[ 9.847027][ T210] ip (210) used greatest stack depth: 24176 bytes left [ 9.847042][ T210] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.847044][ T210] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 210, name: ip [ 9.847046][ T210] preempt_count: 2, expected: 0 [ 9.847047][ T210] RCU nest depth: 0, expected: 0 [ 9.847048][ T210] locks held by ip/210: 5, last CPU#2: [ 9.847050][ T210] #0: ffffffffac6167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.847060][ T210] #1: ffffffffac77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.847065][ T210] #2: ffffffffac77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.847070][ T210] #3: ffffffffac69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.847073][ T210] #4: ffffffffac69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.847077][ T210] irq event stamp: 28276 [ 9.847078][ T210] hardirqs last enabled at (28275): [] __down_trylock_console_sem+0x86/0xa0 [ 9.847081][ T210] hardirqs last disabled at (28276): [] console_emit_next_record+0x3d4/0x4c0 [ 9.847083][ T210] softirqs last enabled at (27406): [] handle_softirqs+0x67c/0x900 [ 9.847085][ T210] softirqs last disabled at (27397): [] __irq_exit_rcu+0x145/0x1c0 [ 9.847087][ T210] Preemption disabled at: [ 9.847088][ T210] [<0000000000000000>] 0x0 [ 9.847094][ T210] CPU: 2 UID: 0 PID: 210 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.847098][ T210] Tainted: [W]=WARN [ 9.847099][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.847100][ T210] Call Trace: [ 9.847102][ T210] [ 9.847103][ T210] dump_stack_lvl+0x6f/0xa0 [ 9.847109][ T210] __might_resched.cold+0x1fe/0x2c1 [ 9.847114][ T210] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.847118][ T210] ? __kmalloc_noprof+0xdb/0x760 [ 9.847122][ T210] __kmalloc_noprof+0x443/0x760 [ 9.847124][ T210] ? alloc_buf.isra.0+0x4b/0x260 [ 9.847130][ T210] ? do_raw_spin_unlock+0x59/0x250 [ 9.847133][ T210] alloc_buf.isra.0+0x4b/0x260 [ 9.847136][ T210] put_chars+0x1e1/0x2f0 [ 9.847139][ T210] ? __send_to_port+0x420/0x420 [ 9.847140][ T210] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.847143][ T210] ? validate_chain+0x38b/0xc20 [ 9.847149][ T210] hvc_console_print+0x292/0x780 [ 9.847156][ T210] ? hvc_write+0x3a0/0x3a0 [ 9.847159][ T210] ? rcu_is_watching+0x16/0xd0 [ 9.847161][ T210] ? lock_acquire+0x13c/0x160 [ 9.847164][ T210] console_emit_next_record+0x22f/0x4c0 [ 9.847168][ T210] ? devkmsg_read+0x4b0/0x4b0 [ 9.847170][ T210] ? console_flush_one_record+0x106/0x710 [ 9.847173][ T210] ? rcu_is_watching+0x16/0xd0 [ 9.847175][ T210] ? lock_acquire+0x13c/0x160 [ 9.847179][ T210] console_flush_one_record+0x46f/0x710 [ 9.847183][ T210] ? console_emit_next_record+0x4c0/0x4c0 [ 9.847185][ T210] ? __lock_acquire+0x518/0xc20 [ 9.847190][ T210] console_unlock+0xee/0x1f0 [ 9.847192][ T210] ? console_flush_one_record+0x710/0x710 [ 9.847194][ T210] ? rcu_is_watching+0x16/0xd0 [ 9.847196][ T210] ? lock_acquire+0xe0/0x160 [ 9.847199][ T210] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.847201][ T210] ? vprintk_emit+0x320/0x3e0 [ 9.847204][ T210] vprintk_emit+0x37c/0x3e0 [ 9.847207][ T210] ? wake_up_klogd_work_func+0x90/0x90 [ 9.847210][ T210] ? __lock_acquire+0x518/0xc20 [ 9.847213][ T210] _printk+0xc7/0x100 [ 9.847217][ T210] ? snapshot_read.cold+0x21/0x21 [ 9.847219][ T210] ? do_raw_spin_lock+0x131/0x280 [ 9.847222][ T210] ? __rwlock_init+0x150/0x150 [ 9.847225][ T210] ? do_raw_spin_lock+0x131/0x280 [ 9.847228][ T210] do_exit.cold+0x82/0x9c [ 9.847232][ T210] ? exit_notify+0x890/0x890 [ 9.847233][ T210] ? __lock_release.isra.0+0x69/0x1a0 [ 9.847236][ T210] ? rcu_is_watching+0x16/0xd0 [ 9.847239][ T210] do_group_exit+0xb8/0x370 [ 9.847242][ T210] __x64_sys_exit_group+0x3c/0x50 [ 9.847244][ T210] x64_sys_call+0x1567/0x1570 [ 9.847246][ T210] do_syscall_64+0xff/0x530 [ 9.847250][ T210] ? exc_page_fault+0xee/0x100 [ 9.847253][ T210] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.847255][ T210] RIP: 0033:0x7f36494db1b8 [ 9.847257][ T210] Code: Unable to access opcode bytes at 0x7f36494db18e. [ 9.847258][ T210] RSP: 002b:00007ffef03f9568 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.847260][ T210] RAX: ffffffffffffffda RBX: 00007f364960bf88 RCX: 00007f36494db1b8 [ 9.847261][ T210] RDX: 00007f3649225fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.847262][ T210] RBP: 00007ffef03f95c0 R08: 0000000000000000 R09: 0000000000000000 [ 9.847263][ T210] R10: 00007ffef03f9380 R11: 0000000000000246 R12: 0000000000000001 [ 9.847264][ T210] R13: 0000000000000000 R14: 00007f364960a680 R15: 00007f364960bfa0 [ 9.847271][ T210] [ 11.197304][ T247] udpgso_bench_tx (247) used greatest stack depth: 23392 bytes left [ 11.197319][ T247] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.197321][ T247] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 247, name: udpgso_bench_tx [ 11.197323][ T247] preempt_count: 2, expected: 0 [ 11.197324][ T247] RCU nest depth: 0, expected: 0 [ 11.197325][ T247] locks held by udpgso_bench_tx/247: 5, last CPU#3: [ 11.197326][ T247] #0: ffffffffac6167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.197338][ T247] #1: ffffffffac77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.197342][ T247] #2: ffffffffac77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.197346][ T247] #3: ffffffffac69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.197350][ T247] #4: ffffffffac69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.197354][ T247] irq event stamp: 50880 [ 11.197355][ T247] hardirqs last enabled at (50879): [] __down_trylock_console_sem+0x86/0xa0 [ 11.197358][ T247] hardirqs last disabled at (50880): [] console_emit_next_record+0x3d4/0x4c0 [ 11.197360][ T247] softirqs last enabled at (49476): [] handle_softirqs+0x67c/0x900 [ 11.197362][ T247] softirqs last disabled at (48749): [] __irq_exit_rcu+0x145/0x1c0 [ 11.197365][ T247] Preemption disabled at: [ 11.197365][ T247] [<0000000000000000>] 0x0 [ 11.197372][ T247] CPU: 3 UID: 0 PID: 247 Comm: udpgso_bench_tx Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.197375][ T247] Tainted: [W]=WARN [ 11.197376][ T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.197378][ T247] Call Trace: [ 11.197379][ T247] [ 11.197380][ T247] dump_stack_lvl+0x6f/0xa0 [ 11.197387][ T247] __might_resched.cold+0x1fe/0x2c1 [ 11.197391][ T247] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.197395][ T247] ? __kmalloc_noprof+0xdb/0x760 [ 11.197399][ T247] __kmalloc_noprof+0x443/0x760 [ 11.197401][ T247] ? alloc_buf.isra.0+0x4b/0x260 [ 11.197408][ T247] ? do_raw_spin_unlock+0x59/0x250 [ 11.197410][ T247] alloc_buf.isra.0+0x4b/0x260 [ 11.197414][ T247] put_chars+0x1e1/0x2f0 [ 11.197416][ T247] ? __send_to_port+0x420/0x420 [ 11.197417][ T247] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.197421][ T247] ? validate_chain+0x38b/0xc20 [ 11.197426][ T247] hvc_console_print+0x292/0x780 [ 11.197433][ T247] ? hvc_write+0x3a0/0x3a0 [ 11.197435][ T247] ? rcu_is_watching+0x16/0xd0 [ 11.197437][ T247] ? lock_acquire+0x13c/0x160 [ 11.197441][ T247] console_emit_next_record+0x22f/0x4c0 [ 11.197445][ T247] ? devkmsg_read+0x4b0/0x4b0 [ 11.197447][ T247] ? console_flush_one_record+0x106/0x710 [ 11.197450][ T247] ? rcu_is_watching+0x16/0xd0 [ 11.197452][ T247] ? lock_acquire+0x13c/0x160 [ 11.197455][ T247] console_flush_one_record+0x46f/0x710 [ 11.197460][ T247] ? console_emit_next_record+0x4c0/0x4c0 [ 11.197461][ T247] ? __lock_acquire+0x518/0xc20 [ 11.197466][ T247] console_unlock+0xee/0x1f0 [ 11.197469][ T247] ? console_flush_one_record+0x710/0x710 [ 11.197471][ T247] ? rcu_is_watching+0x16/0xd0 [ 11.197473][ T247] ? lock_acquire+0xe0/0x160 [ 11.197476][ T247] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.197478][ T247] ? vprintk_emit+0x320/0x3e0 [ 11.197481][ T247] vprintk_emit+0x37c/0x3e0 [ 11.197484][ T247] ? wake_up_klogd_work_func+0x90/0x90 [ 11.197485][ T247] ? do_raw_spin_unlock+0x59/0x250 [ 11.197488][ T247] ? __lock_acquire+0x518/0xc20 [ 11.197491][ T247] _printk+0xc7/0x100 [ 11.197495][ T247] ? snapshot_read.cold+0x21/0x21 [ 11.197497][ T247] ? do_raw_spin_lock+0x131/0x280 [ 11.197500][ T247] ? __rwlock_init+0x150/0x150 [ 11.197504][ T247] ? do_raw_spin_lock+0x131/0x280 [ 11.197506][ T247] do_exit.cold+0x82/0x9c [ 11.197510][ T247] ? exit_notify+0x890/0x890 [ 11.197511][ T247] ? __lock_release.isra.0+0x69/0x1a0 [ 11.197514][ T247] ? rcu_is_watching+0x16/0xd0 [ 11.197517][ T247] do_group_exit+0xb8/0x370 [ 11.197520][ T247] __x64_sys_exit_group+0x3c/0x50 [ 11.197522][ T247] x64_sys_call+0x1567/0x1570 [ 11.197524][ T247] do_syscall_64+0xff/0x530 [ 11.197528][ T247] ? exc_page_fault+0xee/0x100 [ 11.197531][ T247] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.197533][ T247] RIP: 0033:0x7fb6c0dd11b8 [ 11.197535][ T247] Code: Unable to access opcode bytes at 0x7fb6c0dd118e. [ 11.197536][ T247] RSP: 002b:00007fff255d7c38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.197539][ T247] RAX: ffffffffffffffda RBX: 00007fb6c0f01f88 RCX: 00007fb6c0dd11b8 [ 11.197540][ T247] RDX: 00007fb6c0d0ea48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.197541][ T247] RBP: 00007fff255d7c90 R08: 0000000000000000 R09: 0000000000000000 [ 11.197542][ T247] R10: 00007fff255d7ad0 R11: 0000000000000246 R12: 0000000000000001 [ 11.197542][ T247] R13: 0000000000000000 R14: 00007fb6c0f00680 R15: 00007fb6c0f01fa0 [ 11.197549][ T247] [ 13.261463][ T322] udpgso_bench_tx (322) used greatest stack depth: 22024 bytes left [ 13.261479][ T322] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.261481][ T322] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 322, name: udpgso_bench_tx [ 13.261482][ T322] preempt_count: 2, expected: 0 [ 13.261483][ T322] RCU nest depth: 0, expected: 0 [ 13.261484][ T322] locks held by udpgso_bench_tx/322: 5, last CPU#2: [ 13.261486][ T322] #0: ffffffffac6167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 13.261496][ T322] #1: ffffffffac77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.261501][ T322] #2: ffffffffac77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.261505][ T322] #3: ffffffffac69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.261509][ T322] #4: ffffffffac69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.261513][ T322] irq event stamp: 41714 [ 13.261514][ T322] hardirqs last enabled at (41713): [] __down_trylock_console_sem+0x86/0xa0 [ 13.261517][ T322] hardirqs last disabled at (41714): [] console_emit_next_record+0x3d4/0x4c0 [ 13.261519][ T322] softirqs last enabled at (41402): [] handle_softirqs+0x67c/0x900 [ 13.261521][ T322] softirqs last disabled at (40471): [] __irq_exit_rcu+0x145/0x1c0 [ 13.261524][ T322] Preemption disabled at: [ 13.261524][ T322] [<0000000000000000>] 0x0 [ 13.261530][ T322] CPU: 2 UID: 0 PID: 322 Comm: udpgso_bench_tx Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.261534][ T322] Tainted: [W]=WARN [ 13.261535][ T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.261536][ T322] Call Trace: [ 13.261538][ T322] [ 13.261539][ T322] dump_stack_lvl+0x6f/0xa0 [ 13.261545][ T322] __might_resched.cold+0x1fe/0x2c1 [ 13.261550][ T322] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.261554][ T322] ? __kmalloc_noprof+0xdb/0x760 [ 13.261558][ T322] __kmalloc_noprof+0x443/0x760 [ 13.261560][ T322] ? alloc_buf.isra.0+0x4b/0x260 [ 13.261566][ T322] ? do_raw_spin_unlock+0x59/0x250 [ 13.261569][ T322] alloc_buf.isra.0+0x4b/0x260 [ 13.261573][ T322] put_chars+0x1e1/0x2f0 [ 13.261575][ T322] ? __send_to_port+0x420/0x420 [ 13.261577][ T322] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.261582][ T322] ? validate_chain+0x38b/0xc20 [ 13.261588][ T322] hvc_console_print+0x292/0x780 [ 13.261595][ T322] ? hvc_write+0x3a0/0x3a0 [ 13.261598][ T322] ? rcu_is_watching+0x16/0xd0 [ 13.261600][ T322] ? lock_acquire+0x13c/0x160 [ 13.261604][ T322] console_emit_next_record+0x22f/0x4c0 [ 13.261607][ T322] ? devkmsg_read+0x4b0/0x4b0 [ 13.261609][ T322] ? console_flush_one_record+0x106/0x710 [ 13.261613][ T322] ? rcu_is_watching+0x16/0xd0 [ 13.261614][ T322] ? lock_acquire+0x13c/0x160 [ 13.261618][ T322] console_flush_one_record+0x46f/0x710 [ 13.261622][ T322] ? console_emit_next_record+0x4c0/0x4c0 [ 13.261624][ T322] ? __lock_acquire+0x518/0xc20 [ 13.261629][ T322] console_unlock+0xee/0x1f0 [ 13.261632][ T322] ? console_flush_one_record+0x710/0x710 [ 13.261634][ T322] ? rcu_is_watching+0x16/0xd0 [ 13.261635][ T322] ? lock_acquire+0xe0/0x160 [ 13.261639][ T322] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.261640][ T322] ? vprintk_emit+0x320/0x3e0 [ 13.261643][ T322] vprintk_emit+0x37c/0x3e0 [ 13.261646][ T322] ? wake_up_klogd_work_func+0x90/0x90 [ 13.261647][ T322] ? do_raw_spin_unlock+0x59/0x250 [ 13.261650][ T322] ? __lock_acquire+0x518/0xc20 [ 13.261654][ T322] _printk+0xc7/0x100 [ 13.261657][ T322] ? snapshot_read.cold+0x21/0x21 [ 13.261660][ T322] ? do_raw_spin_lock+0x131/0x280 [ 13.261662][ T322] ? __rwlock_init+0x150/0x150 [ 13.261666][ T322] ? do_raw_spin_lock+0x131/0x280 [ 13.261669][ T322] do_exit.cold+0x82/0x9c [ 13.261672][ T322] ? exit_notify+0x890/0x890 [ 13.261673][ T322] ? __lock_release.isra.0+0x69/0x1a0 [ 13.261676][ T322] ? rcu_is_watching+0x16/0xd0 [ 13.261680][ T322] do_group_exit+0xb8/0x370 [ 13.261682][ T322] __x64_sys_exit_group+0x3c/0x50 [ 13.261684][ T322] x64_sys_call+0x1567/0x1570 [ 13.261687][ T322] do_syscall_64+0xff/0x530 [ 13.261691][ T322] ? exc_page_fault+0xee/0x100 [ 13.261693][ T322] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.261696][ T322] RIP: 0033:0x7fa85fb5e1b8 [ 13.261698][ T322] Code: Unable to access opcode bytes at 0x7fa85fb5e18e. [ 13.261699][ T322] RSP: 002b:00007ffde5e85db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.261701][ T322] RAX: ffffffffffffffda RBX: 00007fa85fc8ef88 RCX: 00007fa85fb5e1b8 [ 13.261702][ T322] RDX: 00007fa85fa9ba48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 13.261703][ T322] RBP: 00007ffde5e85e10 R08: 0000000000000000 R09: 0000000000000000 [ 13.261707][ T322] R10: 00007ffde5e85c50 R11: 0000000000000246 R12: 0000000000000001 [ 13.261708][ T322] R13: 0000000000000000 R14: 00007fa85fc8d680 R15: 00007fa85fc8efa0 [ 13.261715][ T322] [ 54.604743][ T1229] udpgso_bench_tx (1229) used greatest stack depth: 21544 bytes left [ 54.604759][ T1229] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 54.604761][ T1229] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1229, name: udpgso_bench_tx [ 54.604762][ T1229] preempt_count: 2, expected: 0 [ 54.604763][ T1229] RCU nest depth: 0, expected: 0 [ 54.604764][ T1229] locks held by udpgso_bench_tx/1229: 5, last CPU#3: [ 54.604766][ T1229] #0: ffffffffac6167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 54.604777][ T1229] #1: ffffffffac77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 54.604782][ T1229] #2: ffffffffac77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 54.604786][ T1229] #3: ffffffffac69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 54.604789][ T1229] #4: ffffffffac69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 54.604794][ T1229] irq event stamp: 50232 [ 54.604794][ T1229] hardirqs last enabled at (50231): [] __down_trylock_console_sem+0x86/0xa0 [ 54.604797][ T1229] hardirqs last disabled at (50232): [] console_emit_next_record+0x3d4/0x4c0 [ 54.604799][ T1229] softirqs last enabled at (49842): [] handle_softirqs+0x67c/0x900 [ 54.604802][ T1229] softirqs last disabled at (48377): [] __irq_exit_rcu+0x145/0x1c0 [ 54.604804][ T1229] Preemption disabled at: [ 54.604805][ T1229] [<0000000000000000>] 0x0 [ 54.604812][ T1229] CPU: 3 UID: 0 PID: 1229 Comm: udpgso_bench_tx Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 54.604815][ T1229] Tainted: [W]=WARN [ 54.604816][ T1229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 54.604818][ T1229] Call Trace: [ 54.604819][ T1229] [ 54.604820][ T1229] dump_stack_lvl+0x6f/0xa0 [ 54.604827][ T1229] __might_resched.cold+0x1fe/0x2c1 [ 54.604831][ T1229] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 54.604835][ T1229] ? __kmalloc_noprof+0xdb/0x760 [ 54.604840][ T1229] __kmalloc_noprof+0x443/0x760 [ 54.604842][ T1229] ? alloc_buf.isra.0+0x4b/0x260 [ 54.604853][ T1229] ? do_raw_spin_unlock+0x59/0x250 [ 54.604855][ T1229] alloc_buf.isra.0+0x4b/0x260 [ 54.604859][ T1229] put_chars+0x1e1/0x2f0 [ 54.604862][ T1229] ? __send_to_port+0x420/0x420 [ 54.604863][ T1229] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 54.604866][ T1229] ? validate_chain+0x38b/0xc20 [ 54.604872][ T1229] hvc_console_print+0x292/0x780 [ 54.604879][ T1229] ? hvc_write+0x3a0/0x3a0 [ 54.604882][ T1229] ? rcu_is_watching+0x16/0xd0 [ 54.604884][ T1229] ? lock_acquire+0x13c/0x160 [ 54.604888][ T1229] console_emit_next_record+0x22f/0x4c0 [ 54.604892][ T1229] ? devkmsg_read+0x4b0/0x4b0 [ 54.604894][ T1229] ? console_flush_one_record+0x106/0x710 [ 54.604897][ T1229] ? rcu_is_watching+0x16/0xd0 [ 54.604899][ T1229] ? lock_acquire+0x13c/0x160 [ 54.604902][ T1229] console_flush_one_record+0x46f/0x710 [ 54.604907][ T1229] ? console_emit_next_record+0x4c0/0x4c0 [ 54.604908][ T1229] ? __lock_acquire+0x518/0xc20 [ 54.604914][ T1229] console_unlock+0xee/0x1f0 [ 54.604916][ T1229] ? console_flush_one_record+0x710/0x710 [ 54.604918][ T1229] ? rcu_is_watching+0x16/0xd0 [ 54.604920][ T1229] ? lock_acquire+0xe0/0x160 [ 54.604923][ T1229] ? __down_trylock_console_sem+0x5e/0xa0 [ 54.604925][ T1229] ? vprintk_emit+0x320/0x3e0 [ 54.604928][ T1229] vprintk_emit+0x37c/0x3e0 [ 54.604931][ T1229] ? wake_up_klogd_work_func+0x90/0x90 [ 54.604932][ T1229] ? do_raw_spin_unlock+0x59/0x250 [ 54.604935][ T1229] ? __lock_acquire+0x518/0xc20 [ 54.604939][ T1229] _printk+0xc7/0x100 [ 54.604942][ T1229] ? snapshot_read.cold+0x21/0x21 [ 54.604945][ T1229] ? do_raw_spin_lock+0x131/0x280 [ 54.604947][ T1229] ? __rwlock_init+0x150/0x150 [ 54.604951][ T1229] ? do_raw_spin_lock+0x131/0x280 [ 54.604954][ T1229] do_exit.cold+0x82/0x9c [ 54.604957][ T1229] ? exit_notify+0x890/0x890 [ 54.604959][ T1229] ? __lock_release.isra.0+0x69/0x1a0 [ 54.604961][ T1229] ? rcu_is_watching+0x16/0xd0 [ 54.604965][ T1229] do_group_exit+0xb8/0x370 [ 54.604967][ T1229] __x64_sys_exit_group+0x3c/0x50 [ 54.604969][ T1229] x64_sys_call+0x1567/0x1570 [ 54.604972][ T1229] do_syscall_64+0xff/0x530 [ 54.604976][ T1229] ? exc_page_fault+0xee/0x100 [ 54.604978][ T1229] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 54.604981][ T1229] RIP: 0033:0x7f4e893741b8 [ 54.604983][ T1229] Code: Unable to access opcode bytes at 0x7f4e8937418e. [ 54.604984][ T1229] RSP: 002b:00007fff6b2d2cd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 54.604986][ T1229] RAX: ffffffffffffffda RBX: 00007f4e894a4f88 RCX: 00007f4e893741b8 [ 54.604987][ T1229] RDX: 00007f4e892b1a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 54.604988][ T1229] RBP: 00007fff6b2d2d30 R08: 0000000000000000 R09: 0000000000000000 [ 54.604989][ T1229] R10: 00007fff6b2d2b70 R11: 0000000000000246 R12: 0000000000000001 [ 54.604989][ T1229] R13: 0000000000000000 R14: 00007f4e894a3680 R15: 00007f4e894a4fa0 [ 54.604996][ T1229] [ 56.608536][ T1303] udpgso_bench_tx (1303) used greatest stack depth: 20400 bytes left [ 56.608553][ T1303] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 56.608556][ T1303] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1303, name: udpgso_bench_tx [ 56.608557][ T1303] preempt_count: 2, expected: 0 [ 56.608558][ T1303] RCU nest depth: 0, expected: 0 [ 56.608559][ T1303] locks held by udpgso_bench_tx/1303: 5, last CPU#3: [ 56.608561][ T1303] #0: ffffffffac6167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 56.608573][ T1303] #1: ffffffffac77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 56.608581][ T1303] #2: ffffffffac77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 56.608585][ T1303] #3: ffffffffac69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 56.608589][ T1303] #4: ffffffffac69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 56.608593][ T1303] irq event stamp: 46000 [ 56.608594][ T1303] hardirqs last enabled at (45999): [] __down_trylock_console_sem+0x86/0xa0 [ 56.608598][ T1303] hardirqs last disabled at (46000): [] console_emit_next_record+0x3d4/0x4c0 [ 56.608600][ T1303] softirqs last enabled at (45636): [] handle_softirqs+0x67c/0x900 [ 56.608602][ T1303] softirqs last disabled at (44285): [] __irq_exit_rcu+0x145/0x1c0 [ 56.608605][ T1303] Preemption disabled at: [ 56.608606][ T1303] [<0000000000000000>] 0x0 [ 56.608612][ T1303] CPU: 3 UID: 0 PID: 1303 Comm: udpgso_bench_tx Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 56.608616][ T1303] Tainted: [W]=WARN [ 56.608616][ T1303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.608618][ T1303] Call Trace: [ 56.608620][ T1303] [ 56.608621][ T1303] dump_stack_lvl+0x6f/0xa0 [ 56.608628][ T1303] __might_resched.cold+0x1fe/0x2c1 [ 56.608632][ T1303] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 56.608637][ T1303] ? __kmalloc_noprof+0xdb/0x760 [ 56.608641][ T1303] __kmalloc_noprof+0x443/0x760 [ 56.608643][ T1303] ? alloc_buf.isra.0+0x4b/0x260 [ 56.608650][ T1303] ? do_raw_spin_unlock+0x59/0x250 [ 56.608652][ T1303] alloc_buf.isra.0+0x4b/0x260 [ 56.608656][ T1303] put_chars+0x1e1/0x2f0 [ 56.608659][ T1303] ? __send_to_port+0x420/0x420 [ 56.608660][ T1303] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 56.608663][ T1303] ? validate_chain+0x38b/0xc20 [ 56.608669][ T1303] hvc_console_print+0x292/0x780 [ 56.608677][ T1303] ? hvc_write+0x3a0/0x3a0 [ 56.608680][ T1303] ? rcu_is_watching+0x16/0xd0 [ 56.608682][ T1303] ? lock_acquire+0x13c/0x160 [ 56.608686][ T1303] console_emit_next_record+0x22f/0x4c0 [ 56.608690][ T1303] ? devkmsg_read+0x4b0/0x4b0 [ 56.608692][ T1303] ? console_flush_one_record+0x106/0x710 [ 56.608695][ T1303] ? rcu_is_watching+0x16/0xd0 [ 56.608697][ T1303] ? lock_acquire+0x13c/0x160 [ 56.608701][ T1303] console_flush_one_record+0x46f/0x710 [ 56.608705][ T1303] ? console_emit_next_record+0x4c0/0x4c0 [ 56.608707][ T1303] ? __lock_acquire+0x518/0xc20 [ 56.608712][ T1303] console_unlock+0xee/0x1f0 [ 56.608715][ T1303] ? console_flush_one_record+0x710/0x710 [ 56.608717][ T1303] ? rcu_is_watching+0x16/0xd0 [ 56.608719][ T1303] ? lock_acquire+0xe0/0x160 [ 56.608723][ T1303] ? __down_trylock_console_sem+0x5e/0xa0 [ 56.608724][ T1303] ? vprintk_emit+0x320/0x3e0 [ 56.608727][ T1303] vprintk_emit+0x37c/0x3e0 [ 56.608731][ T1303] ? wake_up_klogd_work_func+0x90/0x90 [ 56.608733][ T1303] ? do_raw_spin_unlock+0x59/0x250 [ 56.608736][ T1303] ? __lock_acquire+0x518/0xc20 [ 56.608740][ T1303] _printk+0xc7/0x100 [ 56.608743][ T1303] ? snapshot_read.cold+0x21/0x21 [ 56.608746][ T1303] ? do_raw_spin_lock+0x131/0x280 [ 56.608749][ T1303] ? __rwlock_init+0x150/0x150 [ 56.608753][ T1303] ? do_raw_spin_lock+0x131/0x280 [ 56.608755][ T1303] do_exit.cold+0x82/0x9c [ 56.608759][ T1303] ? exit_notify+0x890/0x890 [ 56.608760][ T1303] ? __lock_release.isra.0+0x69/0x1a0 [ 56.608763][ T1303] ? rcu_is_watching+0x16/0xd0 [ 56.608767][ T1303] do_group_exit+0xb8/0x370 [ 56.608770][ T1303] __x64_sys_exit_group+0x3c/0x50 [ 56.608772][ T1303] x64_sys_call+0x1567/0x1570 [ 56.608774][ T1303] do_syscall_64+0xff/0x530 [ 56.608778][ T1303] ? exc_page_fault+0xee/0x100 [ 56.608781][ T1303] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 56.608784][ T1303] RIP: 0033:0x7f1f4e8901b8 [ 56.608786][ T1303] Code: Unable to access opcode bytes at 0x7f1f4e89018e. [ 56.608787][ T1303] RSP: 002b:00007fff49e9b1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.608789][ T1303] RAX: ffffffffffffffda RBX: 00007f1f4e9c0f88 RCX: 00007f1f4e8901b8 [ 56.608791][ T1303] RDX: 00007f1f4e7cda48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 56.608792][ T1303] RBP: 00007fff49e9b230 R08: 0000000000000000 R09: 0000000000000000 [ 56.608793][ T1303] R10: 00007fff49e9b070 R11: 0000000000000246 R12: 0000000000000001 [ 56.608793][ T1303] R13: 0000000000000000 R14: 00007f1f4e9bf680 R15: 00007f1f4e9c0fa0 [ 56.608800][ T1303]