[ 9.772174][ T186] ip (186) used greatest stack depth: 23920 bytes left [ 9.772189][ T186] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.772191][ T186] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 186, name: ip [ 9.772192][ T186] preempt_count: 2, expected: 0 [ 9.772193][ T186] RCU nest depth: 0, expected: 0 [ 9.772194][ T186] locks held by ip/186: 5, last CPU#0: [ 9.772196][ T186] #0: ffffffffa30027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.772215][ T186] #1: ffffffffa3169cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.772221][ T186] #2: ffffffffa3169d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.772227][ T186] #3: ffffffffa3089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.772232][ T186] #4: ffffffffa3089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.772236][ T186] irq event stamp: 30998 [ 9.772237][ T186] hardirqs last enabled at (30997): [] __down_trylock_console_sem+0x86/0xa0 [ 9.772240][ T186] hardirqs last disabled at (30998): [] console_emit_next_record+0x3d4/0x4c0 [ 9.772242][ T186] softirqs last enabled at (29716): [] netlink_release+0x17b/0xcf0 [ 9.772245][ T186] softirqs last disabled at (29714): [] netlink_release+0xd2/0xcf0 [ 9.772248][ T186] Preemption disabled at: [ 9.772248][ T186] [<0000000000000000>] 0x0 [ 9.772256][ T186] CPU: 0 UID: 0 PID: 186 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.772259][ T186] Tainted: [W]=WARN [ 9.772260][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.772262][ T186] Call Trace: [ 9.772263][ T186] [ 9.772265][ T186] dump_stack_lvl+0x6f/0xa0 [ 9.772271][ T186] __might_resched.cold+0x1fe/0x2c1 [ 9.772276][ T186] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.772280][ T186] ? __kmalloc_noprof+0xdb/0x760 [ 9.772285][ T186] __kmalloc_noprof+0x443/0x760 [ 9.772287][ T186] ? alloc_buf.isra.0+0x4b/0x260 [ 9.772293][ T186] ? do_raw_spin_unlock+0x59/0x250 [ 9.772295][ T186] alloc_buf.isra.0+0x4b/0x260 [ 9.772298][ T186] put_chars+0x1e1/0x2f0 [ 9.772301][ T186] ? __send_to_port+0x420/0x420 [ 9.772302][ T186] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.772307][ T186] ? validate_chain+0x38b/0xc20 [ 9.772312][ T186] hvc_console_print+0x292/0x780 [ 9.772318][ T186] ? hvc_write+0x3a0/0x3a0 [ 9.772320][ T186] ? rcu_is_watching+0x16/0xd0 [ 9.772323][ T186] ? lock_acquire+0x13c/0x160 [ 9.772327][ T186] console_emit_next_record+0x22f/0x4c0 [ 9.772331][ T186] ? devkmsg_read+0x4b0/0x4b0 [ 9.772332][ T186] ? console_flush_one_record+0x106/0x710 [ 9.772336][ T186] ? rcu_is_watching+0x16/0xd0 [ 9.772338][ T186] ? lock_acquire+0x13c/0x160 [ 9.772342][ T186] console_flush_one_record+0x46f/0x710 [ 9.772346][ T186] ? console_emit_next_record+0x4c0/0x4c0 [ 9.772348][ T186] ? __lock_acquire+0x518/0xc20 [ 9.772353][ T186] console_unlock+0xee/0x1f0 [ 9.772355][ T186] ? console_flush_one_record+0x710/0x710 [ 9.772357][ T186] ? rcu_is_watching+0x16/0xd0 [ 9.772359][ T186] ? lock_acquire+0x60/0x160 [ 9.772363][ T186] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.772365][ T186] ? vprintk_emit+0x320/0x3e0 [ 9.772368][ T186] vprintk_emit+0x37c/0x3e0 [ 9.772372][ T186] ? wake_up_klogd_work_func+0x90/0x90 [ 9.772375][ T186] ? __lock_acquire+0x518/0xc20 [ 9.772379][ T186] _printk+0xc7/0x100 [ 9.772382][ T186] ? snapshot_read.cold+0x21/0x21 [ 9.772385][ T186] ? do_raw_spin_lock+0x131/0x280 [ 9.772387][ T186] ? __rwlock_init+0x150/0x150 [ 9.772391][ T186] ? do_raw_spin_lock+0x131/0x280 [ 9.772394][ T186] do_exit.cold+0x82/0x9c [ 9.772398][ T186] ? exit_notify+0x890/0x890 [ 9.772400][ T186] ? __lock_release.isra.0+0x69/0x1a0 [ 9.772402][ T186] ? rcu_is_watching+0x16/0xd0 [ 9.772406][ T186] do_group_exit+0xb8/0x370 [ 9.772409][ T186] __x64_sys_exit_group+0x3c/0x50 [ 9.772411][ T186] x64_sys_call+0x1567/0x1570 [ 9.772413][ T186] do_syscall_64+0xff/0x530 [ 9.772416][ T186] ? exc_page_fault+0xee/0x100 [ 9.772419][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.772421][ T186] RIP: 0033:0x7fd7cfcf01b8 [ 9.772423][ T186] Code: Unable to access opcode bytes at 0x7fd7cfcf018e. [ 9.772425][ T186] RSP: 002b:00007ffc9e2161c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.772427][ T186] RAX: ffffffffffffffda RBX: 00007fd7cfe20f88 RCX: 00007fd7cfcf01b8 [ 9.772428][ T186] RDX: 00007fd7cfa3afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.772429][ T186] RBP: 00007ffc9e216220 R08: 0000000000000000 R09: 0000000000008010 [ 9.772430][ T186] R10: 00007ffc9e215fe0 R11: 0000000000000246 R12: 0000000000000001 [ 9.772431][ T186] R13: 0000000000000000 R14: 00007fd7cfe1f680 R15: 00007fd7cfe20fa0 [ 9.772438][ T186] [ 10.128104][ T206] ip (206) used greatest stack depth: 23856 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr