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Date: Wed, 11 Oct 2017 14:07:06 +0200
From: Kevin Wolf <kwolf@redhat.com>
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Subject: Re: [Qemu-devel] Co-routine re-entered recursively
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To: "Gugnani, Shashank" <gugnani.2@buckeyemail.osu.edu>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, qemu-block@nongnu.org

[ Cc: qemu-block ]

Am 09.10.2017 um 21:11 hat Gugnani, Shashank geschrieben:
> Hi,
> 
> I'm trying to modify the NVMe emulator in QEMU to use multiple threads.
> 
> After making necessary changes, I see this error: 'Co-routine re-entered recursively'
> 
> Can anybody tell me the reason for this error? Is there anything I can do to fix this issue?

I suspect that you need to fix your locking. Are you sure you're holding
the AioContext locks while you're making requests to the block layer?

Kevin