[ 1124.083687][ T7190] Mirror/redirect action on [ 1234.951858][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 1234.952232][ C3] CPU: 3 UID: 0 PID: 7048 Comm: perl Not tainted 6.11.0-virtme #1 [ 1234.952474][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1234.952817][ C3] Call Trace: [ 1234.952942][ C3] <IRQ> [ 1234.953031][ C3] dump_stack_lvl+0x82/0xd0 [ 1234.953212][ C3] __report_bad_irq+0x5f/0x180 [ 1234.953385][ C3] note_interrupt+0x6b3/0x860 [ 1234.953549][ C3] handle_irq_event+0x16d/0x1c0 [ 1234.953713][ C3] handle_edge_irq+0x1fa/0xb60 [ 1234.953878][ C3] __common_interrupt+0x82/0x170 [ 1234.954040][ C3] common_interrupt+0x7e/0x90 [ 1234.954199][ C3] </IRQ> [ 1234.954281][ C3] <TASK> [ 1234.954363][ C3] asm_common_interrupt+0x26/0x40 [ 1234.954523][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 1234.954734][ C3] Code: 10 e8 e1 d9 8c fd 48 89 ef e8 89 4a 8d 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 06 e1 4f <74> 0e 5b 5d c3 cc cc cc cc e8 5f 03 b1 fd eb dc 0f 1f 44 00 00 5b [ 1234.955282][ C3] RSP: 0018:ffffc900025dfab8 EFLAGS: 00000286 [ 1234.955489][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff66b8207 [ 1234.955737][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb022c081 [ 1234.955977][ C3] RBP: ffffffffb3e822a0 R08: 0000000000000001 R09: fffffbfff66b3318 [ 1234.956221][ C3] R10: ffffffffb35998c7 R11: 0000000000000006 R12: ffffffffb3e823a8 [ 1234.956452][ C3] R13: ffff8880060b8400 R14: ffffffffb3e822a0 R15: 0000000000000286 [ 1234.956694][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 1234.956899][ C3] uart_write+0x13e/0x320 [ 1234.957025][ C3] process_output_block+0x13e/0x790 [ 1234.957186][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1234.957386][ C3] n_tty_write+0x412/0x7a0 [ 1234.957559][ C3] ? __pfx_n_tty_write+0x10/0x10 [ 1234.957718][ C3] ? trace_lock_acquire+0x14d/0x1f0 [ 1234.957875][ C3] ? __pfx_woken_wake_function+0x10/0x10 [ 1234.958033][ C3] ? iterate_tty_write+0x95/0x540 [ 1234.958190][ C3] ? lock_acquire+0x32/0xc0 [ 1234.958348][ C3] ? iterate_tty_write+0x95/0x540 [ 1234.958512][ C3] iterate_tty_write+0x228/0x540 [ 1234.958670][ C3] ? tty_ldisc_ref_wait+0x28/0x80 [ 1234.958836][ C3] file_tty_write.constprop.0+0x1db/0x370 [ 1234.958996][ C3] vfs_write+0xa1b/0x10b0 [ 1234.959120][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 1234.959289][ C3] ? __pfx_vfs_write+0x10/0x10 [ 1234.959453][ C3] ? _raw_spin_unlock_irq+0x28/0x50 [ 1234.959624][ C3] ? tmigr_handle_remote+0x301/0x3f0 [ 1234.959802][ C3] ? __fget_light+0x53/0x1e0 [ 1234.959980][ C3] ? clockevents_program_event+0x1ea/0x300 [ 1234.960194][ C3] ksys_write+0xf5/0x1e0 [ 1234.960337][ C3] ? __pfx_ksys_write+0x10/0x10 [ 1234.960558][ C3] ? __local_bh_enable+0x80/0x90 [ 1234.960733][ C3] ? handle_softirqs+0x331/0x5c0 [ 1234.960904][ C3] do_syscall_64+0xc1/0x1d0 [ 1234.961064][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1234.961259][ C3] RIP: 0033:0x7fd6e73cf957 [ 1234.961425][ 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 [ 1234.961990][ C3] RSP: 002b:00007ffda019e8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1234.962228][ C3] RAX: ffffffffffffffda RBX: 000055d08488e2b0 RCX: 00007fd6e73cf957 [ 1234.962463][ C3] RDX: 0000000000000001 RSI: 000055d08488e2b0 RDI: 0000000000000001 [ 1234.962696][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1234.962942][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055d0848795e0 [ 1234.963183][ C3] R13: 000055d08485a2a0 R14: 0000000000000001 R15: 000055d0848795e0 [ 1234.963433][ C3] </TASK> [ 1234.963550][ C3] handlers: [ 1234.963681][ C3] [<ffffffffaeb236e0>] serial8250_interrupt [ 1234.964428][ C3] Disabling IRQ #4