[ 14.542493][ T322] udpgso_bench_tx (322) used greatest stack depth: 20944 bytes left [ 14.542511][ T322] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.542514][ T322] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 322, name: udpgso_bench_tx [ 14.542515][ T322] preempt_count: 2, expected: 0 [ 14.542516][ T322] RCU nest depth: 0, expected: 0 [ 14.542517][ T322] locks held by udpgso_bench_tx/322: 5, last CPU#3: [ 14.542519][ T322] #0: ffffffffab6167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 14.542530][ T322] #1: ffffffffab77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.542536][ T322] #2: ffffffffab77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.542540][ T322] #3: ffffffffab69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.542544][ T322] #4: ffffffffab69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.542548][ T322] irq event stamp: 51742 [ 14.542549][ T322] hardirqs last enabled at (51741): [] __down_trylock_console_sem+0x86/0xa0 [ 14.542552][ T322] hardirqs last disabled at (51742): [] console_emit_next_record+0x3d4/0x4c0 [ 14.542554][ T322] softirqs last enabled at (49714): [] handle_softirqs+0x67c/0x900 [ 14.542556][ T322] softirqs last disabled at (49327): [] __irq_exit_rcu+0x145/0x1c0 [ 14.542559][ T322] Preemption disabled at: [ 14.542559][ T322] [<0000000000000000>] 0x0 [ 14.542567][ T322] CPU: 3 UID: 0 PID: 322 Comm: udpgso_bench_tx Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.542570][ T322] Tainted: [W]=WARN [ 14.542571][ T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.542573][ T322] Call Trace: [ 14.542575][ T322] [ 14.542576][ T322] dump_stack_lvl+0x6f/0xa0 [ 14.542582][ T322] __might_resched.cold+0x1fe/0x2c1 [ 14.542587][ T322] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.542591][ T322] ? __kmalloc_noprof+0xdb/0x760 [ 14.542595][ T322] __kmalloc_noprof+0x443/0x760 [ 14.542597][ T322] ? alloc_buf.isra.0+0x4b/0x260 [ 14.542604][ T322] ? do_raw_spin_unlock+0x59/0x250 [ 14.542607][ T322] alloc_buf.isra.0+0x4b/0x260 [ 14.542610][ T322] put_chars+0x1e1/0x2f0 [ 14.542613][ T322] ? __send_to_port+0x420/0x420 [ 14.542614][ T322] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.542617][ T322] ? validate_chain+0x38b/0xc20 [ 14.542623][ T322] hvc_console_print+0x292/0x780 [ 14.542630][ T322] ? hvc_write+0x3a0/0x3a0 [ 14.542633][ T322] ? rcu_is_watching+0x16/0xd0 [ 14.542635][ T322] ? lock_acquire+0x13c/0x160 [ 14.542639][ T322] console_emit_next_record+0x22f/0x4c0 [ 14.542643][ T322] ? devkmsg_read+0x4b0/0x4b0 [ 14.542645][ T322] ? console_flush_one_record+0x106/0x710 [ 14.542648][ T322] ? rcu_is_watching+0x16/0xd0 [ 14.542650][ T322] ? lock_acquire+0x13c/0x160 [ 14.542654][ T322] console_flush_one_record+0x46f/0x710 [ 14.542658][ T322] ? console_emit_next_record+0x4c0/0x4c0 [ 14.542660][ T322] ? __lock_acquire+0x518/0xc20 [ 14.542665][ T322] console_unlock+0xee/0x1f0 [ 14.542668][ T322] ? console_flush_one_record+0x710/0x710 [ 14.542670][ T322] ? rcu_is_watching+0x16/0xd0 [ 14.542671][ T322] ? lock_acquire+0xe0/0x160 [ 14.542675][ T322] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.542677][ T322] ? vprintk_emit+0x320/0x3e0 [ 14.542679][ T322] vprintk_emit+0x37c/0x3e0 [ 