[ 29.684293][ T253] ip (253) used greatest stack depth: 23264 bytes left [ 45.367950][ T337] GACT probability NOT on [ 50.593060][ T391] Mirror/redirect action on [ 144.979268][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 144.979758][ C3] CPU: 3 PID: 230 Comm: perl Not tainted 6.10.0-rc6-virtme #1 [ 144.980029][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 144.980412][ C3] Call Trace: [ 144.980554][ C3] [ 144.980643][ C3] dump_stack_lvl+0x82/0xd0 [ 144.980831][ C3] __report_bad_irq+0x5f/0x180 [ 144.981022][ C3] note_interrupt+0x6b3/0x860 [ 144.981204][ C3] handle_irq_event+0x16d/0x1c0 [ 144.981381][ C3] handle_edge_irq+0x1fa/0xb60 [ 144.981556][ C3] __common_interrupt+0x82/0x170 [ 144.981729][ C3] common_interrupt+0x7e/0x90 [ 144.981900][ C3] [ 144.982004][ C3] [ 144.982096][ C3] asm_common_interrupt+0x26/0x40 [ 144.982292][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 144.982502][ C3] Code: 10 e8 91 3d 91 fd 48 89 ef e8 09 ae 91 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 95 9d 05 4e <74> 0e 5b 5d c3 cc cc cc cc e8 5f 1d b5 fd eb dc 0f 1f 44 00 00 5b [ 144.983121][ C3] RSP: 0018:ffffc90000b2fab8 EFLAGS: 00000286 [ 144.983333][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff6a30f33 [ 144.983600][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb1fe2ac1 [ 144.983841][ C3] RBP: ffffffffb5a48e60 R08: 0000000000000001 R09: fffffbfff6a2c0a8 [ 144.984112][ C3] R10: ffffffffb5160547 R11: 0000000000000000 R12: ffffffffb5a48f68 [ 144.984344][ C3] R13: ffff888005f5a800 R14: ffffffffb5a48e60 R15: 0000000000000286 [ 144.984627][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 144.984876][ C3] uart_write+0x13e/0x320 [ 144.985030][ C3] process_output_block+0x13e/0x790 [ 144.985209][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 144.985485][ C3] n_tty_write+0x412/0x7a0 [ 144.985668][ C3] ? __pfx_n_tty_write+0x10/0x10 [ 144.985833][ C3] ? trace_lock_acquire+0x14d/0x1f0 [ 144.986051][ C3] ? __pfx_woken_wake_function+0x10/0x10 [ 144.986213][ C3] ? iterate_tty_write+0x95/0x540 [ 144.986393][ C3] ? lock_acquire+0x32/0xc0 [ 144.986563][ C3] ? iterate_tty_write+0x95/0x540 [ 144.986737][ C3] iterate_tty_write+0x228/0x540 [ 144.986910][ C3] ? tty_ldisc_ref_wait+0x28/0x80 [ 144.987117][ C3] file_tty_write.constprop.0+0x1db/0x370 [ 144.987296][ C3] vfs_write+0xa1b/0x10b0 [ 144.987427][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 144.987587][ C3] ? __pfx_vfs_write+0x10/0x10 [ 144.987749][ C3] ? clockevents_program_event+0xf6/0x300 [ 144.987938][ C3] ? __fget_light+0x53/0x1e0 [ 144.988128][ C3] ? clockevents_program_event+0x1ea/0x300 [ 144.988349][ C3] ksys_write+0xf5/0x1e0 [ 144.988472][ C3] ? __pfx_ksys_write+0x10/0x10 [ 144.988646][ C3] do_syscall_64+0xc1/0x1d0 [ 144.988834][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 144.989059][ C3] RIP: 0033:0x7f1194db5957 [ 144.989230][ 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 [ 144.989794][ C3] RSP: 002b:00007ffeb6aadf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 144.990064][ C3] RAX: ffffffffffffffda RBX: 000055b90f05a1d0 RCX: 00007f1194db5957 [ 144.990313][ C3] RDX: 0000000000000001 RSI: 000055b90f05a1d0 RDI: 0000000000000001 [ 144.990557][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 144.990795][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055b90f0465c0 [ 144.991072][ C3] R13: 000055b90f0272a0 R14: 0000000000000001 R15: 000055b90f0465c0 [ 144.991323][ C3] [ 144.991515][ C3] handlers: [ 144.991632][ C3] [] serial8250_interrupt [ 144.991976][ C3] Disabling IRQ #4