[ 836.035988][ T4470] Mirror/redirect action on
[ 857.080789][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 857.081171][ C3] CPU: 3 PID: 4313 Comm: perl Not tainted 6.9.0-rc3-virtme #1
[ 857.081474][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 857.081890][ C3] Call Trace:
[ 857.082024][ C3]
[ 857.082124][ C3] dump_stack_lvl+0x82/0xd0
[ 857.082320][ C3] __report_bad_irq+0x5f/0x180
[ 857.082521][ C3] note_interrupt+0x6b3/0x860
[ 857.082711][ C3] handle_irq_event+0x16d/0x1c0
[ 857.082899][ C3] handle_edge_irq+0x1fa/0xb60
[ 857.083079][ C3] __common_interrupt+0x7c/0x180
[ 857.083303][ C3] common_interrupt+0x7e/0x90
[ 857.083486][ C3]
[ 857.083594][ C3]
[ 857.083685][ C3] asm_common_interrupt+0x26/0x40
[ 857.083861][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 857.084085][ C3] Code: 10 e8 71 c8 9a fd 48 89 ef e8 a9 38 9b 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 95 0d 2f 61 <74> 0e 5b 5d c3 cc cc cc cc e8 6f 35 be fd eb dc 0f 1f 44 00 00 5b
[ 857.084699][ C3] RSP: 0018:ffffc9000100fa80 EFLAGS: 00000286
[ 857.084930][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff43e9122
[ 857.085207][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9ed4ba81
[ 857.085472][ C3] RBP: ffffffffa28291a0 R08: 0000000000000001 R09: fffffbfff43e42b0
[ 857.085733][ C3] R10: ffffffffa1f21587 R11: 0000000000000000 R12: 0000000000000662
[ 857.085988][ C3] R13: ffffffffa28292a8 R14: ffffffffa28291a0 R15: ffff888004b50000
[ 857.086262][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 857.086481][ C3] uart_write+0x224/0x450
[ 857.086620][ C3] process_output_block+0x13e/0x790
[ 857.086798][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 857.087028][ C3] n_tty_write+0x412/0x7a0
[ 857.087206][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 857.087380][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 857.087561][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 857.087741][ C3] ? iterate_tty_write+0x95/0x540
[ 857.087909][ C3] ? lock_acquire+0x32/0xc0
[ 857.088085][ C3] ? iterate_tty_write+0x95/0x540
[ 857.088269][ C3] iterate_tty_write+0x228/0x540
[ 857.088457][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 857.088645][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 857.088823][ C3] vfs_write+0x9e5/0x10a0
[ 857.088958][ C3] ? __pfx___lock_release+0x10/0x10
[ 857.089134][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 857.089310][ C3] ? lock_acquire+0x32/0xc0
[ 857.089489][ C3] ? __pfx_vfs_write+0x10/0x10
[ 857.089667][ C3] ? __might_fault+0x11b/0x170
[ 857.089844][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0
[ 857.090065][ C3] ? __fget_light+0x53/0x1e0
[ 857.090249][ C3] ksys_write+0xf5/0x1e0
[ 857.090380][ C3] ? __pfx_ksys_write+0x10/0x10
[ 857.090568][ C3] do_syscall_64+0xc3/0x1d0
[ 857.090744][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 857.090962][ C3] RIP: 0033:0x7fd6961d9957
[ 857.091137][ 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
[ 857.091735][ C3] RSP: 002b:00007fff94e910e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 857.091990][ C3] RAX: ffffffffffffffda RBX: 000055fd07f711b0 RCX: 00007fd6961d9957
[ 857.092245][ C3] RDX: 0000000000000001 RSI: 000055fd07f711b0 RDI: 0000000000000001
[ 857.092501][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 857.092749][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055fd07f5d590
[ 857.092998][ C3] R13: 000055fd07f3e2a0 R14: 0000000000000001 R15: 000055fd07f5d590
[ 857.093255][ C3]
[ 857.093380][ C3] handlers:
[ 857.093515][ C3] [] serial8250_interrupt
[ 857.094197][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr