[ 378.339460] Mirror/redirect action on [ 389.145216] irq 4: nobody cared (try booting with the "irqpoll" option) [ 389.145338] CPU: 3 UID: 0 PID: 5071 Comm: perl Not tainted 6.11.0-rc7-virtme #1 [ 389.145400] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 389.145486] Call Trace: [ 389.145514] [ 389.145541] dump_stack_lvl+0x55/0x70 [ 389.145587] __report_bad_irq+0x2b/0xc0 [ 389.145631] note_interrupt+0x2a7/0x2f0 [ 389.145665] handle_irq_event+0x72/0x80 [ 389.145699] handle_edge_irq+0x8b/0x230 [ 389.145729] __common_interrupt+0x3c/0xb0 [ 389.145765] common_interrupt+0x80/0x90 [ 389.145804] [ 389.145825] [ 389.145848] asm_common_interrupt+0x26/0x40 [ 389.145888] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 389.145931] 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 2c 83 09 48 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 389.146049] RSP: 0018:ffffb28cc4c57d60 EFLAGS: 00000286 [ 389.146095] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017 [ 389.146148] RDX: ffffffffb7b882fd RSI: 0000000000000286 RDI: ffffffffb94f9360 [ 389.146200] RBP: ffff8c5b41ec8000 R08: 0000005aab20ab28 R09: 0000000000000001 [ 389.146253] R10: ffff8c5b412905f8 R11: 0000000000000000 R12: ffffffffb94f9360 [ 389.146305] R13: 0000000000000286 R14: ffff8c5b41291000 R15: ffff8c5b41290400 [ 389.146360] ? rpm_suspend+0x1ad/0x5e0 [ 389.146406] uart_write+0x89/0x150 [ 389.146440] n_tty_write+0x1a6/0x520 [ 389.146476] ? __pfx_woken_wake_function+0x10/0x10 [ 389.146517] file_tty_write.constprop.0+0x14d/0x330 [ 389.146555] vfs_write+0x332/0x460 [ 389.146592] ksys_write+0x63/0xe0 [ 389.146629] do_syscall_64+0x9e/0x1a0 [ 389.146662] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 389.146706] RIP: 0033:0x7f357c412957 [ 389.146739] 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 [ 389.146861] RSP: 002b:00007ffdccc65678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 389.146922] RAX: ffffffffffffffda RBX: 00005646092780b0 RCX: 00007f357c412957 [ 389.146976] RDX: 0000000000000001 RSI: 00005646092780b0 RDI: 0000000000000001 [ 389.147034] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 389.147088] R10: 0000000000000001 R11: 0000000000000246 R12: 0000564609264580 [ 389.147146] R13: 00005646092452a0 R14: 0000000000000001 R15: 0000564609264580 [ 389.147201] [ 389.147222] handlers: [ 389.147244] [<00000000e594b4e5>] serial8250_interrupt [ 389.147288] Disabling IRQ #4