[ 9.218081][ T180] ip (180) used greatest stack depth: 24096 bytes left [ 9.218096][ T180] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.218098][ T180] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 180, name: ip [ 9.218100][ T180] preempt_count: 2, expected: 0 [ 9.218100][ T180] RCU nest depth: 0, expected: 0 [ 9.218101][ T180] locks held by ip/180: 5, last CPU#3: [ 9.218103][ T180] #0: ffffffff98202f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.218115][ T180] #1: ffffffff9836a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.218120][ T180] #2: ffffffff9836a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.218123][ T180] #3: ffffffff98289de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.218126][ T180] #4: ffffffff98289ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.218130][ T180] irq event stamp: 29456 [ 9.218131][ T180] hardirqs last enabled at (29455): [] __down_trylock_console_sem+0x86/0xa0 [ 9.218134][ T180] hardirqs last disabled at (29456): [] console_emit_next_record+0x3d4/0x4c0 [ 9.218136][ T180] softirqs last enabled at (28196): [] handle_softirqs+0x67c/0x900 [ 9.218138][ T180] softirqs last disabled at (27993): [] __irq_exit_rcu+0x145/0x1c0 [ 9.218140][ T180] Preemption disabled at: [ 9.218141][ T180] [<0000000000000000>] 0x0 [ 9.218147][ T180] CPU: 3 UID: 0 PID: 180 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.218151][ T180] Tainted: [W]=WARN [ 9.218152][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.218153][ T180] Call Trace: [ 9.218155][ T180] [ 9.218156][ T180] dump_stack_lvl+0x6f/0xa0 [ 9.218162][ T180] __might_resched.cold+0x1fe/0x2c1 [ 9.218166][ T180] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.218169][ T180] ? __kmalloc_noprof+0xdb/0x760 [ 9.218174][ T180] __kmalloc_noprof+0x443/0x760 [ 9.218176][ T180] ? alloc_buf.isra.0+0x4b/0x260 [ 9.218182][ T180] ? do_raw_spin_unlock+0x59/0x250 [ 9.218185][ T180] alloc_buf.isra.0+0x4b/0x260 [ 9.218188][ T180] put_chars+0x1e1/0x2f0 [ 9.218191][ T180] ? __send_to_port+0x420/0x420 [ 9.218198][ T180] hvc_console_print+0x292/0x780 [ 9.218204][ T180] ? hvc_write+0x3a0/0x3a0 [ 9.218207][ T180] ? lock_acquire+0x13c/0x160 [ 9.218212][ T180] console_emit_next_record+0x22f/0x4c0 [ 9.218215][ T180] ? devkmsg_read+0x4b0/0x4b0 [ 9.218216][ T180] ? console_flush_one_record+0x106/0x710 [ 9.218219][ T180] ? rcu_is_watching+0x16/0xd0 [ 9.218222][ T180] ? lock_acquire+0x13c/0x160 [ 9.218226][ T180] console_flush_one_record+0x46f/0x710 [ 9.218230][ T180] ? console_emit_next_record+0x4c0/0x4c0 [ 9.218231][ T180] ? __lock_acquire+0x518/0xc20 [ 9.218237][ T180] console_unlock+0xee/0x1f0 [ 9.218239][ T180] ? console_flush_one_record+0x710/0x710 [ 9.218240][ T180] ? rcu_is_watching+0x16/0xd0 [ 9.218242][ T180] ? lock_acquire+0x60/0x160 [ 9.218245][ T180] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.218247][ T180] ? vprintk_emit+0x320/0x3e0 [ 9.218250][ T180] vprintk_emit+0x37c/0x3e0 [ 9.218253][ T180] ? wake_up_klogd_work_func+0x90/0x90 [ 9.218256][ T180] ? __lock_acquire+0x518/0xc20 [ 9.218260][ T180] _printk+0xc7/0x100 [ 9.218264][ T180] ? snapshot_read.cold+0x21/0x21 [ 9.218266][ T180] ? do_raw_spin_lock+0x131/0x280 [ 9.218269][ T180] ? __rwlock_init+0x150/0x150 [ 9.218273][ T180] ? do_raw_spin_lock+0x131/0x280 [ 9.218276][ T180] do_exit.cold+0x82/0x9c [ 9.218279][ T180] ? exit_notify+0x890/0x890 [ 9.218281][ T180] ? __lock_release.isra.0+0x69/0x1a0 [ 9.218284][ T180] ? rcu_is_watching+0x16/0xd0 [ 9.218287][ T180] do_group_exit+0xb8/0x370 [ 9.218290][ T180] __x64_sys_exit_group+0x3c/0x50 [ 9.218292][ T180] x64_sys_call+0x1567/0x1570 [ 9.218295][ T180] do_syscall_64+0x10e/0x570 [ 9.218298][ T180] ? exc_page_fault+0xee/0x100 [ 9.218301][ T180] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.218304][ T180] RIP: 0033:0x7f580845f1b8 [ 9.218306][ T180] Code: Unable to access opcode bytes at 0x7f580845f18e. [ 9.218307][ T180] RSP: 002b:00007ffe91fec168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.218309][ T180] RAX: ffffffffffffffda RBX: 00007f580858ff88 RCX: 00007f580845f1b8 [ 9.218310][ T180] RDX: 00007f58081a9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.218311][ T180] RBP: 00007ffe91fec1c0 R08: 0000000000000000 R09: 0000000000000050 [ 9.218312][ T180] R10: 00007ffe91febf80 R11: 0000000000000246 R12: 0000000000000001 [ 9.218313][ T180] R13: 0000000000000000 R14: 00007f580858e680 R15: 00007f580858ffa0 [ 9.218320][ T180]