[ 439.009695] tc (5524) used greatest stack depth: 12264 bytes left [ 443.515798] irq 4: nobody cared (try booting with the "irqpoll" option) [ 443.515930] CPU: 3 PID: 4179 Comm: perl Not tainted 6.9.0-rc5-virtme #1 [ 443.515983] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 443.516076] Call Trace: [ 443.516108] [ 443.516137] dump_stack_lvl+0x55/0x70 [ 443.516178] __report_bad_irq+0x2b/0xc0 [ 443.516214] note_interrupt+0x2a7/0x2f0 [ 443.516248] handle_irq_event+0x72/0x80 [ 443.516284] handle_edge_irq+0x8b/0x230 [ 443.516320] __common_interrupt+0x3e/0xb0 [ 443.516355] common_interrupt+0x81/0xa0 [ 443.516396] [ 443.516420] [ 443.516437] asm_common_interrupt+0x26/0x40 [ 443.516475] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 443.516522] 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 bc e5 2d 78 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 443.516659] RSP: 0018:ffffac4dc096bd38 EFLAGS: 00000286 [ 443.516705] RAX: 0000000000000000 RBX: ffffffff890ce240 RCX: 0000000000000017 [ 443.516761] RDX: ffffffff8794b66e RSI: 0000000000000282 RDI: ffffffff890ce240 [ 443.516823] RBP: 0000000000000001 R08: 00000067553c045a R09: 0000000000000001 [ 443.516880] R10: ffff9bcf412605f8 R11: 0000000000000000 R12: 0000000000000001 [ 443.516937] R13: 0000000000000000 R14: ffff9bcf41261001 R15: ffff9bcf41e54000 [ 443.516994] ? rpm_suspend+0x1ae/0x5e0 [ 443.517030] uart_write+0x103/0x1d0 [ 443.517065] n_tty_write+0x1a4/0x520 [ 443.517099] ? __pfx_woken_wake_function+0x10/0x10 [ 443.517142] file_tty_write.constprop.0+0x15b/0x340 [ 443.517186] vfs_write+0x336/0x460 [ 443.517222] ksys_write+0x63/0xe0 [ 443.517253] do_syscall_64+0xa8/0x1b0 [ 443.517289] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 443.517331] RIP: 0033:0x7f5d3b184957 [ 443.517363] 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 [ 443.517493] RSP: 002b:00007ffc8d074a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 443.517554] RAX: ffffffffffffffda RBX: 00005564690d1fd0 RCX: 00007f5d3b184957 [ 443.517618] RDX: 0000000000000001 RSI: 00005564690d1fd0 RDI: 0000000000000001 [ 443.517676] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 443.517731] R10: 0000000000000001 R11: 0000000000000246 R12: 00005564690be560 [ 443.517782] R13: 000055646909f2a0 R14: 0000000000000001 R15: 00005564690be560 [ 443.517836] [ 443.517861] handlers: [ 443.517880] [<0000000034ad6ff1>] serial8250_interrupt [ 443.517926] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr