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Re: Assertion triggers with power8e_v2.1-powernv-cpu-core

From: Cédric Le Goater
Subject: Re: Assertion triggers with power8e_v2.1-powernv-cpu-core
Date: Wed, 29 Jan 2020 11:39:31 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2

On 1/29/20 11:31 AM, Thomas Huth wrote:
> FYI, scripts/device-crash-test reported an assertion, triggerable like this:
> $ qemu-system-ppc64 -machine ppce500 -device power8e_v2.1-powernv-cpu-core
> qemu-system-ppc64: hw/ppc/pnv_core.c:221: pnv_core_realize: Assertion
> `pc->chip' failed.
> Aborted (core dumped)
> Of course using that CPU is not possible on ppce500, but there should be
> a proper error message instead of that assertion.
> Does anybody have an idea what's the best place to fix this issue?

The cores should be instantiated by a PowerNV chip. So may be we
should fix this issue with :

@@ -325,6 +325,7 @@ static void pnv_core_class_init(ObjectCl
     dc->realize = pnv_core_realize;
     dc->unrealize = pnv_core_unrealize;
     device_class_set_props(dc, pnv_core_properties);
+    dc->user_creatable = false;
 #define DEFINE_PNV_CORE_TYPE(family, cpu_model) \

I think that most of the PowerNV devices are not user creatable.


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