[ 1050.807119][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1050.807529][ C3] CPU: 3 UID: 0 PID: 5366 Comm: perl Not tainted 6.11.0-rc1-virtme #1
[ 1050.808057][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1050.808420][ C3] Call Trace:
[ 1050.808549][ C3]
[ 1050.808633][ C3] dump_stack_lvl+0x82/0xd0
[ 1050.808813][ C3] __report_bad_irq+0x5f/0x180
[ 1050.808982][ C3] note_interrupt+0x6b3/0x860
[ 1050.809144][ C3] handle_irq_event+0x16d/0x1c0
[ 1050.809301][ C3] handle_edge_irq+0x1fa/0xb60
[ 1050.809472][ C3] __common_interrupt+0x82/0x170
[ 1050.809631][ C3] common_interrupt+0x7e/0x90
[ 1050.809806][ C3]
[ 1050.809891][ C3]
[ 1050.809973][ C3] asm_common_interrupt+0x26/0x40
[ 1050.810130][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1050.810335][ C3] Code: 10 e8 c1 1a 8e fd 48 89 ef e8 69 8b 8e 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 65 59 a2 73 <74> 0e 5b 5d c3 cc cc cc cc e8 df 42 b2 fd eb dc 0f 1f 44 00 00 5b
[ 1050.810890][ C3] RSP: 0018:ffffc900027afab8 EFLAGS: 00000286
[ 1050.811101][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1f37229
[ 1050.811332][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c616f31
[ 1050.811575][ C3] RBP: ffffffff9027a320 R08: 0000000000000001 R09: fffffbfff1f32308
[ 1050.811811][ C3] R10: ffffffff8f991847 R11: 0000000000000000 R12: ffffffff9027a428
[ 1050.812041][ C3] R13: ffff888005dfb400 R14: ffffffff9027a320 R15: 0000000000000282
[ 1050.812299][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1050.812512][ C3] uart_write+0x13e/0x320
[ 1050.812638][ C3] process_output_block+0x13e/0x790
[ 1050.812796][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1050.812992][ C3] n_tty_write+0x412/0x7a0
[ 1050.813159][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1050.813317][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1050.813482][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1050.813642][ C3] ? iterate_tty_write+0x95/0x540
[ 1050.813797][ C3] ? lock_acquire+0x32/0xc0
[ 1050.813954][ C3] ? iterate_tty_write+0x95/0x540
[ 1050.814117][ C3] iterate_tty_write+0x228/0x540
[ 1050.814294][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1050.814459][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 1050.814623][ C3] vfs_write+0xa1b/0x10b0
[ 1050.814749][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1050.814907][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1050.815078][ C3] ? _raw_spin_unlock_irq+0x28/0x50
[ 1050.815240][ C3] ? tmigr_handle_remote+0x301/0x3f0
[ 1050.815422][ C3] ? __fget_light+0x53/0x1e0
[ 1050.815601][ C3] ksys_write+0xf5/0x1e0
[ 1050.815731][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1050.815900][ C3] ? __local_bh_enable+0x80/0x90
[ 1050.816082][ C3] ? handle_softirqs+0x331/0x5c0
[ 1050.816257][ C3] do_syscall_64+0xc1/0x1d0
[ 1050.816426][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1050.816635][ C3] RIP: 0033:0x7f6a1a087957
[ 1050.816815][ 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
[ 1050.817392][ C3] RSP: 002b:00007fff0ac2f7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1050.817654][ C3] RAX: ffffffffffffffda RBX: 00005556c67f0310 RCX: 00007f6a1a087957
[ 1050.817916][ C3] RDX: 0000000000000001 RSI: 00005556c67f0310 RDI: 0000000000000001
[ 1050.818171][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1050.818422][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 00005556c67dc5c0
[ 1050.818667][ C3] R13: 00005556c67bd2a0 R14: 0000000000000001 R15: 00005556c67dc5c0
[ 1050.818927][ C3]
[ 1050.819052][ C3] handlers:
[ 1050.819179][ C3] [] serial8250_interrupt
[ 1050.819553][ C3] Disabling IRQ #4