[  317.805672] tc (2983) used greatest stack depth: 12232 bytes left
[  326.191818] irq 4: nobody cared (try booting with the "irqpoll" option)
[  326.191968] CPU: 3 PID: 2063 Comm: perl Not tainted 6.10.0-rc4-virtme #1
[  326.192029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  326.192120] Call Trace:
[  326.192148]  <IRQ>
[  326.192179]  dump_stack_lvl+0x55/0x70
[  326.192224]  __report_bad_irq+0x2b/0xc0
[  326.192261]  note_interrupt+0x2a7/0x2f0
[  326.192300]  handle_irq_event+0x72/0x80
[  326.192337]  handle_edge_irq+0x8b/0x230
[  326.192372]  __common_interrupt+0x3c/0xb0
[  326.192405]  common_interrupt+0x80/0x90
[  326.192448]  </IRQ>
[  326.192468]  <TASK>
[  326.192485]  asm_common_interrupt+0x26/0x40
[  326.192526] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  326.192575] 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 5c 45 8b 47 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  326.192699] RSP: 0018:ffffbb98c0a0bd60 EFLAGS: 00000286
[  326.192746] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  326.192817] RDX: ffffffffb837089d RSI: 0000000000000286 RDI: ffffffffb9ce7500
[  326.192876] RBP: ffff9655c1f58000 R08: 0000004c0527506d R09: 0000000000000001
[  326.192934] R10: ffff9655c1292df8 R11: 0000000000000000 R12: ffffffffb9ce7500
[  326.192994] R13: 0000000000000286 R14: ffff9655c1293000 R15: ffff9655c1292c00
[  326.193054]  ? rpm_suspend+0x1ad/0x5e0
[  326.193096]  uart_write+0x89/0x150
[  326.193133]  n_tty_write+0x1a6/0x520
[  326.193165]  ? __pfx_woken_wake_function+0x10/0x10
[  326.193209]  file_tty_write.constprop.0+0x14d/0x330
[  326.193253]  vfs_write+0x32f/0x460
[  326.193288]  ksys_write+0x63/0xe0
[  326.193319]  do_syscall_64+0x9e/0x1a0
[  326.193354]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.193401] RIP: 0033:0x7f8cc015a957
[  326.193437] 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
[  326.193575] RSP: 002b:00007ffe72072ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  326.193636] RAX: ffffffffffffffda RBX: 00005596e0d45110 RCX: 00007f8cc015a957
[  326.193694] RDX: 0000000000000001 RSI: 00005596e0d45110 RDI: 0000000000000001
[  326.193754] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  326.193813] R10: 0000000000000001 R11: 0000000000000246 R12: 00005596e0d31560
[  326.193872] R13: 00005596e0d122a0 R14: 0000000000000001 R15: 00005596e0d31560
[  326.193932]  </TASK>
[  326.193955] handlers:
[  326.193979] [<0000000035576b70>] serial8250_interrupt
[  326.194026] Disabling IRQ #4