[ 10.649291][ T182] ip (182) used greatest stack depth: 24064 bytes left [ 10.649308][ T182] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.649310][ T182] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 182, name: ip [ 10.649312][ T182] preempt_count: 2, expected: 0 [ 10.649313][ T182] RCU nest depth: 0, expected: 0 [ 10.649314][ T182] locks held by ip/182: 5, last CPU#3: [ 10.649316][ T182] #0: ffffffffb2c02f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 10.649327][ T182] #1: ffffffffb2d6a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.649333][ T182] #2: ffffffffb2d6a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.649336][ T182] #3: ffffffffb2c89de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.649339][ T182] #4: ffffffffb2c89ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.649343][ T182] irq event stamp: 49978 [ 10.649344][ T182] hardirqs last enabled at (49977): [] __down_trylock_console_sem+0x86/0xa0 [ 10.649347][ T182] hardirqs last disabled at (49978): [] console_emit_next_record+0x3d4/0x4c0 [ 10.649349][ T182] softirqs last enabled at (45548): [] handle_softirqs+0x67c/0x900 [ 10.649351][ T182] softirqs last disabled at (44973): [] __irq_exit_rcu+0x145/0x1c0 [ 10.649354][ T182] Preemption disabled at: [ 10.649355][ T182] [<0000000000000000>] 0x0 [ 10.649362][ T182] CPU: 3 UID: 0 PID: 182 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.649365][ T182] Tainted: [W]=WARN [ 10.649366][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.649368][ T182] Call Trace: [ 10.649370][ T182] [ 10.649371][ T182] dump_stack_lvl+0x6f/0xa0 [ 10.649377][ T182] __might_resched.cold+0x1fe/0x2c1 [ 10.649381][ T182] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.649385][ T182] ? __kmalloc_noprof+0xdb/0x760 [ 10.649390][ T182] __kmalloc_noprof+0x443/0x760 [ 10.649392][ T182] ? alloc_buf.isra.0+0x4b/0x260 [ 10.649399][ T182] ? do_raw_spin_unlock+0x59/0x250 [ 10.649402][ T182] alloc_buf.isra.0+0x4b/0x260 [ 10.649406][ T182] put_chars+0x1e1/0x2f0 [ 10.649409][ T182] ? __send_to_port+0x420/0x420 [ 10.649415][ T182] hvc_console_print+0x292/0x780 [ 10.649422][ T182] ? hvc_write+0x3a0/0x3a0 [ 10.649425][ T182] ? lock_acquire+0x13c/0x160 [ 10.649430][ T182] console_emit_next_record+0x22f/0x4c0 [ 10.649434][ T182] ? devkmsg_read+0x4b0/0x4b0 [ 10.649435][ T182] ? console_flush_one_record+0x106/0x710 [ 10.649438][ T182] ? rcu_is_watching+0x16/0xd0 [ 10.649441][ T182] ? lock_acquire+0x13c/0x160 [ 10.649446][ T182] console_flush_one_record+0x46f/0x710 [ 10.649449][ T182] ? console_emit_next_record+0x4c0/0x4c0 [ 10.649451][ T182] ? __lock_acquire+0x518/0xc20 [ 10.649456][ T182] console_unlock+0xee/0x1f0 [ 10.649458][ T182] ? console_flush_one_record+0x710/0x710 [ 10.649460][ T182] ? rcu_is_watching+0x16/0xd0 [ 10.649462][ T182] ? lock_acquire+0x60/0x160 [ 10.649466][ T182] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.649468][ T182] ? vprintk_emit+0x320/0x3e0 [ 10.649471][ T182] vprintk_emit+0x37c/0x3e0 [ 10.649474][ T182] ? wake_up_klogd_work_func+0x90/0x90 [ 10.649477][ T182] ? __lock_acquire+0x518/0xc20 [ 10.649481][ T182] _printk+0xc7/0x100 [ 10.649485][ T182] ? snapshot_read.cold+0x21/0x21 [ 10.649488][ T182] ? do_raw_spin_lock+0x131/0x280 [ 10.649490][ T182] ? __rwlock_init+0x150/0x150 [ 10.649495][ T182] ? do_raw_spin_lock+0x131/0x280 [ 10.649498][ T182] do_exit.cold+0x82/0x9c [ 10.649501][ T182] ? exit_notify+0x890/0x890 [ 10.649503][ T182] ? __lock_release.isra.0+0x69/0x1a0 [ 10.649506][ T182] ? rcu_is_watching+0x16/0xd0 [ 10.649510][ T182] do_group_exit+0xb8/0x370 [ 10.649513][ T182] __x64_sys_exit_group+0x3c/0x50 [ 10.649515][ T182] x64_sys_call+0x1567/0x1570 [ 10.649518][ T182] do_syscall_64+0x10e/0x570 [ 10.649521][ T182] ? exc_page_fault+0xee/0x100 [ 10.649525][ T182] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.649527][ T182] RIP: 0033:0x7f1f89ff81b8 [ 10.649529][ T182] Code: Unable to access opcode bytes at 0x7f1f89ff818e. [ 10.649530][ T182] RSP: 002b:00007ffc3fe575d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.649533][ T182] RAX: ffffffffffffffda RBX: 00007f1f8a128f88 RCX: 00007f1f89ff81b8 [ 10.649534][ T182] RDX: 00007f1f89d42fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.649535][ T182] RBP: 00007ffc3fe57630 R08: 0000000000000000 R09: 0000000000000000 [ 10.649536][ T182] R10: 00007ffc3fe573f0 R11: 0000000000000246 R12: 0000000000000001 [ 10.649537][ T182] R13: 0000000000000000 R14: 00007f1f8a127680 R15: 00007f1f8a128fa0 [ 10.649544][ T182] [ 10.892212][ T188] ip (188) used greatest stack depth: 23520 bytes left