[ 830.262982][ T4464] Mirror/redirect action on
[ 836.510512][ T4553] tc (4553) used greatest stack depth: 22784 bytes left
[ 904.382426][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 904.382847][ C3] CPU: 3 PID: 4312 Comm: perl Not tainted 6.9.0-rc3-virtme #1
[ 904.383114][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 904.383497][ C3] Call Trace:
[ 904.383627][ C3]
[ 904.383723][ C3] dump_stack_lvl+0x82/0xd0
[ 904.383905][ C3] __report_bad_irq+0x5f/0x180
[ 904.384077][ C3] note_interrupt+0x6b3/0x860
[ 904.384254][ C3] handle_irq_event+0x16d/0x1c0
[ 904.384425][ C3] handle_edge_irq+0x1fa/0xb60
[ 904.384600][ C3] __common_interrupt+0x7c/0x180
[ 904.384778][ C3] common_interrupt+0x7e/0x90
[ 904.384950][ C3]
[ 904.385038][ C3]
[ 904.385129][ C3] asm_common_interrupt+0x26/0x40
[ 904.385303][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 904.385531][ C3] Code: 10 e8 91 d8 9a fd 48 89 ef e8 c9 48 9b 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 b5 1d 8f 62 <74> 0e 5b 5d c3 cc cc cc cc e8 8f 45 be fd eb dc 0f 1f 44 00 00 5b
[ 904.386121][ C3] RSP: 0018:ffffc90000e9fa80 EFLAGS: 00000286
[ 904.386338][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff4128d54
[ 904.386588][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9d74aa61
[ 904.386844][ C3] RBP: ffffffffa12271a0 R08: 0000000000000001 R09: fffffbfff4123eb0
[ 904.387097][ C3] R10: ffffffffa091f587 R11: 0000000000000000 R12: 00000000000004c2
[ 904.387347][ C3] R13: ffffffffa12272a8 R14: ffffffffa12271a0 R15: ffff888004660000
[ 904.387614][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 904.387833][ C3] uart_write+0x224/0x450
[ 904.387970][ C3] process_output_block+0x13e/0x790
[ 904.388140][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370
[ 904.388355][ C3] n_tty_write+0x412/0x7a0
[ 904.388530][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 904.388698][ C3] ? trace_lock_acquire+0x135/0x1c0
[ 904.388866][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 904.389039][ C3] ? iterate_tty_write+0x95/0x540
[ 904.389209][ C3] ? lock_acquire+0x32/0xc0
[ 904.389381][ C3] ? iterate_tty_write+0x95/0x540
[ 904.389557][ C3] iterate_tty_write+0x228/0x540
[ 904.389739][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 904.389916][ C3] file_tty_write.constprop.0+0x1db/0x370
[ 904.390089][ C3] vfs_write+0x9e5/0x10a0
[ 904.390222][ C3] ? __pfx___lock_release+0x10/0x10
[ 904.390392][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 904.390564][ C3] ? __pfx_vfs_write+0x10/0x10
[ 904.390734][ C3] ? clockevents_program_event+0xf6/0x300
[ 904.390906][ C3] ? ktime_get+0xb3/0x190
[ 904.391034][ C3] ? __fget_light+0x53/0x1e0
[ 904.391206][ C3] ? clockevents_program_event+0x1ea/0x300
[ 904.391422][ C3] ksys_write+0xf5/0x1e0
[ 904.391551][ C3] ? __pfx_ksys_write+0x10/0x10
[ 904.391725][ C3] do_syscall_64+0xc3/0x1d0
[ 904.391894][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 904.392103][ C3] RIP: 0033:0x7fcbd55b5957
[ 904.392292][ 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
[ 904.392879][ C3] RSP: 002b:00007ffdd160e8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 904.393133][ C3] RAX: ffffffffffffffda RBX: 0000555f752c31b0 RCX: 00007fcbd55b5957
[ 904.393389][ C3] RDX: 0000000000000001 RSI: 0000555f752c31b0 RDI: 0000000000000001
[ 904.393646][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 904.393898][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000555f752af590
[ 904.394156][ C3] R13: 0000555f752902a0 R14: 0000000000000001 R15: 0000555f752af590
[ 904.394426][ C3]
[ 904.394559][ C3] handlers:
[ 904.394694][ C3] [] serial8250_interrupt
[ 904.395079][ C3] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr