[ 343.455571][ T3489] Mirror/redirect action on [ 346.843528][ T3699] tc (3699) used greatest stack depth: 23888 bytes left [ 364.463712][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 364.464067][ C0] CPU: 0 UID: 0 PID: 3227 Comm: perl Not tainted 6.19.0-rc7-virtme #1 PREEMPT(full) [ 364.464071][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 364.464073][ C0] Call Trace: [ 364.464074][ C0] [ 364.464076][ C0] dump_stack_lvl+0x6f/0xa0 [ 364.464086][ C0] __report_bad_irq+0x66/0x161 [ 364.464091][ C0] note_interrupt.cold+0x21/0xe7 [ 364.464093][ C0] ? serial8250_get_port+0x50/0x50 [ 364.464097][ C0] ? poll_spurious_irqs+0x140/0x140 [ 364.464104][ C0] handle_irq_event+0x166/0x1c0 [ 364.464107][ C0] handle_edge_irq+0x2ec/0x880 [ 364.464111][ C0] __common_interrupt+0xae/0x270 [ 364.464114][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0 [ 364.464117][ C0] common_interrupt+0xb0/0xf0 [ 364.464122][ C0] [ 364.464122][ C0] [ 364.464124][ C0] asm_common_interrupt+0x26/0x40 [ 364.464127][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 364.464131][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 31 73 de fd 48 89 df e8 99 c4 de fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 f0 01 d2 fd 65 8b 05 29 34 05 02 85 c0 74 12 5b [ 364.464134][ C0] RSP: 0018:ffa000000257fa70 EFLAGS: 00000246 [ 364.464137][ C0] RAX: 0000000000000082 RBX: ffffffff9f593520 RCX: ffffffff9c4fec13 [ 364.464139][ C0] RDX: ff110000135b8040 RSI: ffffffff9cdb68b4 RDI: ffffffff9c86b280 [ 364.464140][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001 [ 364.464141][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff9f593628 [ 364.464141][ C0] R13: 0000000000000001 R14: ffffffff9f593660 R15: ff11000008c34c00 [ 364.464145][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 364.464150][ C0] uart_write+0x21d/0x940 [ 364.464154][ C0] process_output_block+0x117/0x6e0 [ 364.464160][ C0] n_tty_write+0x3a8/0x8f0 [ 364.464162][ C0] ? _copy_from_iter+0x1b6/0x1580 [ 364.464168][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 364.464170][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340 [ 364.464173][ C0] ? __init_waitqueue_head+0x160/0x160 [ 364.464176][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 364.464179][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 364.464183][ C0] iterate_tty_write+0x27d/0x550 [ 364.464187][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 364.464190][ C0] file_tty_write.isra.0+0x1a2/0x240 [ 364.464193][ C0] ? redirected_tty_write+0xd0/0xd0 [ 364.464195][ C0] new_sync_write+0x308/0x6f0 [ 364.464198][ C0] ? new_sync_read+0x3bb/0x6f0 [ 364.464201][ C0] ? new_sync_read+0x6f0/0x6f0 [ 364.464203][ C0] ? generic_atomic_write_valid+0x150/0x150 [ 364.464207][ C0] ? __lock_release.isra.0+0x59/0x170 [ 364.464213][ C0] vfs_write+0x65e/0xbb0 [ 364.464215][ C0] ? vfs_read+0x3cc/0x790 [ 364.464219][ C0] ksys_write+0xff/0x200 [ 364.464222][ C0] ? __ia32_sys_read+0xc0/0xc0 [ 364.464226][ C0] ? rcu_is_watching+0x15/0xd0 [ 364.464229][ C0] do_syscall_64+0xbd/0xfc0 [ 364.464233][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 364.464234][ C0] RIP: 0033:0x7f728bb89c5e [ 364.464238][ C0] Code: 4d 89 d8 e8 34 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [ 364.464239][ C0] RSP: 002b:00007ffdb248dc40 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 364.464241][ C0] RAX: ffffffffffffffda RBX: 0000557526ee0340 RCX: 00007f728bb89c5e [ 364.464242][ C0] RDX: 0000000000000001 RSI: 0000557526ee0340 RDI: 0000000000000001 [ 364.464242][ C0] RBP: 00007ffdb248dc50 R08: 0000000000000000 R09: 0000000000000000 [ 364.464243][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 364.464244][ C0] R13: 0000557526ea1010 R14: 0000000000000001 R15: 0000557526ee0340 [ 364.464251][ C0] [ 364.464252][ C0] handlers: [ 364.473842][ C0] [] serial8250_interrupt [ 364.474140][ C0] Disabling IRQ #51