Following kernel BUG noticed while running perf testing on qemu-x86-64.
Reported-by: Linux Kernel Functional Testing lkft@linaro.org
--- start --- test child forked, pid 528 Using CPUID AuthenticAMD-23-1-2 /usr/libexec/perf-core/tests/attr.py:142: DeprecationWarning: The SafeConfigParser class has been renamed to ConfigParser in Python 3.2. This alias will be removed in Python 3.12. Use ConfigParser directly instead. parser = configparser.SafeConfigParser() running '/usr/libexec/perf-core/tests/attr/test-record-graph-default-aarch64' test limitation 'aarch64' /usr/libexec/perf-core/tests/attr.py:201: DeprecationWarning: The SafeConfigParser class has been renamed to ConfigParser in Python 3.2. This alias will be removed in Python 3.12. Use ConfigParser directly instead. parser_event = configparser.SafeConfigParser() /usr/libexec/perf-core/tests/attr.py:215: DeprecationWarning: The SafeConfigParser class has been renamed to ConfigParser in Python 3.2. This alias will be removed in Python 3.12. Use ConfigParser directly instead. parser_base = configparser.SafeConfigParser() skipped [x86_64] '/usr/libexec/perf-core/tests/attr/test-record-graph-default-aarch64' running '/usr/libexec/perf-core/tests/attr/test-record-group2' running '/usr/libexec/perf-core/tests/attr/test-record-C0' running '/usr/libexec/perf-core/tests/attr/test-record-spe-period' test limitation 'aarch64' skipped [x86_64] '/usr/libexec/perf-core/tests/attr/test-record-spe-period' running '/usr/libexec/perf-core/tests/attr/test-record-period' [ 198.864607] perf: interrupt took too long (11296 > 11195), lowering kernel.perf_event_max_sample_rate to 17000 [ 198.867588] perf: interrupt took too long (14200 > 14120), lowering kernel.perf_event_max_sample_rate to 14000 [ 198.871230] perf: interrupt took too long (17803 > 17750), lowering kernel.perf_event_max_sample_rate to 11000 [ 198.878141] perf: interrupt took too long (22268 > 22253), lowering kernel.perf_event_max_sample_rate to 8000 running '/usr/libexec/perf-core/tests/attr/test-record-branch-any' unsupp '/usr/libexec/perf-core/tests/attr/test-record-branch-any' running '/usr/libexec/perf-core/tests/attr/test-record-branch-filter-any_call' unsupp '/usr/libexec/perf-core/tests/attr/test-record-branch-filter-any_call' running '/usr/libexec/perf-core/tests/attr/test-stat-C0' running '/usr/libexec/perf-core/tests/attr/test-record-no-samples' running '/usr/libexec/perf-core/tests/attr/test-record-spe-period-term' test limitation 'aarch64' skipped [x86_64] '/usr/libexec/perf-core/tests/attr/test-record-spe-period-term' running '/usr/libexec/perf-core/tests/attr/test-stat-no-inherit' running '/usr/libexec/perf-core/tests/attr/test-stat-detailed-1' running '/usr/libexec/perf-core/tests/attr/test-record-count' running '/usr/libexec/perf-core/tests/attr/test-record-data' running '/usr/libexec/perf-core/tests/attr/test-record-raw' running '/usr/libexec/perf-core/tests/attr/test-stat-default' running '/usr/libexec/perf-core/tests/attr/test-record-branch-filter-ind_call' unsupp '/usr/libexec/perf-core/tests/attr/test-record-branch-filter-ind_call' running '/usr/libexec/perf-core/tests/attr/test-record-group' [ 204.124863] BUG: kernel NULL pointer dereference, address: 0000000000000198 [ 204.125878] #PF: supervisor read access in kernel mode [ 204.126482] #PF: error_code(0x0000) - not-present page [ 204.127127] PGD 0 P4D 0 [ 204.127435] Oops: 0000 [#1] PREEMPT SMP NOPTI [ 204.127939] CPU: 3 PID: 574 Comm: perf-exec Not tainted 6.0.3-rc1 #1 [ 204.128711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 204.129619] RIP: 0010:x86_pmu_enable_event+0x43/0x130 [ 204.130246] Code: af e8 51 78 0e 01 65 8b 05 6a fe 40 52 85 c0 75 0d 5b 41 5c 41 5d 41 5e 5d e9 69 dc 3f 01 48 c7 c7 6b b4 76 af e8 2d 78 0e 01 <8b> 8b 98 01 00 00 65 4c 8b 25 47 0f 41 52 85 c9 0f 85 ab 00 00 00 [ 204.132695] RSP: 0018:ffff9cc040857be8 EFLAGS: 00010092 [ 204.133418] RAX: 0000000000000003 RBX: 0000000000000000 RCX: 00000000c0010200 [ 204.134401] RDX: 0000000000000000 RSI: ffffffffaf76b46b RDI: ffffffffaf6bbc6f [ 204.135398] RBP: ffff9cc040857c08 R08: 0000002f86b5dc60 R09: ffff9cc040857a38 [ 204.136413] R10: 0000000000000002 R11: ffffffffaff970a0 R12: ffff8f663bd95c20 [ 204.137385] R13: ffff8f663bd95e20 R14: 0000000000000002 R15: 00000000c0010201 [ 204.138235] FS: 00007fe3226d77c0(0000) GS:ffff8f663bd80000(0000) knlGS:0000000000000000 [ 204.139133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 204.139842] CR2: 0000000000000198 CR3: 00000001056a2000 CR4: 00000000003506e0 [ 204.140801] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 204.141744] DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 [ 204.142731] Call Trace: [ 204.143082] <TASK> [ 204.143406] amd_pmu_enable_all+0x4b/0x70 [ 204.143974] x86_pmu_enable+0x17c/0x320 [ 204.144530] ctx_resched+0xcb/0x110 [ 204.145016] perf_event_exec+0x384/0x460 [ 204.145575] begin_new_exec+0x5f7/0xb90 [ 204.146471] load_elf_binary+0xa82/0x17a0 [ 204.147042] ? __kernel_read+0x15a/0x250 [ 204.147661] ? __kernel_read+0x15a/0x250 [ 204.148196] ? trace_preempt_off+0x29/0xc0 [ 204.148764] ? trace_preempt_on+0x29/0xc0 [ 204.149206] ? load_misc_binary+0x215/0x290 [ 204.149656] bprm_execve+0x283/0x680 [ 204.150054] do_execveat_common.isra.0+0x19f/0x220 [ 204.150671] __x64_sys_execve+0x37/0x50 [ 204.151204] do_syscall_64+0x3b/0x90 [ 204.151703] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 204.152450] RIP: 0033:0x7fe321cd925b [ 204.152988] Code: Unable to access opcode bytes at RIP 0x7fe321cd9231. [ 204.153870] RSP: 002b:00007ffc5a199828 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 204.154865] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe321cd925b [ 204.155828] RDX: 0000000002809980 RSI: 00007ffc5a19f100 RDI: 00007ffc5a199830 [ 204.156765] RBP: 00007ffc5a199940 R08: 0000000000000fff R09: 00000000027c9bff [ 204.157768] R10: 00007fe321c14680 R11: 0000000000000202 R12: 00007ffc5a19f100 [ 204.158671] R13: 0000000002809980 R14: 00007ffc5a1a0d59 R15: 00000000027c9bfb [ 204.159451] </TASK> [ 204.159749] Modules linked in: [ 204.160204] CR2: 0000000000000198 [ 204.160696] ---[ end trace 0000000000000000 ]--- [ 204.161347] RIP: 0010:x86_pmu_enable_event+0x43/0x130 [ 204.162056] Code: af e8 51 78 0e 01 65 8b 05 6a fe 40 52 85 c0 75 0d 5b 41 5c 41 5d 41 5e 5d e9 69 dc 3f 01 48 c7 c7 6b b4 76 af e8 2d 78 0e 01 <8b> 8b 98 01 00 00 65 4c 8b 25 47 0f 41 52 85 c9 0f 85 ab 00 00 00 [ 204.164521] RSP: 0018:ffff9cc040857be8 EFLAGS: 00010092 [ 204.165287] RAX: 0000000000000003 RBX: 0000000000000000 RCX: 00000000c0010200 [ 204.166284] RDX: 0000000000000000 RSI: ffffffffaf76b46b RDI: ffffffffaf6bbc6f [ 204.167167] RBP: ffff9cc040857c08 R08: 0000002f86b5dc60 R09: ffff9cc040857a38 [ 204.167958] R10: 0000000000000002 R11: ffffffffaff970a0 R12: ffff8f663bd95c20 [ 204.168957] R13: ffff8f663bd95e20 R14: 0000000000000002 R15: 00000000c0010201 [ 204.170005] FS: 00007fe3226d77c0(0000) GS:ffff8f663bd80000(0000) knlGS:0000000000000000 [ 204.171106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 204.171924] CR2: 00007fe321cd9231 CR3: 00000001056a2000 CR4: 00000000003506e0 [ 204.172942] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 204.173924] DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 [ 204.174986] note: perf-exec[574] exited with preempt_count 2 [ 225.122265] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 225.123795] rcu: 3-...0: (2 ticks this GP) idle=0cfc/1/0x4000000000000000 softirq=4348/4348 fqs=5211 [ 225.125479] (detected by 2, t=21004 jiffies, g=9861, q=182 ncpus=4) [ 225.126647] Sending NMI from CPU 2 to CPUs 3: [ 225.127690] NMI backtrace for cpu 3 [ 225.127728] CPU: 3 PID: 574 Comm: perf-exec Tainted: G D 6.0.3-rc1 #1 [ 225.127748] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 225.127769] RIP: 0010:queued_spin_lock_slowpath+0x3b/0x2f0 [ 225.127883] Code: fc 53 66 90 ba 01 00 00 00 41 8b 04 24 85 c0 75 17 f0 41 0f b1 14 24 85 c0 75 ee 5b 41 5c 41 5d 41 5e 5d e9 c7 7f 1c 01 f3 90 <eb> dd 81 fe 00 01 00 00 74 57 40 30 f6 85 f6 75 7b f0 41 0f ba 2c [ 225.127887] RSP: 0018:ffff9cc040130dd8 EFLAGS: 00000002 [ 225.127901] RAX: 0000000000000001 RBX: ffff8f660089b400 RCX: ffff8f663bda6ac0 [ 225.127905] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8f660089b408 [ 225.127908] RBP: ffff9cc040130df8 R08: ffff8f66027f1900 R09: 000000000000010b [ 225.127910] R10: 0000000000000033 R11: 0000000000000227 R12: ffff8f660089b408 [ 225.127913] R13: ffff8f663bda6a90 R14: 0000000000026ac0 R15: ffff8f660089b408 [ 225.127920] FS: 00007fe3226d77c0(0000) GS:ffff8f663bd80000(0000) knlGS:0000000000000000 [ 225.127927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 225.127931] CR2: 00007fe321cd9231 CR3: 00000001056a2000 CR4: 00000000003506e0 [ 225.127933] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 225.127935] DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 [ 225.127947] Call Trace: [ 225.127952] <IRQ> [ 225.127969] _raw_spin_lock+0x3b/0x50 [ 225.128018] perf_event_task_tick+0xa2/0x3d0 [ 225.128059] ? task_tick_fair+0x76/0x2d0 [ 225.128073] scheduler_tick+0xda/0x280 [ 225.128082] update_process_times+0x95/0xb0 [ 225.128116] tick_sched_handle+0x38/0x50 [ 225.128138] tick_sched_timer+0x7b/0xa0 [ 225.128144] ? tick_sched_do_timer+0xa0/0xa0 [ 225.128149] __hrtimer_run_queues+0xa7/0x300 [ 225.128157] hrtimer_interrupt+0x110/0x230 [ 225.128163] __sysvec_apic_timer_interrupt+0x84/0x170 [ 225.128187] sysvec_apic_timer_interrupt+0xab/0xd0 [ 225.128210] </IRQ> [ 225.128213] <TASK> [ 225.128216] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 225.128222] RIP: 0010:_raw_spin_unlock_irq+0x17/0x40 [ 225.128230] Code: e9 be b8 30 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 55 48 89 e5 c6 07 00 e8 df 9d 1f ff fb bf 01 00 00 00 <e8> 34 45 11 ff 65 8b 05 4d 29 32 51 85 c0 74 06 5d e9 83 b8 30 00 [ 225.128235] RSP: 0018:ffff9cc040857ec8 EFLAGS: 00000246 [ 225.128239] RAX: 0000000000000000 RBX: ffff8f66021c2080 RCX: 0000000080000000 [ 225.128254] RDX: 0000000000000001 RSI: ffffffffaddd9a56 RDI: 0000000000000001 [ 225.128257] RBP: ffff9cc040857ec8 R08: ffffffffafb60cc8 R09: 00000000ffffdfff [ 225.128270] R10: ffffffffafa80ce0 R11: ffffffffafb30ce0 R12: 0000000000000000 [ 225.128275] R13: 0000000000000009 R14: ffff9cc040857b38 R15: 0000000000000046 [ 225.128283] ? do_exit+0x66/0xae0 [ 225.128331] ? _raw_spin_unlock_irq+0x11/0x40 [ 225.128338] do_exit+0x66/0xae0 [ 225.128347] make_task_dead+0x5a/0x60 [ 225.128355] rewind_stack_and_make_dead+0x17/0x20 [ 225.128384] RIP: 0033:0x7fe321cd925b [ 225.128461] Code: Unable to access opcode bytes at RIP 0x7fe321cd9231. [ 225.128463] RSP: 002b:00007ffc5a199828 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 225.128469] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe321cd925b [ 225.128472] RDX: 0000000002809980 RSI: 00007ffc5a19f100 RDI: 00007ffc5a199830 [ 225.128475] RBP: 00007ffc5a199940 R08: 0000000000000fff R09: 00000000027c9bff [ 225.128477] R10: 00007fe321c14680 R11: 0000000000000202 R12: 00007ffc5a19f100 [ 225.128479] R13: 0000000002809980 R14: 00007ffc5a1a0d59 R15: 00000000027c9bfb [ 225.128487] </TASK> [ 288.133586] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 288.137745] rcu: 3-...0: (2 ticks this GP) idle=0cfc/1/0x4000000000000000 softirq=4348/4348 fqs=20510 [ 288.138774] (detected by 1, t=84019 jiffies, g=9861, q=349 ncpus=4) [ 288.139441] Sending NMI from CPU 1 to CPUs 3: [ 288.140110] NMI backtrace for cpu 3 [ 288.140118] CPU: 3 PID: 574 Comm: perf-exec Tainted: G D 6.0.3-rc1 #1 [ 288.140124] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 288.140129] RIP: 0010:queued_spin_lock_slowpath+0x3b/0x2f0 [ 288.140140] Code: fc 53 66 90 ba 01 00 00 00 41 8b 04 24 85 c0 75 17 f0 41 0f b1 14 24 85 c0 75 ee 5b 41 5c 41 5d 41 5e 5d e9 c7 7f 1c 01 f3 90 <eb> dd 81 fe 00 01 00 00 74 57 40 30 f6 85 f6 75 7b f0 41 0f ba 2c [ 288.140143] RSP: 0018:ffff9cc040130dd8 EFLAGS: 00000002 [ 288.140146] RAX: 0000000000000001 RBX: ffff8f660089b400 RCX: ffff8f663bda6ac0 [ 288.140148] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8f660089b408 [ 288.140148] RBP: ffff9cc040130df8 R08: ffff8f66027f1900 R09: 000000000000010b [ 288.140149] R10: 0000000000000033 R11: 0000000000000227 R12: ffff8f660089b408 [ 288.140150] R13: ffff8f663bda6a90 R14: 0000000000026ac0 R15: ffff8f660089b408 [ 288.140154] FS: 00007fe3226d77c0(0000) GS:ffff8f663bd80000(0000) knlGS:0000000000000000 [ 288.140157] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 288.140158] CR2: 00007fe321cd9231 CR3: 00000001056a2000 CR4: 00000000003506e0 [ 288.140159] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 288.140160] DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 [ 288.140161] Call Trace: [ 288.140165] <IRQ> [ 288.140170] _raw_spin_lock+0x3b/0x50 [ 288.140174] perf_event_task_tick+0xa2/0x3d0 [ 288.140179] ? task_tick_fair+0x76/0x2d0 [ 288.140182] scheduler_tick+0xda/0x280 [ 288.140185] update_process_times+0x95/0xb0 [ 288.140189] tick_sched_handle+0x38/0x50 [ 288.140197] tick_sched_timer+0x7b/0xa0 [ 288.140199] ? tick_sched_do_timer+0xa0/0xa0 [ 288.140202] __hrtimer_run_queues+0xa7/0x300 [ 288.140204] hrtimer_interrupt+0x110/0x230 [ 288.140206] __sysvec_apic_timer_interrupt+0x84/0x170 [ 288.140211] sysvec_apic_timer_interrupt+0xab/0xd0 [ 288.140224] </IRQ> [ 288.140224] <TASK> [ 288.140225] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 288.140227] RIP: 0010:_raw_spin_unlock_irq+0x17/0x40 [ 288.140229] Code: e9 be b8 30 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 55 48 89 e5 c6 07 00 e8 df 9d 1f ff fb bf 01 00 00 00 <e8> 34 45 11 ff 65 8b 05 4d 29 32 51 85 c0 74 06 5d e9 83 b8 30 00 [ 288.140231] RSP: 0018:ffff9cc040857ec8 EFLAGS: 00000246 [ 288.140232] RAX: 0000000000000000 RBX: ffff8f66021c2080 RCX: 0000000080000000 [ 288.140233] RDX: 0000000000000001 RSI: ffffffffaddd9a56 RDI: 0000000000000001 [ 288.140234] RBP: ffff9cc040857ec8 R08: ffffffffafb60cc8 R09: 00000000ffffdfff [ 288.140235] R10: ffffffffafa80ce0 R11: ffffffffafb30ce0 R12: 0000000000000000 [ 288.140236] R13: 0000000000000009 R14: ffff9cc040857b38 R15: 0000000000000046 [ 288.140238] ? do_exit+0x66/0xae0 [ 288.140242] ? _raw_spin_unlock_irq+0x11/0x40 [ 288.140248] do_exit+0x66/0xae0 [ 288.140251] make_task_dead+0x5a/0x60 [ 288.140253] rewind_stack_and_make_dead+0x17/0x20 [ 288.140256] RIP: 0033:0x7fe321cd925b [ 288.140270] Code: Unable to access opcode bytes at RIP 0x7fe321cd9231. [ 288.140271] RSP: 002b:00007ffc5a199828 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 288.140273] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe321cd925b [ 288.140274] RDX: 0000000002809980 RSI: 00007ffc5a19f100 RDI: 00007ffc5a199830 [ 288.140275] RBP: 00007ffc5a199940 R08: 0000000000000fff R09: 00000000027c9bff [ 288.140276] R10: 00007fe321c14680 R11: 0000000000000202 R12: 00007ffc5a19f100 [ 288.140277] R13: 0000000002809980 R14: 00007ffc5a1a0d59 R15: 00000000027c9bfb [ 288.140279] </TASK> [ 351.145086] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 351.147106] rcu: 3-...0: (2 ticks this GP) idle=0cfc/1/0x4000000000000000 softirq=4348/4348 fqs=35304 [ 351.149375] (detected by 0, t=147026 jiffies, g=9861, q=650 ncpus=4) [ 351.150955] Sending NMI from CPU 0 to CPUs 3: [ 351.152253] NMI backtrace for cpu 3 [ 351.152273] CPU: 3 PID: 574 Comm: perf-exec Tainted: G D 6.0.3-rc1 #1 [ 351.152282] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 351.152296] RIP: 0010:queued_spin_lock_slowpath+0x3b/0x2f0 [ 351.152356] Code: fc 53 66 90 ba 01 00 00 00 41 8b 04 24 85 c0 75 17 f0 41 0f b1 14 24 85 c0 75 ee 5b 41 5c 41 5d 41 5e 5d e9 c7 7f 1c 01 f3 90 <eb> dd 81 fe 00 01 00 00 74 57 40 30 f6 85 f6 75 7b f0 41 0f ba 2c [ 351.152359] RSP: 0018:ffff9cc040130dd8 EFLAGS: 00000002 [ 351.152365] RAX: 0000000000000001 RBX: ffff8f660089b400 RCX: ffff8f663bda6ac0 [ 351.152367] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8f660089b408 [ 351.152369] RBP: ffff9cc040130df8 R08: ffff8f66027f1900 R09: 000000000000010b [ 351.152370] R10: 0000000000000033 R11: 0000000000000227 R12: ffff8f660089b408 [ 351.152371] R13: ffff8f663bda6a90 R14: 0000000000026ac0 R15: ffff8f660089b408 [ 351.152375] FS: 00007fe3226d77c0(0000) GS:ffff8f663bd80000(0000) knlGS:0000000000000000 [ 351.152381] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 351.152382] CR2: 00007fe321cd9231 CR3: 00000001056a2000 CR4: 00000000003506e0 [ 351.152384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 351.152384] DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 [ 351.152388] Call Trace: [ 351.152392] <IRQ> [ 351.152399] _raw_spin_lock+0x3b/0x50 [ 351.152421] perf_event_task_tick+0xa2/0x3d0 [ 351.152439] ? task_tick_fair+0x76/0x2d0 [ 351.152446] scheduler_tick+0xda/0x280 [ 351.152451] update_process_times+0x95/0xb0 [ 351.152463] tick_sched_handle+0x38/0x50 [ 351.152471] tick_sched_timer+0x7b/0xa0 [ 351.152473] ? tick_sched_do_timer+0xa0/0xa0 [ 351.152475] __hrtimer_run_queues+0xa7/0x300 [ 351.152478] hrtimer_interrupt+0x110/0x230 [ 351.152480] __sysvec_apic_timer_interrupt+0x84/0x170 [ 351.152490] sysvec_apic_timer_interrupt+0xab/0xd0 [ 351.152494] </IRQ> [ 351.152495] <TASK> [ 351.152496] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 351.152498] RIP: 0010:_raw_spin_unlock_irq+0x17/0x40 [ 351.152500] Code: e9 be b8 30 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 55 48 89 e5 c6 07 00 e8 df 9d 1f ff fb bf 01 00 00 00 <e8> 34 45 11 ff 65 8b 05 4d 29 32 51 85 c0 74 06 5d e9 83 b8 30 00 [ 351.152501] RSP: 0018:ffff9cc040857ec8 EFLAGS: 00000246 [ 351.152503] RAX: 0000000000000000 RBX: ffff8f66021c2080 RCX: 0000000080000000 [ 351.152504] RDX: 0000000000000001 RSI: ffffffffaddd9a56 RDI: 0000000000000001 [ 351.152505] RBP: ffff9cc040857ec8 R08: ffffffffafb60cc8 R09: 00000000ffffdfff [ 351.152506] R10: ffffffffafa80ce0 R11: ffffffffafb30ce0 R12: 0000000000000000 [ 351.152507] R13: 0000000000000009 R14: ffff9cc040857b38 R15: 0000000000000046 [ 351.152509] ? do_exit+0x66/0xae0 [ 351.152524] ? _raw_spin_unlock_irq+0x11/0x40 [ 351.152525] do_exit+0x66/0xae0 [ 351.152528] make_task_dead+0x5a/0x60 [ 351.152531] rewind_stack_and_make_dead+0x17/0x20 [ 351.152540] RIP: 0033:0x7fe321cd925b [ 351.152576] Code: Unable to access opcode bytes at RIP 0x7fe321cd9231. [ 351.152581] RSP: 002b:00007ffc5a199828 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 351.152583] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe321cd925b [ 351.152584] RDX: 0000000002809980 RSI: 00007ffc5a19f100 RDI: 00007ffc5a199830 [ 351.152585] RBP: 00007ffc5a199940 R08: 0000000000000fff R09: 00000000027c9bff [ 351.152586] R10: 00007fe321c14680 R11: 0000000000000202 R12: 00007ffc5a19f100 [ 351.152586] R13: 0000000002809980 R14: 00007ffc5a1a0d59 R15: 00000000027c9bfb [ 351.152589] </TASK> [ 414.154511] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 414.156284] rcu: 3-...0: (2 ticks this GP) idle=0cfc/1/0x4000000000000000 softirq=4348/4348 fqs=51040 [ 414.166067] (detected by 0, t=210046 jiffies, g=9861, q=959 ncpus=4) [ 414.167261] Sending NMI from CPU 0 to CPUs 3: [ 414.168168] NMI backtrace for cpu 3 [ 414.168180] CPU: 3 PID: 574 Comm: perf-exec Tainted: G D 6.0.3-rc1 #1 [ 414.168192] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 414.168196] RIP: 0010:queued_spin_lock_slowpath+0x3b/0x2f0 [ 414.168219] Code: fc 53 66 90 ba 01 00 00 00 41 8b 04 24 85 c0 75 17 f0 41 0f b1 14 24 85 c0 75 ee 5b 41 5c 41 5d 41 5e 5d e9 c7 7f 1c 01 f3 90 <eb> dd 81 fe 00 01 00 00 74 57 40 30 f6 85 f6 75 7b f0 41 0f ba 2c [ 414.168222] RSP: 0018:ffff9cc040130dd8 EFLAGS: 00000002 [ 414.168225] RAX: 0000000000000001 RBX: ffff8f660089b400 RCX: ffff8f663bda6ac0 [ 414.168227] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8f660089b408 [ 414.168228] RBP: ffff9cc040130df8 R08: ffff8f66027f1900 R09: 000000000000010b [ 414.168230] R10: 0000000000000033 R11: 0000000000000227 R12: ffff8f660089b408 [ 414.168231] R13: ffff8f663bda6a90 R14: 0000000000026ac0 R15: ffff8f660089b408 [ 414.168234] FS: 00007fe3226d77c0(0000) GS:ffff8f663bd80000(0000) knlGS:0000000000000000 [ 414.168237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 414.168238] CR2: 00007fe321cd9231 CR3: 00000001056a2000 CR4: 00000000003506e0 [ 414.168239] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 414.168241] DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 [ 414.168242] Call Trace: [ 414.168244] <IRQ> [ 414.168251] _raw_spin_lock+0x3b/0x50 [ 414.168259] perf_event_task_tick+0xa2/0x3d0 [ 414.168265] ? task_tick_fair+0x76/0x2d0 [ 414.168270] scheduler_tick+0xda/0x280 [ 414.168275] update_process_times+0x95/0xb0 [ 414.168288] tick_sched_handle+0x38/0x50 [ 414.168292] tick_sched_timer+0x7b/0xa0 [ 414.168294] ? tick_sched_do_timer+0xa0/0xa0 [ 414.168297] __hrtimer_run_queues+0xa7/0x300 [ 414.168299] hrtimer_interrupt+0x110/0x230 [ 414.168301] __sysvec_apic_timer_interrupt+0x84/0x170 [ 414.168315] sysvec_apic_timer_interrupt+0xab/0xd0 [ 414.168392] </IRQ> [ 414.168392] <TASK> [ 414.168393] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 414.168396] RIP: 0010:_raw_spin_unlock_irq+0x17/0x40
[1] https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.0.y/build/v6.0-91... [2] https://lkft.validation.linaro.org/scheduler/job/5708609#L18779
metadata: git_ref: linux-6.0.y git_repo: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc git_sha: 84429734035197a6ab8e79c852d5e4e6ed744703 git_describe: v6.0-916-g844297340351 kernel_version: 6.0.3-rc1 kernel-config: https://builds.tuxbuild.com/2GMZJJEvy18jDgLO4utw6cOelj3/config build-url: https://gitlab.com/mrchapp/linux/-/pipelines/671394419 artifact-location: https://builds.tuxbuild.com/2GMZJJEvy18jDgLO4utw6cOelj3 toolchain: gcc-11
-- Linaro LKFT https://lkft.linaro.org