14.542682][ T322] ? wake_up_klogd_work_func+0x90/0x90 [ 14.542684][ T322] ? do_raw_spin_unlock+0x59/0x250 [ 14.542687][ T322] ? __lock_acquire+0x518/0xc20 [ 14.542690][ T322] _printk+0xc7/0x100 [ 14.542694][ T322] ? snapshot_read.cold+0x21/0x21 [ 14.542697][ T322] ? do_raw_spin_lock+0x131/0x280 [ 14.542699][ T322] ? __rwlock_init+0x150/0x150 [ 14.542703][ T322] ? do_raw_spin_lock+0x131/0x280 [ 14.542706][ T322] do_exit.cold+0x82/0x9c [ 14.542710][ T322] ? exit_notify+0x890/0x890 [ 14.542711][ T322] ? __lock_release.isra.0+0x69/0x1a0 [ 14.542714][ T322] ? rcu_is_watching+0x16/0xd0 [ 14.542717][ T322] do_group_exit+0xb8/0x370 [ 14.542720][ T322] __x64_sys_exit_group+0x3c/0x50 [ 14.542722][ T322] x64_sys_call+0x1567/0x1570 [ 14.542725][ T322] do_syscall_64+0xff/0x530 [ 14.542728][ T322] ? exc_page_fault+0xee/0x100 [ 14.542731][ T322] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.542734][ T322] RIP: 0033:0x7f2500a8f1b8 [ 14.542736][ T322] Code: Unable to access opcode bytes at 0x7f2500a8f18e. [ 14.542737][ T322] RSP: 002b:00007ffd114af698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.542739][ T322] RAX: ffffffffffffffda RBX: 00007f2500bbff88 RCX: 00007f2500a8f1b8 [ 14.542741][ T322] RDX: 00007f25009cca48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 14.542742][ T322] RBP: 00007ffd114af6f0 R08: 0000000000000000 R09: 0000000000000000 [ 14.542742][ T322] R10: 00007ffd114af530 R11: 0000000000000246 R12: 0000000000000001 [ 14.542743][ T322] R13: 0000000000000000 R14: 00007f2500bbe680 R15: 00007f2500bbffa0 [ 14.542750][ T322] [ 63.253176][ T1302] udpgso_bench_tx (1302) used greatest stack depth: 20840 bytes left [ 63.253193][ T1302] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 63.253196][ T1302] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1302, name: udpgso_bench_tx [ 63.253197][ T1302] preempt_count: 2, expected: 0 [ 63.253198][ T1302] RCU nest depth: 0, expected: 0 [ 63.253199][ T1302] locks held by udpgso_bench_tx/1302: 5, last CPU#2: [ 63.253201][ T1302] #0: ffffffffab6167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 63.253213][ T1302] #1: ffffffffab77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 63.253218][ T1302] #2: ffffffffab77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 63.253222][ T1302] #3: ffffffffab69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 63.253226][ T1302] #4: ffffffffab69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 63.253230][ T1302] irq event stamp: 48908 [ 63.253231][ T1302] hardirqs last enabled at (48907): [] __down_trylock_console_sem+0x86/0xa0 [ 63.253234][ T1302] hardirqs last disabled at (48908): [] console_emit_next_record+0x3d4/0x4c0 [ 63.253236][ T1302] softirqs last enabled at (43508): [] tcp_close+0x2b/0xb0 [ 63.253240][ T1302] softirqs last disabled at (43506): [] release_sock+0x21/0x240 [ 63.253244][ T1302] Preemption disabled at: [ 63.253245][ T1302] [<0000000000000000>] 0x0 [ 63.253252][ T1302] CPU: 2 UID: 0 PID: 1302 Comm: udpgso_bench_tx Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 63.253255][ T1302] Tainted: [W]=WARN [ 63.253256][ T1302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.253258][ T1302] Call Trace: [ 63.253259][ T1302] [ 63.253261][ T1302] dump_stack_lvl+0x6f/0xa0 [ 63.253268][ T1302] __might_resched.cold+0x1fe/0x2c1 [ 63.253272][ T1302] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 63.253276][ T1302] ? __kmalloc_noprof+0xdb/0x760 [ 63.253281][ T1302] __kmalloc_noprof+0x443/0x760 [ 63.253282][ T1302] ? alloc_buf.isra.0+0x4b/0x260 [ 63.253289][ T1302] ? do_raw_spin_unlock+0x59/0x250 [ 63.253292][ T1302] alloc_buf.isra.0+0x4b/0x260 [ 63.253296][ T1302] put_chars+0x1e1/0x2f0 [ 63.253298][ T1302] ? __send_to_port+0x420/0x420 [ 63.253299][ T1302] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 63.253303][ T1302] ? validate_chain+0x38b/0xc20 [ 63.253309][ T1302] hvc_console_print+0x292/0x780 [ 63.253316][ T1302] ? hvc_write+0x3a0/0x3a0 [ 63.253319][ T1302] ? rcu_is_watching+0x16/0xd0 [ 63.253321][ T1302] ? lock_acquire+0x13c/0x160 [ 63.253325][ T1302] console_emit_next_record+0x22f/0x4c0 [ 63.253329][ T1302] ? devkmsg_read+0x4b0/0x4b0 [ 63.253331][ T1302] ? console_flush_one_record+0x106/0x710 [ 63.253334][ T1302] ? rcu_is_watching+0x16/0xd0 [ 63.253336][ T1302] ? lock_acquire+0x13c/0x160 [ 63.253340][ T1302] console_flush_one_record+0x46f/0x710 [ 63.253344][ T1302] ? console_emit_next_record+0x4c0/0x4c0 [ 63.253346][ T1302] ? __lock_acquire+0x518/0xc20 [ 63.253352][ T1302] console_unlock+0xee/0x1f0 [ 63.253355][ T1302] ? console_flush_one_record+0x710/0x710 [ 63.253357][ T1302] ? rcu_is_watching+0x16/0xd0 [ 63.253358][ T1302] ? lock_acquire+0xe0/0x160 [ 63.253362][ T1302] ? __down_trylock_console_sem+0x5e/0xa0 [ 63.253364][ T1302] ? vprintk_emit+0x320/0x3e0 [ 63.253367][ T1302] vprintk_emit+0x37c/0x3e0 [ 63.253370][ T1302] ? wake_up_klogd_work_func+0x90/0x90 [ 63.253371][ T1302] ? do_raw_spin_unlock+0x59/0x250 [ 63.253374][ T1302] ? __lock_acquire+0x518/0xc20 [ 63.253378][ T1302] _printk+0xc7/0x100 [ 63.253382][ T1302] ? snapshot_read.cold+0x21/0x21 [ 63.253384][ T1302] ? do_raw_spin_lock+0x131/0x280 [ 63.253387][ T1302] ? __rwlock_init+0x150/0x150 [ 63.253391][ T1302] ? do_raw_spin_lock+0x131/0x280 [ 63.253394][ T1302] do_exit.cold+0x82/0x9c [ 63.253398][ T1302] ? exit_notify+0x890/0x890 [ 63.253399][ T1302] ? __lock_release.isra.0+0x69/0x1a0 [ 63.253402][ T1302] ? rcu_is_watching+0x16/0xd0 [ 63.253405][ T1302] do_group_exit+0xb8/0x370 [ 63.253408][ T1302] __x64_sys_exit_group+0x3c/0x50 [ 63.253410][ T1302] x64_sys_call+0x1567/0x1570 [ 63.253413][ T1302] do_syscall_64+0xff/0x530 [ 63.253417][ T1302] ? exc_page_fault+0xee/0x100 [ 63.253420][ T1302] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 63.253422][ T1302] RIP: 0033:0x7f6d231d11b8 [ 63.253424][ T1302] Code: Unable to access opcode bytes at 0x7f6d231d118e. [ 63.253425][ T1302] RSP: 002b:00007ffdf8fad358 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 63.253428][ T1302] RAX: ffffffffffffffda RBX: 00007f6d23301f88 RCX: 00007f6d231d11b8 [ 63.253429][ T1302] RDX: 00007f6d2310ea48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 63.253430][ T1302] RBP: 00007ffdf8fad3b0 R08: 0000000000000000 R09: 0000000000000000 [ 63.253431][ T1302] R10: 00007ffdf8fad1f0 R11: 0000000000000246 R12: 0000000000000001 [ 63.253432][ T1302] R13: 0000000000000000 R14: 00007f6d23300680 R15: 00007f6d23301fa0 [ 63.253439][ T1302]