[ 312.899421] tc (4321) used greatest stack depth: 11856 bytes left [ 320.652311] irq 4: nobody cared (try booting with the "irqpoll" option) [ 320.652453] CPU: 3 PID: 3206 Comm: perl Not tainted 6.9.0-rc4-virtme #1 [ 320.652507] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 320.652605] Call Trace: [ 320.652631] [ 320.652659] dump_stack_lvl+0x55/0x70 [ 320.652707] __report_bad_irq+0x2b/0xc0 [ 320.652747] note_interrupt+0x2a7/0x2f0 [ 320.652783] handle_irq_event+0x72/0x80 [ 320.652820] handle_edge_irq+0x8b/0x230 [ 320.652854] __common_interrupt+0x3e/0xb0 [ 320.652891] common_interrupt+0x81/0xa0 [ 320.652931] [ 320.652953] [ 320.652972] asm_common_interrupt+0x26/0x40 [ 320.653009] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 320.653059] 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 dc e4 6d 5a <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 320.653200] RSP: 0018:ffffa5bac068bd38 EFLAGS: 00000286 [ 320.653244] RAX: 0000000000000000 RBX: ffffffffa6cce240 RCX: 0000000000000017 [ 320.653298] RDX: ffffffffa554a04e RSI: 0000000000000282 RDI: ffffffffa6cce240 [ 320.653350] RBP: 0000000000000001 R08: 0000004ab8fa10db R09: 0000000000000001 [ 320.653409] R10: ffff93114282c1f8 R11: 0000000000000000 R12: 0000000000000001 [ 320.653462] R13: 0000000000000000 R14: ffff93114282c401 R15: ffff931141fa4000 [ 320.653518] ? rpm_suspend+0x1ae/0x5e0 [ 320.653561] uart_write+0x103/0x1d0 [ 320.653596] n_tty_write+0x1a4/0x520 [ 320.653633] ? __pfx_woken_wake_function+0x10/0x10 [ 320.653676] file_tty_write.constprop.0+0x15b/0x340 [ 320.653719] vfs_write+0x336/0x460 [ 320.653754] ksys_write+0x63/0xe0 [ 320.653788] do_syscall_64+0xa8/0x1b0 [ 320.653823] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 320.653866] RIP: 0033:0x7efe01cab957 [ 320.653900] 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 [ 320.654035] RSP: 002b:00007ffd41eb8a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 320.654099] RAX: ffffffffffffffda RBX: 00005642eeedbfd0 RCX: 00007efe01cab957 [ 320.654155] RDX: 0000000000000001 RSI: 00005642eeedbfd0 RDI: 0000000000000001 [ 320.654209] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 320.654263] R10: 0000000000000001 R11: 0000000000000246 R12: 00005642eeec8560 [ 320.654317] R13: 00005642eeea92a0 R14: 0000000000000001 R15: 00005642eeec8560 [ 320.654372] [ 320.654390] handlers: [ 320.654407] [<00000000f879ee8d>] serial8250_interrupt [ 320.654451] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr