[ 1093.942743][ T7189] Mirror/redirect action on [ 1137.885695][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 1137.886108][ C3] CPU: 3 UID: 0 PID: 7042 Comm: perl Not tainted 6.11.0-rc5-virtme #1 [ 1137.886373][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1137.886760][ C3] Call Trace: [ 1137.886901][ C3] [ 1137.886997][ C3] dump_stack_lvl+0x82/0xd0 [ 1137.887205][ C3] __report_bad_irq+0x5f/0x180 [ 1137.887377][ C3] note_interrupt+0x6b3/0x860 [ 1137.887549][ C3] handle_irq_event+0x16d/0x1c0 [ 1137.887725][ C3] handle_edge_irq+0x1fa/0xb60 [ 1137.887900][ C3] __common_interrupt+0x82/0x170 [ 1137.888078][ C3] common_interrupt+0x7e/0x90 [ 1137.888254][ C3] [ 1137.888343][ C3] [ 1137.888448][ C3] asm_common_interrupt+0x26/0x40 [ 1137.888620][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 1137.888849][ C3] Code: 10 e8 f1 8b 8d fd 48 89 ef e8 99 fc 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 b5 ca e1 55 <74> 0e 5b 5d c3 cc cc cc cc e8 4f b5 b1 fd eb dc 0f 1f 44 00 00 5b [ 1137.889481][ C3] RSP: 0018:ffffc9000276fab8 EFLAGS: 00000286 [ 1137.889708][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff5ab7e52 [ 1137.889997][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffaa21fde1 [ 1137.890252][ C3] RBP: ffffffffade80260 R08: 0000000000000001 R09: fffffbfff5ab2f18 [ 1137.890510][ C3] R10: ffffffffad5978c7 R11: 0000000000000000 R12: ffffffffade80368 [ 1137.890764][ C3] R13: ffff888007823400 R14: ffffffffade80260 R15: 0000000000000286 [ 1137.891026][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 1137.891243][ C3] uart_write+0x13e/0x320 [ 1137.891378][ C3] process_output_block+0x13e/0x790 [ 1137.891557][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1137.891773][ C3] n_tty_write+0x412/0x7a0 [ 1137.891950][ C3] ? __pfx_n_tty_write+0x10/0x10 [ 1137.892125][ C3] ? trace_lock_acquire+0x14d/0x1f0 [ 1137.892296][ C3] ? __pfx_woken_wake_function+0x10/0x10 [ 1137.892474][ C3] ? iterate_tty_write+0x95/0x540 [ 1137.892645][ C3] ? lock_acquire+0x32/0xc0 [ 1137.892818][ C3] ? iterate_tty_write+0x95/0x540 [ 1137.892994][ C3] iterate_tty_write+0x228/0x540 [ 1137.893168][ C3] ? tty_ldisc_ref_wait+0x28/0x80 [ 1137.893346][ C3] file_tty_write.constprop.0+0x1db/0x370 [ 1137.893520][ C3] vfs_write+0xa1b/0x10b0 [ 1137.893652][ C3] ? __pfx___lock_release+0x10/0x10 [ 1137.893821][ C3] ? trace_lock_acquire+0x14d/0x1f0 [ 1137.893990][ C3] ? __might_fault+0xc3/0x170 [ 1137.894163][ C3] ? lock_acquire+0x32/0xc0 [ 1137.894337][ C3] ? __pfx_vfs_write+0x10/0x10 [ 1137.894512][ C3] ? __might_fault+0x11b/0x170 [ 1137.894689][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 1137.894908][ C3] ? __fget_light+0x53/0x1e0 [ 1137.895089][ C3] ksys_write+0xf5/0x1e0 [ 1137.895221][ C3] ? __pfx_ksys_write+0x10/0x10 [ 1137.895401][ C3] do_syscall_64+0xc1/0x1d0 [ 1137.895574][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1137.895795][ C3] RIP: 0033:0x7f8c0968b957 [ 1137.895971][ 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 [ 1137.896566][ C3] RSP: 002b:00007ffd5c0fee88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1137.896826][ C3] RAX: ffffffffffffffda RBX: 00005608616c73f0 RCX: 00007f8c0968b957 [ 1137.897079][ C3] RDX: 0000000000000001 RSI: 00005608616c73f0 RDI: 0000000000000001 [ 1137.897346][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1137.897613][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 00005608616b25e0 [ 1137.897894][ C3] R13: 00005608616932a0 R14: 0000000000000001 R15: 00005608616b25e0 [ 1137.898195][ C3] [ 1137.898332][ C3] handlers: [ 1137.898463][ C3] [] serial8250_interrupt [ 1137.898784][ C3] Disabling IRQ #4