[ 906.031502][ T3789] tc (3789) used greatest stack depth: 23544 bytes left
[ 921.377017][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 921.377410][ C3] CPU: 3 PID: 3567 Comm: perl Not tainted 6.9.0-rc5-virtme #1
[ 921.377676][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 921.378055][ C3] Call Trace:
[ 921.378195][ C3]
[ 921.378296][ C3] dump_stack_lvl+0x82/0xd0
[ 921.378481][ C3] __report_bad_irq+0x5f/0x180
[ 921.378656][ C3] note_interrupt+0x6b3/0x860
[ 921.378863][ C3] handle_irq_event+0x16d/0x1c0
[ 921.379036][ C3] handle_edge_irq+0x1fa/0xb60
[ 921.379215][ C3] __common_interrupt+0x7c/0x180
[ 921.379387][ C3] common_interrupt+0x7e/0x90
[ 921.379561][ C3]
[ 921.379659][ C3]
[ 921.379754][ C3] asm_common_interrupt+0x26/0x40
[ 921.379926][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 921.380151][ C3] Code: 10 e8 71 99 99 fd 48 89 ef e8 a9 09 9a 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 85 e8 ed 6b <74> 0e 5b 5d c3 cc cc cc cc e8 bf 05 bd fd eb dc 0f 1f 44 00 00 5b
[ 921.380759][ C3] RSP: 0018:ffffc900030efa80 EFLAGS: 00000286
[ 921.380981][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff2e69b3b
[ 921.381232][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9415df91
[ 921.381488][ C3] RBP: ffffffff97c2e220 R08: 0000000000000001 R09: fffffbfff2e64cb0
[ 921.381760][ C3] R10: ffffffff97326587 R11: 0000000000000000 R12: 0000000000000fea
[ 921.382020][ C3] R13: ffffffff97c2e328 R14: ffffffff97c2e220 R15: ffff8880033f0000
[ 921.382287][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 921.382518][ C3] uart_write+0x224/0x450
[ 921.382655][ C3] process_output_block+0x13e/0x790
[ 921.382827][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 921.383055][ C3] n_tty_write+0x412/0x7a0
[ 921.383235][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 921.383407][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 921.383621][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 921.383798][ C3] ? iterate_tty_write+0x95/0x540
[ 921.383975][ C3] ? lock_acquire+0x32/0xc0
[ 921.384145][ C3] ? iterate_tty_write+0x95/0x540
[ 921.384343][ C3] iterate_tty_write+0x228/0x540
[ 921.384515][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 921.384710][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 921.384884][ C3] vfs_write+0x9e5/0x10a0
[ 921.385011][ C3] ? __pfx___lock_release+0x10/0x10
[ 921.385176][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 921.385341][ C3] ? __pfx_vfs_write+0x10/0x10
[ 921.385529][ C3] ? clockevents_program_event+0xf6/0x300
[ 921.385704][ C3] ? ktime_get+0xb3/0x190
[ 921.385835][ C3] ? __fget_light+0x53/0x1e0
[ 921.386004][ C3] ? clockevents_program_event+0x1ea/0x300
[ 921.386223][ C3] ksys_write+0xf5/0x1e0
[ 921.386358][ C3] ? __pfx_ksys_write+0x10/0x10
[ 921.386535][ C3] do_syscall_64+0xc3/0x1d0
[ 921.386724][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 921.386927][ C3] RIP: 0033:0x7f8d37a47957
[ 921.387103][ 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
[ 921.387665][ C3] RSP: 002b:00007ffca8583068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 921.387922][ C3] RAX: ffffffffffffffda RBX: 000056204d9c91d0 RCX: 00007f8d37a47957
[ 921.388172][ C3] RDX: 0000000000000001 RSI: 000056204d9c91d0 RDI: 0000000000000001
[ 921.388419][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 921.388659][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000056204d9b55c0
[ 921.388898][ C3] R13: 000056204d9962a0 R14: 0000000000000001 R15: 000056204d9b55c0
[ 921.389162][ C3]
[ 921.389291][ C3] handlers:
[ 921.389421][ C3] [] serial8250_interrupt
[ 921.389780][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr