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OptiPlex 7050/062KRH, BIOS 1.2.0 12/22/2016 [ 307.191609][ T7614] RIP: 0010:uncore_pmu_event_init (arch/x86/events/intel/uncore.c:141 arch/x86/events/intel/uncore.c:739) intel_uncore [ 307.198867][ T7614] Code: c1 4c 63 ab 0c 03 00 00 4a 8d 3c ed a0 3e c8 83 e8 17 de 3a c1 4e 03 24 ed a0 3e c8 83 49 8d bc 24 fc 00 00 00 e8 a2 dc 3a c1 <45> 8b a4 24 fc 00 00 00 44 3b 25 03 3d 35 00 0f 83 5b 04 00 00 48 All code ======== 0: c1 4c 63 ab 0c rorl $0xc,-0x55(%rbx,%riz,2) 5: 03 00 add (%rax),%eax 7: 00 4a 8d add %cl,-0x73(%rdx) a: 3c ed cmp $0xed,%al c: a0 3e c8 83 e8 17 de movabs 0xc13ade17e883c83e,%al 13: 3a c1 15: 4e 03 24 ed a0 3e c8 add -0x7c37c160(,%r13,8),%r12 1c: 83 1d: 49 8d bc 24 fc 00 00 lea 0xfc(%r12),%rdi 24: 00 25: e8 a2 dc 3a c1 call 0xffffffffc13adccc 2a:* 45 8b a4 24 fc 00 00 mov 0xfc(%r12),%r12d <-- trapping instruction 31: 00 32: 44 3b 25 03 3d 35 00 cmp 0x353d03(%rip),%r12d # 0x353d3c 39: 0f 83 5b 04 00 00 jae 0x49a 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 45 8b a4 24 fc 00 00 mov 0xfc(%r12),%r12d 7: 00 8: 44 3b 25 03 3d 35 00 cmp 0x353d03(%rip),%r12d # 0x353d12 f: 0f 83 5b 04 00 00 jae 0x470 15: 48 rex.W [ 307.218475][ T7614] RSP: 0018:ffff8881b30ef8d8 EFLAGS: 00010246 [ 307.224450][ T7614] RAX: 0000000000000000 RBX: ffff8881193547b8 RCX: dffffc0000000000 [ 307.232353][ T7614] RDX: 0000000000000007 RSI: ffffffffc05230ae RDI: ffffffff8674015c [ 307.240255][ T7614] RBP: ffff88810468d000 R08: 0000000000000000 R09: fffffbfff0ae31b4 [ 307.248151][ T7614] R10: ffffffff85718da7 R11: 0000000067e9e64c R12: ffffffff86740060 [ 307.256042][ T7614] R13: ffffffffffffffff R14: ffff888119354890 R15: ffffffff81727da9 [ 307.263933][ T7614] FS: 00007f54bdb88880(0000) GS:ffff8887a24e8000(0000) knlGS:0000000000000000 [ 307.272787][ T7614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 307.279279][ T7614] CR2: ffffffff8674015c CR3: 00000002e3e06003 CR4: 00000000003726f0 [ 307.287168][ T7614] Call Trace: [ 307.290337][ T7614] [ 307.293157][ T7614] ? perf_init_event (include/linux/rcupdate.h:331 include/linux/rcupdate.h:841 include/linux/rcupdate.h:1155 kernel/events/core.c:12690) [ 307.298005][ T7614] perf_try_init_event (kernel/events/core.c:12579) [ 307.303538][ T7614] ? perf_init_event (include/linux/rcupdate.h:331 include/linux/rcupdate.h:841 include/linux/rcupdate.h:1155 kernel/events/core.c:12690) [ 307.308370][ T7614] perf_init_event (kernel/events/core.c:12697) [ 307.313031][ T7614] perf_event_alloc (kernel/events/core.c:12972) [ 307.317862][ T7614] ? __pfx_perf_event_output_forward (kernel/events/core.c:8496) [ 307.323919][ T7614] ? __lock_release+0x5d/0x160 [ 307.329194][ T7614] __do_sys_perf_event_open (kernel/events/core.c:13492) [ 307.334732][ T7614] ? __pfx___do_sys_perf_event_open (kernel/events/core.c:13374) [ 307.340702][ T7614] ? trace_contention_end (include/trace/events/lock.h:122 (discriminator 21)) [ 307.345808][ T7614] ? lock_acquire (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870 kernel/locking/lockdep.c:5825) [ 307.350379][ T7614] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 307.354947][ T7614] ? rcu_is_watching (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 307.359623][ T7614] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 307.364020][ T7614] ? __do_sys_perf_event_open (include/linux/srcu.h:167 include/linux/srcu.h:375 include/linux/srcu.h:479 kernel/events/core.c:13454) [ 307.369726][ T7614] ? __lock_release+0x5d/0x160 [ 307.375006][ T7614] ? __do_sys_perf_event_open (include/linux/srcu.h:167 include/linux/srcu.h:375 include/linux/srcu.h:479 kernel/events/core.c:13454) [ 307.380713][ T7614] ? lock_release (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5891) [ 307.385194][ T7614] ? __srcu_read_unlock (kernel/rcu/srcutree.c:770) [ 307.390112][ T7614] ? __do_sys_perf_event_open (include/linux/srcu.h:377 include/linux/srcu.h:479 kernel/events/core.c:13454) [ 307.395823][ T7614] ? __pfx___do_sys_perf_event_open (kernel/events/core.c:13374) [ 307.401798][ T7614] ? rcu_is_watching (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 307.406455][ T7614] ? trace_irq_enable+0xac/0xe0 [ 307.412248][ T7614] ? rcu_is_watching (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 307.416904][ T7614] ? trace_irq_enable+0xac/0xe0 [ 307.422698][ T7614] ? rcu_is_watching (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 307.427355][ T7614] ? trace_irq_enable+0xac/0xe0 [ 307.433149][ T7614] ? do_syscall_64 (arch/x86/entry/syscall_64.c:113) [ 307.437808][ T7614] ? handle_mm_fault (include/linux/rcupdate.h:341 include/linux/rcupdate.h:871 include/linux/memcontrol.h:981 include/linux/memcontrol.h:987 mm/memory.c:6229 mm/memory.c:6390) [ 307.442652][ T7614] ? __lock_release+0x5d/0x160 [ 307.447923][ T7614] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 307.452491][ T7614] ? rcu_is_watching (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 307.457151][ T7614] ? trace_irq_enable+0xac/0xe0 [ 307.462954][ T7614] ? do_syscall_64 (arch/x86/entry/syscall_64.c:113) [ 307.467631][ T7614] ? lock_release (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5891) [ 307.472122][ T7614] ? do_user_addr_fault (arch/x86/include/asm/atomic.h:93 include/linux/atomic/atomic-arch-fallback.h:949 include/linux/atomic/atomic-instrumented.h:401 include/linux/refcount.h:389 include/linux/refcount.h:432 include/linux/mmap_lock.h:143 include/linux/mmap_lock.h:267 arch/x86/mm/fault.c:1338) [ 307.477225][ T7614] ? rcu_is_watching (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 307.481892][ T7614] ? trace_irq_enable+0xac/0xe0 [ 307.487692][ T7614] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4351 kernel/locking/lockdep.c:4410) [ 307.493487][ T7614] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 307.499281][ T7614] RIP: 0033:0x7f54c9b4d719 [ 307.503585][ T7614] Code: 08 89 e8 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b7 06 0d 00 f7 d8 64 89 01 48 All code ======== 0: 08 89 e8 5b 5d c3 or %cl,-0x3ca2a418(%rcx) 6: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) d: 00 00 00 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d b7 06 0d 00 mov 0xd06b7(%rip),%rcx # 0xd06f1 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d b7 06 0d 00 mov 0xd06b7(%rip),%rcx # 0xd06c7 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250819/202508190403.33c83ece-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki