------------[ cut here ]------------
[  102.428622] WARNING: CPU: 7 PID: 3383 at kernel/trace/trace_functions_graph.c:985 print_graph_entry+0x4b8/0x4e8
[  102.439016] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec ax88179_178a usbnet lontium_lt9611 venus_dec venus_enc mcp251xfd videobuf2_dma_contig hci_uart leds_qcom_lpg can_dev msm snd_soc_sdm845 btqca qcom_spmi_adc5 ocmem qcom_pbs qcom_camss drm_exec btbcm xhci_pci_renesas qcom_pon qcom_vadc_common qcom_spmi_temp_alarm led_class_multicolor rtc_pm8xxx venus_core snd_soc_rt5663 videobuf2_dma_sg bluetooth gpu_sched ath10k_snoc snd_soc_qcom_sdw pwrseq_core v4l2_mem2mem videobuf2_memops drm_dp_aux_bus snd_soc_qcom_common i2c_qcom_geni ath10k_core videobuf2_v4l2 drm_display_helper ath camcc_sdm845 drm_client_lib snd_soc_rl6231 mac80211 phy_qcom_qmp_combo soundwire_bus aux_bridge videobuf2_common reset_qcom_pdc qcom_stats spi_geni_qcom qcom_q6v5_mss typec gpi phy_qcom_qmp_usb slim_qcom_ngd_ctrl qcom_rng coresight_stm slimbus pdr_interface stm_core qcom_pdr_msg icc_osm_l3 qcom_wdt qcrypto phy_qcom_qmp_pcie lmh ufs_qcom cfg80211 phy_qcom_qmp_ufs rfkill qrtr display_connector icc_bwmon llcc_qcom qcom_q6v5_pas
[  102.440484]  qcom_pil_info qcom_q6v5 drm_kms_helper qcom_sysmon qcom_common qcom_glink_smem mdt_loader qmi_helpers drm backlight rmtfs_mem socinfo
[  102.545571] CPU: 7 UID: 0 PID: 3383 Comm: cat Not tainted 6.15.0-rc6-next-20250515 #1 PREEMPT 
[  102.554407] Hardware name: Thundercomm Dragonboard 845c (DT)
[  102.560340] pstate: a0400005 (NzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  102.567486] pc : print_graph_entry+0x4b8/0x4e8
[  102.572182] lr : print_graph_entry+0x140/0x4e8
[  102.576765] sp : ffff8000984afb10
[  102.580191] x29: ffff8000984afb70 x28: ffff000080bac4e0 x27: ffff000080bac500
[  102.587559] x26: ffffd3cfe38ff264 x25: 0000000000000004 x24: ffff000080bac4e0
[  102.595002] x23: ffff000095b9c000 x22: 0000000000000696 x21: 00000000fefefefe
[  102.602442] x20: ffff000095b98000 x19: ffff000095b9a090 x18: 0000000000000000
[  102.609810] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[  102.617326] x14: 0000000000000001 x13: 0000000000000001 x12: 000003e50200000b
[  102.624691] x11: ffffd3cfe4e6ef88 x10: 0000000000000020 x9 : ffffd3cfe382c980
[  102.632060] x8 : 0000000000000020 x7 : 0000000000000001 x6 : 0000000000000029
[  102.639428] x5 : ffff000095b9a094 x4 : ffffd3cfe59963c6 x3 : 0000000000000004
[  102.646798] x2 : ffffd3cfe637a688 x1 : ffff2c31157c0000 x0 : ffffffdfbf74ef20
[  102.654237] Call trace:
[  102.656842]  print_graph_entry+0x4b8/0x4e8 (P)
[  102.661537]  print_graph_function_flags+0x280/0x4b8
[  102.666697]  print_graph_function+0x18/0x28
[  102.671125]  print_trace_line+0xc8/0x5d0
[  102.675181]  tracing_read_pipe+0x1b4/0x358
[  102.679410]  vfs_read+0xcc/0x340
[  102.682751]  ksys_read+0x7c/0x120
[  102.686181]  __arm64_sys_read+0x24/0x38
[  102.690147]  invoke_syscall.constprop.0+0x58/0xf8
[  102.694990]  do_el0_svc+0x48/0xd8
[  102.698420]  el0_svc+0x44/0x190
[  102.701771]  el0t_64_sync_handler+0x10c/0x138
[  102.706371]  el0t_64_sync+0x198/0x1a0
[  102.710279] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[  174.270789] WARNING: CPU: 6 PID: 13969 at kernel/trace/trace_functions_graph.c:927 print_graph_entry+0x4d0/0x4e8
[  174.281270] Modules linked in: fuse ip_tables x_tables snd_soc_hdmi_codec ax88179_178a usbnet lontium_lt9611 venus_dec venus_enc mcp251xfd videobuf2_dma_contig hci_uart leds_qcom_lpg can_dev msm snd_soc_sdm845 btqca qcom_spmi_adc5 ocmem qcom_pbs qcom_camss drm_exec btbcm xhci_pci_renesas qcom_pon qcom_vadc_common qcom_spmi_temp_alarm led_class_multicolor rtc_pm8xxx venus_core snd_soc_rt5663 videobuf2_dma_sg bluetooth gpu_sched ath10k_snoc snd_soc_qcom_sdw pwrseq_core v4l2_mem2mem videobuf2_memops drm_dp_aux_bus snd_soc_qcom_common i2c_qcom_geni ath10k_core videobuf2_v4l2 drm_display_helper ath camcc_sdm845 drm_client_lib snd_soc_rl6231 mac80211 phy_qcom_qmp_combo soundwire_bus aux_bridge videobuf2_common reset_qcom_pdc qcom_stats spi_geni_qcom qcom_q6v5_mss typec gpi phy_qcom_qmp_usb slim_qcom_ngd_ctrl qcom_rng coresight_stm slimbus pdr_interface stm_core qcom_pdr_msg icc_osm_l3 qcom_wdt qcrypto phy_qcom_qmp_pcie lmh ufs_qcom cfg80211 phy_qcom_qmp_ufs rfkill qrtr display_connector icc_bwmon llcc_qcom qcom_q6v5_pas
[  174.283297]  qcom_pil_info qcom_q6v5 drm_kms_helper qcom_sysmon qcom_common qcom_glink_smem mdt_loader qmi_helpers drm backlight rmtfs_mem socinfo
[  174.388870] CPU: 6 UID: 0 PID: 13969 Comm: cat Tainted: G        W           6.15.0-rc6-next-20250515 #1 PREEMPT 
[  174.399438] Tainted: [W]=WARN
[  174.402551] Hardware name: Thundercomm Dragonboard 845c (DT)
[  174.408416] pstate: a0400005 (NzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  174.415607] pc : print_graph_entry+0x4d0/0x4e8
[  174.420228] lr : print_graph_entry+0x140/0x4e8
[  174.432860] sp : ffff8000974afb10
[  174.444284] x29: ffff8000974afb70 x28: ffff0000813f98a0 x27: ffff0000813f98c0
[  174.459705] x26: 00000000fffffff8 x25: 0000000000000001 x24: ffff0000813f98a0
[  174.475086] x23: 0000000000000001 x22: 0000000000000696 x21: 00000000fefefefe
[  174.490417] x20: ffff000094688000 x19: ffff00009468a090 x18: 0000000000000000
[  174.505834] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[  174.521245] x14: 0000000000000001 x13: 0000000000000001 x12: 2d2d2d2d2d2d2d2d
[  174.536681] x11: 2d2d2d2d2d2d2d2d x10: 0000000000000020 x9 : 2d2d2d2d2d2d2d2d
[  174.552103] x8 : 0000000000000020 x7 : 0000000000000001 x6 : 0000000000000029
[  174.567533] x5 : 0000002880e305a3 x4 : ffff2c3115730000 x3 : 00000000fefefefd
[  174.582972] x2 : ffffd3cfe637a688 x1 : ffffffdfbf6bef00 x0 : 0000002880e30261
[  174.598427] Call trace:
[  174.609038]  print_graph_entry+0x4d0/0x4e8 (P)
[  174.621729]  print_graph_function_flags+0x280/0x4b8
[  174.634781]  print_graph_function+0x18/0x28
[  174.647086]  print_trace_line+0xc8/0x5d0
[  174.659099]  tracing_read_pipe+0x1b4/0x358
[  174.671197]  vfs_read+0xcc/0x340
[  174.682349]  ksys_read+0x7c/0x120 (F)
[  174.693867]  __arm64_sys_read+0x24/0x38 (F)
[  174.705804]  invoke_syscall.constprop.0+0x58/0xf8 (F)
[  174.718575]  do_el0_svc+0xb0/0xd8 (F)
[  174.729882]  el0_svc+0x44/0x190 (F)
[  174.741022]  el0t_64_sync_handler+0x10c/0x138
[  174.753013]  el0t_64_sync+0x198/0x1a0
[  174.764299] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   84.917562] WARNING: CPU: 0 PID: 3885 at kernel/trace/trace_functions_graph.c:927 print_graph_entry+0x4d0/0x4e8
[   84.917604] Modules linked in: brcmfmac brcmutil cfg80211 snd_soc_hdmi_codec dw_hdmi_i2s_audio dw_hdmi_cec rockchipdrm hci_uart hantro_vpu dw_hdmi_qp btqca analogix_dp btbcm dw_mipi_dsi v4l2_vp9 drm_dp_aux_bus v4l2_h264 panfrost snd_soc_audio_graph_card snd_soc_spdif_tx bluetooth reset_gpio snd_soc_simple_card v4l2_jpeg dw_hdmi rtc_rk808 v4l2_mem2mem drm_shmem_helper snd_soc_simple_card_utils cec gpu_sched videobuf2_dma_contig rfkill drm_display_helper snd_soc_rockchip_i2s phy_rockchip_pcie videobuf2_memops drm_client_lib pwrseq_core rockchip_saradc videobuf2_v4l2 drm_dma_helper videobuf2_common industrialio_triggered_buffer snd_soc_es8316 drm_kms_helper rockchip_thermal kfifo_buf pcie_rockchip_host coresight_cpu_debug fuse drm backlight ip_tables x_tables
[   84.918560] CPU: 0 UID: 0 PID: 3885 Comm: cat Not tainted 6.15.0-rc6-next-20250515 #1 PREEMPT_RT 
[   84.918585] Hardware name: Radxa ROCK Pi 4B (DT)
[   84.918607] pstate: a0000005 (NzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   84.918630] pc : print_graph_entry+0x4d0/0x4e8
[   84.918663] lr : print_graph_entry+0x140/0x4e8
[   84.918694] sp : ffff80008815baf0
[   84.918713] x29: ffff80008815bb50 x28: ffff00000afad480 x27: ffff00000afad4a0
[   84.918779] x26: 00000000fffffff8 x25: 0000000000000004 x24: ffff00000afad480
[   84.918845] x23: 0000000000000004 x22: 00000000000006b6 x21: 00000000fefefefe
[   84.918910] x20: ffff0000088b0000 x19: ffff0000088b2090 x18: 0000000000000000
[   84.918976] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   84.919042] x14: 0000000000000001 x13: 0000000000000001 x12: 2d2d2d2d2d2d2d2d
[   84.919107] x11: 2d2d2d2d2d2d2d2d x10: 0000000000000020 x9 : 00000000000d9b2e
[   84.919172] x8 : 0000000000000020 x7 : 0000000000000001 x6 : 0000000000000029
[   84.919237] x5 : 00000013c3f07582 x4 : ffff800074da5000 x3 : 00000000fefefefd
[   84.919302] x2 : ffff80008299e138 x1 : fffffdffbf7d6200 x0 : 00000013c3f0733b
[   84.919368] Call trace:
[   84.919388]  print_graph_entry+0x4d0/0x4e8 (P)
[   84.919422]  print_graph_function_flags+0x280/0x4b8
[   84.919455]  print_graph_function+0x18/0x28
[   84.919487]  print_trace_line+0xc8/0x5d0
[   84.919519]  tracing_read_pipe+0x1b4/0x358
[   84.919550]  vfs_read+0xcc/0x340
[   84.919586]  ksys_read+0x7c/0x120
[   84.919619]  __arm64_sys_read+0x24/0x38
[   84.919652]  invoke_syscall+0x50/0x120
[   84.919684]  el0_svc_common.constprop.0+0xc8/0xf0
[   84.919714]  do_el0_svc+0x24/0x38
[   84.919744]  el0_svc+0x3c/0x130
[   84.919778]  el0t_64_sync_handler+0x10c/0x138
[   84.919810]  el0t_64_sync+0x198/0x1a0
[   84.919843] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[   85.075793] WARNING: CPU: 4 PID: 3885 at kernel/trace/trace_functions_graph.c:985 print_graph_entry+0x4b8/0x4e8
[   85.075802] Modules linked in: brcmfmac brcmutil cfg80211 snd_soc_hdmi_codec dw_hdmi_i2s_audio dw_hdmi_cec rockchipdrm hci_uart hantro_vpu dw_hdmi_qp btqca analogix_dp btbcm dw_mipi_dsi v4l2_vp9 drm_dp_aux_bus v4l2_h264 panfrost snd_soc_audio_graph_card snd_soc_spdif_tx bluetooth reset_gpio snd_soc_simple_card v4l2_jpeg dw_hdmi rtc_rk808 v4l2_mem2mem drm_shmem_helper snd_soc_simple_card_utils cec gpu_sched videobuf2_dma_contig rfkill drm_display_helper snd_soc_rockchip_i2s phy_rockchip_pcie videobuf2_memops drm_client_lib pwrseq_core rockchip_saradc videobuf2_v4l2 drm_dma_helper videobuf2_common industrialio_triggered_buffer snd_soc_es8316 drm_kms_helper rockchip_thermal kfifo_buf pcie_rockchip_host coresight_cpu_debug fuse drm backlight ip_tables x_tables
[   85.075900] CPU: 4 UID: 0 PID: 3885 Comm: cat Tainted: G        W           6.15.0-rc6-next-20250515 #1 PREEMPT_RT 
[   85.075907] Tainted: [W]=WARN
[   85.075909] Hardware name: Radxa ROCK Pi 4B (DT)
[   85.075911] pstate: a0000005 (NzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   85.075916] pc : print_graph_entry+0x4b8/0x4e8
[   85.075921] lr : print_graph_entry+0x140/0x4e8
[   85.075925] sp : ffff80008815baf0
[   85.075927] x29: ffff80008815bb50 x28: ffff00000afad480 x27: ffff00000afad4a0
[   85.075934] x26: ffff8000800fba8c x25: 0000000000000004 x24: ffff00000afad480
[   85.075941] x23: ffff0000088b4000 x22: 00000000000006b6 x21: 00000000fefefefe
[   85.075947] x20: ffff0000088b0000 x19: ffff0000088b2090 x18: 0000000000000000
[   85.075954] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   85.075960] x14: 0000000000000001 x13: 0000000000000001 x12: 000004870100000b
[   85.075967] x11: ffff80008299f468 x10: 0000000000000020 x9 : 00000000000da020
[   85.075973] x8 : 0000000000000020 x7 : 0000000000000001 x6 : 0000000000000029
[   85.075979] x5 : ffff0000088b20a4 x4 : ffff800082184ac6 x3 : 0000000000000004
[   85.075985] x2 : ffff80008299e138 x1 : ffff800074da5000 x0 : fffffdffbf7d6200
[   85.075992] Call trace:
[   85.075996]  print_graph_entry+0x4b8/0x4e8 (P)
[   85.076002]  print_graph_function_flags+0x280/0x4b8
[   85.076007]  print_graph_function+0x18/0x28
[   85.076012]  print_trace_line+0xc8/0x5d0
[   85.076016]  tracing_read_pipe+0x1b4/0x358
[   85.076020]  vfs_read+0xcc/0x340
[   85.076026]  ksys_read+0x7c/0x120
[   85.076032]  __arm64_sys_read+0x24/0x38
[   85.076037]  invoke_syscall+0x50/0x120
[   85.076040]  el0_svc_common.constprop.0+0x48/0xf0
[   85.076045]  do_el0_svc+0x24/0x38
[   85.076048]  el0_svc+0x3c/0x130
[   85.076053]  el0t_64_sync_handler+0x10c/0x138
[   85.076057]  el0t_64_sync+0x198/0x1a0
[   85.076063] ---[ end trace 0000000000000000 ]---

------------[ cut here ]------------
[   76.928950] WARNING: CPU: 3 PID: 6214 at kernel/trace/trace_functions_graph.c:985 print_graph_entry+0x579/0x590
[   76.939128] Modules linked in: x86_pkg_temp_thermal
[   76.944105] CPU: 3 UID: 0 PID: 6214 Comm: cat Tainted: G S                  6.15.0-rc6-next-20250515 #1 PREEMPT(voluntary) 
[   76.955358] Tainted: [S]=CPU_OUT_OF_SPEC
[   76.959357] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021
[   76.966827] RIP: 0010:print_graph_entry+0x579/0x590
[   76.971811] Code: 49 89 40 20 49 8b 46 08 49 89 40 28 49 8b 46 10 49 89 40 30 49 8b 46 18 49 89 40 38 49 8b 46 20 49 89 40 40 e9 27 fe ff ff 90 <0f> 0b 90 e9 e2 fe ff ff 90 0f 0b 90 e9 8e fc ff ff e8 51 0d 07 01
[   76.990641] RSP: 0018:ffffb1ddc4c13c28 EFLAGS: 00010282
[   76.995974] RAX: ffffd1ddbfc93830 RBX: ffff9bd48abc8000 RCX: 00000000fefefefe
[   77.003198] RDX: ffffffff98576120 RSI: 0000000000000001 RDI: ffffffff9812a05a
[   77.010434] RBP: ffffb1ddc4c13cc0 R08: ffff9bd482ce32a0 R09: 0000000000000020
[   77.017687] R10: 0000000000000000 R11: 0000000000000004 R12: ffff9bd48abca090
[   77.024917] R13: 0000000000000003 R14: ffff9bd48abc8000 R15: ffff9bd482ce32a0
[   77.032129] FS:  0000000000000000(0000) GS:ffff9bd657044000(0063) knlGS:00000000f7f43580
[   77.040309] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   77.046142] CR2: 000000005855c684 CR3: 0000000106328006 CR4: 00000000003726f0
[   77.053352] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   77.060600] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   77.067842] Call Trace:
[   77.070403]  <TASK>
[   77.072587]  ? trace_event_raw_event_preemptirq_template+0x87/0xc0
[   77.078870]  ? switch_mm_irqs_off+0x4/0x3c0
[   77.083168]  ? switch_mm_irqs_off+0x4/0x3c0
[   77.087487]  print_graph_function_flags+0x27c/0x530
[   77.092466]  ? peek_next_entry+0x9d/0xb0
[   77.096504]  print_graph_function+0x13/0x20
[   77.100801]  print_trace_line+0xbb/0x530
[   77.104858]  tracing_read_pipe+0x18b/0x360
[   77.109086]  vfs_read+0xbb/0x380
[   77.112431]  ? vfs_read+0x9/0x380
[   77.115896]  ? ftrace_stub_direct_tramp+0x10/0x10
[   77.120688]  ksys_read+0x7b/0xf0
[   77.124031]  ? ftrace_stub_direct_tramp+0x10/0x10
[   77.128830]  __ia32_sys_read+0x1b/0x30
[   77.132667]  ? ftrace_stub_direct_tramp+0x10/0x10
[   77.137457]  ia32_sys_call+0x26d9/0x27e0
[   77.141470]  __do_fast_syscall_32+0x79/0x1e0
[   77.145871]  do_fast_syscall_32+0x37/0x80
[   77.150003]  do_SYSENTER_32+0x23/0x30
[   77.153764]  entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[   77.159340] RIP: 0023:0xf7f4a579
[   77.162667] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 2e 8d b4 26 00 00 00 00 8d b4 26 00 00 00
[   77.181546] RSP: 002b:00000000ff8f0dc0 EFLAGS: 00000286 ORIG_RAX: 0000000000000003
[   77.189202] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000f7cbf000
[   77.196408] RDX: 0000000000040000 RSI: 0000000000000000 RDI: 0000000000000000
[   77.203620] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   77.210830] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
[   77.218039] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   77.225323]  </TASK>
[   77.227589] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
[   81.137215] WARNING: CPU: 2 PID: 8429 at kernel/trace/trace_functions_graph.c:927 print_graph_entry+0x582/0x590
[   81.147470] Modules linked in: x86_pkg_temp_thermal
[   81.152562] CPU: 2 UID: 0 PID: 8429 Comm: cat Tainted: G S      W           6.15.0-rc6-next-20250515 #1 PREEMPT(voluntary) 
[   81.163747] Tainted: [S]=CPU_OUT_OF_SPEC, [W]=WARN
[   81.168701] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021
[   81.176241] RIP: 0010:print_graph_entry+0x582/0x590
[   81.181247] Code: 89 40 28 49 8b 46 10 49 89 40 30 49 8b 46 18 49 89 40 38 49 8b 46 20 49 89 40 40 e9 27 fe ff ff 90 0f 0b 90 e9 e2 fe ff ff 90 <0f> 0b 90 e9 8e fc ff ff e8 51 0d 07 01 90 90 90 90 90 90 90 90 90
[   81.200062] RSP: 0018:ffffb1ddc7bcbc28 EFLAGS: 00010282
[   81.205436] RAX: ffffd1ddbfd939d0 RBX: ffff9bd487748000 RCX: 000000132d0dc7a0
[   81.212648] RDX: ffffffff98576120 RSI: 00000000fefefefd RDI: 000000132d0dc89a
[   81.219916] RBP: ffffb1ddc7bcbcc0 R08: ffff9bd482ae36c0 R09: 0000000000000020
[   81.227125] R10: 00000000fefefefe R11: 0000000000000004 R12: ffff9bd48774a090
[   81.234395] R13: 0000000000000001 R14: ffff9bd482ae36e0 R15: ffff9bd482ae36c0
[   81.241627] FS:  0000000000000000(0000) GS:ffff9bd656fc4000(0063) knlGS:00000000f7f7f580
[   81.249839] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   81.255755] CR2: 0000000008a1a21c CR3: 00000001009d6002 CR4: 00000000003726f0
[   81.262953] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   81.270217] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   81.277474] Call Trace:
[   81.280011]  <TASK>
[   81.282232]  ? __rcu_read_unlock+0x4/0x40
[   81.286391]  print_graph_function_flags+0x27c/0x530
[   81.291389]  ? peek_next_entry+0x9d/0xb0
[   81.295447]  print_graph_function+0x13/0x20
[   81.299710]  print_trace_line+0xbb/0x530
[   81.303760]  tracing_read_pipe+0x18b/0x360
[   81.307964]  vfs_read+0xbb/0x380
[   81.311325]  ? vfs_read+0x9/0x380
[   81.314780]  ksys_read+0x7b/0xf0
[   81.318139]  __ia32_sys_read+0x1b/0x30
[   81.322005]  ia32_sys_call+0x26d9/0x27e0
[   81.326047]  __do_fast_syscall_32+0x79/0x1e0
[   81.330429]  do_fast_syscall_32+0x37/0x80
[   81.334595]  do_SYSENTER_32+0x23/0x30
[   81.338347]  entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[   81.343935] RIP: 0023:0xf7f86579
[   81.347242] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 2e 8d b4 26 00 00 00 00 8d b4 26 00 00 00
[   81.366104] RSP: 002b:00000000ffa6c7d0 EFLAGS: 00000282 ORIG_RAX: 0000000000000003
[   81.373785] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000f7cfb000
[   81.380983] RDX: 0000000000040000 RSI: 0000000000000000 RDI: 0000000000000000
[   81.388219] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   81.395463] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000
[   81.402705] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   81.409989]  </TASK>
[   81.412240] ---[ end trace 0000000000000000 ]---