[ 9.353602][ T200] ip (200) used greatest stack depth: 24152 bytes left [ 9.353617][ T200] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.353619][ T200] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 200, name: ip [ 9.353621][ T200] preempt_count: 2, expected: 0 [ 9.353622][ T200] RCU nest depth: 0, expected: 0 [ 9.353623][ T200] locks held by ip/200: 5, last CPU#2: [ 9.353625][ T200] #0: ffffffff890167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.353635][ T200] #1: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.353640][ T200] #2: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.353644][ T200] #3: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.353648][ T200] #4: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.353652][ T200] irq event stamp: 20652 [ 9.353653][ T200] hardirqs last enabled at (20651): [] __down_trylock_console_sem+0x86/0xa0 [ 9.353656][ T200] hardirqs last disabled at (20652): [] console_emit_next_record+0x3d4/0x4c0 [ 9.353658][ T200] softirqs last enabled at (19462): [] handle_softirqs+0x67c/0x900 [ 9.353660][ T200] softirqs last disabled at (18317): [] __irq_exit_rcu+0x145/0x1c0 [ 9.353662][ T200] Preemption disabled at: [ 9.353663][ T200] [<0000000000000000>] 0x0 [ 9.353670][ T200] CPU: 2 UID: 0 PID: 200 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.353673][ T200] Tainted: [W]=WARN [ 9.353674][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.353675][ T200] Call Trace: [ 9.353677][ T200] [ 9.353678][ T200] dump_stack_lvl+0x6f/0xa0 [ 9.353685][ T200] __might_resched.cold+0x1fe/0x2c1 [ 9.353689][ T200] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.353693][ T200] ? __kmalloc_noprof+0xdb/0x760 [ 9.353697][ T200] __kmalloc_noprof+0x443/0x760 [ 9.353699][ T200] ? alloc_buf.isra.0+0x4b/0x260 [ 9.353706][ T200] ? do_raw_spin_unlock+0x59/0x250 [ 9.353709][ T200] alloc_buf.isra.0+0x4b/0x260 [ 9.353712][ T200] put_chars+0x1e1/0x2f0 [ 9.353715][ T200] ? __send_to_port+0x420/0x420 [ 9.353716][ T200] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.353719][ T200] ? validate_chain+0x38b/0xc20 [ 9.353724][ T200] hvc_console_print+0x292/0x780 [ 9.353732][ T200] ? hvc_write+0x3a0/0x3a0 [ 9.353734][ T200] ? rcu_is_watching+0x16/0xd0 [ 9.353736][ T200] ? lock_acquire+0x13c/0x160 [ 9.353740][ T200] console_emit_next_record+0x22f/0x4c0 [ 9.353744][ T200] ? devkmsg_read+0x4b0/0x4b0 [ 9.353746][ T200] ? console_flush_one_record+0x106/0x710 [ 9.353749][ T200] ? rcu_is_watching+0x16/0xd0 [ 9.353751][ T200] ? lock_acquire+0x13c/0x160 [ 9.353754][ T200] console_flush_one_record+0x46f/0x710 [ 9.353758][ T200] ? console_emit_next_record+0x4c0/0x4c0 [ 9.353760][ T200] ? __lock_acquire+0x518/0xc20 [ 9.353765][ T200] console_unlock+0xee/0x1f0 [ 9.353768][ T200] ? console_flush_one_record+0x710/0x710 [ 9.353770][ T200] ? rcu_is_watching+0x16/0xd0 [ 9.353772][ T200] ? lock_acquire+0xe0/0x160 [ 9.353775][ T200] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.353777][ T200] ? vprintk_emit+0x320/0x3e0 [ 9.353780][ T200] vprintk_emit+0x37c/0x3e0 [ 9.353783][ T200] ? wake_up_klogd_work_func+0x90/0x90 [ 9.353785][ T200] ? __lock_acquire+0x518/0xc20 [ 9.353789][ T200] _printk+0xc7/0x100 [ 9.353792][ T200] ? snapshot_read.cold+0x21/0x21 [ 9.353795][ T200] ? do_raw_spin_lock+0x131/0x280 [ 9.353798][ T200] ? __rwlock_init+0x150/0x150 [ 9.353802][ T200] ? do_raw_spin_lock+0x131/0x280 [ 9.353804][ T200] do_exit.cold+0x82/0x9c [ 9.353808][ T200] ? exit_notify+0x890/0x890 [ 9.353809][ T200] ? __lock_release.isra.0+0x69/0x1a0 [ 9.353812][ T200] ? rcu_is_watching+0x16/0xd0 [ 9.353815][ T200] do_group_exit+0xb8/0x370 [ 9.353818][ T200] __x64_sys_exit_group+0x3c/0x50 [ 9.353820][ T200] x64_sys_call+0x1567/0x1570 [ 9.353822][ T200] do_syscall_64+0xff/0x530 [ 9.353827][ T200] ? exc_page_fault+0xee/0x100 [ 9.353829][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.353831][ T200] RIP: 0033:0x7f904d66c1b8 [ 9.353833][ T200] Code: Unable to access opcode bytes at 0x7f904d66c18e. [ 9.353835][ T200] RSP: 002b:00007ffd59681548 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.353837][ T200] RAX: ffffffffffffffda RBX: 00007f904d79cf88 RCX: 00007f904d66c1b8 [ 9.353838][ T200] RDX: 00007f904d3b6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.353839][ T200] RBP: 00007ffd596815a0 R08: 0000000000000000 R09: 0000000000000050 [ 9.353840][ T200] R10: 00007ffd59681360 R11: 0000000000000246 R12: 0000000000000001 [ 9.353841][ T200] R13: 0000000000000000 R14: 00007f904d79b680 R15: 00007f904d79cfa0 [ 9.353847][ T200] [ 16.248643][ T280] ip (280) used greatest stack depth: 23472 bytes left [ 16.248661][ T280] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.248663][ T280] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 280, name: ip [ 16.248664][ T280] preempt_count: 2, expected: 0 [ 16.248665][ T280] RCU nest depth: 0, expected: 0 [ 16.248666][ T280] locks held by ip/280: 5, last CPU#1: [ 16.248668][ T280] #0: ffffffff890167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 16.248678][ T280] #1: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.248683][ T280] #2: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.248688][ T280] #3: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.248691][ T280] #4: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 16.248695][ T280] irq event stamp: 29944 [ 16.248696][ T280] hardirqs last enabled at (29943): [] __down_trylock_console_sem+0x86/0xa0 [ 16.248699][ T280] hardirqs last disabled at (29944): [] console_emit_next_record+0x3d4/0x4c0 [ 16.248701][ T280] softirqs last enabled at (29732): [] handle_softirqs+0x67c/0x900 [ 16.248703][ T280] softirqs last disabled at (29727): [] __irq_exit_rcu+0x145/0x1c0 [ 16.248706][ T280] Preemption disabled at: [ 16.248706][ T280] [<0000000000000000>] 0x0 [ 16.248713][ T280] CPU: 1 UID: 0 PID: 280 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.248716][ T280] Tainted: [W]=WARN [ 16.248717][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.248719][ T280] Call Trace: [ 16.248720][ T280] [ 16.248722][ T280] dump_stack_lvl+0x6f/0xa0 [ 16.248728][ T280] __might_resched.cold+0x1fe/0x2c1 [ 16.248733][ T280] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.248737][ T280] ? __kmalloc_noprof+0xdb/0x760 [ 16.248741][ T280] __kmalloc_noprof+0x443/0x760 [ 16.248743][ T280] ? alloc_buf.isra.0+0x4b/0x260 [ 16.248750][ T280] ? do_raw_spin_unlock+0x59/0x250 [ 16.248753][ T280] alloc_buf.isra.0+0x4b/0x260 [ 16.248756][ T280] put_chars+0x1e1/0x2f0 [ 16.248759][ T280] ? __send_to_port+0x420/0x420 [ 16.248760][ T280] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.248764][ T280] ? validate_chain+0x38b/0xc20 [ 16.248769][ T280] hvc_console_print+0x292/0x780 [ 16.248776][ T280] ? hvc_write+0x3a0/0x3a0 [ 16.248779][ T280] ? rcu_is_watching+0x16/0xd0 [ 16.248781][ T280] ? lock_acquire+0x13c/0x160 [ 16.248785][ T280] console_emit_next_record+0x22f/0x4c0 [ 16.248789][ T280] ? devkmsg_read+0x4b0/0x4b0 [ 16.248791][ T280] ? console_flush_one_record+0x106/0x710 [ 16.248794][ T280] ? rcu_is_watching+0x16/0xd0 [ 16.248796][ T280] ? lock_acquire+0x13c/0x160 [ 16.248799][ T280] console_flush_one_record+0x46f/0x710 [ 16.248804][ T280] ? console_emit_next_record+0x4c0/0x4c0 [ 16.248805][ T280] ? __lock_acquire+0x518/0xc20 [ 16.248811][ T280] console_unlock+0xee/0x1f0 [ 16.248813][ T280] ? console_flush_one_record+0x710/0x710 [ 16.248815][ T280] ? rcu_is_watching+0x16/0xd0 [ 16.248817][ T280] ? lock_acquire+0xe0/0x160 [ 16.248820][ T280] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.248822][ T280] ? vprintk_emit+0x320/0x3e0 [ 16.248825][ T280] vprintk_emit+0x37c/0x3e0 [ 16.248828][ T280] ? wake_up_klogd_work_func+0x90/0x90 [ 16.248831][ T280] ? __lock_acquire+0x518/0xc20 [ 16.248834][ T280] _printk+0xc7/0x100 [ 16.248838][ T280] ? snapshot_read.cold+0x21/0x21 [ 16.248841][ T280] ? do_raw_spin_lock+0x131/0x280 [ 16.248843][ T280] ? __rwlock_init+0x150/0x150 [ 16.248847][ T280] ? do_raw_spin_lock+0x131/0x280 [ 16.248850][ T280] do_exit.cold+0x82/0x9c [ 16.248853][ T280] ? exit_notify+0x890/0x890 [ 16.248855][ T280] ? __lock_release.isra.0+0x69/0x1a0 [ 16.248857][ T280] ? rcu_is_watching+0x16/0xd0 [ 16.248861][ T280] do_group_exit+0xb8/0x370 [ 16.248863][ T280] __x64_sys_exit_group+0x3c/0x50 [ 16.248865][ T280] x64_sys_call+0x1567/0x1570 [ 16.248868][ T280] do_syscall_64+0xff/0x530 [ 16.248872][ T280] ? exc_page_fault+0xee/0x100 [ 16.248875][ T280] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.248877][ T280] RIP: 0033:0x7f068450e1b8 [ 16.248879][ T280] Code: Unable to access opcode bytes at 0x7f068450e18e. [ 16.248880][ T280] RSP: 002b:00007fffe740af88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.248882][ T280] RAX: ffffffffffffffda RBX: 00007f068463ef88 RCX: 00007f068450e1b8 [ 16.248884][ T280] RDX: 00007f0684258fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 16.248885][ T280] RBP: 00007fffe740afe0 R08: 0000000000000000 R09: 0000000000000050 [ 16.248886][ T280] R10: 00007fffe740ada0 R11: 0000000000000246 R12: 0000000000000001 [ 16.248886][ T280] R13: 0000000000000000 R14: 00007f068463d680 R15: 00007f068463efa0 [ 16.248893][ T280]