Re: [Qemu-devel] [PATCH] ui/cocoa.m: Add Mount image file menu item

[Programmingkid]

On Sep 10, 2015, at 3:21 AM, Markus Armbruster wrote:

> Programmingkid <address@hidden> writes:
> 
>> Does this look about right?
>> 
>>    QDict *qdict;
>>    Error *errp;
>>    QObject **ret_data;
>>    static int counter;
>>    char *idString, *fileName;
>> 
>>      // The file variable is objective-c, left that code out
>> 
>>        fileName = g_strdup_printf("%s",
>>                            [file cStringUsingEncoding: 
>> NSASCIIStringEncoding]);
>> 
>>        /* Create an unique id */
>>        idString = g_strdup_printf("USB%d", counter++);
>> 
>>        /* Create the QDICT object */
>>        qdict = qdict_new();
>>        qdict_put_obj(qdict, "id", qstring_from_str(idString));
>>        qdict_put_obj(qdict, "device", qstring_from_str(idString));
>>        qdict_put_obj(qdict, "if", qstring_from_str("none"));
>>        qdict_put_obj(qdict, "file", qstring_from_str(fileName));
>>        qdict_put_obj(qdict, "driver", qstring_from_str("usb-storage"));
>>        drive_add(IF_DEFAULT, 0, fileName, "none");
>>        qmp_device_add(qdict, ret_data, &errp);
>>        handleAnyDeviceErrors(errp);
>>        g_free(fileName);
>>        g_free(idString);
>> 
>> This is a sample of what I am working on. For some reason, it crashes QEMU. 
>> Any clues why? I think it might be because of qdict_put_obj(). 
> 
> My crystal ball is down for maintenance today, so you'll have to gives
> us the clues yourself: a stack backtrace, for starters :)

Here is the error:

2015-09-10 12:21:12.355 qemu-system-ppc[17603:903] HIToolbox: ignoring 
exception 'Uncaught system exception: signal 11' that raised inside Carbon 
event dispatch
(
        0   CoreFoundation                      0x00007fff83ad37b4 
__exceptionPreprocess + 180
        1   libobjc.A.dylib                     0x00007fff83567f03 
objc_exception_throw + 45
        2   CoreFoundation                      0x00007fff83b2b969 
-[NSException raise] + 9
        3   ExceptionHandling                   0x00007fff845082d3 
NSExceptionHandlerUncaughtSignalHandler + 37
        4   libSystem.B.dylib                   0x00007fff825431ba _sigtramp + 
26
        5   ???                                 0x00007fff5fc12dc0 0x0 + 
140734799883712
        6   qemu-system-ppc                     0x00000001003c4109 
qdict_get_try_str + 58
        7   qemu-system-ppc                     0x00000001003dba04 
qemu_opts_from_qdict + 63
        8   qemu-system-ppc                     0x0000000100169388 
qmp_device_add + 78