[ 10.744557][ T200] ip (200) used greatest stack depth: 23896 bytes left [ 10.744574][ T200] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.744576][ T200] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 200, name: ip [ 10.744577][ T200] preempt_count: 2, expected: 0 [ 10.744578][ T200] RCU nest depth: 0, expected: 0 [ 10.744579][ T200] locks held by ip/200: 5, last CPU#2: [ 10.744581][ T200] #0: ffffffffa2a167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.744592][ T200] #1: ffffffffa2b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.744597][ T200] #2: ffffffffa2b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.744601][ T200] #3: ffffffffa2a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.744605][ T200] #4: ffffffffa2a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.744608][ T200] irq event stamp: 20784 [ 10.744609][ T200] hardirqs last enabled at (20783): [] __down_trylock_console_sem+0x86/0xa0 [ 10.744612][ T200] hardirqs last disabled at (20784): [] console_emit_next_record+0x3d4/0x4c0 [ 10.744614][ T200] softirqs last enabled at (19760): [] handle_softirqs+0x67c/0x900 [ 10.744616][ T200] softirqs last disabled at (19319): [] __irq_exit_rcu+0x145/0x1c0 [ 10.744618][ T200] Preemption disabled at: [ 10.744619][ T200] [<0000000000000000>] 0x0 [ 10.744626][ T200] CPU: 2 UID: 0 PID: 200 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.744629][ T200] Tainted: [W]=WARN [ 10.744630][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.744632][ T200] Call Trace: [ 10.744634][ T200] [ 10.744635][ T200] dump_stack_lvl+0x6f/0xa0 [ 10.744641][ T200] __might_resched.cold+0x1fe/0x2c1 [ 10.744646][ T200] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.744650][ T200] ? __kmalloc_noprof+0xdb/0x760 [ 10.744654][ T200] __kmalloc_noprof+0x443/0x760 [ 10.744656][ T200] ? alloc_buf.isra.0+0x4b/0x260 [ 10.744662][ T200] ? do_raw_spin_unlock+0x59/0x250 [ 10.744665][ T200] alloc_buf.isra.0+0x4b/0x260 [ 10.744669][ T200] put_chars+0x1e1/0x2f0 [ 10.744671][ T200] ? __send_to_port+0x420/0x420 [ 10.744672][ T200] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.744676][ T200] ? validate_chain+0x38b/0xc20 [ 10.744681][ T200] hvc_console_print+0x292/0x780 [ 10.744688][ T200] ? hvc_write+0x3a0/0x3a0 [ 10.744691][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.744693][ T200] ? lock_acquire+0x13c/0x160 [ 10.744697][ T200] console_emit_next_record+0x22f/0x4c0 [ 10.744701][ T200] ? devkmsg_read+0x4b0/0x4b0 [ 10.744703][ T200] ? console_flush_one_record+0x106/0x710 [ 10.744706][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.744708][ T200] ? lock_acquire+0x13c/0x160 [ 10.744711][ T200] console_flush_one_record+0x46f/0x710 [ 10.744715][ T200] ? console_emit_next_record+0x4c0/0x4c0 [ 10.744717][ T200] ? __lock_acquire+0x518/0xc20 [ 10.744723][ T200] console_unlock+0xee/0x1f0 [ 10.744725][ T200] ? console_flush_one_record+0x710/0x710 [ 10.744727][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.744729][ T200] ? lock_acquire+0xe0/0x160 [ 10.744732][ T200] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.744734][ T200] ? vprintk_emit+0x320/0x3e0 [ 10.744737][ T200] vprintk_emit+0x37c/0x3e0 [ 10.744740][ T200] ? wake_up_klogd_work_func+0x90/0x90 [ 10.744743][ T200] ? __lock_acquire+0x518/0xc20 [ 10.744746][ T200] _printk+0xc7/0x100 [ 10.744750][ T200] ? snapshot_read.cold+0x21/0x21 [ 10.744753][ T200] ? do_raw_spin_lock+0x131/0x280 [ 10.744756][ T200] ? __rwlock_init+0x150/0x150 [ 10.744759][ T200] ? do_raw_spin_lock+0x131/0x280 [ 10.744762][ T200] do_exit.cold+0x82/0x9c [ 10.744766][ T200] ? exit_notify+0x890/0x890 [ 10.744767][ T200] ? __lock_release.isra.0+0x69/0x1a0 [ 10.744770][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.744773][ T200] do_group_exit+0xb8/0x370 [ 10.744776][ T200] __x64_sys_exit_group+0x3c/0x50 [ 10.744778][ T200] x64_sys_call+0x1567/0x1570 [ 10.744780][ T200] do_syscall_64+0xff/0x530 [ 10.744784][ T200] ? exc_page_fault+0xee/0x100 [ 10.744787][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.744789][ T200] RIP: 0033:0x7fc51ba0e1b8 [ 10.744791][ T200] Code: Unable to access opcode bytes at 0x7fc51ba0e18e. [ 10.744792][ T200] RSP: 002b:00007ffe97f3bf18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.744795][ T200] RAX: ffffffffffffffda RBX: 00007fc51bb3ef88 RCX: 00007fc51ba0e1b8 [ 10.744796][ T200] RDX: 00007fc51b758fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.744797][ T200] RBP: 00007ffe97f3bf70 R08: 0000000000000000 R09: 0000000000000050 [ 10.744798][ T200] R10: 00007ffe97f3bd30 R11: 0000000000000246 R12: 0000000000000001 [ 10.744799][ T200] R13: 0000000000000000 R14: 00007fc51bb3d680 R15: 00007fc51bb3efa0 [ 10.744806][ T200] [ 11.157607][ T210] ip (210) used greatest stack depth: 23728 bytes left