[ 10.748469][ T248] udpgso_bench_tx (248) used greatest stack depth: 23856 bytes left [ 10.748484][ T248] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.748486][ T248] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 248, name: udpgso_bench_tx [ 10.748488][ T248] preempt_count: 2, expected: 0 [ 10.748489][ T248] RCU nest depth: 0, expected: 0 [ 10.748490][ T248] locks held by udpgso_bench_tx/248: 5, last CPU#2: [ 10.748492][ T248] #0: ffffffff978167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.748503][ T248] #1: ffffffff9797ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.748507][ T248] #2: ffffffff9797de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.748512][ T248] #3: ffffffff9789d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.748515][ T248] #4: ffffffff9789d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.748519][ T248] irq event stamp: 49082 [ 10.748520][ T248] hardirqs last enabled at (49081): [] __down_trylock_console_sem+0x86/0xa0 [ 10.748523][ T248] hardirqs last disabled at (49082): [] console_emit_next_record+0x3d4/0x4c0 [ 10.748525][ T248] softirqs last enabled at (48374): [] handle_softirqs+0x67c/0x900 [ 10.748528][ T248] softirqs last disabled at (48275): [] __irq_exit_rcu+0x145/0x1c0 [ 10.748530][ T248] Preemption disabled at: [ 10.748531][ T248] [<0000000000000000>] 0x0 [ 10.748537][ T248] CPU: 2 UID: 0 PID: 248 Comm: udpgso_bench_tx Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.748541][ T248] Tainted: [W]=WARN [ 10.748542][ T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.748543][ T248] Call Trace: [ 10.748544][ T248] [ 10.748545][ T248] dump_stack_lvl+0x6f/0xa0 [ 10.748553][ T248] __might_resched.cold+0x1fe/0x2c1 [ 10.748558][ T248] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.748562][ T248] ? __kmalloc_noprof+0xdb/0x760 [ 10.748566][ T248] __kmalloc_noprof+0x443/0x760 [ 10.748568][ T248] ? alloc_buf.isra.0+0x4b/0x260 [ 10.748575][ T248] ? do_raw_spin_unlock+0x59/0x250 [ 10.748578][ T248] alloc_buf.isra.0+0x4b/0x260 [ 10.748581][ T248] put_chars+0x1e1/0x2f0 [ 10.748584][ T248] ? __send_to_port+0x420/0x420 [ 10.748585][ T248] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.748588][ T248] ? validate_chain+0x38b/0xc20 [ 10.748594][ T248] hvc_console_print+0x292/0x780 [ 10.748601][ T248] ? hvc_write+0x3a0/0x3a0 [ 10.748604][ T248] ? rcu_is_watching+0x16/0xd0 [ 10.748606][ T248] ? lock_acquire+0x13c/0x160 [ 10.748610][ T248] console_emit_next_record+0x22f/0x4c0 [ 10.748614][ T248] ? devkmsg_read+0x4b0/0x4b0 [ 10.748616][ T248] ? console_flush_one_record+0x106/0x710 [ 10.748619][ T248] ? rcu_is_watching+0x16/0xd0 [ 10.748620][ T248] ? lock_acquire+0x13c/0x160 [ 10.748624][ T248] console_flush_one_record+0x46f/0x710 [ 10.748628][ T248] ? console_emit_next_record+0x4c0/0x4c0 [ 10.748630][ T248] ? __lock_acquire+0x518/0xc20 [ 10.748636][ T248] console_unlock+0xee/0x1f0 [ 10.748638][ T248] ? console_flush_one_record+0x710/0x710 [ 10.748640][ T248] ? rcu_is_watching+0x16/0xd0 [ 10.748642][ T248] ? lock_acquire+0xe0/0x160 [ 10.748646][ T248] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.748647][ T248] ? vprintk_emit+0x320/0x3e0 [ 10.748650][ T248] vprintk_emit+0x37c/0x3e0 [ 10.748653][ T248] ? wake_up_klogd_work_func+0x90/0x90 [ 10.748654][ T248] ? do_raw_spin_unlock+0x59/0x250 [ 10.748657][ T248] ? __lock_acquire+0x518/0xc20 [ 10.748661][ T248] _printk+0xc7/0x100 [ 10.748664][ T248] ? snapshot_read.cold+0x21/0x21 [ 10.748667][ T248] ? do_raw_spin_lock+0x131/0x280 [ 10.748670][ T248] ? __rwlock_init+0x150/0x150 [ 10.748674][ T248] ? do_raw_spin_lock+0x131/0x280 [ 10.748676][ T248] do_exit.cold+0x82/0x9c [ 10.748680][ T248] ? exit_notify+0x890/0x890 [ 10.748681][ T248] ? __lock_release.isra.0+0x69/0x1a0 [ 10.748684][ T248] ? rcu_is_watching+0x16/0xd0 [ 10.748687][ T248] do_group_exit+0xb8/0x370 [ 10.748690][ T248] __x64_sys_exit_group+0x3c/0x50 [ 10.748692][ T248] x64_sys_call+0x1567/0x1570 [ 10.748694][ T248] do_syscall_64+0xff/0x530 [ 10.748698][ T248] ? exc_page_fault+0xee/0x100 [ 10.748701][ T248] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.748703][ T248] RIP: 0033:0x7fa8ce2441b8 [ 10.748705][ T248] Code: Unable to access opcode bytes at 0x7fa8ce24418e. [ 10.748706][ T248] RSP: 002b:00007ffd742e6338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.748709][ T248] RAX: ffffffffffffffda RBX: 00007fa8ce374f88 RCX: 00007fa8ce2441b8 [ 10.748710][ T248] RDX: 00007fa8ce181a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 10.748711][ T248] RBP: 00007ffd742e6390 R08: 0000000000000000 R09: 0000000000000000 [ 10.748712][ T248] R10: 00007ffd742e61d0 R11: 0000000000000246 R12: 0000000000000001 [ 10.748712][ T248] R13: 0000000000000000 R14: 00007fa8ce373680 R15: 00007fa8ce374fa0 [ 10.748719][ T248] [ 10.769276][ T243] udpgso_bench_rx (243) used greatest stack depth: 23200 bytes left [ 11.950127][ T298] ip (298) used greatest stack depth: 23152 bytes left [ 11.950143][ T298] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.950145][ T298] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 298, name: ip [ 11.950147][ T298] preempt_count: 2, expected: 0 [ 11.950148][ T298] RCU nest depth: 0, expected: 0 [ 11.950148][ T298] locks held by ip/298: 5, last CPU#1: [ 11.950150][ T298] #0: ffffffff978167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.950162][ T298] #1: ffffffff9797ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.950166][ T298] #2: ffffffff9797de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.950179][ T298] #3: ffffffff9789d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.950183][ T298] #4: ffffffff9789d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.950187][ T298] irq event stamp: 29948 [ 11.950188][ T298] hardirqs last enabled at (29947): [] __down_trylock_console_sem+0x86/0xa0 [ 11.950191][ T298] hardirqs last disabled at (29948): [] console_emit_next_record+0x3d4/0x4c0 [ 11.950193][ T298] softirqs last enabled at (28878): [] handle_softirqs+0x67c/0x900 [ 11.950195][ T298] softirqs last disabled at (28871): [] __irq_exit_rcu+0x145/0x1c0 [ 11.950197][ T298] Preemption disabled at: [ 11.950198][ T298] [<0000000000000000>] 0x0 [ 11.950205][ T298] CPU: 1 UID: 0 PID: 298 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.950209][ T298] Tainted: [W]=WARN [ 11.950210][ T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.950211][ T298] Call Trace: [ 11.950213][ T298] [ 11.950214][ T298] dump_stack_lvl+0x6f/0xa0 [ 11.950221][ T298] __might_resched.cold+0x1fe/0x2c1 [ 11.950225][ T298] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.950229][ T298] ? __kmalloc_noprof+0xdb/0x760 [ 11.950234][ T298] __kmalloc_noprof+0x443/0x760 [ 11.950236][ T298] ? alloc_buf.isra.0+0x4b/0x260 [ 11.950243][ T298] ? do_raw_spin_unlock+0x59/0x250 [ 11.950246][ T298] alloc_buf.isra.0+0x4b/0x260 [ 11.950249][ T298] put_chars+0x1e1/0x2f0 [ 11.950252][ T298] ? __send_to_port+0x420/0x420 [ 11.950253][ T298] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.950257][ T298] ? validate_chain+0x38b/0xc20 [ 11.950262][ T298] hvc_console_print+0x292/0x780 [ 11.950270][ T298] ? hvc_write+0x3a0/0x3a0 [ 11.950273][ T298] ? rcu_is_watching+0x16/0xd0 [ 11.950275][ T298] ? lock_acquire+0x13c/0x160 [ 11.950279][ T298] console_emit_next_record+0x22f/0x4c0 [ 11.950283][ T298] ? devkmsg_read+0x4b0/0x4b0 [ 11.950285][ T298] ? console_flush_one_record+0x106/0x710 [ 11.950288][ T298] ? rcu_is_watching+0x16/0xd0 [ 11.950290][ T298] ? lock_acquire+0x13c/0x160 [ 11.950294][ T298] console_flush_one_record+0x46f/0x710 [ 11.950298][ T298] ? console_emit_next_record+0x4c0/0x4c0 [ 11.950300][ T298] ? __lock_acquire+0x518/0xc20 [ 11.950306][ T298] console_unlock+0xee/0x1f0 [ 11.950308][ T298] ? console_flush_one_record+0x710/0x710 [ 11.950310][ T298] ? rcu_is_watching+0x16/0xd0 [ 11.950312][ T298] ? lock_acquire+0xe0/0x160 [ 11.950316][ T298] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.950318][ T298] ? vprintk_emit+0x320/0x3e0 [ 11.950321][ T298] vprintk_emit+0x37c/0x3e0 [ 11.950324][ T298] ? wake_up_klogd_work_func+0x90/0x90 [ 11.950327][ T298] ? __lock_acquire+0x518/0xc20 [ 11.950330][ T298] _printk+0xc7/0x100 [ 11.950334][ T298] ? snapshot_read.cold+0x21/0x21 [ 11.950337][ T298] ? do_raw_spin_lock+0x131/0x280 [ 11.950340][ T298] ? __rwlock_init+0x150/0x150 [ 11.950344][ T298] ? do_raw_spin_lock+0x131/0x280 [ 11.950347][ T298] do_exit.cold+0x82/0x9c [ 11.950351][ T298] ? exit_notify+0x890/0x890 [ 11.950352][ T298] ? __lock_release.isra.0+0x69/0x1a0 [ 11.950355][ T298] ? rcu_is_watching+0x16/0xd0 [ 11.950359][ T298] do_group_exit+0xb8/0x370 [ 11.950361][ T298] __x64_sys_exit_group+0x3c/0x50 [ 11.950363][ T298] x64_sys_call+0x1567/0x1570 [ 11.950366][ T298] do_syscall_64+0xff/0x530 [ 11.950370][ T298] ? exc_page_fault+0xee/0x100 [ 11.950373][ T298] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.950375][ T298] RIP: 0033:0x7f118d2a81b8 [ 11.950377][ T298] Code: Unable to access opcode bytes at 0x7f118d2a818e. [ 11.950379][ T298] RSP: 002b:00007ffd039269e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.950381][ T298] RAX: ffffffffffffffda RBX: 00007f118d3d8f88 RCX: 00007f118d2a81b8 [ 11.950382][ T298] RDX: 00007f118cff2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.950383][ T298] RBP: 00007ffd03926a40 R08: 0000000000000000 R09: 0000000000000050 [ 11.950384][ T298] R10: 00007ffd03926800 R11: 0000000000000246 R12: 0000000000000001 [ 11.950385][ T298] R13: 0000000000000000 R14: 00007f118d3d7680 R15: 00007f118d3d8fa0 [ 11.950392][ T298] [ 12.717353][ T322] udpgso_bench_tx (322) used greatest stack depth: 22024 bytes left [ 39.742427][ T926] udpgso_bench_tx (926) used greatest stack depth: 21856 bytes left [ 39.742444][ T926] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 39.742446][ T926] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 926, name: udpgso_bench_tx [ 39.742448][ T926] preempt_count: 2, expected: 0 [ 39.742449][ T926] RCU nest depth: 0, expected: 0 [ 39.742450][ T926] locks held by udpgso_bench_tx/926: 5, last CPU#0: [ 39.742451][ T926] #0: ffffffff978167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 39.742462][ T926] #1: ffffffff9797ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 39.742467][ T926] #2: ffffffff9797de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 39.742471][ T926] #3: ffffffff9789d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 39.742475][ T926] #4: ffffffff9789d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 39.742479][ T926] irq event stamp: 45784 [ 39.742480][ T926] hardirqs last enabled at (45783): [] __down_trylock_console_sem+0x86/0xa0 [ 39.742483][ T926] hardirqs last disabled at (45784): [] console_emit_next_record+0x3d4/0x4c0 [ 39.742485][ T926] softirqs last enabled at (44420): [] handle_softirqs+0x67c/0x900 [ 39.742487][ T926] softirqs last disabled at (44295): [] __irq_exit_rcu+0x145/0x1c0 [ 39.742490][ T926] Preemption disabled at: [ 39.742490][ T926] [<0000000000000000>] 0x0 [ 39.742497][ T926] CPU: 0 UID: 0 PID: 926 Comm: udpgso_bench_tx Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 39.742501][ T926] Tainted: [W]=WARN [ 39.742502][ T926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.742503][ T926] Call Trace: [ 39.742505][ T926] [ 39.742506][ T926] dump_stack_lvl+0x6f/0xa0 [ 39.742513][ T926] __might_resched.cold+0x1fe/0x2c1 [ 39.742517][ T926] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 39.742521][ T926] ? __kmalloc_noprof+0xdb/0x760 [ 39.742525][ T926] __kmalloc_noprof+0x443/0x760 [ 39.742527][ T926] ? alloc_buf.isra.0+0x4b/0x260 [ 39.742534][ T926] ? do_raw_spin_unlock+0x59/0x250 [ 39.742536][ T926] alloc_buf.isra.0+0x4b/0x260 [ 39.742540][ T926] put_chars+0x1e1/0x2f0 [ 39.742542][ T926] ? __send_to_port+0x420/0x420 [ 39.742543][ T926] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 39.742549][ T926] ? validate_chain+0x38b/0xc20 [ 39.742555][ T926] hvc_console_print+0x292/0x780 [ 39.742562][ T926] ? hvc_write+0x3a0/0x3a0 [ 39.742565][ T926] ? rcu_is_watching+0x16/0xd0 [ 39.742567][ T926] ? lock_acquire+0x13c/0x160 [ 39.742571][ T926] console_emit_next_record+0x22f/0x4c0 [ 39.742575][ T926] ? devkmsg_read+0x4b0/0x4b0 [ 39.742577][ T926] ? console_flush_one_record+0x106/0x710 [ 39.742580][ T926] ? rcu_is_watching+0x16/0xd0 [ 39.742582][ T926] ? lock_acquire+0x13c/0x160 [ 39.742586][ T926] console_flush_one_record+0x46f/0x710 [ 39.742590][ T926] ? console_emit_next_record+0x4c0/0x4c0 [ 39.742592][ T926] ? __lock_acquire+0x518/0xc20 [ 39.742597][ T926] console_unlock+0xee/0x1f0 [ 39.742600][ T926] ? console_flush_one_record+0x710/0x710 [ 39.742601][ T926] ? rcu_is_watching+0x16/0xd0 [ 39.742603][ T926] ? lock_acquire+0xe0/0x160 [ 39.742607][ T926] ? __down_trylock_console_sem+0x5e/0xa0 [ 39.742609][ T926] ? vprintk_emit+0x320/0x3e0 [ 39.742611][ T926] vprintk_emit+0x37c/0x3e0 [ 39.742614][ T926] ? wake_up_klogd_work_func+0x90/0x90 [ 39.742616][ T926] ? do_raw_spin_unlock+0x59/0x250 [ 39.742619][ T926] ? __lock_acquire+0x518/0xc20 [ 39.742622][ T926] _printk+0xc7/0x100 [ 39.742626][ T926] ? snapshot_read.cold+0x21/0x21 [ 39.742629][ T926] ? do_raw_spin_lock+0x131/0x280 [ 39.742631][ T926] ? __rwlock_init+0x150/0x150 [ 39.742635][ T926] ? do_raw_spin_lock+0x131/0x280 [ 39.742638][ T926] do_exit.cold+0x82/0x9c [ 39.742641][ T926] ? exit_notify+0x890/0x890 [ 39.742643][ T926] ? __lock_release.isra.0+0x69/0x1a0 [ 39.742646][ T926] ? rcu_is_watching+0x16/0xd0 [ 39.742649][ T926] do_group_exit+0xb8/0x370 [ 39.742652][ T926] __x64_sys_exit_group+0x3c/0x50 [ 39.742654][ T926] x64_sys_call+0x1567/0x1570 [ 39.742656][ T926] do_syscall_64+0xff/0x530 [ 39.742660][ T926] ? exc_page_fault+0xee/0x100 [ 39.742663][ T926] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 39.742665][ T926] RIP: 0033:0x7f3c02d321b8 [ 39.742668][ T926] Code: Unable to access opcode bytes at 0x7f3c02d3218e. [ 39.742669][ T926] RSP: 002b:00007ffff3595728 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 39.742671][ T926] RAX: ffffffffffffffda RBX: 00007f3c02e62f88 RCX: 00007f3c02d321b8 [ 39.742672][ T926] RDX: 00007f3c02c6fa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 39.742673][ T926] RBP: 00007ffff3595780 R08: 0000000000000000 R09: 0000000000000000 [ 39.742674][ T926] R10: 00007ffff35955c0 R11: 0000000000000246 R12: 0000000000000001 [ 39.742675][ T926] R13: 0000000000000000 R14: 00007f3c02e61680 R15: 00007f3c02e62fa0 [ 39.742681][ T926] [ 52.281467][ T1227] udpgso_bench_tx (1227) used greatest stack depth: 21544 bytes left [ 52.281483][ T1227] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 52.281485][ T1227] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1227, name: udpgso_bench_tx [ 52.281487][ T1227] preempt_count: 2, expected: 0 [ 52.281488][ T1227] RCU nest depth: 0, expected: 0 [ 52.281489][ T1227] locks held by udpgso_bench_tx/1227: 5, last CPU#3: [ 52.281491][ T1227] #0: ffffffff978167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 52.281503][ T1227] #1: ffffffff9797ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 52.281507][ T1227] #2: ffffffff9797de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 52.281512][ T1227] #3: ffffffff9789d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 52.281516][ T1227] #4: ffffffff9789d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 52.281520][ T1227] irq event stamp: 46830 [ 52.281521][ T1227] hardirqs last enabled at (46829): [] __down_trylock_console_sem+0x86/0xa0 [ 52.281524][ T1227] hardirqs last disabled at (46830): [] console_emit_next_record+0x3d4/0x4c0 [ 52.281526][ T1227] softirqs last enabled at (46132): [] handle_softirqs+0x67c/0x900 [ 52.281528][ T1227] softirqs last disabled at (44457): [] __irq_exit_rcu+0x145/0x1c0 [ 52.281531][ T1227] Preemption disabled at: [ 52.281531][ T1227] [<0000000000000000>] 0x0 [ 52.281538][ T1227] CPU: 3 UID: 0 PID: 1227 Comm: udpgso_bench_tx Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 52.281542][ T1227] Tainted: [W]=WARN [ 52.281543][ T1227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.281545][ T1227] Call Trace: [ 52.281549][ T1227] [ 52.281550][ T1227] dump_stack_lvl+0x6f/0xa0 [ 52.281558][ T1227] __might_resched.cold+0x1fe/0x2c1 [ 52.281562][ T1227] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 52.281567][ T1227] ? __kmalloc_noprof+0xdb/0x760 [ 52.281571][ T1227] __kmalloc_noprof+0x443/0x760 [ 52.281573][ T1227] ? alloc_buf.isra.0+0x4b/0x260 [ 52.281580][ T1227] ? do_raw_spin_unlock+0x59/0x250 [ 52.281583][ T1227] alloc_buf.isra.0+0x4b/0x260 [ 52.281587][ T1227] put_chars+0x1e1/0x2f0 [ 52.281589][ T1227] ? __send_to_port+0x420/0x420 [ 52.281590][ T1227] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 52.281594][ T1227] ? validate_chain+0x38b/0xc20 [ 52.281600][ T1227] hvc_console_print+0x292/0x780 [ 52.281607][ T1227] ? hvc_write+0x3a0/0x3a0 [ 52.281610][ T1227] ? rcu_is_watching+0x16/0xd0 [ 52.281612][ T1227] ? lock_acquire+0x13c/0x160 [ 52.281616][ T1227] console_emit_next_record+0x22f/0x4c0 [ 52.281620][ T1227] ? devkmsg_read+0x4b0/0x4b0 [ 52.281622][ T1227] ? console_flush_one_record+0x106/0x710 [ 52.281626][ T1227] ? rcu_is_watching+0x16/0xd0 [ 52.281627][ T1227] ? lock_acquire+0x13c/0x160 [ 52.281631][ T1227] console_flush_one_record+0x46f/0x710 [ 52.281636][ T1227] ? console_emit_next_record+0x4c0/0x4c0 [ 52.281638][ T1227] ? __lock_acquire+0x518/0xc20 [ 52.281643][ T1227] console_unlock+0xee/0x1f0 [ 52.281646][ T1227] ? console_flush_one_record+0x710/0x710 [ 52.281648][ T1227] ? rcu_is_watching+0x16/0xd0 [ 52.281650][ T1227] ? lock_acquire+0xe0/0x160 [ 52.281654][ T1227] ? __down_trylock_console_sem+0x5e/0xa0 [ 52.281656][ T1227] ? vprintk_emit+0x320/0x3e0 [ 52.281658][ T1227] vprintk_emit+0x37c/0x3e0 [ 52.281662][ T1227] ? wake_up_klogd_work_func+0x90/0x90 [ 52.281663][ T1227] ? do_raw_spin_unlock+0x59/0x250 [ 52.281666][ T1227] ? __lock_acquire+0x518/0xc20 [ 52.281670][ T1227] _printk+0xc7/0x100 [ 52.281674][ T1227] ? snapshot_read.cold+0x21/0x21 [ 52.281677][ T1227] ? do_raw_spin_lock+0x131/0x280 [ 52.281680][ T1227] ? __rwlock_init+0x150/0x150 [ 52.281684][ T1227] ? do_raw_spin_lock+0x131/0x280 [ 52.281686][ T1227] do_exit.cold+0x82/0x9c [ 52.281690][ T1227] ? exit_notify+0x890/0x890 [ 52.281692][ T1227] ? __lock_release.isra.0+0x69/0x1a0 [ 52.281694][ T1227] ? rcu_is_watching+0x16/0xd0 [ 52.281698][ T1227] do_group_exit+0xb8/0x370 [ 52.281701][ T1227] __x64_sys_exit_group+0x3c/0x50 [ 52.281703][ T1227] x64_sys_call+0x1567/0x1570 [ 52.281705][ T1227] do_syscall_64+0xff/0x530 [ 52.281709][ T1227] ? exc_page_fault+0xee/0x100 [ 52.281712][ T1227] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 52.281715][ T1227] RIP: 0033:0x7f626b4561b8 [ 52.281717][ T1227] Code: Unable to access opcode bytes at 0x7f626b45618e. [ 52.281718][ T1227] RSP: 002b:00007ffe40e834a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 52.281720][ T1227] RAX: ffffffffffffffda RBX: 00007f626b586f88 RCX: 00007f626b4561b8 [ 52.281722][ T1227] RDX: 00007f626b393a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 52.281723][ T1227] RBP: 00007ffe40e83500 R08: 0000000000000000 R09: 0000000000000000 [ 52.281724][ T1227] R10: 00007ffe40e83340 R11: 0000000000000246 R12: 0000000000000001 [ 52.281724][ T1227] R13: 0000000000000000 R14: 00007f626b585680 R15: 00007f626b586fa0 [ 52.281731][ T1227] [ 54.183258][ T1301] udpgso_bench_tx (1301) used greatest stack depth: 20840 bytes left [ 54.183274][ T1301] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 54.183276][ T1301] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1301, name: udpgso_bench_tx [ 54.183278][ T1301] preempt_count: 2, expected: 0 [ 54.183279][ T1301] RCU nest depth: 0, expected: 0 [ 54.183280][ T1301] locks held by udpgso_bench_tx/1301: 5, last CPU#0: [ 54.183282][ T1301] #0: ffffffff978167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 54.183293][ T1301] #1: ffffffff9797ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 54.183298][ T1301] #2: ffffffff9797de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 54.183302][ T1301] #3: ffffffff9789d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 54.183306][ T1301] #4: ffffffff9789d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 54.183310][ T1301] irq event stamp: 53294 [ 54.183311][ T1301] hardirqs last enabled at (53293): [] __down_trylock_console_sem+0x86/0xa0 [ 54.183314][ T1301] hardirqs last disabled at (53294): [] console_emit_next_record+0x3d4/0x4c0 [ 54.183316][ T1301] softirqs last enabled at (52806): [] handle_softirqs+0x67c/0x900 [ 54.183318][ T1301] softirqs last disabled at (52675): [] __irq_exit_rcu+0x145/0x1c0 [ 54.183321][ T1301] Preemption disabled at: [ 54.183321][ T1301] [<0000000000000000>] 0x0 [ 54.183328][ T1301] CPU: 0 UID: 0 PID: 1301 Comm: udpgso_bench_tx Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 54.183331][ T1301] Tainted: [W]=WARN [ 54.183332][ T1301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 54.183334][ T1301] Call Trace: [ 54.183335][ T1301] [ 54.183341][ T1301] dump_stack_lvl+0x6f/0xa0 [ 54.183348][ T1301] __might_resched.cold+0x1fe/0x2c1 [ 54.183352][ T1301] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 54.183356][ T1301] ? __kmalloc_noprof+0xdb/0x760 [ 54.183361][ T1301] __kmalloc_noprof+0x443/0x760 [ 54.183362][ T1301] ? alloc_buf.isra.0+0x4b/0x260 [ 54.183369][ T1301] ? do_raw_spin_unlock+0x59/0x250 [ 54.183371][ T1301] alloc_buf.isra.0+0x4b/0x260 [ 54.183375][ T1301] put_chars+0x1e1/0x2f0 [ 54.183377][ T1301] ? __send_to_port+0x420/0x420 [ 54.183379][ T1301] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 54.183382][ T1301] ? validate_chain+0x38b/0xc20 [ 54.183388][ T1301] hvc_console_print+0x292/0x780 [ 54.183395][ T1301] ? hvc_write+0x3a0/0x3a0 [ 54.183398][ T1301] ? rcu_is_watching+0x16/0xd0 [ 54.183400][ T1301] ? lock_acquire+0x13c/0x160 [ 54.183404][ T1301] console_emit_next_record+0x22f/0x4c0 [ 54.183408][ T1301] ? devkmsg_read+0x4b0/0x4b0 [ 54.183409][ T1301] ? console_flush_one_record+0x106/0x710 [ 54.183412][ T1301] ? rcu_is_watching+0x16/0xd0 [ 54.183414][ T1301] ? lock_acquire+0x13c/0x160 [ 54.183418][ T1301] console_flush_one_record+0x46f/0x710 [ 54.183422][ T1301] ? console_emit_next_record+0x4c0/0x4c0 [ 54.183424][ T1301] ? __lock_acquire+0x518/0xc20 [ 54.183429][ T1301] console_unlock+0xee/0x1f0 [ 54.183432][ T1301] ? console_flush_one_record+0x710/0x710 [ 54.183434][ T1301] ? rcu_is_watching+0x16/0xd0 [ 54.183435][ T1301] ? lock_acquire+0xe0/0x160 [ 54.183439][ T1301] ? __down_trylock_console_sem+0x5e/0xa0 [ 54.183441][ T1301] ? vprintk_emit+0x320/0x3e0 [ 54.183444][ T1301] vprintk_emit+0x37c/0x3e0 [ 54.183447][ T1301] ? wake_up_klogd_work_func+0x90/0x90 [ 54.183448][ T1301] ? do_raw_spin_unlock+0x59/0x250 [ 54.183451][ T1301] ? __lock_acquire+0x518/0xc20 [ 54.183455][ T1301] _printk+0xc7/0x100 [ 54.183459][ T1301] ? snapshot_read.cold+0x21/0x21 [ 54.183461][ T1301] ? do_raw_spin_lock+0x131/0x280 [ 54.183464][ T1301] ? __rwlock_init+0x150/0x150 [ 54.183468][ T1301] ? do_raw_spin_lock+0x131/0x280 [ 54.183470][ T1301] do_exit.cold+0x82/0x9c [ 54.183474][ T1301] ? exit_notify+0x890/0x890 [ 54.183475][ T1301] ? __lock_release.isra.0+0x69/0x1a0 [ 54.183478][ T1301] ? rcu_is_watching+0x16/0xd0 [ 54.183482][ T1301] do_group_exit+0xb8/0x370 [ 54.183484][ T1301] __x64_sys_exit_group+0x3c/0x50 [ 54.183486][ T1301] x64_sys_call+0x1567/0x1570 [ 54.183489][ T1301] do_syscall_64+0xff/0x530 [ 54.183493][ T1301] ? exc_page_fault+0xee/0x100 [ 54.183495][ T1301] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 54.183498][ T1301] RIP: 0033:0x7f2ec6cf41b8 [ 54.183500][ T1301] Code: Unable to access opcode bytes at 0x7f2ec6cf418e. [ 54.183501][ T1301] RSP: 002b:00007ffdb1619158 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 54.183503][ T1301] RAX: ffffffffffffffda RBX: 00007f2ec6e24f88 RCX: 00007f2ec6cf41b8 [ 54.183505][ T1301] RDX: 00007f2ec6c31a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 54.183505][ T1301] RBP: 00007ffdb16191b0 R08: 0000000000000000 R09: 0000000000000000 [ 54.183506][ T1301] R10: 00007ffdb1618ff0 R11: 0000000000000246 R12: 0000000000000001 [ 54.183507][ T1301] R13: 0000000000000000 R14: 00007f2ec6e23680 R15: 00007f2ec6e24fa0 [ 54.183514][ T1301]