[ 1122.186362][ T7196] Mirror/redirect action on
[ 1145.108956][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1145.109384][    C3] CPU: 3 UID: 0 PID: 7049 Comm: perl Not tainted 6.11.0-rc6-virtme #1
[ 1145.109636][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1145.109991][    C3] Call Trace:
[ 1145.110117][    C3]  <IRQ>
[ 1145.110201][    C3]  dump_stack_lvl+0x82/0xd0
[ 1145.110369][    C3]  __report_bad_irq+0x5f/0x180
[ 1145.110529][    C3]  note_interrupt+0x6b3/0x860
[ 1145.110695][    C3]  handle_irq_event+0x16d/0x1c0
[ 1145.110852][    C3]  handle_edge_irq+0x1fa/0xb60
[ 1145.111014][    C3]  __common_interrupt+0x82/0x170
[ 1145.111182][    C3]  common_interrupt+0x7e/0x90
[ 1145.111340][    C3]  </IRQ>
[ 1145.111424][    C3]  <TASK>
[ 1145.111511][    C3]  asm_common_interrupt+0x26/0x40
[ 1145.111673][    C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1145.111878][    C3] Code: 10 e8 91 0b 8d fd 48 89 ef e8 39 7c 8d 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 d5 47 e1 49 <74> 0e 5b 5d c3 cc cc cc cc e8 0f 35 b1 fd eb dc 0f 1f 44 00 00 5b
[ 1145.112456][    C3] RSP: 0018:ffffc900025afab8 EFLAGS: 00000286
[ 1145.112657][    C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff72b8207
[ 1145.112898][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb6227ec1
[ 1145.113134][    C3] RBP: ffffffffb9e82260 R08: 0000000000000001 R09: fffffbfff72b3318
[ 1145.113370][    C3] R10: ffffffffb95998c7 R11: 0000000000000000 R12: ffffffffb9e82368
[ 1145.113609][    C3] R13: ffff88801d1e5800 R14: ffffffffb9e82260 R15: 0000000000000286
[ 1145.113860][    C3]  ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1145.114073][    C3]  uart_write+0x13e/0x320
[ 1145.114209][    C3]  process_output_block+0x13e/0x790
[ 1145.114366][    C3]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1145.114567][    C3]  n_tty_write+0x412/0x7a0
[ 1145.114729][    C3]  ? __pfx_n_tty_write+0x10/0x10
[ 1145.114884][    C3]  ? trace_lock_acquire+0x14d/0x1f0
[ 1145.115057][    C3]  ? __pfx_woken_wake_function+0x10/0x10
[ 1145.115225][    C3]  ? iterate_tty_write+0x95/0x540
[ 1145.115378][    C3]  ? lock_acquire+0x32/0xc0
[ 1145.115529][    C3]  ? iterate_tty_write+0x95/0x540
[ 1145.115687][    C3]  iterate_tty_write+0x228/0x540
[ 1145.115851][    C3]  ? tty_ldisc_ref_wait+0x28/0x80
[ 1145.116028][    C3]  file_tty_write.constprop.0+0x1db/0x370
[ 1145.116195][    C3]  vfs_write+0xa1b/0x10b0
[ 1145.116320][    C3]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1145.116492][    C3]  ? __pfx_vfs_write+0x10/0x10
[ 1145.116652][    C3]  ? clockevents_program_event+0xf6/0x300
[ 1145.116817][    C3]  ? __fget_light+0x53/0x1e0
[ 1145.116979][    C3]  ? clockevents_program_event+0x1ea/0x300
[ 1145.117181][    C3]  ksys_write+0xf5/0x1e0
[ 1145.117300][    C3]  ? __pfx_ksys_write+0x10/0x10
[ 1145.117475][    C3]  do_syscall_64+0xc1/0x1d0
[ 1145.117652][    C3]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1145.117852][    C3] RIP: 0033:0x7f24160cf957
[ 1145.118021][    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
[ 1145.118585][    C3] RSP: 002b:00007ffcf84cbd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1145.118826][    C3] RAX: ffffffffffffffda RBX: 000055ce846f52b0 RCX: 00007f24160cf957
[ 1145.119074][    C3] RDX: 0000000000000001 RSI: 000055ce846f52b0 RDI: 0000000000000001
[ 1145.119329][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1145.119566][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055ce846e05e0
[ 1145.119804][    C3] R13: 000055ce846c12a0 R14: 0000000000000001 R15: 000055ce846e05e0
[ 1145.120056][    C3]  </TASK>
[ 1145.120170][    C3] handlers:
[ 1145.120289][    C3] [<ffffffffb4b21000>] serial8250_interrupt
[ 1145.120661][    C3] Disabling IRQ #4