------------[ cut here ]------------ WARNING: CPU: 0 PID: 12 at kernel/events/core.c:2047 perf_group_detach+0x99e/0x12f0 Modules linked in: CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 6.0.0-rc7-next-20220929 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: events_power_efficient gc_worker RIP: 0010:perf_group_detach+0x99e/0x12f0 Code: 85 d5 f8 ff ff e8 b2 4e ee ff 65 44 8b 25 96 b7 aa 7e 31 ff 44 89 e6 e8 50 4b ee ff 45 85 e4 0f 84 0a 05 00 00 e8 92 4e ee ff <0f> 0b e9 a9 f8 ff ff e8 86 4e ee ff 65 8b 1d 6b b7 aa 7e 31 ff 89 RSP: 0018:ffff88806ce09e60 EFLAGS: 00010046 RAX: 0000000080010001 RBX: ffff888008660000 RCX: 0000000000000000 RDX: ffff888008615040 RSI: ffffffff8157be3e RDI: 0000000000000005 RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865b401b R12: 0000000000000000 R13: ffff888008660090 R14: ffff88806ce3d2c0 R15: ffff888008660000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000003f1d6000 CR4: 0000000000350ef0 Call Trace: __perf_remove_from_context+0x71e/0xb20 event_function+0x297/0x3d0 remote_function+0x125/0x1b0 __flush_smp_call_function_queue+0x1df/0x5a0 __sysvec_call_function_single+0x92/0x3a0 sysvec_call_function_single+0x89/0xc0 asm_sysvec_call_function_single+0x16/0x20 RIP: 0010:gc_worker+0xd57/0x18b0 Code: 00 00 00 48 c7 c7 88 a8 b0 85 e8 44 20 cf fd 48 8b b4 24 00 01 00 00 48 c7 c7 88 a8 b0 85 e8 e0 18 cf fd e8 cb e1 f1 fd fb 59 63 f5 ff ff e8 7f 09 eb fd e8 ba 11 ca 00 31 ff 41 89 c7 89 c6 RSP: 0018:ffff888008637c20 EFLAGS: 00000202 RAX: 0000000000050123 RBX: 0000000000000200 RCX: ffffffff811c4d87 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000001 R09: ffffffff86cd3827 R10: fffffbfff0d9a704 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000010000 R15: 0000000000010000 process_one_work+0xa17/0x16a0 worker_thread+0x637/0x1260 kthread+0x2ed/0x3a0 ret_from_fork+0x22/0x30 irq event stamp: 327972 hardirqs last enabled at (327971): [] gc_worker+0xd55/0x18b0 hardirqs last disabled at (327972): [] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (323818): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (323811): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 12 at kernel/events/core.c:2183 perf_group_detach+0x9c7/0x12f0 Modules linked in: CPU: 0 PID: 12 Comm: kworker/0:1 Tainted: G W 6.0.0-rc7-next-20220929 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: events_power_efficient gc_worker RIP: 0010:perf_group_detach+0x9c7/0x12f0 Code: ff 0f 0b e9 a9 f8 ff ff e8 86 4e ee ff 65 8b 1d 6b b7 aa 7e 31 ff 89 de e8 26 4b ee ff 85 db 0f 84 86 04 00 00 e8 69 4e ee ff <0f> 0b e9 0e fa ff ff e8 5d 4e ee ff 48 8b 7c 24 20 48 81 c7 f8 00 RSP: 0018:ffff88806ce09e60 EFLAGS: 00010046 RAX: 0000000080010001 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888008615040 RSI: ffffffff8157be67 RDI: 0000000000000005 RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865b401b R12: ffff888008660000 R13: ffff888008660000 R14: ffff88806ce3d2c0 R15: ffff888008660000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000003f1d6000 CR4: 0000000000350ef0 Call Trace: __perf_remove_from_context+0x71e/0xb20 event_function+0x297/0x3d0 remote_function+0x125/0x1b0 __flush_smp_call_function_queue+0x1df/0x5a0 __sysvec_call_function_single+0x92/0x3a0 sysvec_call_function_single+0x89/0xc0 asm_sysvec_call_function_single+0x16/0x20 RIP: 0010:gc_worker+0xd57/0x18b0 Code: 00 00 00 48 c7 c7 88 a8 b0 85 e8 44 20 cf fd 48 8b b4 24 00 01 00 00 48 c7 c7 88 a8 b0 85 e8 e0 18 cf fd e8 cb e1 f1 fd fb 59 63 f5 ff ff e8 7f 09 eb fd e8 ba 11 ca 00 31 ff 41 89 c7 89 c6 RSP: 0018:ffff888008637c20 EFLAGS: 00000202 RAX: 0000000000050123 RBX: 0000000000000200 RCX: ffffffff811c4d87 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000001 R09: ffffffff86cd3827 R10: fffffbfff0d9a704 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000010000 R15: 0000000000010000 process_one_work+0xa17/0x16a0 worker_thread+0x637/0x1260 kthread+0x2ed/0x3a0 ret_from_fork+0x22/0x30 irq event stamp: 327972 hardirqs last enabled at (327971): [] gc_worker+0xd55/0x18b0 hardirqs last disabled at (327972): [] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (323818): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (323811): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 12 at kernel/events/core.c:655 perf_event_update_sibling_time+0xd5/0x4d0 Modules linked in: CPU: 0 PID: 12 Comm: kworker/0:1 Tainted: G W 6.0.0-rc7-next-20220929 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Workqueue: events_power_efficient gc_worker RIP: 0010:perf_event_update_sibling_time+0xd5/0x4d0 Code: 5e 41 5f e9 0d f0 f0 ff e8 08 f0 f0 ff 65 8b 1d ed 58 ad 7e 31 ff 89 de e8 a8 ec f0 ff 85 db 0f 84 d3 02 00 00 e8 eb ef f0 ff <0f> 0b eb 97 e8 e2 ef f0 ff 48 8d 7d 10 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffff88806ce09e58 EFLAGS: 00010046 RAX: 0000000080010001 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888008615040 RSI: ffffffff81551ce5 RDI: 0000000000000005 RBP: ffff888008660000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865b401b R12: 0000000000000000 R13: ffff8880086600a8 R14: 0000000000000001 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000003f1d6000 CR4: 0000000000350ef0 Call Trace: list_del_event+0x524/0x860 __perf_remove_from_context+0xd2/0xb20 event_function+0x297/0x3d0 remote_function+0x125/0x1b0 __flush_smp_call_function_queue+0x1df/0x5a0 __sysvec_call_function_single+0x92/0x3a0 sysvec_call_function_single+0x89/0xc0 asm_sysvec_call_function_single+0x16/0x20 RIP: 0010:gc_worker+0xd57/0x18b0 Code: 00 00 00 48 c7 c7 88 a8 b0 85 e8 44 20 cf fd 48 8b b4 24 00 01 00 00 48 c7 c7 88 a8 b0 85 e8 e0 18 cf fd e8 cb e1 f1 fd fb 59 63 f5 ff ff e8 7f 09 eb fd e8 ba 11 ca 00 31 ff 41 89 c7 89 c6 RSP: 0018:ffff888008637c20 EFLAGS: 00000202 RAX: 0000000000050123 RBX: 0000000000000200 RCX: ffffffff811c4d87 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000001 R09: ffffffff86cd3827 R10: fffffbfff0d9a704 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000010000 R15: 0000000000010000 process_one_work+0xa17/0x16a0 worker_thread+0x637/0x1260 kthread+0x2ed/0x3a0 ret_from_fork+0x22/0x30 irq event stamp: 327972 hardirqs last enabled at (327971): [] gc_worker+0xd55/0x18b0 hardirqs last disabled at (327972): [] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (323818): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (323811): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- loop2: detected capacity change from 0 to 16383 ------------[ cut here ]------------ ====================================================== ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 00 00 add %al,(%rax) 2: 48 c7 c7 88 a8 b0 85 mov $0xffffffff85b0a888,%rdi 9: e8 44 20 cf fd callq 0xfdcf2052 e: 48 8b b4 24 00 01 00 mov 0x100(%rsp),%rsi 15: 00 16: 48 c7 c7 88 a8 b0 85 mov $0xffffffff85b0a888,%rdi 1d: e8 e0 18 cf fd callq 0xfdcf1902 22: e8 cb e1 f1 fd callq 0xfdf1e1f2 27: fb sti 28: 59 pop %rcx * 29: e9 63 f5 ff ff jmpq 0xfffff591 <-- trapping instruction 2e: e8 7f 09 eb fd callq 0xfdeb09b2 33: e8 ba 11 ca 00 callq 0xca11f2 38: 31 ff xor %edi,%edi 3a: 41 89 c7 mov %eax,%r15d 3d: 89 c6 mov %eax,%esi