[ 908.282283][ T4466] Mirror/redirect action on
[ 985.034026][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 985.034405][ C3] CPU: 3 PID: 4319 Comm: perl Not tainted 6.9.0-rc7-virtme #1
[ 985.034637][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 985.035007][ C3] Call Trace:
[ 985.035132][ C3]
[ 985.035217][ C3] dump_stack_lvl+0x82/0xd0
[ 985.035403][ C3] __report_bad_irq+0x5f/0x180
[ 985.035572][ C3] note_interrupt+0x6b3/0x860
[ 985.035734][ C3] handle_irq_event+0x16d/0x1c0
[ 985.035892][ C3] handle_edge_irq+0x1fa/0xb60
[ 985.036053][ C3] __common_interrupt+0x7c/0x180
[ 985.036214][ C3] common_interrupt+0x7e/0x90
[ 985.036370][ C3]
[ 985.036452][ C3]
[ 985.036536][ C3] asm_common_interrupt+0x26/0x40
[ 985.036691][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 985.036899][ C3] Code: 10 e8 71 63 99 fd 48 89 ef e8 a9 d3 99 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 e5 a6 ed 57 <74> 0e 5b 5d c3 cc cc cc cc e8 bf cd bc fd eb dc 0f 1f 44 00 00 5b
[ 985.037447][ C3] RSP: 0018:ffffc90000e5fa80 EFLAGS: 00000286
[ 985.037644][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff5669f86
[ 985.037876][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa8162131
[ 985.038107][ C3] RBP: ffffffffabc30220 R08: 0000000000000001 R09: fffffbfff56650b0
[ 985.038333][ C3] R10: ffffffffab328587 R11: 0000000000000000 R12: 0000000000000d8e
[ 985.038581][ C3] R13: ffffffffabc30328 R14: ffffffffabc30220 R15: ffff888004d00000
[ 985.038825][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 985.039025][ C3] uart_write+0x224/0x450
[ 985.039158][ C3] process_output_block+0x13e/0x790
[ 985.039317][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 985.039514][ C3] n_tty_write+0x412/0x7a0
[ 985.039673][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 985.039830][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 985.040006][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 985.040163][ C3] ? iterate_tty_write+0x95/0x540
[ 985.040323][ C3] ? lock_acquire+0x32/0xc0
[ 985.040481][ C3] ? iterate_tty_write+0x95/0x540
[ 985.040641][ C3] iterate_tty_write+0x228/0x540
[ 985.040796][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 985.040957][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 985.041112][ C3] vfs_write+0x9e5/0x10a0
[ 985.041232][ C3] ? __pfx___lock_release+0x10/0x10
[ 985.041388][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 985.041537][ C3] ? lock_acquire+0x32/0xc0
[ 985.041688][ C3] ? __pfx_vfs_write+0x10/0x10
[ 985.041845][ C3] ? __might_fault+0x11b/0x170
[ 985.042008][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 985.042202][ C3] ? __fget_light+0x53/0x1e0
[ 985.042363][ C3] ksys_write+0xf5/0x1e0
[ 985.042486][ C3] ? __pfx_ksys_write+0x10/0x10
[ 985.042650][ C3] do_syscall_64+0xc3/0x1d0
[ 985.042811][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 985.043000][ C3] RIP: 0033:0x7f1a4b693957
[ 985.043161][ 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
[ 985.043715][ C3] RSP: 002b:00007ffd7fd34578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 985.043954][ C3] RAX: ffffffffffffffda RBX: 0000556dd0381310 RCX: 00007f1a4b693957
[ 985.044183][ C3] RDX: 0000000000000001 RSI: 0000556dd0381310 RDI: 0000000000000001
[ 985.044413][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 985.044640][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000556dd036d5c0
[ 985.044864][ C3] R13: 0000556dd034e2a0 R14: 0000000000000001 R15: 0000556dd036d5c0
[ 985.045101][ C3]
[ 985.045216][ C3] handlers:
[ 985.045334][ C3] [] serial8250_interrupt
[ 985.045666][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr