[  396.589613] tc (4100) used greatest stack depth: 11952 bytes left
[  404.740744] irq 4: nobody cared (try booting with the "irqpoll" option)
[  404.740890] CPU: 3 UID: 0 PID: 3245 Comm: perl Not tainted 6.11.0-rc3-virtme #1
[  404.740971] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  404.741078] Call Trace:
[  404.741111]  <IRQ>
[  404.741145]  dump_stack_lvl+0x55/0x70
[  404.741195]  __report_bad_irq+0x2b/0xc0
[  404.741241]  note_interrupt+0x2a7/0x2f0
[  404.741278]  handle_irq_event+0x72/0x80
[  404.741330]  handle_edge_irq+0x8b/0x230
[  404.741367]  __common_interrupt+0x3c/0xb0
[  404.741412]  common_interrupt+0x80/0x90
[  404.741453]  </IRQ>
[  404.741476]  <TASK>
[  404.741503]  asm_common_interrupt+0x26/0x40
[  404.741545] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  404.741599] 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 c8 89 49 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  404.741763] RSP: 0018:ffffaf7f00e03d60 EFLAGS: 00000286
[  404.741813] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  404.741884] RDX: ffffffffb6386ded RSI: 0000000000000286 RDI: ffffffffb7cf8560
[  404.741951] RBP: ffff96ddc12a4000 R08: 0000005e51eed5b1 R09: 0000000000000001
[  404.742019] R10: ffff96ddc27901f8 R11: 0000000000000000 R12: ffffffffb7cf8560
[  404.742090] R13: 0000000000000286 R14: ffff96ddc2790800 R15: ffff96ddc2790000
[  404.742162]  ? rpm_suspend+0x1ad/0x5e0
[  404.742210]  uart_write+0x89/0x150
[  404.742258]  n_tty_write+0x1a6/0x520
[  404.742304]  ? __pfx_woken_wake_function+0x10/0x10
[  404.742359]  file_tty_write.constprop.0+0x14d/0x330
[  404.742411]  vfs_write+0x332/0x460
[  404.742458]  ksys_write+0x63/0xe0
[  404.742501]  do_syscall_64+0x9e/0x1a0
[  404.742539]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  404.742597] RIP: 0033:0x7f2d705f1957
[  404.742635] 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
[  404.742789] RSP: 002b:00007ffe8de876e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  404.742858] RAX: ffffffffffffffda RBX: 00005619eab200b0 RCX: 00007f2d705f1957
[  404.742925] RDX: 0000000000000001 RSI: 00005619eab200b0 RDI: 0000000000000001
[  404.742996] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  404.743068] R10: 0000000000000001 R11: 0000000000000246 R12: 00005619eab0c580
[  404.743141] R13: 00005619eaaed2a0 R14: 0000000000000001 R15: 00005619eab0c580
[  404.743213]  </TASK>
[  404.743238] handlers:
[  404.743265] [<0000000075cb3650>] serial8250_interrupt
[  404.743318] Disabling IRQ #4