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Re: aio_poll() assertion fail on Windows


From: Volker Rümelin
Subject: Re: aio_poll() assertion fail on Windows
Date: Sat, 17 Oct 2020 09:01:09 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.3.2

> Whilst testing a Windows build of git master of qemu-system-ppc in 
> MSYS2/MingW64 I noticed the following assertion message in the console after 
> booting into OpenBIOS and then closing the GTK GUI window without booting a 
> client OS:
>
> $ ./qemu-system-ppc
> **
> ERROR:../util/aio-win32.c:337:aio_poll: assertion failed: 
> (in_aio_context_home_thread(ctx))
> Bail out! ERROR:../util/aio-win32.c:337:aio_poll: assertion failed: 
> (in_aio_context_home_thread(ctx))
>
> Has anyone else seen this at all?
>

This error appears since commit 9ce44e2ce2 "qmp: Move dispatcher to a 
coroutine". I think I can see the problem, but I'll have to ask Kevin. I really 
don't know the qmp code.

With best regards,
Volker



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