[ 402.277851] Mirror/redirect action on [ 412.686181] irq 4: nobody cared (try booting with the "irqpoll" option) [ 412.686306] CPU: 3 PID: 9338 Comm: perl Not tainted 6.9.0-rc1-virtme #1 [ 412.686351] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 412.686421] Call Trace: [ 412.686448] [ 412.686474] dump_stack_lvl+0x55/0x70 [ 412.686508] __report_bad_irq+0x2b/0xc0 [ 412.686537] note_interrupt+0x2a7/0x2f0 [ 412.686561] handle_irq_event+0x72/0x80 [ 412.686593] handle_edge_irq+0x8b/0x230 [ 412.686619] __common_interrupt+0x3e/0xb0 [ 412.686651] common_interrupt+0x81/0xa0 [ 412.686681] [ 412.686697] [ 412.686718] asm_common_interrupt+0x26/0x40 [ 412.686748] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 412.686783] 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 cc 74 6e 78 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 412.686877] RSP: 0018:ffffb901809bbd38 EFLAGS: 00000286 [ 412.686915] RAX: 0000000000000000 RBX: ffffffff88ccb240 RCX: 0000000000000017 [ 412.686961] RDX: ffffffff875467be RSI: 0000000000000282 RDI: ffffffff88ccb240 [ 412.687005] RBP: 0000000000000001 R08: 00000060267611c4 R09: 0000000000000001 [ 412.687048] R10: ffff9f5c812591f8 R11: 0000000000000000 R12: 0000000000000001 [ 412.687092] R13: 0000000000000000 R14: ffff9f5c81259401 R15: ffff9f5c82024000 [ 412.687138] ? rpm_suspend+0x1ae/0x5e0 [ 412.687174] uart_write+0x103/0x1d0 [ 412.687205] n_tty_write+0x1a4/0x520 [ 412.687234] ? __pfx_woken_wake_function+0x10/0x10 [ 412.687268] file_tty_write.constprop.0+0x15b/0x340 [ 412.687300] vfs_write+0x336/0x460 [ 412.687333] ksys_write+0x63/0xe0 [ 412.687359] do_syscall_64+0xad/0x1b0 [ 412.687393] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 412.687425] RIP: 0033:0x7f738b034957 [ 412.687451] 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 [ 412.687547] RSP: 002b:00007ffd19e785c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 412.687590] RAX: ffffffffffffffda RBX: 000055740d906fb0 RCX: 00007f738b034957 [ 412.687635] RDX: 0000000000000001 RSI: 000055740d906fb0 RDI: 0000000000000001 [ 412.687679] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 412.687732] R10: 0000000000000001 R11: 0000000000000246 R12: 000055740d8f3530 [ 412.687776] R13: 000055740d8d42a0 R14: 0000000000000001 R15: 000055740d8f3530 [ 412.687821] [ 412.687839] handlers: [ 412.687858] [<000000007425148c>] serial8250_interrupt [ 412.687894] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr