[ 429.333175] Mirror/redirect action on [ 440.531458] irq 4: nobody cared (try booting with the "irqpoll" option) [ 440.531593] CPU: 3 PID: 8051 Comm: perl Not tainted 6.10.0-virtme #1 [ 440.531656] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 440.531761] Call Trace: [ 440.531793] [ 440.531819] dump_stack_lvl+0x55/0x70 [ 440.531860] __report_bad_irq+0x2b/0xc0 [ 440.531901] note_interrupt+0x2a7/0x2f0 [ 440.531939] handle_irq_event+0x72/0x80 [ 440.531974] handle_edge_irq+0x8b/0x230 [ 440.532011] __common_interrupt+0x3c/0xb0 [ 440.532048] common_interrupt+0x80/0x90 [ 440.532085] [ 440.532113] [ 440.532133] asm_common_interrupt+0x26/0x40 [ 440.532172] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 440.532225] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d fc 27 ca 68 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 440.532372] RSP: 0018:ffffbf08c8803d60 EFLAGS: 00000286 [ 440.532420] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017 [ 440.532483] RDX: ffffffff96f7db2d RSI: 0000000000000282 RDI: ffffffff988f7580 [ 440.532550] RBP: ffff970401d58000 R08: 00000066a5988959 R09: 0000000000000001 [ 440.532619] R10: ffff970401292df8 R11: 0000000000000000 R12: ffffffff988f7580 [ 440.532687] R13: 0000000000000282 R14: ffff970401293c00 R15: ffff970401292c00 [ 440.532756] ? rpm_suspend+0x1ad/0x5e0 [ 440.532793] uart_write+0x89/0x150 [ 440.532829] n_tty_write+0x1a6/0x520 [ 440.532869] ? __pfx_woken_wake_function+0x10/0x10 [ 440.532913] file_tty_write.constprop.0+0x14d/0x330 [ 440.532957] vfs_write+0x332/0x460 [ 440.532995] ksys_write+0x63/0xe0 [ 440.533030] do_syscall_64+0x9e/0x1a0 [ 440.533068] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 440.533116] RIP: 0033:0x7f707c833957 [ 440.533152] 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 [ 440.533292] RSP: 002b:00007ffdac06a438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 440.533359] RAX: ffffffffffffffda RBX: 0000562f1d93ffd0 RCX: 00007f707c833957 [ 440.533428] RDX: 0000000000000001 RSI: 0000562f1d93ffd0 RDI: 0000000000000001 [ 440.533496] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 440.533564] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562f1d92c560 [ 440.533632] R13: 0000562f1d90d2a0 R14: 0000000000000001 R15: 0000562f1d92c560 [ 440.533694] [ 440.533720] handlers: [ 440.533747] [<00000000039814dc>] serial8250_interrupt [ 440.533799] Disabling IRQ #4