[ 1118.452358][ T7191] Mirror/redirect action on [ 1141.135724][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 1141.136146][ C3] CPU: 3 UID: 0 PID: 7044 Comm: perl Not tainted 6.11.0-rc5-virtme #1 [ 1141.136395][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1141.136766][ C3] Call Trace: [ 1141.136897][ C3] [ 1141.136994][ C3] dump_stack_lvl+0x82/0xd0 [ 1141.137180][ C3] __report_bad_irq+0x5f/0x180 [ 1141.137352][ C3] note_interrupt+0x6b3/0x860 [ 1141.137528][ C3] handle_irq_event+0x16d/0x1c0 [ 1141.137698][ C3] handle_edge_irq+0x1fa/0xb60 [ 1141.137872][ C3] __common_interrupt+0x82/0x170 [ 1141.138053][ C3] common_interrupt+0x7e/0x90 [ 1141.138224][ C3] [ 1141.138315][ C3] [ 1141.138409][ C3] asm_common_interrupt+0x26/0x40 [ 1141.138580][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 1141.138801][ C3] Code: 10 e8 71 f6 8c fd 48 89 ef e8 19 67 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 37 01 56 <74> 0e 5b 5d c3 cc cc cc cc e8 cf 1f b1 fd eb dc 0f 1f 44 00 00 5b [ 1141.139365][ C3] RSP: 0018:ffffc9000279fab8 EFLAGS: 00000286 [ 1141.139575][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff5a78652 [ 1141.139832][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffaa029181 [ 1141.140079][ C3] RBP: ffffffffadc84260 R08: 0000000000000001 R09: fffffbfff5a73718 [ 1141.140331][ C3] R10: ffffffffad39b8c7 R11: 0000000000000000 R12: ffffffffadc84368 [ 1141.140581][ C3] R13: ffff888006d7f000 R14: ffffffffadc84260 R15: 0000000000000286 [ 1141.140838][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 1141.141048][ C3] uart_write+0x13e/0x320 [ 1141.141176][ C3] process_output_block+0x13e/0x790 [ 1141.141340][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1141.141548][ C3] n_tty_write+0x412/0x7a0 [ 1141.141729][ C3] ? __pfx_n_tty_write+0x10/0x10 [ 1141.141890][ C3] ? trace_lock_acquire+0x14d/0x1f0 [ 1141.142054][ C3] ? __pfx_woken_wake_function+0x10/0x10 [ 1141.142218][ C3] ? iterate_tty_write+0x95/0x540 [ 1141.142385][ C3] ? lock_acquire+0x32/0xc0 [ 1141.142547][ C3] ? iterate_tty_write+0x95/0x540 [ 1141.142717][ C3] iterate_tty_write+0x228/0x540 [ 1141.142885][ C3] ? tty_ldisc_ref_wait+0x28/0x80 [ 1141.143063][ C3] file_tty_write.constprop.0+0x1db/0x370 [ 1141.143232][ C3] vfs_write+0xa1b/0x10b0 [ 1141.143361][ C3] ? __pfx___lock_release+0x10/0x10 [ 1141.143523][ C3] ? trace_lock_acquire+0x14d/0x1f0 [ 1141.143689][ C3] ? __might_fault+0xc3/0x170 [ 1141.143853][ C3] ? lock_acquire+0x32/0xc0 [ 1141.144013][ C3] ? __pfx_vfs_write+0x10/0x10 [ 1141.144180][ C3] ? __might_fault+0x11b/0x170 [ 1141.144345][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 1141.144554][ C3] ? __fget_light+0x53/0x1e0 [ 1141.144724][ C3] ksys_write+0xf5/0x1e0 [ 1141.144864][ C3] ? __pfx_ksys_write+0x10/0x10 [ 1141.145034][ C3] do_syscall_64+0xc1/0x1d0 [ 1141.145200][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1141.145400][ C3] RIP: 0033:0x7fa5c42c1957 [ 1141.145571][ 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 [ 1141.146145][ C3] RSP: 002b:00007fffb7e1b7f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1141.146389][ C3] RAX: ffffffffffffffda RBX: 000055a8d20493f0 RCX: 00007fa5c42c1957 [ 1141.146628][ C3] RDX: 0000000000000001 RSI: 000055a8d20493f0 RDI: 0000000000000001 [ 1141.146877][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1141.147121][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055a8d20345e0 [ 1141.147361][ C3] R13: 000055a8d20152a0 R14: 0000000000000001 R15: 000055a8d20345e0 [ 1141.147621][ C3] [ 1141.147750][ C3] handlers: [ 1141.147874][ C3] [] serial8250_interrupt [ 1141.148647][ C3] Disabling IRQ #4