[ 46.948755][ T334] GACT probability NOT on [ 52.158366][ T392] Mirror/redirect action on [ 52.175524][ T391] tc (391) used greatest stack depth: 23232 bytes left [ 76.042890][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 76.043355][ C3] CPU: 3 PID: 226 Comm: perl Not tainted 6.9.0-virtme #1 [ 76.043598][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 76.043995][ C3] Call Trace: [ 76.044137][ C3] <IRQ> [ 76.044230][ C3] dump_stack_lvl+0x82/0xd0 [ 76.044447][ C3] __report_bad_irq+0x5f/0x180 [ 76.044638][ C3] note_interrupt+0x6b3/0x860 [ 76.044841][ C3] handle_irq_event+0x16d/0x1c0 [ 76.045015][ C3] handle_edge_irq+0x1fa/0xb60 [ 76.045189][ C3] __common_interrupt+0x82/0x170 [ 76.045380][ C3] common_interrupt+0x7e/0x90 [ 76.045573][ C3] </IRQ> [ 76.045674][ C3] <TASK> [ 76.045770][ C3] asm_common_interrupt+0x26/0x40 [ 76.045945][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 76.046183][ C3] Code: 10 e8 e1 d5 93 fd 48 89 ef e8 59 46 94 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 f5 2c a8 5c <74> 0e 5b 5d c3 cc cc cc cc e8 cf b9 b7 fd eb dc 0f 1f 44 00 00 5b [ 76.046794][ C3] RSP: 0018:ffffc90000abfa88 EFLAGS: 00000286 [ 76.047021][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff4cee74c [ 76.047295][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa35b9b21 [ 76.047563][ C3] RBP: ffffffffa7054580 R08: 0000000000000001 R09: fffffbfff4ce98a8 [ 76.047836][ C3] R10: ffffffffa674c547 R11: 0000000000000000 R12: 0000000000000b52 [ 76.048122][ C3] R13: ffffffffa7054688 R14: ffffffffa7054580 R15: ffff8880043c0000 [ 76.048438][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 76.048676][ C3] uart_write+0x224/0x450 [ 76.048833][ C3] process_output_block+0x13e/0x790 [ 76.049004][ C3] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 76.049251][ C3] n_tty_write+0x412/0x7a0 [ 76.049438][ C3] ? __pfx_n_tty_write+0x10/0x10 [ 76.049607][ C3] ? trace_lock_acquire+0x14d/0x1f0 [ 76.049790][ C3] ? __pfx_woken_wake_function+0x10/0x10 [ 76.049979][ C3] ? iterate_tty_write+0x95/0x540 [ 76.050156][ C3] ? lock_acquire+0x32/0xc0 [ 76.050323][ C3] ? iterate_tty_write+0x95/0x540 [ 76.050521][ C3] iterate_tty_write+0x228/0x540 [ 76.050701][ C3] ? tty_ldisc_ref_wait+0x28/0x80 [ 76.050890][ C3] file_tty_write.constprop.0+0x1db/0x370 [ 76.051071][ C3] vfs_write+0x9dc/0x1070 [ 76.051208][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 76.051394][ C3] ? __pfx_vfs_write+0x10/0x10 [ 76.051579][ C3] ? clockevents_program_event+0xf6/0x300 [ 76.051786][ C3] ? __fget_light+0x53/0x1e0 [ 76.051960][ C3] ? clockevents_program_event+0x1ea/0x300 [ 76.052196][ C3] ksys_write+0xf5/0x1e0 [ 76.052328][ C3] ? __pfx_ksys_write+0x10/0x10 [ 76.052535][ C3] do_syscall_64+0xc3/0x1d0 [ 76.052712][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.052945][ C3] RIP: 0033:0x7f1f80ae7957 [ 76.053129][ 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 [ 76.053803][ C3] RSP: 002b:00007ffce19b0568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.054058][ C3] RAX: ffffffffffffffda RBX: 000055929fec5320 RCX: 00007f1f80ae7957 [ 76.054330][ C3] RDX: 0000000000000001 RSI: 000055929fec5320 RDI: 0000000000000001 [ 76.054616][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 76.054868][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055929feb15c0 [ 76.055140][ C3] R13: 000055929fe922a0 R14: 0000000000000001 R15: 000055929feb15c0 [ 76.055411][ C3] </TASK> [ 76.055574][ C3] handlers: [ 76.055704][ C3] [<ffffffffa1ef9c40>] serial8250_interrupt [ 76.056090][ C3] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr