[ 10.551735][ T188] ip (188) used greatest stack depth: 24224 bytes left [ 10.551751][ T188] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.551753][ T188] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 188, name: ip [ 10.551754][ T188] preempt_count: 2, expected: 0 [ 10.551755][ T188] RCU nest depth: 0, expected: 0 [ 10.551756][ T188] locks held by ip/188: 5, last CPU#2: [ 10.551758][ T188] #0: ffffffff9b0027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.551771][ T188] #1: ffffffff9b169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.551776][ T188] #2: ffffffff9b169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.551780][ T188] #3: ffffffff9b089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.551784][ T188] #4: ffffffff9b089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.551788][ T188] irq event stamp: 33880 [ 10.551789][ T188] hardirqs last enabled at (33879): [] __down_trylock_console_sem+0x86/0xa0 [ 10.551792][ T188] hardirqs last disabled at (33880): [] console_emit_next_record+0x3d4/0x4c0 [ 10.551794][ T188] softirqs last enabled at (32596): [] netlink_release+0x17b/0xcf0 [ 10.551798][ T188] softirqs last disabled at (32594): [] netlink_release+0xd2/0xcf0 [ 10.551800][ T188] Preemption disabled at: [ 10.551801][ T188] [<0000000000000000>] 0x0 [ 10.551808][ T188] CPU: 2 UID: 0 PID: 188 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.551811][ T188] Tainted: [W]=WARN [ 10.551812][ T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.551814][ T188] Call Trace: [ 10.551815][ T188] [ 10.551817][ T188] dump_stack_lvl+0x6f/0xa0 [ 10.551823][ T188] __might_resched.cold+0x1fe/0x2c1 [ 10.551828][ T188] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.551832][ T188] ? __kmalloc_noprof+0xdb/0x760 [ 10.551837][ T188] __kmalloc_noprof+0x443/0x760 [ 10.551839][ T188] ? alloc_buf.isra.0+0x4b/0x260 [ 10.551844][ T188] ? do_raw_spin_unlock+0x59/0x250 [ 10.551847][ T188] alloc_buf.isra.0+0x4b/0x260 [ 10.551850][ T188] put_chars+0x1e1/0x2f0 [ 10.551853][ T188] ? __send_to_port+0x420/0x420 [ 10.551855][ T188] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.551860][ T188] ? validate_chain+0x38b/0xc20 [ 10.551865][ T188] hvc_console_print+0x292/0x780 [ 10.551871][ T188] ? hvc_write+0x3a0/0x3a0 [ 10.551873][ T188] ? rcu_is_watching+0x16/0xd0 [ 10.551875][ T188] ? lock_acquire+0x13c/0x160 [ 10.551879][ T188] console_emit_next_record+0x22f/0x4c0 [ 10.551883][ T188] ? devkmsg_read+0x4b0/0x4b0 [ 10.551885][ T188] ? console_flush_one_record+0x106/0x710 [ 10.551888][ T188] ? rcu_is_watching+0x16/0xd0 [ 10.551890][ T188] ? lock_acquire+0x13c/0x160 [ 10.551894][ T188] console_flush_one_record+0x46f/0x710 [ 10.551898][ T188] ? console_emit_next_record+0x4c0/0x4c0 [ 10.551900][ T188] ? __lock_acquire+0x518/0xc20 [ 10.551905][ T188] console_unlock+0xee/0x1f0 [ 10.551908][ T188] ? console_flush_one_record+0x710/0x710 [ 10.551910][ T188] ? rcu_is_watching+0x16/0xd0 [ 10.551912][ T188] ? lock_acquire+0x60/0x160 [ 10.551915][ T188] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.551917][ T188] ? vprintk_emit+0x320/0x3e0 [ 10.551921][ T188] vprintk_emit+0x37c/0x3e0 [ 10.551924][ T188] ? wake_up_klogd_work_func+0x90/0x90 [ 10.551928][ T188] ? __lock_acquire+0x518/0xc20 [ 10.551931][ T188] _printk+0xc7/0x100 [ 10.551935][ T188] ? snapshot_read.cold+0x21/0x21 [ 10.551938][ T188] ? do_raw_spin_lock+0x131/0x280 [ 10.551941][ T188] ? __rwlock_init+0x150/0x150 [ 10.551944][ T188] ? do_raw_spin_lock+0x131/0x280 [ 10.551947][ T188] do_exit.cold+0x82/0x9c [ 10.551951][ T188] ? exit_notify+0x890/0x890 [ 10.551953][ T188] ? __lock_release.isra.0+0x69/0x1a0 [ 10.551956][ T188] ? rcu_is_watching+0x16/0xd0 [ 10.551960][ T188] do_group_exit+0xb8/0x370 [ 10.551963][ T188] __x64_sys_exit_group+0x3c/0x50 [ 10.551964][ T188] x64_sys_call+0x1567/0x1570 [ 10.551966][ T188] do_syscall_64+0xff/0x530 [ 10.551969][ T188] ? exc_page_fault+0xee/0x100 [ 10.551972][ T188] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.551975][ T188] RIP: 0033:0x7f9b95fa11b8 [ 10.551977][ T188] Code: Unable to access opcode bytes at 0x7f9b95fa118e. [ 10.551978][ T188] RSP: 002b:00007ffd82905e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.551981][ T188] RAX: ffffffffffffffda RBX: 00007f9b960d1f88 RCX: 00007f9b95fa11b8 [ 10.551982][ T188] RDX: 00007f9b95cebfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.551983][ T188] RBP: 00007ffd82905ea0 R08: 0000000000000000 R09: 0000000000008010 [ 10.551984][ T188] R10: 00007ffd82905c60 R11: 0000000000000246 R12: 0000000000000001 [ 10.551990][ T188] R13: 0000000000000000 R14: 00007f9b960d0680 R15: 00007f9b960d1fa0 [ 10.551997][ T188] [ 11.378138][ T223] 8021q: 802.1Q VLAN Support v1.8