000000000000020 x9 : ffff800080020cd0
[   86.728879] x8 : 0000000000000020 x7 : 0000000000000001 x6 : 0000000000000029
[   86.728931] x5 : ffff00000d2c2094 x4 : ffff800082132626 x3 : 0000000000000005
[   86.728983] x2 : ffff80008293eef8 x1 : ffff800074e2a000 x0 : fffffdffbf7f7d00
[   86.729036] Call trace:
[   86.729053]  print_graph_entry+0x4b8/0x4e8 (P)
[   86.729079]  print_graph_function_flags+0x280/0x4b8
[   86.729104]  print_graph_function+0x18/0x28
[   86.729129]  print_trace_line+0xc8/0x5d0
[   86.729157]  tracing_read_pipe+0x1b4/0x358
[   86.729183]  vfs_read+0xcc/0x340
[   86.729209]  ksys_read+0x7c/0x120
[   86.729234]  __arm64_sys_read+0x24/0x38
[   86.729259]  invoke_syscall+0x50/0x120
[   86.729288]  el0_svc_common.constprop.0+0xc8/0xf0 (F)
[   86.729315]  do_el0_svc+0x24/0x38 (F)
[   86.729341]  el0_svc+0x38/0x100 (F)
[   86.729368]  el0t_64_sync_handler+0x10c/0x138
[   86.729394]  el0t_64_sync+0x198/0x1a0
[   86.729420] ---[ end trace 0000000000000000 ]---

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