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Re: [Qemu-devel] device_del fail

From: Fam Zheng
Subject: Re: [Qemu-devel] device_del fail
Date: Wed, 29 Nov 2017 14:29:17 +0800
User-agent: Mutt/1.9.1 (2017-09-22)

On Wed, 11/29 13:43, Lying wrote:
> Hello everybody, I encounter a error on my vm guest
> I remove my device on my guest is failed, following is detail message.
> I didn't add my audio device before running my guest, So i add audio with 
> "device_add" after running
> Then i can use it, so i remove it with "device_del", but when i do it again, i
> can't use my audio device and cannot remove it.

I haven't tried unplugging an audio device myself but in general PCI hot unplug
needs guest cooperation so some infomation about guest is also helpful.  Which
guest OS is this?

What are the exact commands that you used and what are the messages from
host/guest when you device_del?


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