[ 9.589109][ T187] ip (187) used greatest stack depth: 24384 bytes left [ 9.589124][ T187] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.589127][ T187] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 187, name: ip [ 9.589128][ T187] preempt_count: 2, expected: 0 [ 9.589129][ T187] RCU nest depth: 0, expected: 0 [ 9.589130][ T187] locks held by ip/187: 5, last CPU#2: [ 9.589132][ T187] #0: ffffffffa8e02f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.589144][ T187] #1: ffffffffa8f6a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.589149][ T187] #2: ffffffffa8f6a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.589152][ T187] #3: ffffffffa8e89de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.589156][ T187] #4: ffffffffa8e89ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.589159][ T187] irq event stamp: 30572 [ 9.589160][ T187] hardirqs last enabled at (30571): [] __down_trylock_console_sem+0x86/0xa0 [ 9.589164][ T187] hardirqs last disabled at (30572): [] console_emit_next_record+0x3d4/0x4c0 [ 9.589165][ T187] softirqs last enabled at (29970): [] handle_softirqs+0x67c/0x900 [ 9.589168][ T187] softirqs last disabled at (29961): [] __irq_exit_rcu+0x145/0x1c0 [ 9.589170][ T187] Preemption disabled at: [ 9.589171][ T187] [<0000000000000000>] 0x0 [ 9.589178][ T187] CPU: 2 UID: 0 PID: 187 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.589181][ T187] Tainted: [W]=WARN [ 9.589182][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.589183][ T187] Call Trace: [ 9.589185][ T187] [ 9.589186][ T187] dump_stack_lvl+0x6f/0xa0 [ 9.589196][ T187] __might_resched.cold+0x1fe/0x2c1 [ 9.589201][ T187] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.589204][ T187] ? __kmalloc_noprof+0xdb/0x760 [ 9.589209][ T187] __kmalloc_noprof+0x443/0x760 [ 9.589212][ T187] ? alloc_buf.isra.0+0x4b/0x260 [ 9.589218][ T187] ? do_raw_spin_unlock+0x59/0x250 [ 9.589221][ T187] alloc_buf.isra.0+0x4b/0x260 [ 9.589224][ T187] put_chars+0x1e1/0x2f0 [ 9.589227][ T187] ? __send_to_port+0x420/0x420 [ 9.589233][ T187] hvc_console_print+0x292/0x780 [ 9.589240][ T187] ? hvc_write+0x3a0/0x3a0 [ 9.589243][ T187] ? lock_acquire+0x13c/0x160 [ 9.589247][ T187] console_emit_next_record+0x22f/0x4c0 [ 9.589250][ T187] ? devkmsg_read+0x4b0/0x4b0 [ 9.589252][ T187] ? console_flush_one_record+0x106/0x710 [ 9.589254][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.589258][ T187] ? lock_acquire+0x13c/0x160 [ 9.589262][ T187] console_flush_one_record+0x46f/0x710 [ 9.589265][ T187] ? console_emit_next_record+0x4c0/0x4c0 [ 9.589266][ T187] ? __lock_acquire+0x518/0xc20 [ 9.589272][ T187] console_unlock+0xee/0x1f0 [ 9.589274][ T187] ? console_flush_one_record+0x710/0x710 [ 9.589275][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.589277][ T187] ? lock_acquire+0x60/0x160 [ 9.589281][ T187] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.589283][ T187] ? vprintk_emit+0x320/0x3e0 [ 9.589286][ T187] vprintk_emit+0x37c/0x3e0 [ 9.589289][ T187] ? wake_up_klogd_work_func+0x90/0x90 [ 9.589292][ T187] ? __lock_acquire+0x518/0xc20 [ 9.589295][ T187] _printk+0xc7/0x100 [ 9.589299][ T187] ? snapshot_read.cold+0x21/0x21 [ 9.589302][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.589304][ T187] ? __rwlock_init+0x150/0x150 [ 9.589308][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.589311][ T187] do_exit.cold+0x82/0x9c [ 9.589315][ T187] ? exit_notify+0x890/0x890 [ 9.589316][ T187] ? __lock_release.isra.0+0x69/0x1a0 [ 9.589319][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.589323][ T187] do_group_exit+0xb8/0x370 [ 9.589326][ T187] __x64_sys_exit_group+0x3c/0x50 [ 9.589328][ T187] x64_sys_call+0x1567/0x1570 [ 9.589331][ T187] do_syscall_64+0x10e/0x570 [ 9.589334][ T187] ? exc_page_fault+0xee/0x100 [ 9.589338][ T187] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.589340][ T187] RIP: 0033:0x7ffb08bd81b8 [ 9.589342][ T187] Code: Unable to access opcode bytes at 0x7ffb08bd818e. [ 9.589343][ T187] RSP: 002b:00007ffd45e32b38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.589345][ T187] RAX: ffffffffffffffda RBX: 00007ffb08d08f88 RCX: 00007ffb08bd81b8 [ 9.589347][ T187] RDX: 00007ffb08922fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.589348][ T187] RBP: 00007ffd45e32b90 R08: 0000000000000000 R09: 0000000000000050 [ 9.589349][ T187] R10: 00007ffd45e32950 R11: 0000000000000246 R12: 0000000000000001 [ 9.589349][ T187] R13: 0000000000000000 R14: 00007ffb08d07680 R15: 00007ffb08d08fa0 [ 9.589356][ T187] [ 10.481769][ T213] ip (213) used greatest stack depth: 24320 bytes left