[ 339.271738] tc (4568) used greatest stack depth: 12536 bytes left [ 342.679161] tc (4977) used greatest stack depth: 12232 bytes left [ 347.411793] irq 4: nobody cared (try booting with the "irqpoll" option) [ 347.411915] CPU: 3 PID: 3678 Comm: perl Not tainted 6.10.0-rc5-virtme #1 [ 347.411964] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 347.412068] Call Trace: [ 347.412096] [ 347.412121] dump_stack_lvl+0x55/0x70 [ 347.412165] __report_bad_irq+0x2b/0xc0 [ 347.412204] note_interrupt+0x2a7/0x2f0 [ 347.412239] handle_irq_event+0x72/0x80 [ 347.412271] handle_edge_irq+0x8b/0x230 [ 347.412306] __common_interrupt+0x3c/0xb0 [ 347.412337] common_interrupt+0x80/0x90 [ 347.412368] [ 347.412389] [ 347.412416] asm_common_interrupt+0x26/0x40 [ 347.412453] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 347.412496] 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 ec 15 eb 7c <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 347.412634] RSP: 0018:ffff995ac0713d60 EFLAGS: 00000286 [ 347.412674] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017 [ 347.412738] RDX: ffffffff82d7085d RSI: 0000000000000286 RDI: ffffffff846e7500 [ 347.412786] RBP: ffff8b1141ec8000 R08: 00000050f72dd7a9 R09: 0000000000000001 [ 347.412836] R10: ffff8b114128cdf8 R11: 0000000000000000 R12: ffffffff846e7500 [ 347.412894] R13: 0000000000000286 R14: ffff8b114128c800 R15: ffff8b114128cc00 [ 347.412947] ? rpm_suspend+0x1ad/0x5e0 [ 347.412992] uart_write+0x89/0x150 [ 347.413025] n_tty_write+0x1a6/0x520 [ 347.413054] ? __pfx_woken_wake_function+0x10/0x10 [ 347.413101] file_tty_write.constprop.0+0x14d/0x330 [ 347.413137] vfs_write+0x32f/0x460 [ 347.413176] ksys_write+0x63/0xe0 [ 347.413207] do_syscall_64+0x9e/0x1a0 [ 347.413242] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 347.413290] RIP: 0033:0x7f93d5690957 [ 347.413321] 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 [ 347.413456] RSP: 002b:00007ffe1e288c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 347.413526] RAX: ffffffffffffffda RBX: 0000562683065fd0 RCX: 00007f93d5690957 [ 347.413582] RDX: 0000000000000001 RSI: 0000562683065fd0 RDI: 0000000000000001 [ 347.413651] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 347.413710] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562683052560 [ 347.413773] R13: 00005626830332a0 R14: 0000000000000001 R15: 0000562683052560 [ 347.413845] [ 347.413872] handlers: [ 347.413894] [<00000000fa9ee479>] serial8250_interrupt [ 347.413943] Disabling IRQ #4