[ 1259.445430][ T6652] Mirror/redirect action on
[ 1259.471789][ T6651] tc (6651) used greatest stack depth: 23400 bytes left
[ 1283.747150][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1283.747614][ C3] CPU: 3 UID: 0 PID: 6501 Comm: perl Not tainted 6.12.0-rc5-virtme #1
[ 1283.747870][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1283.748247][ C3] Call Trace:
[ 1283.748372][ C3]
[ 1283.748461][ C3] dump_stack_lvl+0x82/0xd0
[ 1283.748640][ C3] __report_bad_irq+0x5f/0x180
[ 1283.748806][ C3] note_interrupt+0x6b3/0x860
[ 1283.748975][ C3] handle_irq_event+0x16d/0x1c0
[ 1283.749137][ C3] handle_edge_irq+0x1fa/0xb60
[ 1283.749307][ C3] __common_interrupt+0x82/0x170
[ 1283.749471][ C3] common_interrupt+0x81/0xa0
[ 1283.749636][ C3]
[ 1283.749719][ C3]
[ 1283.749802][ C3] asm_common_interrupt+0x26/0x40
[ 1283.749957][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1283.750164][ C3] Code: 10 e8 01 21 87 fd 48 89 ef e8 19 92 87 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 15 87 1a 4d <74> 0e 5b 5d c3 cc cc cc cc e8 9f 64 ac fd eb dc 0f 1f 44 00 00 5b
[ 1283.750705][ C3] RSP: 0018:ffffc900021cfaa0 EFLAGS: 00000286
[ 1283.750903][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff6c3eb0a
[ 1283.751147][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb2e93fc1
[ 1283.751383][ C3] RBP: ffffffffb6ab9460 R08: 0000000000000001 R09: fffffbfff6c39bd0
[ 1283.751629][ C3] R10: ffffffffb61cde87 R11: 0000000000000000 R12: 00000000ffffffff
[ 1283.751865][ C3] R13: 0000000000000001 R14: ffffffffb6ab9568 R15: 00000000ffffffff
[ 1283.752137][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1283.752339][ C3] uart_write+0x220/0x920
[ 1283.752467][ C3] process_output_block+0x13e/0x790
[ 1283.752628][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1283.752824][ C3] n_tty_write+0x40c/0x790
[ 1283.752987][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1283.753152][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1283.753312][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1283.753472][ C3] ? iterate_tty_write+0x8f/0x540
[ 1283.753632][ C3] ? lock_acquire+0x32/0xc0
[ 1283.753794][ C3] ? iterate_tty_write+0x8f/0x540
[ 1283.753961][ C3] iterate_tty_write+0x222/0x540
[ 1283.754124][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1283.754292][ C3] file_tty_write.constprop.0+0x1cf/0x360
[ 1283.754467][ C3] vfs_write+0xa81/0x11e0
[ 1283.754589][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 1283.754747][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1283.754909][ C3] ? _raw_spin_unlock_irq+0x28/0x50
[ 1283.755068][ C3] ? tmigr_handle_remote+0x301/0x3f0
[ 1283.755234][ C3] ? spin_bug+0x150/0x1d0
[ 1283.755360][ C3] ksys_write+0xf5/0x1e0
[ 1283.755480][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1283.755634][ C3] ? __local_bh_enable+0x80/0x90
[ 1283.755791][ C3] ? handle_softirqs+0x32e/0x5c0
[ 1283.755964][ C3] do_syscall_64+0xc1/0x1d0
[ 1283.756127][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1283.756325][ C3] RIP: 0033:0x7f06d7132957
[ 1283.756489][ 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
[ 1283.757045][ C3] RSP: 002b:00007ffd39babcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1283.757296][ C3] RAX: ffffffffffffffda RBX: 000055cc20a822b0 RCX: 00007f06d7132957
[ 1283.757526][ C3] RDX: 0000000000000001 RSI: 000055cc20a822b0 RDI: 0000000000000001
[ 1283.757755][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1283.758017][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055cc20a6d5e0
[ 1283.758258][ C3] R13: 000055cc20a4e2a0 R14: 0000000000000001 R15: 000055cc20a6d5e0
[ 1283.758501][ C3]
[ 1283.758627][ C3] handlers:
[ 1283.758747][ C3] [] serial8250_interrupt
[ 1283.759088][ C3] Disabling IRQ #4