Philippe Mathieu-Daudé <f4...@amsat.org> writes: > On 7/21/20 10:15 AM, Markus Armbruster wrote: >> Philippe Mathieu-Daudé <f4...@amsat.org> writes: >> >>> When realizing a Super I/O with IDE controller [*], we get: >>> >>> qom/object.c:1684: object_property_try_add_child: Assertion >>> `!child->parent' failed. >>> Aborted (core dumped) >>> >>> This is because the device is already realized when we try to >>> add the QOM property to the parent. Fix by realizing *after* >>> adding the QOM relationship. >>> >>> [*] Set ISASuperIOClass::ide.count = N with N not zero >> >> Is this a latent bug, or can it bite in master? If the latter, can you >> show how to reproduce? > > Latent bug for master: > > $ git grep ide.count > hw/isa/isa-superio.c:149: if (k->ide.count && (!k->ide.is_enabled || > k->ide.is_enabled(sio, 0))) { > hw/isa/isa-superio.c:197: sc->ide.count = 0; > hw/isa/smc37c669-superio.c:100: sc->ide.count = 0; > hw/isa/vt82c686.c:529: sc->ide.count = 0; > > I hit it rebasing undergoing series for 5.2 and testing them.
Let's tweak the commit message like this [*] Set ISASuperIOClass::ide.count = N with N not zero (no such thing currently exists; the bug is latent) Preferably with that or something like it: Reviewed-by: Markus Armbruster <arm...@redhat.com>