[ 1482.489621][ T3654] GACT probability NOT on [ 1487.343757][ T3711] Mirror/redirect action on [ 1527.446073][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 1527.446558][ C3] CPU: 3 PID: 3567 Comm: perl Not tainted 6.8.0-rc5-virtme #1 [ 1527.446823][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1527.447199][ C3] Call Trace: [ 1527.447334][ C3] [ 1527.447427][ C3] dump_stack_lvl+0x64/0xb0 [ 1527.447613][ C3] __report_bad_irq+0x5f/0x180 [ 1527.447784][ C3] note_interrupt+0x6b3/0x860 [ 1527.447968][ C3] handle_irq_event+0x16d/0x1c0 [ 1527.448141][ C3] handle_edge_irq+0x1fa/0xb60 [ 1527.448314][ C3] __common_interrupt+0x7c/0x180 [ 1527.448482][ C3] common_interrupt+0x7e/0x90 [ 1527.448648][ C3] [ 1527.448745][ C3] [ 1527.448842][ C3] asm_common_interrupt+0x26/0x40 [ 1527.449006][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 1527.449223][ C3] Code: 10 e8 c1 e7 a3 fd 48 89 ef e8 d9 6f a4 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 65 49 95 5c <74> 0e 5b 5d c3 cc cc cc cc e8 df 2e c6 fd eb dc 0f 1f 44 00 00 5b [ 1527.449804][ C3] RSP: 0018:ffffc9000478fa88 EFLAGS: 00000286 [ 1527.450041][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff4d93da4 [ 1527.450295][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa38a6d71 [ 1527.450547][ C3] RBP: ffffffffa7638820 R08: 0000000000000001 R09: fffffbfff4d8d684 [ 1527.450802][ C3] R10: ffffffffa6c6b427 R11: 0000000000000000 R12: 00000000000008a6 [ 1527.451061][ C3] R13: ffffffffa7638930 R14: ffffffffa7638820 R15: ffff888003a90000 [ 1527.451322][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 1527.451551][ C3] uart_write+0x220/0x440 [ 1527.451687][ C3] process_output_block+0x13e/0x790 [ 1527.451860][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370 [ 1527.452067][ C3] n_tty_write+0x414/0x7a0 [ 1527.452245][ C3] ? __pfx_n_tty_write+0x10/0x10 [ 1527.452416][ C3] ? __pfx_woken_wake_function+0x10/0x10 [ 1527.452588][ C3] ? lock_acquire+0x1c1/0x220 [ 1527.452751][ C3] ? iterate_tty_write+0x95/0x540 [ 1527.452924][ C3] iterate_tty_write+0x229/0x540 [ 1527.453100][ C3] file_tty_write.constprop.0+0x1db/0x370 [ 1527.453275][ C3] vfs_write+0x9e9/0x10a0 [ 1527.453413][ C3] ? lock_acquire+0x1c1/0x220 [ 1527.453585][ C3] ? __pfx_vfs_write+0x10/0x10 [ 1527.453751][ C3] ? __might_fault+0xc6/0x180 [ 1527.453941][ C3] ? __fget_light+0x54/0x1e0 [ 1527.454120][ C3] ksys_write+0xf5/0x1e0 [ 1527.454252][ C3] ? __pfx_ksys_write+0x10/0x10 [ 1527.454443][ C3] do_syscall_64+0xc9/0x1e0 [ 1527.454615][ C3] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 1527.454825][ C3] RIP: 0033:0x7f736a789957 [ 1527.455002][ 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 [ 1527.455580][ C3] RSP: 002b:00007ffc3be95e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1527.455837][ C3] RAX: ffffffffffffffda RBX: 000055f1dc47a1b0 RCX: 00007f736a789957 [ 1527.456104][ C3] RDX: 0000000000000001 RSI: 000055f1dc47a1b0 RDI: 0000000000000001 [ 1527.456400][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1527.456643][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f1dc466590 [ 1527.456906][ C3] R13: 000055f1dc4472a0 R14: 0000000000000001 R15: 000055f1dc466590 [ 1527.457166][ C3] [ 1527.457290][ C3] handlers: [ 1527.457421][ C3] [] serial8250_interrupt [ 1527.457760][ C3] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr