[ 46.431297][ T333] GACT probability NOT on [ 51.605343][ T396] Mirror/redirect action on [ 58.782221][ T470] tc (470) used greatest stack depth: 23200 bytes left [ 123.559639][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 123.560085][ C3] CPU: 3 PID: 224 Comm: perl Not tainted 6.9.0-rc7-virtme #1 [ 123.560367][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 123.560777][ C3] Call Trace: [ 123.560961][ C3] <IRQ> [ 123.561069][ C3] dump_stack_lvl+0x82/0xd0 [ 123.561271][ C3] __report_bad_irq+0x5f/0x180 [ 123.561499][ C3] note_interrupt+0x6b3/0x860 [ 123.561692][ C3] handle_irq_event+0x16d/0x1c0 [ 123.561882][ C3] handle_edge_irq+0x1fa/0xb60 [ 123.562074][ C3] __common_interrupt+0x7c/0x180 [ 123.562278][ C3] common_interrupt+0x7e/0x90 [ 123.562471][ C3] </IRQ> [ 123.562577][ C3] <TASK> [ 123.562685][ C3] asm_common_interrupt+0x26/0x40 [ 123.562871][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 123.563127][ C3] Code: 10 e8 51 53 99 fd 48 89 ef e8 89 c3 99 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 c5 96 4d 7c <74> 0e 5b 5d c3 cc cc cc cc e8 9f bd bc fd eb dc 0f 1f 44 00 00 5b [ 123.563786][ C3] RSP: 0018:ffffc90000a8fa80 EFLAGS: 00000286 [ 123.564022][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff0da9f54 [ 123.564319][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83b63151 [ 123.564610][ C3] RBP: ffffffff87630220 R08: 0000000000000001 R09: fffffbfff0da50b0 [ 123.564897][ C3] R10: ffffffff86d28587 R11: 0000000000000000 R12: 0000000000000bbb [ 123.565197][ C3] R13: ffffffff87630328 R14: ffffffff87630220 R15: ffff888003220000 [ 123.565492][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 123.565728][ C3] uart_write+0x224/0x450 [ 123.565872][ C3] process_output_block+0x13e/0x790 [ 123.566055][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 123.566277][ C3] n_tty_write+0x412/0x7a0 [ 123.566459][ C3] ? __pfx_n_tty_write+0x10/0x10 [ 123.566635][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 123.566817][ C3] ? __pfx_woken_wake_function+0x10/0x10 [ 123.567005][ C3] ? iterate_tty_write+0x95/0x540 [ 123.567185][ C3] ? lock_acquire+0x32/0xc0 [ 123.567358][ C3] ? iterate_tty_write+0x95/0x540 [ 123.567536][ C3] iterate_tty_write+0x228/0x540 [ 123.567719][ C3] ? tty_ldisc_ref_wait+0x28/0x80 [ 123.567917][ C3] file_tty_write.constprop.0+0x1db/0x370 [ 123.568110][ C3] vfs_write+0x9e5/0x10a0 [ 123.568264][ C3] ? __pfx___lock_release+0x10/0x10 [ 123.568440][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 123.568615][ C3] ? __pfx_vfs_write+0x10/0x10 [ 123.568789][ C3] ? clockevents_program_event+0xf6/0x300 [ 123.568984][ C3] ? ktime_get+0xb3/0x190 [ 123.569129][ C3] ? __fget_light+0x53/0x1e0 [ 123.569316][ C3] ksys_write+0xf5/0x1e0 [ 123.569460][ C3] ? __pfx_ksys_write+0x10/0x10 [ 123.569656][ C3] do_syscall_64+0xc3/0x1d0 [ 123.569849][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.570078][ C3] RIP: 0033:0x7fa4ad170957 [ 123.570269][ 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 [ 123.570931][ C3] RSP: 002b:00007ffe7e903b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 123.571214][ C3] RAX: ffffffffffffffda RBX: 000055f7ae1aa1d0 RCX: 00007fa4ad170957 [ 123.571498][ C3] RDX: 0000000000000001 RSI: 000055f7ae1aa1d0 RDI: 0000000000000001 [ 123.571779][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 123.572072][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f7ae1965c0 [ 123.572352][ C3] R13: 000055f7ae1772a0 R14: 0000000000000001 R15: 000055f7ae1965c0 [ 123.572648][ C3] </TASK> [ 123.572789][ C3] handlers: [ 123.572930][ C3] [<ffffffff824e4a00>] serial8250_interrupt [ 123.573642][ C3] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr