[ 940.000649][ T3960] tc (3960) used greatest stack depth: 23184 bytes left
[ 1005.168691][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1005.169151][ C3] CPU: 3 PID: 3738 Comm: perl Not tainted 6.9.0-virtme #1
[ 1005.169385][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1005.169796][ C3] Call Trace:
[ 1005.169937][ C3]
[ 1005.170054][ C3] dump_stack_lvl+0x82/0xd0
[ 1005.170253][ C3] __report_bad_irq+0x5f/0x180
[ 1005.170436][ C3] note_interrupt+0x6b3/0x860
[ 1005.170630][ C3] handle_irq_event+0x16d/0x1c0
[ 1005.170818][ C3] handle_edge_irq+0x1fa/0xb60
[ 1005.171013][ C3] __common_interrupt+0x82/0x170
[ 1005.171204][ C3] common_interrupt+0x7e/0x90
[ 1005.171396][ C3]
[ 1005.171493][ C3]
[ 1005.171590][ C3] asm_common_interrupt+0x26/0x40
[ 1005.171770][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1005.172006][ C3] Code: 10 e8 31 37 98 fd 48 89 ef e8 a9 a7 98 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d c5 3d 0c 6a <74> 0e 5b 5d c3 cc cc cc cc e8 5f c6 bb fd eb dc 0f 1f 44 00 00 5b
[ 1005.172646][ C3] RSP: 0018:ffffc90000f8fa88 EFLAGS: 00000286
[ 1005.172889][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff322c33b
[ 1005.173159][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff95f78a51
[ 1005.173430][ C3] RBP: ffffffff99a42520 R08: 0000000000000001 R09: fffffbfff32274b0
[ 1005.173706][ C3] R10: ffffffff9913a587 R11: 0000000000000000 R12: 0000000000000c14
[ 1005.173972][ C3] R13: ffffffff99a42628 R14: ffffffff99a42520 R15: ffff888002610000
[ 1005.174254][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1005.174499][ C3] uart_write+0x224/0x450
[ 1005.174651][ C3] process_output_block+0x13e/0x790
[ 1005.174837][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1005.175066][ C3] n_tty_write+0x412/0x7a0
[ 1005.175251][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1005.175429][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1005.175617][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1005.175805][ C3] ? iterate_tty_write+0x95/0x540
[ 1005.175991][ C3] ? lock_acquire+0x32/0xc0
[ 1005.176168][ C3] ? iterate_tty_write+0x95/0x540
[ 1005.176362][ C3] iterate_tty_write+0x228/0x540
[ 1005.176554][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1005.176747][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 1005.176933][ C3] vfs_write+0x9dc/0x1070
[ 1005.177074][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1005.177252][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1005.177430][ C3] ? clockevents_program_event+0xf6/0x300
[ 1005.177612][ C3] ? __fget_light+0x53/0x1e0
[ 1005.177791][ C3] ? clockevents_program_event+0x1ea/0x300
[ 1005.178024][ C3] ksys_write+0xf5/0x1e0
[ 1005.178159][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1005.178350][ C3] do_syscall_64+0xc3/0x1d0
[ 1005.178536][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1005.178754][ C3] RIP: 0033:0x7fb567268957
[ 1005.178945][ C3] 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
[ 1005.179583][ C3] RSP: 002b:00007ffd60a58da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1005.179858][ C3] RAX: ffffffffffffffda RBX: 000055c42fb7d320 RCX: 00007fb567268957
[ 1005.180245][ C3] RDX: 0000000000000001 RSI: 000055c42fb7d320 RDI: 0000000000000001
[ 1005.180506][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1005.180766][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c42fb695c0
[ 1005.181027][ C3] R13: 000055c42fb4a2a0 R14: 0000000000000001 R15: 000055c42fb695c0
[ 1005.181300][ C3]
[ 1005.181438][ C3] handlers:
[ 1005.181603][ C3] [] serial8250_interrupt
[ 1005.182342][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr