[ 1943.367908][ T6463] tc (6463) used greatest stack depth: 23384 bytes left
[ 1957.613074][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1957.613477][ C3] CPU: 3 UID: 0 PID: 6200 Comm: perl Not tainted 6.12.0-rc5-virtme #1
[ 1957.613734][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1957.614099][ C3] Call Trace:
[ 1957.614234][ C3]
[ 1957.614323][ C3] dump_stack_lvl+0x82/0xd0
[ 1957.614508][ C3] __report_bad_irq+0x5f/0x180
[ 1957.614676][ C3] note_interrupt+0x6b3/0x860
[ 1957.614842][ C3] handle_irq_event+0x16d/0x1c0
[ 1957.615009][ C3] handle_edge_irq+0x1fa/0xb60
[ 1957.615185][ C3] __common_interrupt+0x82/0x170
[ 1957.615350][ C3] common_interrupt+0x81/0xa0
[ 1957.615518][ C3]
[ 1957.615602][ C3]
[ 1957.615683][ C3] asm_common_interrupt+0x26/0x40
[ 1957.615844][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 1957.616054][ C3] Code: 10 e8 61 fa 86 fd 48 89 ef e8 79 6b 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 45 62 9a 4c <74> 0e 5b 5d c3 cc cc cc cc e8 7f 3e ac fd eb dc 0f 1f 44 00 00 5b
[ 1957.616619][ C3] RSP: 0018:ffffc9000194faa0 EFLAGS: 00000286
[ 1957.616824][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff6d3f2bf
[ 1957.617067][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb3696691
[ 1957.617310][ C3] RBP: ffffffffb72bd460 R08: 0000000000000001 R09: fffffbfff6d3a3d0
[ 1957.617566][ C3] R10: ffffffffb69d1e87 R11: 0000000000000000 R12: 00000000ffffffff
[ 1957.617802][ C3] R13: 0000000000000001 R14: ffffffffb72bd568 R15: 00000000ffffffff
[ 1957.618062][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 1957.618273][ C3] uart_write+0x220/0x920
[ 1957.618407][ C3] process_output_block+0x13e/0x790
[ 1957.618571][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1957.618780][ C3] n_tty_write+0x40c/0x790
[ 1957.618952][ C3] ? __pfx_n_tty_write+0x10/0x10
[ 1957.619118][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1957.619278][ C3] ? __pfx_woken_wake_function+0x10/0x10
[ 1957.619443][ C3] ? iterate_tty_write+0x8f/0x540
[ 1957.619599][ C3] ? lock_acquire+0x32/0xc0
[ 1957.619761][ C3] ? iterate_tty_write+0x8f/0x540
[ 1957.619930][ C3] iterate_tty_write+0x222/0x540
[ 1957.620093][ C3] ? tty_ldisc_ref_wait+0x28/0x80
[ 1957.620256][ C3] file_tty_write.constprop.0+0x1cf/0x360
[ 1957.620423][ C3] vfs_write+0xa81/0x11e0
[ 1957.620555][ C3] ? __pfx___lock_release+0x10/0x10
[ 1957.620715][ C3] ? trace_lock_acquire+0x14d/0x1f0
[ 1957.620882][ C3] ? __might_fault+0xc3/0x170
[ 1957.621045][ C3] ? lock_acquire+0x32/0xc0
[ 1957.621203][ C3] ? __pfx_vfs_write+0x10/0x10
[ 1957.621373][ C3] ? trace_rseq_update+0xe2/0x140
[ 1957.621544][ C3] ? __rseq_handle_notify_resume+0x288/0x3e0
[ 1957.621759][ C3] ksys_write+0xf8/0x1d0
[ 1957.621882][ C3] ? __pfx_ksys_write+0x10/0x10
[ 1957.622061][ C3] do_syscall_64+0xc1/0x1d0
[ 1957.622226][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1957.622430][ C3] RIP: 0033:0x7fdba8345957
[ 1957.622595][ 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
[ 1957.623157][ C3] RSP: 002b:00007ffdc17fb6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1957.623394][ C3] RAX: ffffffffffffffda RBX: 0000562a84a2f2b0 RCX: 00007fdba8345957
[ 1957.623635][ C3] RDX: 0000000000000001 RSI: 0000562a84a2f2b0 RDI: 0000000000000001
[ 1957.623867][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1957.624108][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562a84a1a5e0
[ 1957.624344][ C3] R13: 0000562a849fb2a0 R14: 0000000000000001 R15: 0000562a84a1a5e0
[ 1957.624598][ C3]
[ 1957.624718][ C3] handlers:
[ 1957.624842][ C3] [] serial8250_interrupt
[ 1957.625234][ C3] Disabling IRQ #4