[ 1150.080951][ T8393] Mirror/redirect action on
[ 1215.344691][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1215.345144][ C3] CPU: 3 PID: 8246 Comm: perl Not tainted 6.10.0-virtme #1
[ 1215.345400][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1215.345790][ C3] Call Trace:
[ 1215.345920][ C3]
[ 1215.346009][ C3] dump_stack_lvl+0x82/0xd0
[ 1215.346189][ C3] __report_bad_irq+0x5f/0x180
[ 1215.346367][ C3] note_interrupt+0x6b3/0x860
[ 1215.346536][ C3] handle_irq_event+0x16d/0x1c0
[ 1215.346706][ C3] handle_edge_irq+0x1fa/0xb60
[ 1215.346879][ C3] __common_interrupt+0x82/0x170
[ 1215.347048][ C3] common_interrupt+0x7e/0x90
[ 1215.347218][ C3]
[ 1215.347310][ C3]
[ 1215.347400][ C3] asm_common_interrupt+0x26/0x40
[ 1215.347570][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1215.347788][ C3] Code: 10 e8 41 40 8e fd 48 89 ef e8 e9 b0 8e fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 15 c8 22 56 <74> 0e 5b 5d c3 cc cc cc cc e8 af 78 b2 fd eb dc 0f 1f 44 00 00 5b
[ 1215.348401][ C3] RSP: 0018:ffffc90007bffab8 EFLAGS: 00000286
[ 1215.348618][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff5a3718e
[ 1215.348873][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa9e100c1
[ 1215.349122][ C3] RBP: ffffffffada7a2a0 R08: 0000000000000001 R09: fffffbfff5a322b8
[ 1215.349371][ C3] R10: ffffffffad1915c7 R11: 0000000000000000 R12: ffffffffada7a3a8
[ 1215.349621][ C3] R13: ffff888005629c00 R14: ffffffffada7a2a0 R15: 0000000000000286
[ 1215.349894][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1215.350109][ C3] uart_write+0x13e/0x320
[ 1215.350242][ C3] process_output_block+0x13e/0x790
[ 1215.350421][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1215.350630][ C3] n_tty_write+0x412/0x7a0
[ 1215.350805][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1215.350970][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1215.351145][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1215.351315][ C3] ? iterate_tty_write+0x95/0x540
[ 1215.351481][ C3] ? lock_acquire+0x32/0xc0
[ 1215.351647][ C3] ? iterate_tty_write+0x95/0x540
[ 1215.351817][ C3] iterate_tty_write+0x228/0x540
[ 1215.351992][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1215.352164][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 1215.352336][ C3] vfs_write+0xa1b/0x10b0
[ 1215.352473][ C3] ? __pfx___lock_release+0x10/0x10
[ 1215.352644][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1215.352816][ C3] ? __might_fault+0xc3/0x170
[ 1215.352993][ C3] ? lock_acquire+0x32/0xc0
[ 1215.353161][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1215.353337][ C3] ? __might_fault+0x11b/0x170
[ 1215.353508][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 1215.353717][ C3] ? __fget_light+0x53/0x1e0
[ 1215.353891][ C3] ksys_write+0xf5/0x1e0
[ 1215.354017][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1215.354194][ C3] do_syscall_64+0xc1/0x1d0
[ 1215.354365][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1215.354572][ C3] RIP: 0033:0x7fb9e9dd4957
[ 1215.354745][ C3] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[ 1215.355324][ C3] RSP: 002b:00007fffa46afcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1215.355587][ C3] RAX: ffffffffffffffda RBX: 000055ca1bd1e310 RCX: 00007fb9e9dd4957
[ 1215.355831][ C3] RDX: 0000000000000001 RSI: 000055ca1bd1e310 RDI: 0000000000000001
[ 1215.356075][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1215.356322][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055ca1bd0a5c0
[ 1215.356570][ C3] R13: 000055ca1bceb2a0 R14: 0000000000000001 R15: 000055ca1bd0a5c0
[ 1215.356824][ C3]
[ 1215.356953][ C3] handlers:
[ 1215.357078][ C3] [] serial8250_interrupt
[ 1215.357413][ C3] Disabling IRQ #4