[ 1.534501] ip (233) used greatest stack depth: 12832 bytes left [ 1.662181] ip (241) used greatest stack depth: 12592 bytes left [ 7.231154] GACT probability NOT on [ 7.232405] tc (319) used greatest stack depth: 12576 bytes left [ 9.468506] Mirror/redirect action on [ 11.913901] tc (1617) used greatest stack depth: 12536 bytes left [ 15.158832] tc (2269) used greatest stack depth: 12456 bytes left [ 17.435608] irq 4: nobody cared (try booting with the "irqpoll" option) [ 17.435765] CPU: 3 PID: 221 Comm: perl Not tainted 6.9.0-rc1-virtme #1 [ 17.435811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 17.435877] Call Trace: [ 17.435898] <IRQ> [ 17.435916] dump_stack_lvl+0x55/0x70 [ 17.435950] __report_bad_irq+0x2b/0xc0 [ 17.435977] note_interrupt+0x2a7/0x2f0 [ 17.436003] handle_irq_event+0x72/0x80 [ 17.436029] handle_edge_irq+0x8b/0x230 [ 17.436055] __common_interrupt+0x3e/0xb0 [ 17.436081] common_interrupt+0x81/0xa0 [ 17.436110] </IRQ> [ 17.436126] <TASK> [ 17.436140] asm_common_interrupt+0x26/0x40 [ 17.436168] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 17.436207] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d cc 74 6e 55 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 17.436307] RSP: 0018:ffff9960805b3d38 EFLAGS: 00000286 [ 17.436339] RAX: 0000000000000000 RBX: ffffffffabccb240 RCX: 0000000000000017 [ 17.436386] RDX: ffffffffaa5467be RSI: 0000000000000282 RDI: ffffffffabccb240 [ 17.436432] RBP: 0000000000000001 R08: 0000000420420c62 R09: 0000000000000001 [ 17.436478] R10: ffff8d8b81d681f8 R11: 0000000000000000 R12: 0000000000000001 [ 17.436524] R13: 0000000000000000 R14: ffff8d8b81d68401 R15: ffff8d8b81fe4000 [ 17.436564] ? rpm_suspend+0x1ae/0x5e0 [ 17.436596] uart_write+0x103/0x1d0 [ 17.436625] n_tty_write+0x1a4/0x520 [ 17.436650] ? __pfx_woken_wake_function+0x10/0x10 [ 17.436683] file_tty_write.constprop.0+0x15b/0x340 [ 17.436716] vfs_write+0x336/0x460 [ 17.436743] ksys_write+0x63/0xe0 [ 17.436769] do_syscall_64+0xad/0x1b0 [ 17.436795] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 17.436828] RIP: 0033:0x7f01d2477957 [ 17.436852] 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 [ 17.436951] RSP: 002b:00007ffd3e96b578 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 17.436997] RAX: ffffffffffffffda RBX: 00005564d1209e70 RCX: 00007f01d2477957 [ 17.437043] RDX: 0000000000000001 RSI: 00005564d1209e70 RDI: 0000000000000001 [ 17.437083] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 17.437124] R10: 0000000000000001 R11: 0000000000000246 R12: 00005564d11f6530 [ 17.437164] R13: 00005564d11d72a0 R14: 0000000000000001 R15: 00005564d11f6530 [ 17.437211] </TASK> [ 17.437229] handlers: [ 17.437243] [<00000000a3c6843d>] serial8250_interrupt [ 17.437276] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr