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[ 89.314224][ T252] smpboot: CPU 1 is now offline [ 96.918719][ T0] WARNING: CPU: 0 PID: 0 at kernel/time/tick-sched.c:1231 t= ick_nohz_idle_stop_tick (kernel/time/tick-sched.c:1231)=20 [ 43.030468][ T307] [ 87.817541][ T649] smpboot: Booting Node 0 Processor 4 APIC 0x1 [ 43.042435][ T307] Preparing to unpack .../ntpdate_1%3a4.2.8p15+dfsg-2~= 1.2.2+dfsg1-1+deb12u1_all.deb ... [ 90.352309][ T252] smpboot: CPU 2 is now offline [ 43.042441][ T307] [ 96.928830][ T0] Modules linked in: snd_hda_codec_hdmi snd_ctl_led sn= d_hda_codec_realtek snd_hda_codec_generic snd_hda_scodec_component btrfs in= tel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequenc= y_common blake2b_generic xor zstd_compress snd_soc_avs x86_pkg_temp_thermal= snd_soc_hda_codec snd_hda_ext_core intel_powerclamp raid6_pq snd_soc_core = coretemp snd_compress i915 sd_mod snd_hda_intel sg snd_intel_dspcfg kvm_int= el intel_gtt ipmi_devintf snd_intel_sdw_acpi ipmi_msghandler cec snd_hda_co= dec drm_buddy kvm snd_hda_core ttm mei_wdt irqbypass snd_hwdep i2c_designwa= re_platform ghash_clmulni_intel snd_pcm dell_wmi platform_profile ahci rapl= drm_display_helper i2c_designware_core mei_me dcdbas libahci dell_wmi_aio = snd_timer dell_smbios intel_cstate drm_client_lib dell_smm_hwmon wmi_bmof d= ell_wmi_descriptor sparse_keymap intel_lpss_pci snd drm_kms_helper i2c_i801= intel_lpss libata pcspkr intel_uncore mei idma64 soundcore i2c_smbus video= intel_pmc_core pmt_telemetry pmt_class wmi pinctrl_sunrisepoint [ 87.823787][ T0] Masked ExtINT on CPU#4 [ 43.055242][ T307] Unpacking ntpdate (1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+d= eb12u1) ... [ 91.391058][ T252] smpboot: CPU 3 is now offline [ 96.928957][ T0] intel_pmc_ssram_telemetry intel_vsec acpi_pad binfm= t_misc drm fuse loop dm_mod ip_tables [ 43.055248][ T307] [ 87.976451][ T649] smpboot: Booting Node 0 Processor 5 APIC 0x3 [ 43.065976][ T307] Selecting previously unselected package ntpsec-ntpda= te. [ 92.424836][ T252] smpboot: CPU 4 is now offline [ 97.028568][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G = I 6.16.0-rc6-00089-gd112a298a936 #1 PREEMPT(voluntary) [ 43.065982][ T307] [ 87.982768][ T0] Masked ExtINT on CPU#5 [ 43.076378][ T307] Preparing to unpack .../ntpsec-ntpdate_1.2.2+dfsg1-1= +deb12u1_amd64.deb ... [ 97.041089][ T0] Tainted: [I]=3DFIRMWARE_WORKAROUND [ 93.454857][ T252] smpboot: CPU 5 is now offline [ 43.076384][ T307] [ 88.118542][ T649] smpboot: Booting Node 0 Processor 6 APIC 0x5 [ 43.087987][ T307] Unpacking ntpsec-ntpdate (1.2.2+dfsg1-1+deb12u1) ... [ 94.507924][ T252] smpboot: CPU 6 is now offline [ 97.046019][ T0] Hardware name: Dell Inc. OptiPlex 7050/062KRH, BIOS = 1.2.0 12/22/2016 [ 43.087993][ T307] [ 88.124813][ T0] Masked ExtINT on CPU#6 [ 43.097723][ T307] Selecting previously unselected package python3-ntp. [ 95.537790][ T252] smpboot: CPU 7 is now offline [ 97.054053][ T0] RIP: 0010:tick_nohz_idle_stop_tick (kernel/time/tick-sche= d.c:1231)=20 [ 43.097729][ T307] [ 88.268535][ T649] smpboot: Booting Node 0 Processor 7 APIC 0x7 [ 43.107761][ T307] Preparing to unpack .../python3-ntp_1.2.2+dfsg1-1+de= b12u1_amd64.deb ... [ 97.060194][ T0] Code: e0 5d f6 84 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 = 48 c1 ea 03 80 3c 02 00 0f 85 b7 00 00 00 41 f6 04 24 02 0f 84 63 ff ff ff = <0f> 0b e9 5c ff ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 All code =3D=3D=3D=3D=3D=3D=3D=3D 0: e0 5d loopne 0x5f 2: f6 84 48 b8 00 00 00 testb $0x0,0xb8(%rax,%rcx,2) 9: 00=20 a: 00 fc add %bh,%ah c: ff (bad) d: df 4c 89 e2 fisttps -0x1e(%rcx,%rcx,4) 11: 48 c1 ea 03 shr $0x3,%rdx 15: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 19: 0f 85 b7 00 00 00 jne 0xd6 1f: 41 f6 04 24 02 testb $0x2,(%r12) 24: 0f 84 63 ff ff ff je 0xffffffffffffff8d 2a:* 0f 0b ud2 <-- trapping instruction 2c: e9 5c ff ff ff jmp 0xffffffffffffff8d 31: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 38: fc ff df=20 3b: 48 89 da mov %rbx,%rdx 3e: 48 rex.W 3f: c1 .byte 0xc1 Code starting with the faulting instruction =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 0: 0f 0b ud2 2: e9 5c ff ff ff jmp 0xffffffffffffff63 7: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax e: fc ff df=20 11: 48 89 da mov %rbx,%rdx 14: 48 rex.W 15: c1 .byte 0xc1 [ 95.560557][ T649] smpboot: Booting Node 0 Processor 1 APIC 0x2 [ 43.107767][ T307] [ 88.274805][ T0] Masked ExtINT on CPU#7 [ 43.119061][ T307] Unpacking python3-ntp (1.2.2+dfsg1-1+deb12u1) ... [ 95.566801][ T0] Masked ExtINT on CPU#1 [ 97.079531][ T0] RSP: 0018:ffffffff85207df0 EFLAGS: 00010002 [ 43.119067][ T307] [ 89.314224][ T252] smpboot: CPU 1 is now offline [ 43.128509][ T307] Setting up python3-ntp (1.2.2+dfsg1-1+deb12u1) ... [ 95.591432][ T649] smpboot: Booting Node 0 Processor 2 APIC 0x4 [ 97.085419][ T0] RAX: dffffc0000000000 RBX: ffff888796430c40 RCX: 000= 0000000000000 [ 43.128515][ T307] [ 90.352309][ T252] smpboot: CPU 2 is now offline [ 43.138294][ T307] Setting up ntpdate (1:4.2.8p15+dfsg-2~1.2.2+dfsg1-1+= deb12u1) ... [ 95.597695][ T0] Masked ExtINT on CPU#2 [ 97.093208][ T0] RDX: 1ffff110f2c86188 RSI: 0000000000000008 RDI: fff= fffff84f65de0 [ 43.138300][ T307] [ 91.391058][ T252] smpboot: CPU 3 is now offline [ 43.149075][ T307] Setting up ntpsec-ntpdate (1.2.2+dfsg1-1+deb12u1) ..= . [ 95.625417][ T649] smpboot: Booting Node 0 Processor 3 APIC 0x6 [ 97.100997][ T0] RBP: ffff88880f074000 R08: 0000000000000000 R09: fff= fed10219177b8 [ 43.149081][ T307] [ 92.424836][ T252] smpboot: CPU 4 is now offline [ 43.158251][ T307] NO_NETWORK=3D [ 97.108775][ T0] R10: ffff88810c8bbdc7 R11: ffff888796430c70 R12: fff= f888796430c40 [ 95.631679][ T0] Masked ExtINT on CPU#3 [ 43.158257][ T307] [ 93.454857][ T252] smpboot: CPU 5 is now offline [ 43.164205][ T307] CLOCK: time stepped by 32064468.825994 [ 95.675523][ T649] smpboot: Booting Node 0 Processor 4 APIC 0x1 [ 97.116551][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 000= 000081dff1000 [ 43.164212][ T307] [ 94.507924][ T252] smpboot: CPU 6 is now offline [ 43.172683][ T307] CLOCK: time changed from 2024-08-25 to 2025-08-31 [ 97.124328][ T0] FS: 0000000000000000(0000) GS:ffff88880f074000(0000= ) knlGS:0000000000000000 [ 95.681842][ T0] Masked ExtINT on CPU#4 [ 43.172690][ T307] [ 95.537790][ T252] smpboot: CPU 7 is now offline [ 43.183164][ T307] 2025-08-31 20:23:30.162487 (+0000) +32064468.825994 = +/- 0.000310 internal-lkp-server 192.168.1.200 s5 no-leap [ 95.721433][ T649] smpboot: Booting Node 0 Processor 5 APIC 0x3 [ 97.133051][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.183170][ T307] [ 95.560557][ T649] smpboot: Booting Node 0 Processor 1 APIC 0x2 [ 43.221647][ T10] smpboot: CPU 6 is now offline [ 97.139448][ T0] CR2: 00007fe2bc1c1e90 CR3: 000000081aa72006 CR4: 000= 00000003726f0 [ 95.727679][ T0] Masked ExtINT on CPU#5 [ 44.252774][ T10] smpboot: CPU 7 is now offline [ 95.566801][ T0] Masked ExtINT on CPU#1 [ 44.289262][ T649] smpboot: Booting Node 0 Processor 1 APIC 0x2 [ 97.147225][ T0] Call Trace: [ 95.761430][ T649] smpboot: Booting Node 0 Processor 6 APIC 0x5 [ 44.301168][ T0] Masked ExtINT on CPU#1 [ 95.591432][ T649] smpboot: Booting Node 0 Processor 2 APIC 0x4 [ 44.323288][ T649] smpboot: Booting Node 0 Processor 2 APIC 0x4 [ 97.150345][ T0] [ 44.329546][ T0] Masked ExtINT on CPU#2 [ 95.767675][ T0] Masked ExtINT on CPU#6 [ 95.597695][ T0] Masked ExtINT on CPU#2 [ 44.357295][ T649] smpboot: Booting Node 0 Processor 3 APIC 0x6 [ 97.153121][ T0] cpuidle_idle_call (arch/x86/include/asm/current.h:25 incl= ude/linux/sched/idle.h:33 include/linux/sched/idle.h:67 kernel/sched/idle.c= :149 kernel/sched/idle.c:235)=20 [ 95.808544][ T649] smpboot: Booting Node 0 Processor 7 APIC 0x7 [ 44.363568][ T0] Masked ExtINT on CPU#3 [ 95.625417][ T649] smpboot: Booting Node 0 Processor 3 APIC 0x6 [ 44.402300][ T649] smpboot: Booting Node 0 Processor 4 APIC 0x1 [ 97.157882][ T0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:173)=20 [ 95.814793][ T0] Masked ExtINT on CPU#7 [ 44.408556][ T0] Masked ExtINT on CPU#4 [ 95.631679][ T0] Masked ExtINT on CPU#3 [ 44.445282][ T649] smpboot: Booting Node 0 Processor 5 APIC 0x3 [ 97.163158][ T0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60)=20 [ 95.965121][ T252] smpboot: CPU 1 is now offline [ 44.451534][ T0] Masked ExtINT on CPU#5 [ 95.675523][ T649] smpboot: Booting Node 0 Processor 4 APIC 0x1 [ 44.491303][ T649] smpboot: Booting Node 0 Processor 6 APIC 0x5 [ 97.168350][ T0] do_idle (kernel/sched/idle.c:330)=20 [ 96.109316][ T252] smpboot: CPU 2 is now offline [ 44.497553][ T0] Masked ExtINT on CPU#6 [ 95.681842][ T0] Masked ExtINT on CPU#4 [ 44.536391][ T649] smpboot: Booting Node 0 Processor 7 APIC 0x7 [ 97.172160][ T0] cpu_startup_entry (kernel/sched/idle.c:427 (discriminator= 1))=20 [ 96.244243][ T252] smpboot: CPU 3 is now offline [ 44.542639][ T0] Masked ExtINT on CPU#7 [ 95.721433][ T649] smpboot: Booting Node 0 Processor 5 APIC 0x3 [ 44.699078][ T10] smpboot: CPU 1 is now offline [ 97.176746][ T0] rest_init (init/main.c:718)=20 [ 96.397668][ T252] smpboot: CPU 4 is now offline The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250903/202509031529.464ff656-lkp@= intel.com --=20 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki