Re: QEMU v5.2.0: object_new_with_type: assertion failed: (type != NULL)

[Philippe Mathieu-Daudé]

On 2/5/21 12:48 PM, Bharat Bhushan wrote:
> 
> Hi All,
> 
> I am using QEMU version "v5.2.0" and getting below error when running on arm64
> 
> $ qemu-system-aarch64 --version
> 
> ERROR:../qom/object.c:711:object_new_with_type: assertion failed: (type != 
> NULL)
> Bail out! ERROR:../qom/object.c:711:object_new_with_type: assertion failed: 
> (type != NULL)
> 
> Running GDB give below information.
> Is this something known.
> 
> (gdb) run
> Starting program: /root/qemu-system-aarch64 
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib64/libthread_db.so.1".
> [New Thread 0xfffff703ed90 (LWP 5212)]
> **
> ERROR:../qom/object.c:711:object_new_with_type: assertion failed: (type != 
> NULL)
> Bail out! ERROR:../qom/object.c:711:object_new_with_type: assertion failed: 
> (type != NULL)
> 
> Thread 1 "qemu-system-aar" received signal SIGABRT, Aborted.
> 0x0000fffff73e380c in raise () from /lib64/libc.so.6
> (gdb) bt
> #0  0x0000fffff73e380c in raise () from /lib64/libc.so.6
> #1  0x0000fffff73d0bcc in abort () from /lib64/libc.so.6
> #2  0x0000fffff7b7c058 in g_assertion_message () from /lib64/libglib-2.0.so.0
> #3  0x0000fffff7b7c0b8 in g_assertion_message_expr () from 
> /lib64/libglib-2.0.so.0
> #4  0x0000aaaaab2b880c in object_new_with_type (type=<optimized out>) at 
> ../qom/object.c:711
> #5  0x0000aaaaab2b8870 in object_new (typename=typename@entry=0xaaaaab50a668 
> "container") at ../qom/object.c:744

How can you not have "container" registered? libqom is a core part
of QEMU... Cc'ing Gerd for the module initialization.

> #6  0x0000aaaaab2b9ec4 in object_get_root () at ../qom/object.c:1674
> #7  0x0000aaaaab2a4c0c in get_chardevs_root () at ../chardev/char.c:50
> #8  0x0000aaaaaaf9f2b4 in chardev_machine_done_hook (notifier=<optimized 
> out>, unused=<optimized out>)
>     at ../chardev/chardev-sysemu.c:45
> #9  0x0000aaaaab3d4ae8 in module_call_init (type=type@entry=MODULE_INIT_QOM) 
> at ../util/module.c:106
> #10 0x0000aaaaab235000 in qemu_init (argc=1, argv=0xfffffffffcb8, 
> envp=<optimized out>) at ../softmmu/vl.c:2916
> #11 0x0000aaaaaad9e084 in main (argc=<optimized out>, argv=<optimized out>, 
> envp=<optimized out>) at ../softmmu/main.c:49
> (gdb)
> 
> Thanks
> -Bharat
>