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From: "Michael S. Tsirkin" <mst@redhat.com>
To: xuyandong <xuyandong2@huawei.com>
Cc: "marcel@redhat.com" <marcel@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	Zhanghailiang <zhang.zhanghailiang@huawei.com>,
	"wangxin (U)" <wangxinxin.wang@huawei.com>,
	"Huangweidong (C)" <weidong.huang@huawei.com>
Subject: Re: [Qemu-devel] [BUG]Unassigned mem write during pci device hot-plug
Date: Sun, 9 Dec 2018 09:26:24 -0500	[thread overview]
Message-ID: <20181209092558-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <7CECC2DFC21538489F72729DF5EFB4D908ABD3A4@dggemm521-mbs.china.huawei.com>

On Sat, Dec 08, 2018 at 11:58:59AM +0000, xuyandong wrote:
> Hi all,
> 
>  
> 
> In our test, we configured VM with several pci-bridges and a virtio-net nic
> been attached with bus 4,
> 
> After VM is startup, We ping this nic from host to judge if it is working
> normally. Then, we hot add pci devices to this VM with bus 0.
> 
> We  found the virtio-net NIC in bus 4 is not working (can not connect)
> occasionally, as it kick virtio backend failure with error below:
> 
>     Unassigned mem write 00000000fc803004 = 0x1

Thanks for the report. Which guest was used to produce this problem?

-- 
MST

  reply	other threads:[~2018-12-09 14:26 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-08 11:58 [Qemu-devel] [BUG]Unassigned mem write during pci device hot-plug xuyandong
2018-12-09 14:26 ` Michael S. Tsirkin [this message]
2018-12-10  1:59   ` xuyandong
2018-12-10  2:22 ` Michael S. Tsirkin
2018-12-10  3:12   ` xuyandong
2018-12-10 18:14     ` Michael S. Tsirkin
2018-12-11  1:47       ` xuyandong
2018-12-11  2:17         ` Michael S. Tsirkin
2018-12-11  2:55           ` xuyandong
2018-12-11  3:38             ` Michael S. Tsirkin
2018-12-11  3:51               ` xuyandong
2018-12-11  4:04                 ` Michael S. Tsirkin
2018-12-11  4:25                 ` Michael S. Tsirkin
2019-01-07 14:37                   ` xuyandong
2019-01-07 15:06                     ` Michael S. Tsirkin
2019-01-07 15:28                       ` xuyandong
2019-01-07 16:24                         ` Michael S. Tsirkin
2019-01-07 14:51                   ` xuyandong

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