[ 8.974774][ T135] netdev (135) used greatest stack depth: 24704 bytes left [ 8.974789][ T135] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.974791][ T135] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 135, name: netdev [ 8.974793][ T135] preempt_count: 2, expected: 0 [ 8.974793][ T135] RCU nest depth: 0, expected: 0 [ 8.974794][ T135] locks held by netdev/135: 5, last CPU#3: [ 8.974797][ T135] #0: ffffffffb0c027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 8.974809][ T135] #1: ffffffffb0d69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 8.974815][ T135] #2: ffffffffb0d69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 8.974818][ T135] #3: ffffffffb0c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 8.974821][ T135] #4: ffffffffb0c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 8.974825][ T135] irq event stamp: 29116 [ 8.974826][ T135] hardirqs last enabled at (29115): [] __down_trylock_console_sem+0x86/0xa0 [ 8.974828][ T135] hardirqs last disabled at (29116): [] console_emit_next_record+0x3d4/0x4c0 [ 8.974830][ T135] softirqs last enabled at (28572): [] handle_softirqs+0x67c/0x900 [ 8.974833][ T135] softirqs last disabled at (28563): [] __irq_exit_rcu+0x145/0x1c0 [ 8.974836][ T135] Preemption disabled at: [ 8.974836][ T135] [<0000000000000000>] 0x0 [ 8.974843][ T135] CPU: 3 UID: 0 PID: 135 Comm: netdev Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.974846][ T135] Tainted: [W]=WARN [ 8.974847][ T135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.974849][ T135] Call Trace: [ 8.974850][ T135] [ 8.974852][ T135] dump_stack_lvl+0x6f/0xa0 [ 8.974858][ T135] __might_resched.cold+0x1fe/0x2c1 [ 8.974862][ T135] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.974866][ T135] ? __kmalloc_noprof+0xdb/0x760 [ 8.974871][ T135] __kmalloc_noprof+0x443/0x760 [ 8.974873][ T135] ? alloc_buf.isra.0+0x4b/0x260 [ 8.974880][ T135] ? do_raw_spin_unlock+0x59/0x250 [ 8.974883][ T135] alloc_buf.isra.0+0x4b/0x260 [ 8.974886][ T135] put_chars+0x1e1/0x2f0 [ 8.974889][ T135] ? __send_to_port+0x420/0x420 [ 8.974891][ T135] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 8.974896][ T135] ? validate_chain+0x38b/0xc20 [ 8.974901][ T135] hvc_console_print+0x292/0x780 [ 8.974908][ T135] ? hvc_write+0x3a0/0x3a0 [ 8.974910][ T135] ? rcu_is_watching+0x16/0xd0 [ 8.974913][ T135] ? lock_acquire+0x13c/0x160 [ 8.974916][ T135] console_emit_next_record+0x22f/0x4c0 [ 8.974920][ T135] ? devkmsg_read+0x4b0/0x4b0 [ 8.974922][ T135] ? console_flush_one_record+0x106/0x710 [ 8.974925][ T135] ? rcu_is_watching+0x16/0xd0 [ 8.974927][ T135] ? lock_acquire+0x13c/0x160 [ 8.974930][ T135] console_flush_one_record+0x46f/0x710 [ 8.974934][ T135] ? console_emit_next_record+0x4c0/0x4c0 [ 8.974936][ T135] ? __lock_acquire+0x518/0xc20 [ 8.974941][ T135] console_unlock+0xee/0x1f0 [ 8.974943][ T135] ? console_flush_one_record+0x710/0x710 [ 8.974945][ T135] ? rcu_is_watching+0x16/0xd0 [ 8.974947][ T135] ? lock_acquire+0x60/0x160 [ 8.974951][ T135] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.974952][ T135] ? vprintk_emit+0x320/0x3e0 [ 8.974955][ T135] vprintk_emit+0x37c/0x3e0 [ 8.974959][ T135] ? wake_up_klogd_work_func+0x90/0x90 [ 8.974962][ T135] ? __lock_acquire+0x518/0xc20 [ 8.974965][ T135] _printk+0xc7/0x100 [ 8.974969][ T135] ? snapshot_read.cold+0x21/0x21 [ 8.974972][ T135] ? do_raw_spin_lock+0x131/0x280 [ 8.974974][ T135] ? __rwlock_init+0x150/0x150 [ 8.974978][ T135] ? do_raw_spin_lock+0x131/0x280 [ 8.974980][ T135] do_exit.cold+0x82/0x9c [ 8.974984][ T135] ? exit_notify+0x890/0x890 [ 8.974986][ T135] ? __lock_release.isra.0+0x69/0x1a0 [ 8.974988][ T135] ? rcu_is_watching+0x16/0xd0 [ 8.974992][ T135] do_group_exit+0xb8/0x370 [ 8.974996][ T135] __x64_sys_exit_group+0x3c/0x50 [ 8.974998][ T135] x64_sys_call+0x1567/0x1570 [ 8.975000][ T135] do_syscall_64+0xff/0x530 [ 8.975004][ T135] ? exc_page_fault+0xee/0x100 [ 8.975007][ T135] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.975009][ T135] RIP: 0033:0x7f09f953d1b8 [ 8.975012][ T135] Code: Unable to access opcode bytes at 0x7f09f953d18e. [ 8.975013][ T135] RSP: 002b:00007ffea43ad4a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.975015][ T135] RAX: ffffffffffffffda RBX: 00007f09f9092000 RCX: 00007f09f953d1b8 [ 8.975017][ T135] RDX: 00007f09f90ab000 RSI: ffffffffffffff60 RDI: 0000000000000000 [ 8.975018][ T135] RBP: 00007f09f9092030 R08: 00007f09f95e0b00 R09: 0000000000000000 [ 8.975019][ T135] R10: 0000000000000018 R11: 0000000000000246 R12: 00007f09f900b800 [ 8.975019][ T135] R13: 00007b39f88e00d0 R14: 00007b09f76d04c0 R15: 00007b09f76d0030 [ 8.975026][ T135]