[ 327.682884] tc (3639) used greatest stack depth: 11992 bytes left [ 336.097817] irq 4: nobody cared (try booting with the "irqpoll" option) [ 336.097921] CPU: 3 UID: 0 PID: 2824 Comm: perl Not tainted 6.11.0-rc3-virtme #1 [ 336.097983] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 336.098049] Call Trace: [ 336.098070] [ 336.098088] dump_stack_lvl+0x55/0x70 [ 336.098121] __report_bad_irq+0x2b/0xc0 [ 336.098154] note_interrupt+0x2a7/0x2f0 [ 336.098185] handle_irq_event+0x72/0x80 [ 336.098215] handle_edge_irq+0x8b/0x230 [ 336.098241] __common_interrupt+0x3c/0xb0 [ 336.098266] common_interrupt+0x80/0x90 [ 336.098294] [ 336.098310] [ 336.098323] asm_common_interrupt+0x26/0x40 [ 336.098356] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 336.098390] 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 d8 a9 5f <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 336.098487] RSP: 0018:ffffb76343cdbd60 EFLAGS: 00000286 [ 336.098530] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017 [ 336.098575] RDX: ffffffffa0186ded RSI: 0000000000000286 RDI: ffffffffa1af6560 [ 336.098620] RBP: ffff9ac981d5c000 R08: 0000004e550facef R09: 0000000000000001 [ 336.098668] R10: ffff9ac981d779f8 R11: 0000000000000000 R12: ffffffffa1af6560 [ 336.098709] R13: 0000000000000286 R14: ffff9ac981d76c00 R15: ffff9ac981d77800 [ 336.098756] ? rpm_suspend+0x1ad/0x5e0 [ 336.098788] uart_write+0x89/0x150 [ 336.098815] n_tty_write+0x1a6/0x520 [ 336.098842] ? __pfx_woken_wake_function+0x10/0x10 [ 336.098880] file_tty_write.constprop.0+0x14d/0x330 [ 336.098912] vfs_write+0x332/0x460 [ 336.098938] ksys_write+0x63/0xe0 [ 336.098971] do_syscall_64+0x9e/0x1a0 [ 336.098997] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 336.099034] RIP: 0033:0x7ff4bbcfc957 [ 336.099058] 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 [ 336.099161] RSP: 002b:00007ffd277d88a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 336.099208] RAX: ffffffffffffffda RBX: 0000557cdfab70b0 RCX: 00007ff4bbcfc957 [ 336.099254] RDX: 0000000000000001 RSI: 0000557cdfab70b0 RDI: 0000000000000001 [ 336.099299] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 336.099345] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557cdfaa3580 [ 336.099393] R13: 0000557cdfa842a0 R14: 0000000000000001 R15: 0000557cdfaa3580 [ 336.099440] [ 336.099458] handlers: [ 336.099477] [<00000000bc9dc44b>] serial8250_interrupt [ 336.099516] Disabling IRQ #4