[ 404.842310] Mirror/redirect action on [ 468.196138] irq 4: nobody cared (try booting with the "irqpoll" option) [ 468.196293] CPU: 3 PID: 9530 Comm: perl Not tainted 6.9.0-rc4-virtme #1 [ 468.196361] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 468.196469] Call Trace: [ 468.196500] [ 468.196532] dump_stack_lvl+0x55/0x70 [ 468.196583] __report_bad_irq+0x2b/0xc0 [ 468.196628] note_interrupt+0x2a7/0x2f0 [ 468.196666] handle_irq_event+0x72/0x80 [ 468.196705] handle_edge_irq+0x8b/0x230 [ 468.196743] __common_interrupt+0x3e/0xb0 [ 468.196784] common_interrupt+0x81/0xa0 [ 468.196826] [ 468.196851] [ 468.196880] asm_common_interrupt+0x26/0x40 [ 468.196931] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 468.196986] 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 dc 14 4e 79 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 468.197142] RSP: 0018:ffffa5ac899e3d38 EFLAGS: 00000286 [ 468.197201] RAX: 0000000000000000 RBX: ffffffff87ece240 RCX: 0000000000000017 [ 468.197274] RDX: ffffffff8674a05e RSI: 0000000000000282 RDI: ffffffff87ece240 [ 468.197346] RBP: 0000000000000001 R08: 0000006d14e53844 R09: 0000000000000001 [ 468.197417] R10: ffff8d4fc2c7edf8 R11: 0000000000000000 R12: 0000000000000001 [ 468.197481] R13: 0000000000000000 R14: ffff8d4fc2c7f801 R15: ffff8d4fc1fe4000 [ 468.197553] ? rpm_suspend+0x1ae/0x5e0 [ 468.197602] uart_write+0x103/0x1d0 [ 468.197648] n_tty_write+0x1a4/0x520 [ 468.197692] ? __pfx_woken_wake_function+0x10/0x10 [ 468.197742] file_tty_write.constprop.0+0x15b/0x340 [ 468.197792] vfs_write+0x336/0x460 [ 468.197841] ksys_write+0x63/0xe0 [ 468.197882] do_syscall_64+0xa8/0x1b0 [ 468.197929] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 468.197981] RIP: 0033:0x7f0f4d989957 [ 468.198024] 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 [ 468.198180] RSP: 002b:00007fffc999e9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 468.198251] RAX: ffffffffffffffda RBX: 00005595a36b2110 RCX: 00007f0f4d989957 [ 468.198320] RDX: 0000000000000001 RSI: 00005595a36b2110 RDI: 0000000000000001 [ 468.198393] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 468.198465] R10: 0000000000000001 R11: 0000000000000246 R12: 00005595a369e560 [ 468.198536] R13: 00005595a367f2a0 R14: 0000000000000001 R15: 00005595a369e560 [ 468.198601] [ 468.198628] handlers: [ 468.198649] [<00000000d556ed66>] serial8250_interrupt [ 468.198704] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr