[  428.140649] tc (12666) used greatest stack depth: 11928 bytes left
[  433.004580] irq 4: nobody cared (try booting with the "irqpoll" option)
[  433.004704] CPU: 3 PID: 11008 Comm: perl Not tainted 6.9.0-rc4-virtme #1
[  433.004771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  433.004860] Call Trace:
[  433.004892]  <IRQ>
[  433.004918]  dump_stack_lvl+0x55/0x70
[  433.004960]  __report_bad_irq+0x2b/0xc0
[  433.004996]  note_interrupt+0x2a7/0x2f0
[  433.005028]  handle_irq_event+0x72/0x80
[  433.005061]  handle_edge_irq+0x8b/0x230
[  433.005094]  __common_interrupt+0x3e/0xb0
[  433.005133]  common_interrupt+0x81/0xa0
[  433.005177]  </IRQ>
[  433.005206]  <TASK>
[  433.005228]  asm_common_interrupt+0x26/0x40
[  433.005279] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  433.005335] 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 dc 14 ee 45 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  433.005472] RSP: 0018:ffffb120409b3d38 EFLAGS: 00000286
[  433.005528] RAX: 0000000000000000 RBX: ffffffffbb4ce240 RCX: 0000000000000017
[  433.005583] RDX: ffffffffb9d4a05e RSI: 0000000000000282 RDI: ffffffffbb4ce240
[  433.005640] RBP: 0000000000000001 R08: 00000064e3345673 R09: 0000000000000001
[  433.005701] R10: ffff8be141eeedf8 R11: 0000000000000000 R12: 0000000000000001
[  433.005757] R13: 0000000000000000 R14: ffff8be141eef001 R15: ffff8be141ec8000
[  433.005823]  ? rpm_suspend+0x1ae/0x5e0
[  433.005863]  uart_write+0x103/0x1d0
[  433.005900]  n_tty_write+0x1a4/0x520
[  433.005934]  ? __pfx_woken_wake_function+0x10/0x10
[  433.005988]  file_tty_write.constprop.0+0x15b/0x340
[  433.006032]  vfs_write+0x336/0x460
[  433.006076]  ksys_write+0x63/0xe0
[  433.006109]  do_syscall_64+0xa8/0x1b0
[  433.006148]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  433.006205] RIP: 0033:0x7fd99a2e9957
[  433.006243] 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
[  433.006381] RSP: 002b:00007ffd354848b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  433.006437] RAX: ffffffffffffffda RBX: 000055695186f110 RCX: 00007fd99a2e9957
[  433.006520] RDX: 0000000000000001 RSI: 000055695186f110 RDI: 0000000000000001
[  433.006570] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  433.006622] R10: 0000000000000001 R11: 0000000000000246 R12: 000055695185b560
[  433.006688] R13: 000055695183c2a0 R14: 0000000000000001 R15: 000055695185b560
[  433.006747]  </TASK>
[  433.006772] handlers:
[  433.006794] [<00000000b96df487>] serial8250_interrupt
[  433.006840] Disabling IRQ #4

WAIT TIMEOUT stderr

Ctrl-C stderr

Ctrl-C stderr

WAIT TIMEOUT stderr