On Sat, 27 Apr 2019 15:56:42 +0200 Philippe Mathieu-Daudé <phi...@redhat.com> wrote:
> When writing a new board, adding device which uses other devices > (container) or simply refactoring, one can discover the hard way > his machine misses some devices. In the case of containers, the > error is not obvious: > > $ qemu-system-microblaze -M xlnx-zynqmp-pmu > ** > ERROR:/source/qemu/qom/object.c:454:object_initialize_with_type: assertion > failed: (type != NULL) > Aborted (core dumped) > > And we have to look at the coredump to figure the error: > > (gdb) bt > #1 0x00007f84773cf895 in abort () at /lib64/libc.so.6 > #2 0x00007f847961fb53 in () at /lib64/libglib-2.0.so.0 > #3 0x00007f847967a4de in g_assertion_message_expr () at > /lib64/libglib-2.0.so.0 > #4 0x000055c4bcac6c11 in object_initialize_with_type > (data=data@entry=0x55c4bdf239e0, size=size@entry=2464, type=<optimized out>) > at /source/qemu/qom/object.c:454 > #5 0x000055c4bcac6e6d in object_initialize > (data=data@entry=0x55c4bdf239e0, size=size@entry=2464, > typename=typename@entry=0x55c4bcc7c643 "xlnx.zynqmp_ipi") at > /source/qemu/qom/object.c:474 > #6 0x000055c4bc9ea474 in xlnx_zynqmp_pmu_init (machine=0x55c4bdd46000) at > /source/qemu/hw/microblaze/xlnx-zynqmp-pmu.c:176 > #7 0x000055c4bca3b6cb in machine_run_board_init (machine=0x55c4bdd46000) > at /source/qemu/hw/core/machine.c:1030 > #8 0x000055c4bc95f6d2 in main (argc=<optimized out>, argv=<optimized out>, > envp=<optimized out>) at /source/qemu/vl.c:4479 > > Since the caller knows the type name requested, we can simply display it > to ease development. > > With this patch applied we get: > > $ qemu-system-microblaze -M xlnx-zynqmp-pmu > qemu-system-microblaze: missing object type 'xlnx.zynqmp_ipi' > Aborted (core dumped) > > Since the assert(type) check in object_initialize_with_type() is > now impossible, remove it. > > Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com> > --- > qom/object.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) Way more helpful error message :) Reviewed-by: Cornelia Huck <coh...@redhat.com>
