[ 313.876915] tc (3828) used greatest stack depth: 11928 bytes left [ 353.253275] irq 4: nobody cared (try booting with the "irqpoll" option) [ 353.253404] CPU: 3 PID: 2088 Comm: perl Not tainted 6.9.0-rc3-virtme #1 [ 353.253456] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 353.253537] Call Trace: [ 353.253559] [ 353.253581] dump_stack_lvl+0x55/0x70 [ 353.253621] __report_bad_irq+0x2b/0xc0 [ 353.253656] note_interrupt+0x2a7/0x2f0 [ 353.253686] handle_irq_event+0x72/0x80 [ 353.253716] handle_edge_irq+0x8b/0x230 [ 353.253747] __common_interrupt+0x3e/0xb0 [ 353.253782] common_interrupt+0x81/0xa0 [ 353.253814] [ 353.253834] [ 353.253857] asm_common_interrupt+0x26/0x40 [ 353.253894] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 353.253939] 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 14 ee 5f <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 353.254054] RSP: 0018:ffffb894402c7d38 EFLAGS: 00000286 [ 353.254098] RAX: 0000000000000000 RBX: ffffffffa14ce240 RCX: 0000000000000017 [ 353.254151] RDX: ffffffff9fd49ece RSI: 0000000000000282 RDI: ffffffffa14ce240 [ 353.254205] RBP: 0000000000000001 R08: 0000005250945981 R09: 0000000000000001 [ 353.254260] R10: ffff8cb34125c9f8 R11: 0000000000000000 R12: 0000000000000001 [ 353.254314] R13: 0000000000000000 R14: ffff8cb34125cc01 R15: ffff8cb341fa4000 [ 353.254368] ? rpm_suspend+0x1ae/0x5e0 [ 353.254408] uart_write+0x103/0x1d0 [ 353.254441] n_tty_write+0x1a4/0x520 [ 353.254475] ? __pfx_woken_wake_function+0x10/0x10 [ 353.254517] file_tty_write.constprop.0+0x15b/0x340 [ 353.254555] vfs_write+0x336/0x460 [ 353.254592] ksys_write+0x63/0xe0 [ 353.254621] do_syscall_64+0xa8/0x1b0 [ 353.254651] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 353.254692] RIP: 0033:0x7fa43202a957 [ 353.254724] 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 [ 353.254839] RSP: 002b:00007ffd6650c268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 353.254893] RAX: ffffffffffffffda RBX: 0000564c02bcbdb0 RCX: 00007fa43202a957 [ 353.254946] RDX: 0000000000000001 RSI: 0000564c02bcbdb0 RDI: 0000000000000001 [ 353.255000] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 353.255053] R10: 0000000000000001 R11: 0000000000000246 R12: 0000564c02bb8530 [ 353.255107] R13: 0000564c02b992a0 R14: 0000000000000001 R15: 0000564c02bb8530 [ 353.255162] [ 353.255183] handlers: [ 353.255205] [<00000000a7e71526>] serial8250_interrupt [ 353.255248] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr