[ 1059.219545][ T5922] Mirror/redirect action on [ 1080.152836][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 1080.153218][ C3] CPU: 3 PID: 5775 Comm: perl Not tainted 6.10.0-rc3-virtme #1 [ 1080.153515][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1080.153871][ C3] Call Trace: [ 1080.154000][ C3] [ 1080.154102][ C3] dump_stack_lvl+0x82/0xd0 [ 1080.154292][ C3] __report_bad_irq+0x5f/0x180 [ 1080.154455][ C3] note_interrupt+0x6b3/0x860 [ 1080.154644][ C3] handle_irq_event+0x16d/0x1c0 [ 1080.154806][ C3] handle_edge_irq+0x1fa/0xb60 [ 1080.154982][ C3] __common_interrupt+0x82/0x170 [ 1080.155146][ C3] common_interrupt+0x7e/0x90 [ 1080.155309][ C3] [ 1080.155402][ C3] [ 1080.155483][ C3] asm_common_interrupt+0x26/0x40 [ 1080.155638][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 1080.155849][ C3] Code: 10 e8 d1 1a 92 fd 48 89 ef e8 49 8b 92 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 7a a6 49 <74> 0e 5b 5d c3 cc cc cc cc e8 7f 01 b6 fd eb dc 0f 1f 44 00 00 5b [ 1080.156394][ C3] RSP: 0018:ffffc9000288fac0 EFLAGS: 00000286 [ 1080.156615][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff72eff1a [ 1080.156864][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb65d4d81 [ 1080.157108][ C3] RBP: ffffffffba041060 R08: 0000000000000001 R09: fffffbfff72eb0a8 [ 1080.157349][ C3] R10: ffffffffb9758547 R11: 0000000000000000 R12: 0000000000000001 [ 1080.157593][ C3] R13: 0000000000000286 R14: ffffffffba041060 R15: ffff888005a62000 [ 1080.157861][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 1080.158072][ C3] uart_write+0x13d/0x330 [ 1080.158198][ C3] process_output_block+0x13e/0x790 [ 1080.158360][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1080.158563][ C3] n_tty_write+0x412/0x7a0 [ 1080.158734][ C3] ? __pfx_n_tty_write+0x10/0x10 [ 1080.158891][ C3] ? trace_lock_acquire+0x14d/0x1f0 [ 1080.159048][ C3] ? __pfx_woken_wake_function+0x10/0x10 [ 1080.159204][ C3] ? iterate_tty_write+0x95/0x540 [ 1080.159359][ C3] ? lock_acquire+0x32/0xc0 [ 1080.159521][ C3] ? iterate_tty_write+0x95/0x540 [ 1080.159687][ C3] iterate_tty_write+0x228/0x540 [ 1080.159854][ C3] ? tty_ldisc_ref_wait+0x28/0x80 [ 1080.160028][ C3] file_tty_write.constprop.0+0x1db/0x370 [ 1080.160191][ C3] vfs_write+0xa18/0x10b0 [ 1080.160316][ C3] ? __pfx___lock_release+0x10/0x10 [ 1080.160471][ C3] ? trace_lock_acquire+0x14d/0x1f0 [ 1080.160628][ C3] ? __might_fault+0xc3/0x170 [ 1080.160790][ C3] ? lock_acquire+0x32/0xc0 [ 1080.160965][ C3] ? __pfx_vfs_write+0x10/0x10 [ 1080.161123][ C3] ? __might_fault+0x11b/0x170 [ 1080.161309][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 1080.161522][ C3] ? __fget_light+0x53/0x1e0 [ 1080.161696][ C3] ksys_write+0xf5/0x1e0 [ 1080.161818][ C3] ? __pfx_ksys_write+0x10/0x10 [ 1080.161991][ C3] do_syscall_64+0xc1/0x1d0 [ 1080.162152][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1080.162361][ C3] RIP: 0033:0x7f5263140957 [ 1080.162528][ 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 [ 1080.163070][ C3] RSP: 002b:00007ffd8924ddd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1080.163309][ C3] RAX: ffffffffffffffda RBX: 0000561d01c8c310 RCX: 00007f5263140957 [ 1080.163536][ C3] RDX: 0000000000000001 RSI: 0000561d01c8c310 RDI: 0000000000000001 [ 1080.163774][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1080.164011][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000561d01c785c0 [ 1080.164240][ C3] R13: 0000561d01c592a0 R14: 0000000000000001 R15: 0000561d01c785c0 [ 1080.164499][ C3] [ 1080.164619][ C3] handlers: [ 1080.164739][ C3] [] serial8250_interrupt [ 1080.165139][ C3] Disabling IRQ #4