[ 10.363889][ T196] ip (196) used greatest stack depth: 24176 bytes left [ 10.363907][ T196] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.363910][ T196] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 196, name: ip [ 10.363912][ T196] preempt_count: 2, expected: 0 [ 10.363912][ T196] RCU nest depth: 0, expected: 0 [ 10.363913][ T196] locks held by ip/196: 5, last CPU#0: [ 10.363916][ T196] #0: ffffffffb12267b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.363929][ T196] #1: ffffffffb138dcc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.363935][ T196] #2: ffffffffb138dd38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.363939][ T196] #3: ffffffffb12ad660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.363942][ T196] #4: ffffffffb12ad560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.363946][ T196] irq event stamp: 32476 [ 10.363947][ T196] hardirqs last enabled at (32475): [] __down_trylock_console_sem+0x86/0xa0 [ 10.363949][ T196] hardirqs last disabled at (32476): [] console_emit_next_record+0x3d4/0x4c0 [ 10.363951][ T196] softirqs last enabled at (31330): [] handle_softirqs+0x67c/0x900 [ 10.363953][ T196] softirqs last disabled at (31325): [] __irq_exit_rcu+0x145/0x1c0 [ 10.363955][ T196] Preemption disabled at: [ 10.363956][ T196] [<0000000000000000>] 0x0 [ 10.363962][ T196] CPU: 0 UID: 0 PID: 196 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.363965][ T196] Tainted: [W]=WARN [ 10.363966][ T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.363968][ T196] Call Trace: [ 10.363970][ T196] [ 10.363977][ T196] dump_stack_lvl+0x6f/0xa0 [ 10.363983][ T196] __might_resched.cold+0x1fe/0x2c1 [ 10.363988][ T196] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.363991][ T196] ? __kmalloc_noprof+0xdb/0x760 [ 10.363996][ T196] __kmalloc_noprof+0x443/0x760 [ 10.363998][ T196] ? alloc_buf.isra.0+0x4b/0x260 [ 10.364005][ T196] ? do_raw_spin_unlock+0x59/0x250 [ 10.364008][ T196] alloc_buf.isra.0+0x4b/0x260 [ 10.364011][ T196] put_chars+0x1e1/0x2f0 [ 10.364014][ T196] ? __send_to_port+0x420/0x420 [ 10.364016][ T196] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.364021][ T196] ? validate_chain+0x38b/0xc20 [ 10.364026][ T196] hvc_console_print+0x292/0x780 [ 10.364034][ T196] ? hvc_write+0x3a0/0x3a0 [ 10.364036][ T196] ? rcu_is_watching+0x16/0xd0 [ 10.364038][ T196] ? lock_acquire+0x13c/0x160 [ 10.364042][ T196] console_emit_next_record+0x22f/0x4c0 [ 10.364046][ T196] ? devkmsg_read+0x4b0/0x4b0 [ 10.364047][ T196] ? console_flush_one_record+0x106/0x710 [ 10.364050][ T196] ? rcu_is_watching+0x16/0xd0 [ 10.364052][ T196] ? lock_acquire+0x13c/0x160 [ 10.364056][ T196] console_flush_one_record+0x46f/0x710 [ 10.364060][ T196] ? console_emit_next_record+0x4c0/0x4c0 [ 10.364062][ T196] ? __lock_acquire+0x518/0xc20 [ 10.364067][ T196] console_unlock+0xee/0x1f0 [ 10.364069][ T196] ? console_flush_one_record+0x710/0x710 [ 10.364071][ T196] ? rcu_is_watching+0x16/0xd0 [ 10.364073][ T196] ? lock_acquire+0x60/0x160 [ 10.364078][ T196] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.364080][ T196] ? vprintk_emit+0x320/0x3e0 [ 10.364083][ T196] vprintk_emit+0x37c/0x3e0 [ 10.364087][ T196] ? wake_up_klogd_work_func+0x90/0x90 [ 10.364090][ T196] ? __lock_acquire+0x518/0xc20 [ 10.364094][ T196] _printk+0xc7/0x100 [ 10.364097][ T196] ? snapshot_read.cold+0x21/0x21 [ 10.364100][ T196] ? do_raw_spin_lock+0x131/0x280 [ 10.364102][ T196] ? __rwlock_init+0x150/0x150 [ 10.364106][ T196] ? do_raw_spin_lock+0x131/0x280 [ 10.364109][ T196] do_exit.cold+0x82/0x9c [ 10.364112][ T196] ? exit_notify+0x890/0x890 [ 10.364114][ T196] ? __lock_release.isra.0+0x69/0x1a0 [ 10.364117][ T196] ? rcu_is_watching+0x16/0xd0 [ 10.364120][ T196] do_group_exit+0xb8/0x370 [ 10.364124][ T196] __x64_sys_exit_group+0x3c/0x50 [ 10.364126][ T196] x64_sys_call+0x1567/0x1570 [ 10.364128][ T196] do_syscall_64+0xff/0x530 [ 10.364131][ T196] ? exc_page_fault+0xee/0x100 [ 10.364135][ T196] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.364137][ T196] RIP: 0033:0x7f6fb7eab1b8 [ 10.364139][ T196] Code: Unable to access opcode bytes at 0x7f6fb7eab18e. [ 10.364140][ T196] RSP: 002b:00007fff2d05eb68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.364143][ T196] RAX: ffffffffffffffda RBX: 00007f6fb7fdbf88 RCX: 00007f6fb7eab1b8 [ 10.364144][ T196] RDX: 00007f6fb7bf5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.364145][ T196] RBP: 00007fff2d05ebc0 R08: 0000000000000000 R09: 0000000000000050 [ 10.364146][ T196] R10: 00007fff2d05e980 R11: 0000000000000246 R12: 0000000000000001 [ 10.364146][ T196] R13: 0000000000000000 R14: 00007f6fb7fda680 R15: 00007f6fb7fdbfa0 [ 10.364153][ T196] [ 10.866168][ T208] ip (208) used greatest stack depth: 24120 bytes left [ 10.967370][ T210] ip (210) used greatest stack depth: 23984 bytes left