[  307.222687] tc (3909) used greatest stack depth: 12456 bytes left
[  314.888711] irq 4: nobody cared (try booting with the "irqpoll" option)
[  314.888851] CPU: 3 PID: 2674 Comm: perl Not tainted 6.8.0-virtme #1
[  314.888914] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  314.889012] Call Trace:
[  314.889041]  <IRQ>
[  314.889067]  dump_stack_lvl+0x55/0x70
[  314.889111]  __report_bad_irq+0x2b/0xc0
[  314.889148]  note_interrupt+0x2a7/0x2f0
[  314.889182]  handle_irq_event+0x72/0x80
[  314.889218]  handle_edge_irq+0x8b/0x230
[  314.889256]  __common_interrupt+0x3e/0xb0
[  314.889294]  common_interrupt+0x81/0xa0
[  314.889333]  </IRQ>
[  314.889357]  <TASK>
[  314.889376]  asm_common_interrupt+0x26/0x40
[  314.889414] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  314.889466] 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 4c 81 8e 65 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  314.889612] RSP: 0018:ffffa3ef83963d38 EFLAGS: 00000286
[  314.889659] RAX: 0000000000000000 RBX: ffffffff9bacb240 RCX: 0000000000000017
[  314.889717] RDX: ffffffff9a345f2e RSI: 0000000000000282 RDI: ffffffff9bacb240
[  314.889772] RBP: 0000000000000001 R08: 000000495e55a806 R09: 0000000000000001
[  314.889834] R10: ffff956ac12645f8 R11: 0000000000000000 R12: 0000000000000001
[  314.889891] R13: 0000000000000000 R14: ffff956ac1264c01 R15: ffff956ac20a0000
[  314.889950]  ? rpm_suspend+0x1ae/0x5e0
[  314.889991]  uart_write+0x103/0x1d0
[  314.890032]  n_tty_write+0x1a4/0x520
[  314.890068]  ? __pfx_woken_wake_function+0x10/0x10
[  314.890113]  file_tty_write.constprop.0+0x15b/0x340
[  314.890159]  vfs_write+0x336/0x460
[  314.890196]  ksys_write+0x63/0xe0
[  314.890233]  do_syscall_64+0xad/0x1b0
[  314.890269]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  314.890317] RIP: 0033:0x7f7d81871957
[  314.890350] 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
[  314.890494] RSP: 002b:00007ffd1dbea278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  314.890560] RAX: ffffffffffffffda RBX: 0000560ce8ac4e70 RCX: 00007f7d81871957
[  314.890620] RDX: 0000000000000001 RSI: 0000560ce8ac4e70 RDI: 0000000000000001
[  314.890678] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  314.890737] R10: 0000000000000001 R11: 0000000000000246 R12: 0000560ce8ab1530
[  314.890794] R13: 0000560ce8a922a0 R14: 0000000000000001 R15: 0000560ce8ab1530
[  314.890853]  </TASK>
[  314.890872] handlers:
[  314.890892] [<0000000026a78418>] serial8250_interrupt
[  314.890940] Disabling IRQ #4

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