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Re: [Qemu-stable] [PATCH for 2.3 1/2] virtio-net: validate backend queue

From: Jason Wang
Subject: Re: [Qemu-stable] [PATCH for 2.3 1/2] virtio-net: validate backend queue numbers against bus limitation
Date: Fri, 20 Mar 2015 13:52:08 +0800
On Thu, Mar 19, 2015 at 6:10 PM, Michael S. Tsirkin <address@hidden> wrote: 
On Thu, Mar 19, 2015 at 03:05:51PM +0800, Jason Wang wrote:

 We don't validate the backend queue numbers against bus limitation,
this will easily crash qemu if it exceeds the limitation. Fixing this 
 by doing the validation and fail early.


Can you please include the qemu command line that crashes?


Ok, will include it in v2. cli is something like:
qemu-system-x86_64 -netdev tap,id=hn0,queues=256 -device virtio-net-pci,netdev=hn0 -enable-kvm
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