[ 273.251820] tc (4704) used greatest stack depth: 11872 bytes left [ 282.487815] irq 4: nobody cared (try booting with the "irqpoll" option) [ 282.487961] CPU: 3 PID: 3753 Comm: perl Not tainted 6.9.0-rc1-virtme #1 [ 282.488017] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 282.488104] Call Trace: [ 282.488128] [ 282.488152] dump_stack_lvl+0x55/0x70 [ 282.488190] __report_bad_irq+0x2b/0xc0 [ 282.488225] note_interrupt+0x2a7/0x2f0 [ 282.488259] handle_irq_event+0x72/0x80 [ 282.488292] handle_edge_irq+0x8b/0x230 [ 282.488328] __common_interrupt+0x3e/0xb0 [ 282.488362] common_interrupt+0x81/0xa0 [ 282.488397] [ 282.488419] [ 282.488436] asm_common_interrupt+0x26/0x40 [ 282.488472] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 282.488520] 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 64 0e 52 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 282.488649] RSP: 0018:ffffb014005c3d38 EFLAGS: 00000286 [ 282.488689] RAX: 0000000000000000 RBX: ffffffffaf2cb240 RCX: 0000000000000017 [ 282.488747] RDX: ffffffffadb467ce RSI: 0000000000000282 RDI: ffffffffaf2cb240 [ 282.488797] RBP: 0000000000000001 R08: 00000041d78fefed R09: 0000000000000001 [ 282.488855] R10: ffff9d4541fb35f8 R11: 0000000000000000 R12: 0000000000000001 [ 282.488914] R13: 0000000000000000 R14: ffff9d4541fb3001 R15: ffff9d4541e90000 [ 282.488967] ? rpm_suspend+0x1ae/0x5e0 [ 282.489000] uart_write+0x103/0x1d0 [ 282.489032] n_tty_write+0x1a4/0x520 [ 282.489064] ? __pfx_woken_wake_function+0x10/0x10 [ 282.489105] file_tty_write.constprop.0+0x15b/0x340 [ 282.489148] vfs_write+0x336/0x460 [ 282.489182] ksys_write+0x63/0xe0 [ 282.489213] do_syscall_64+0xad/0x1b0 [ 282.489245] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 282.489289] RIP: 0033:0x7f3a000ee957 [ 282.489319] 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 [ 282.489446] RSP: 002b:00007ffe228bc918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 282.489505] RAX: ffffffffffffffda RBX: 000056308e5cafb0 RCX: 00007f3a000ee957 [ 282.489558] RDX: 0000000000000001 RSI: 000056308e5cafb0 RDI: 0000000000000001 [ 282.489610] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 282.489661] R10: 0000000000000001 R11: 0000000000000246 R12: 000056308e5b7530 [ 282.489716] R13: 000056308e5982a0 R14: 0000000000000001 R15: 000056308e5b7530 [ 282.489771] [ 282.489789] handlers: [ 282.489813] [<00000000ede5789d>] serial8250_interrupt [ 282.489854] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr