[ 1861.513771][ T9629] tc (9629) used greatest stack depth: 23208 bytes left
[ 1876.526006][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1876.526447][ C3] CPU: 3 UID: 0 PID: 9361 Comm: perl Not tainted 6.12.0-rc2-virtme #1
[ 1876.526720][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1876.527128][ C3] Call Trace:
[ 1876.527272][ C3]
[ 1876.527370][ C3] dump_stack_lvl+0x82/0xd0
[ 1876.527567][ C3] __report_bad_irq+0x5f/0x180
[ 1876.527751][ C3] note_interrupt+0x6b3/0x860
[ 1876.527939][ C3] handle_irq_event+0x16d/0x1c0
[ 1876.528126][ C3] handle_edge_irq+0x1fa/0xb60
[ 1876.528312][ C3] __common_interrupt+0x82/0x170
[ 1876.528507][ C3] common_interrupt+0x81/0xa0
[ 1876.528704][ C3]
[ 1876.528799][ C3]
[ 1876.528892][ C3] asm_common_interrupt+0x26/0x40
[ 1876.529082][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1876.529329][ C3] Code: 10 e8 61 ab 87 fd 48 89 ef e8 79 1c 88 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 55 17 1b 4a <74> 0e 5b 5d c3 cc cc cc cc e8 4f eb ac fd eb dc 0f 1f 44 00 00 5b
[ 1876.529979][ C3] RSP: 0018:ffffc900016afaa0 EFLAGS: 00000286
[ 1876.530222][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff723ecbf
[ 1876.530499][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb5e8b1c1
[ 1876.530774][ C3] RBP: ffffffffb9aba3e0 R08: 0000000000000001 R09: fffffbfff7239dd0
[ 1876.531044][ C3] R10: ffffffffb91cee87 R11: 0000000000000000 R12: 00000000ffffffff
[ 1876.531315][ C3] R13: 0000000000000001 R14: ffffffffb9aba4e8 R15: 00000000ffffffff
[ 1876.531605][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1876.531841][ C3] uart_write+0x220/0x920
[ 1876.531999][ C3] process_output_block+0x13e/0x790
[ 1876.532187][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1876.532426][ C3] n_tty_write+0x40c/0x790
[ 1876.532618][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1876.532810][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1876.533007][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1876.533238][ C3] ? iterate_tty_write+0x8f/0x540
[ 1876.533425][ C3] ? lock_acquire+0x32/0xc0
[ 1876.533606][ C3] ? iterate_tty_write+0x8f/0x540
[ 1876.533796][ C3] iterate_tty_write+0x222/0x540
[ 1876.533986][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1876.534177][ C3] file_tty_write.constprop.0+0x1cf/0x360
[ 1876.534364][ C3] vfs_write+0xa77/0x11d0
[ 1876.534517][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1876.534698][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1876.534879][ C3] ? clockevents_program_event+0xf6/0x300
[ 1876.535078][ C3] ksys_write+0xf5/0x1e0
[ 1876.535219][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1876.535417][ C3] do_syscall_64+0xc1/0x1d0
[ 1876.535609][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1876.535833][ C3] RIP: 0033:0x7f8988fe2957
[ 1876.536031][ 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
[ 1876.536677][ C3] RSP: 002b:00007ffdf65a1b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1876.536967][ C3] RAX: ffffffffffffffda RBX: 00005627a47093f0 RCX: 00007f8988fe2957
[ 1876.537237][ C3] RDX: 0000000000000001 RSI: 00005627a47093f0 RDI: 0000000000000001
[ 1876.537521][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1876.537785][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 00005627a46f45e0
[ 1876.538050][ C3] R13: 00005627a46d52a0 R14: 0000000000000001 R15: 00005627a46f45e0
[ 1876.538331][ C3]
[ 1876.538467][ C3] handlers:
[ 1876.538610][ C3] [] serial8250_interrupt
[ 1876.539032][ C3] Disabling IRQ #4