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Re: Test failure with Smartfusion2 emac block (msf2-emac)

From: Philippe Mathieu-Daudé
Subject: Re: Test failure with Smartfusion2 emac block (msf2-emac)
Date: Tue, 14 Jul 2020 16:42:39 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0


On 7/7/20 7:32 AM, Thomas Huth wrote:
> On 07/07/2020 07.18, Thomas Huth wrote:
>>  Hi Subbaraya,
>> today, I noticed that there is a test failure with msf2-emac when
>> running the device-introspect-test in slow mode. Either run:
>>  make check-qtest-aarch64 SPEED=slow
>> or as a shortcut:
>>  make tests/qtest/device-introspect-test
>>  QTEST_QEMU_BINARY="aarch64-softmmu/qemu-system-aarch64" \
>>   ./tests/qtest/device-introspect-test -m slow
>> Then the test fails with:
>> Unexpected error in error_set_from_qdev_prop_error() at
>> hw/core/qdev-properties.c:1251:
>> Property 'msf2-emac.netdev' can't take value 'hub0port0', it's in use
>> Could you please have a look?
> The problem might be related to m2sxxx_soc_initfn() in msf2-soc.c. Looks
> like you are using nd_table in an instance_init function. This is almost
> always wrong, and should be done by the machine code instead (e.g. in
> msf2-som.c).
>  Thomas
> PS: Maybe also have a look at this article, it might help to understand
> the idea behind instance_init a little bit:
> http://people.redhat.com/~thuth/blog/qemu/2018/09/10/instance-init-realize.html

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