[ 1050.657930][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1050.658353][ C3] CPU: 3 PID: 3941 Comm: perl Not tainted 6.9.0-rc5-virtme #1
[ 1050.658622][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1050.659007][ C3] Call Trace:
[ 1050.659145][ C3]
[ 1050.659236][ C3] dump_stack_lvl+0x82/0xd0
[ 1050.659423][ C3] __report_bad_irq+0x5f/0x180
[ 1050.659617][ C3] note_interrupt+0x6b3/0x860
[ 1050.659792][ C3] handle_irq_event+0x16d/0x1c0
[ 1050.659971][ C3] handle_edge_irq+0x1fa/0xb60
[ 1050.660148][ C3] __common_interrupt+0x7c/0x180
[ 1050.660320][ C3] common_interrupt+0x7e/0x90
[ 1050.660496][ C3]
[ 1050.660586][ C3]
[ 1050.660672][ C3] asm_common_interrupt+0x26/0x40
[ 1050.660845][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1050.661059][ C3] Code: 10 e8 b1 13 9a fd 48 89 ef e8 e9 83 9a 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 05 5c ce 51 <74> 0e 5b 5d c3 cc cc cc cc e8 9f 7e bd fd eb dc 0f 1f 44 00 00 5b
[ 1050.661659][ C3] RSP: 0018:ffffc900012efa80 EFLAGS: 00000286
[ 1050.661879][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff62a9b3b
[ 1050.662139][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffae356c11
[ 1050.662400][ C3] RBP: ffffffffb1e2e1e0 R08: 0000000000000001 R09: fffffbfff62a4cb0
[ 1050.662656][ C3] R10: ffffffffb1526587 R11: 0000000000000000 R12: 0000000000000359
[ 1050.662916][ C3] R13: ffffffffb1e2e2e8 R14: ffffffffb1e2e1e0 R15: ffff888003940000
[ 1050.663184][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1050.663415][ C3] uart_write+0x224/0x450
[ 1050.663559][ C3] process_output_block+0x13e/0x790
[ 1050.663741][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 1050.663968][ C3] n_tty_write+0x412/0x7a0
[ 1050.664157][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1050.664336][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 1050.664514][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1050.664690][ C3] ? iterate_tty_write+0x95/0x540
[ 1050.664860][ C3] ? lock_acquire+0x32/0xc0
[ 1050.665027][ C3] ? iterate_tty_write+0x95/0x540
[ 1050.665219][ C3] iterate_tty_write+0x228/0x540
[ 1050.665431][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1050.665627][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 1050.665798][ C3] vfs_write+0x9e5/0x10a0
[ 1050.665934][ C3] ? __pfx___lock_release+0x10/0x10
[ 1050.666119][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1050.666304][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1050.666482][ C3] ? clockevents_program_event+0xf6/0x300
[ 1050.666666][ C3] ? ktime_get+0xb3/0x190
[ 1050.666801][ C3] ? __fget_light+0x53/0x1e0
[ 1050.666981][ C3] ? clockevents_program_event+0x1ea/0x300
[ 1050.667198][ C3] ksys_write+0xf5/0x1e0
[ 1050.667329][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1050.667513][ C3] do_syscall_64+0xc3/0x1d0
[ 1050.667692][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1050.667908][ C3] RIP: 0033:0x7fd984163957
[ 1050.668089][ 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
[ 1050.668675][ C3] RSP: 002b:00007ffddc17ea08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1050.668940][ C3] RAX: ffffffffffffffda RBX: 0000558d02c6d310 RCX: 00007fd984163957
[ 1050.669199][ C3] RDX: 0000000000000001 RSI: 0000558d02c6d310 RDI: 0000000000000001
[ 1050.669455][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1050.669719][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000558d02c595c0
[ 1050.669991][ C3] R13: 0000558d02c3a2a0 R14: 0000000000000001 R15: 0000558d02c595c0
[ 1050.670281][ C3]
[ 1050.670412][ C3] handlers:
[ 1050.670546][ C3] [] serial8250_interrupt
[ 1050.671288][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr