[ 9.368124][ T208] ip (208) used greatest stack depth: 24448 bytes left [ 9.368140][ T208] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.368142][ T208] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 208, name: ip [ 9.368144][ T208] preempt_count: 2, expected: 0 [ 9.368145][ T208] RCU nest depth: 0, expected: 0 [ 9.368146][ T208] locks held by ip/208: 5, last CPU#1: [ 9.368148][ T208] #0: ffffffff876167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.368158][ T208] #1: ffffffff8777ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.368163][ T208] #2: ffffffff8777de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.368167][ T208] #3: ffffffff8769d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.368171][ T208] #4: ffffffff8769d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.368175][ T208] irq event stamp: 25928 [ 9.368176][ T208] hardirqs last enabled at (25927): [] __down_trylock_console_sem+0x86/0xa0 [ 9.368179][ T208] hardirqs last disabled at (25928): [] console_emit_next_record+0x3d4/0x4c0 [ 9.368181][ T208] softirqs last enabled at (25270): [] handle_softirqs+0x67c/0x900 [ 9.368183][ T208] softirqs last disabled at (25261): [] __irq_exit_rcu+0x145/0x1c0 [ 9.368186][ T208] Preemption disabled at: [ 9.368187][ T208] [<0000000000000000>] 0x0 [ 9.368193][ T208] CPU: 1 UID: 0 PID: 208 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.368196][ T208] Tainted: [W]=WARN [ 9.368197][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.368198][ T208] Call Trace: [ 9.368200][ T208] [ 9.368201][ T208] dump_stack_lvl+0x6f/0xa0 [ 9.368208][ T208] __might_resched.cold+0x1fe/0x2c1 [ 9.368215][ T208] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.368219][ T208] ? __kmalloc_noprof+0xdb/0x760 [ 9.368223][ T208] __kmalloc_noprof+0x443/0x760 [ 9.368225][ T208] ? alloc_buf.isra.0+0x4b/0x260 [ 9.368232][ T208] ? do_raw_spin_unlock+0x59/0x250 [ 9.368235][ T208] alloc_buf.isra.0+0x4b/0x260 [ 9.368238][ T208] put_chars+0x1e1/0x2f0 [ 9.368241][ T208] ? __send_to_port+0x420/0x420 [ 9.368242][ T208] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.368245][ T208] ? validate_chain+0x38b/0xc20 [ 9.368251][ T208] hvc_console_print+0x292/0x780 [ 9.368258][ T208] ? hvc_write+0x3a0/0x3a0 [ 9.368261][ T208] ? rcu_is_watching+0x16/0xd0 [ 9.368263][ T208] ? lock_acquire+0x13c/0x160 [ 9.368266][ T208] console_emit_next_record+0x22f/0x4c0 [ 9.368271][ T208] ? devkmsg_read+0x4b0/0x4b0 [ 9.368272][ T208] ? console_flush_one_record+0x106/0x710 [ 9.368275][ T208] ? rcu_is_watching+0x16/0xd0 [ 9.368277][ T208] ? lock_acquire+0x13c/0x160 [ 9.368281][ T208] console_flush_one_record+0x46f/0x710 [ 9.368285][ T208] ? console_emit_next_record+0x4c0/0x4c0 [ 9.368287][ T208] ? __lock_acquire+0x518/0xc20 [ 9.368292][ T208] console_unlock+0xee/0x1f0 [ 9.368295][ T208] ? console_flush_one_record+0x710/0x710 [ 9.368297][ T208] ? rcu_is_watching+0x16/0xd0 [ 9.368299][ T208] ? lock_acquire+0xe0/0x160 [ 9.368302][ T208] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.368304][ T208] ? vprintk_emit+0x320/0x3e0 [ 9.368307][ T208] vprintk_emit+0x37c/0x3e0 [ 9.368310][ T208] ? wake_up_klogd_work_func+0x90/0x90 [ 9.368313][ T208] ? __lock_acquire+0x518/0xc20 [ 9.368316][ T208] _printk+0xc7/0x100 [ 9.368320][ T208] ? snapshot_read.cold+0x21/0x21 [ 9.368323][ T208] ? do_raw_spin_lock+0x131/0x280 [ 9.368325][ T208] ? __rwlock_init+0x150/0x150 [ 9.368329][ T208] ? do_raw_spin_lock+0x131/0x280 [ 9.368332][ T208] do_exit.cold+0x82/0x9c [ 9.368335][ T208] ? exit_notify+0x890/0x890 [ 9.368336][ T208] ? __lock_release.isra.0+0x69/0x1a0 [ 9.368339][ T208] ? rcu_is_watching+0x16/0xd0 [ 9.368343][ T208] do_group_exit+0xb8/0x370 [ 9.368345][ T208] __x64_sys_exit_group+0x3c/0x50 [ 9.368347][ T208] x64_sys_call+0x1567/0x1570 [ 9.368350][ T208] do_syscall_64+0xff/0x530 [ 9.368354][ T208] ? exc_page_fault+0xee/0x100 [ 9.368356][ T208] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.368358][ T208] RIP: 0033:0x7f438a0cd1b8 [ 9.368360][ T208] Code: Unable to access opcode bytes at 0x7f438a0cd18e. [ 9.368362][ T208] RSP: 002b:00007ffc1d163b58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.368364][ T208] RAX: ffffffffffffffda RBX: 00007f438a1fdf88 RCX: 00007f438a0cd1b8 [ 9.368365][ T208] RDX: 00007f4389e17fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.368366][ T208] RBP: 00007ffc1d163bb0 R08: 0000000000000000 R09: 0000000000000050 [ 9.368367][ T208] R10: 00007ffc1d163970 R11: 0000000000000246 R12: 0000000000000001 [ 9.368368][ T208] R13: 0000000000000000 R14: 00007f438a1fc680 R15: 00007f438a1fdfa0 [ 9.368375][ T208] [ 15.709995][ T262] udpgso_bench_tx (262) used greatest stack depth: 24408 bytes left [ 15.710015][ T262] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.710017][ T262] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 262, name: udpgso_bench_tx [ 15.710018][ T262] preempt_count: 2, expected: 0 [ 15.710019][ T262] RCU nest depth: 0, expected: 0 [ 15.710020][ T262] locks held by udpgso_bench_tx/262: 5, last CPU#1: [ 15.710022][ T262] #0: ffffffff876167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 15.710033][ T262] #1: ffffffff8777ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.710038][ T262] #2: ffffffff8777de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.710042][ T262] #3: ffffffff8769d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.710046][ T262] #4: ffffffff8769d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.710050][ T262] irq event stamp: 3828132 [ 15.710051][ T262] hardirqs last enabled at (3828131): [] __down_trylock_console_sem+0x86/0xa0 [ 15.710054][ T262] hardirqs last disabled at (3828132): [] console_emit_next_record+0x3d4/0x4c0 [ 15.710056][ T262] softirqs last enabled at (3826706): [] handle_softirqs+0x67c/0x900 [ 15.710058][ T262] softirqs last disabled at (3826699): [] __irq_exit_rcu+0x145/0x1c0 [ 15.710061][ T262] Preemption disabled at: [ 15.710061][ T262] [<0000000000000000>] 0x0 [ 15.710069][ T262] CPU: 1 UID: 0 PID: 262 Comm: udpgso_bench_tx Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.710072][ T262] Tainted: [W]=WARN [ 15.710073][ T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.710075][ T262] Call Trace: [ 15.710077][ T262] [ 15.710078][ T262] dump_stack_lvl+0x6f/0xa0 [ 15.710085][ T262] __might_resched.cold+0x1fe/0x2c1 [ 15.710089][ T262] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.710093][ T262] ? __kmalloc_noprof+0xdb/0x760 [ 15.710097][ T262] __kmalloc_noprof+0x443/0x760 [ 15.710099][ T262] ? alloc_buf.isra.0+0x4b/0x260 [ 15.710106][ T262] ? do_raw_spin_unlock+0x59/0x250 [ 15.710109][ T262] alloc_buf.isra.0+0x4b/0x260 [ 15.710113][ T262] put_chars+0x1e1/0x2f0 [ 15.710115][ T262] ? __send_to_port+0x420/0x420 [ 15.710116][ T262] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.710120][ T262] ? validate_chain+0x38b/0xc20 [ 15.710125][ T262] hvc_console_print+0x292/0x780 [ 15.710133][ T262] ? hvc_write+0x3a0/0x3a0 [ 15.710135][ T262] ? rcu_is_watching+0x16/0xd0 [ 15.710137][ T262] ? lock_acquire+0x13c/0x160 [ 15.710141][ T262] console_emit_next_record+0x22f/0x4c0 [ 15.710145][ T262] ? devkmsg_read+0x4b0/0x4b0 [ 15.710147][ T262] ? console_flush_one_record+0x106/0x710 [ 15.710150][ T262] ? rcu_is_watching+0x16/0xd0 [ 15.710152][ T262] ? lock_acquire+0x13c/0x160 [ 15.710156][ T262] console_flush_one_record+0x46f/0x710 [ 15.710160][ T262] ? console_emit_next_record+0x4c0/0x4c0 [ 15.710161][ T262] ? __lock_acquire+0x518/0xc20 [ 15.710167][ T262] console_unlock+0xee/0x1f0 [ 15.710169][ T262] ? console_flush_one_record+0x710/0x710 [ 15.710171][ T262] ? rcu_is_watching+0x16/0xd0 [ 15.710173][ T262] ? lock_acquire+0xe0/0x160 [ 15.710176][ T262] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.710178][ T262] ? vprintk_emit+0x320/0x3e0 [ 15.710181][ T262] vprintk_emit+0x37c/0x3e0 [ 15.710184][ T262] ? wake_up_klogd_work_func+0x90/0x90 [ 15.710185][ T262] ? do_raw_spin_unlock+0x59/0x250 [ 15.710188][ T262] ? __lock_acquire+0x518/0xc20 [ 15.710192][ T262] _printk+0xc7/0x100 [ 15.710195][ T262] ? snapshot_read.cold+0x21/0x21 [ 15.710198][ T262] ? do_raw_spin_lock+0x131/0x280 [ 15.710200][ T262] ? __rwlock_init+0x150/0x150 [ 15.710204][ T262] ? do_raw_spin_lock+0x131/0x280 [ 15.710207][ T262] do_exit.cold+0x82/0x9c [ 15.710211][ T262] ? exit_notify+0x890/0x890 [ 15.710214][ T262] ? __lock_release.isra.0+0x69/0x1a0 [ 15.710217][ T262] ? rcu_is_watching+0x16/0xd0 [ 15.710221][ T262] do_group_exit+0xb8/0x370 [ 15.710223][ T262] __x64_sys_exit_group+0x3c/0x50 [ 15.710225][ T262] x64_sys_call+0x1567/0x1570 [ 15.710228][ T262] do_syscall_64+0xff/0x530 [ 15.710232][ T262] ? exc_page_fault+0xee/0x100 [ 15.710235][ T262] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.710237][ T262] RIP: 0033:0x7f78e69991b8 [ 15.710239][ T262] Code: Unable to access opcode bytes at 0x7f78e699918e. [ 15.710240][ T262] RSP: 002b:00007ffed2512188 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.710242][ T262] RAX: ffffffffffffffda RBX: 00007f78e6ac9f88 RCX: 00007f78e69991b8 [ 15.710244][ T262] RDX: 00007f78e68d6a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 15.710245][ T262] RBP: 00007ffed25121e0 R08: 0000000000000000 R09: 0000000000000000 [ 15.710245][ T262] R10: 00007ffed2512020 R11: 0000000000000246 R12: 0000000000000001 [ 15.710246][ T262] R13: 0000000000000000 R14: 00007f78e6ac8680 R15: 00007f78e6ac9fa0 [ 15.710253][ T262] [ 16.150448][ T281] ip (281) used greatest stack depth: 24368 bytes left