[  386.578492] tc (4254) used greatest stack depth: 11888 bytes left
[  390.985013] irq 4: nobody cared (try booting with the "irqpoll" option)
[  390.985138] CPU: 3 PID: 2529 Comm: perl Not tainted 6.9.0-rc1-virtme #1
[  390.985196] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  390.985290] Call Trace:
[  390.985318]  <IRQ>
[  390.985343]  dump_stack_lvl+0x55/0x70
[  390.985385]  __report_bad_irq+0x2b/0xc0
[  390.985421]  note_interrupt+0x2a7/0x2f0
[  390.985454]  handle_irq_event+0x72/0x80
[  390.985488]  handle_edge_irq+0x8b/0x230
[  390.985522]  __common_interrupt+0x3e/0xb0
[  390.985558]  common_interrupt+0x81/0xa0
[  390.985594]  </IRQ>
[  390.985614]  <TASK>
[  390.985633]  asm_common_interrupt+0x26/0x40
[  390.985669] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  390.985718] 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 64 ae 52 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  390.985849] RSP: 0018:ffffb95dc062bd38 EFLAGS: 00000286
[  390.985892] RAX: 0000000000000000 RBX: ffffffffae8cb240 RCX: 0000000000000017
[  390.985951] RDX: ffffffffad14678e RSI: 0000000000000282 RDI: ffffffffae8cb240
[  390.986003] RBP: 0000000000000001 R08: 0000005b197c7010 R09: 0000000000000001
[  390.986054] R10: ffff9cc142cf85f8 R11: 0000000000000000 R12: 0000000000000001
[  390.986107] R13: 0000000000000000 R14: ffff9cc142cf9001 R15: ffff9cc141f2c000
[  390.986165]  ? rpm_suspend+0x1ae/0x5e0
[  390.986206]  uart_write+0x103/0x1d0
[  390.986245]  n_tty_write+0x1a4/0x520
[  390.986282]  ? __pfx_woken_wake_function+0x10/0x10
[  390.986327]  file_tty_write.constprop.0+0x15b/0x340
[  390.986371]  vfs_write+0x336/0x460
[  390.986406]  ksys_write+0x63/0xe0
[  390.986438]  do_syscall_64+0xad/0x1b0
[  390.986471]  entry_SYSCALL_64_after_hwframe+0x6d/0x75
[  390.986512] RIP: 0033:0x7f1923605957
[  390.986546] 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
[  390.986672] RSP: 002b:00007ffcdf694758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  390.986732] RAX: ffffffffffffffda RBX: 00005640c7083fb0 RCX: 00007f1923605957
[  390.986786] RDX: 0000000000000001 RSI: 00005640c7083fb0 RDI: 0000000000000001
[  390.986839] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  390.986895] R10: 0000000000000001 R11: 0000000000000246 R12: 00005640c7070530
[  390.986948] R13: 00005640c70512a0 R14: 0000000000000001 R15: 00005640c7070530
[  390.987000]  </TASK>
[  390.987024] handlers:
[  390.987043] [<0000000012e34b26>] serial8250_interrupt
[  390.987092] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr