[ 9.722039][ T183] ip (183) used greatest stack depth: 24784 bytes left [ 9.722054][ T183] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.722056][ T183] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 183, name: ip [ 9.722058][ T183] preempt_count: 2, expected: 0 [ 9.722059][ T183] RCU nest depth: 0, expected: 0 [ 9.722060][ T183] locks held by ip/183: 5, last CPU#3: [ 9.722062][ T183] #0: ffffffff8c8027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.722074][ T183] #1: ffffffff8c999cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.722079][ T183] #2: ffffffff8c999d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.722083][ T183] #3: ffffffff8c889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.722087][ T183] #4: ffffffff8c889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 9.722090][ T183] irq event stamp: 32810 [ 9.722091][ T183] hardirqs last enabled at (32809): [] __down_trylock_console_sem+0x86/0xa0 [ 9.722094][ T183] hardirqs last disabled at (32810): [] console_emit_next_record+0x3f8/0x4f0 [ 9.722096][ T183] softirqs last enabled at (31258): [] netlink_release+0x17b/0xcf0 [ 9.722104][ T183] softirqs last disabled at (31256): [] netlink_release+0xd2/0xcf0 [ 9.722106][ T183] Preemption disabled at: [ 9.722107][ T183] [<0000000000000000>] 0x0 [ 9.722113][ T183] CPU: 3 UID: 0 PID: 183 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.722117][ T183] Tainted: [W]=WARN [ 9.722118][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.722119][ T183] Call Trace: [ 9.722121][ T183] [ 9.722123][ T183] dump_stack_lvl+0x6f/0xa0 [ 9.722129][ T183] __might_resched.cold+0x1fe/0x2c1 [ 9.722133][ T183] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.722137][ T183] ? __kmalloc_noprof+0xdb/0x760 [ 9.722142][ T183] __kmalloc_noprof+0x443/0x760 [ 9.722145][ T183] ? alloc_buf.isra.0+0x4b/0x260 [ 9.722151][ T183] ? do_raw_spin_unlock+0x59/0x250 [ 9.722153][ T183] alloc_buf.isra.0+0x4b/0x260 [ 9.722157][ T183] put_chars+0x1e1/0x2f0 [ 9.722161][ T183] ? __send_to_port+0x420/0x420 [ 9.722163][ T183] ? printk_get_next_message+0x2fe/0x7d0 [ 9.722166][ T183] ? rcu_read_lock_any_held+0x3c/0x90 [ 9.722170][ T183] ? validate_chain+0x38b/0xc20 [ 9.722174][ T183] hvc_console_print+0x292/0x780 [ 9.722179][ T183] ? __lock_acquire+0x518/0xc20 [ 9.722181][ T183] ? __lock_acquire+0x518/0xc20 [ 9.722185][ T183] ? hvc_write+0x3a0/0x3a0 [ 9.722189][ T183] ? rcu_is_watching+0x16/0xd0 [ 9.722191][ T183] ? lock_acquire+0x13c/0x160 [ 9.722196][ T183] console_emit_next_record+0x252/0x4f0 [ 9.722199][ T183] ? devkmsg_read+0x4e0/0x4e0 [ 9.722203][ T183] ? rcu_is_watching+0x16/0xd0 [ 9.722205][ T183] ? lock_acquire+0x13c/0x160 [ 9.722209][ T183] console_flush_one_record+0x46f/0x710 [ 9.722213][ T183] ? console_emit_next_record+0x4f0/0x4f0 [ 9.722214][ T183] ? __lock_acquire+0x518/0xc20 [ 9.722220][ T183] console_unlock+0xee/0x1f0 [ 9.722222][ T183] ? console_flush_one_record+0x710/0x710 [ 9.722224][ T183] ? rcu_is_watching+0x16/0xd0 [ 9.722226][ T183] ? lock_acquire+0x60/0x160 [ 9.722229][ T183] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.722231][ T183] ? vprintk_emit+0x320/0x3e0 [ 9.722234][ T183] vprintk_emit+0x37c/0x3e0 [ 9.722238][ T183] ? wake_up_klogd_work_func+0x90/0x90 [ 9.722241][ T183] ? __lock_acquire+0x518/0xc20 [ 9.722245][ T183] _printk+0xc7/0x100 [ 9.722248][ T183] ? snapshot_read.cold+0x21/0x21 [ 9.722251][ T183] ? do_raw_spin_lock+0x131/0x280 [ 9.722253][ T183] ? __rwlock_init+0x150/0x150 [ 9.722257][ T183] ? do_raw_spin_lock+0x131/0x280 [ 9.722259][ T183] do_exit.cold+0x82/0x9c [ 9.722263][ T183] ? exit_notify+0x890/0x890 [ 9.722264][ T183] ? __lock_release.isra.0+0x69/0x1a0 [ 9.722267][ T183] ? rcu_is_watching+0x16/0xd0 [ 9.722271][ T183] do_group_exit+0xb8/0x370 [ 9.722274][ T183] __x64_sys_exit_group+0x3c/0x50 [ 9.722276][ T183] x64_sys_call+0x1567/0x1570 [ 9.722279][ T183] do_syscall_64+0xff/0x530 [ 9.722282][ T183] ? exc_page_fault+0xee/0x100 [ 9.722285][ T183] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.722287][ T183] RIP: 0033:0x7f2fef4391b8 [ 9.722290][ T183] Code: Unable to access opcode bytes at 0x7f2fef43918e. [ 9.722291][ T183] RSP: 002b:00007fff8d0d3e28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.722293][ T183] RAX: ffffffffffffffda RBX: 00007f2fef569f88 RCX: 00007f2fef4391b8 [ 9.722295][ T183] RDX: 00007f2fef183fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.722296][ T183] RBP: 00007fff8d0d3e80 R08: 0000000000000000 R09: 0000000000008010 [ 9.722297][ T183] R10: 00007fff8d0d3c40 R11: 0000000000000246 R12: 0000000000000001 [ 9.722297][ T183] R13: 0000000000000000 R14: 00007f2fef568680 R15: 00007f2fef569fa0 [ 9.722304][ T183] [ 9.794708][ T185] team1: Port device dummy1 added [ 9.800902][ T185] ip (185) used greatest stack depth: 24528 bytes left [ 9.829643][ T186] team1: Port device dummy1 removed