On 25/04/2017 14:02, Jason Wang wrote:
>
> Thanks a lot for the fix.
>
> Two questions:
>
> - If virtio_net_set_status() is the only function that may access tx_bh,
> it looks like setting tx_waiting to zero is sufficient?
I think clearing tx_bh is better anyway, as leaving a dangling
net.
Thanks,
-Gonglei
> - Can you post a formal patch for this?
>
> Thanks
>
> > From: wangyunjian
> > Sent: Monday, April 24, 2017 6:10 PM
> > To: qemu-devel@nongnu.org; Michael S. Tsirkin <m...@redhat.com>; 'Jason
> Wang' <jasow...@redhat.com>
>
wangyunjian <wangyunj...@huawei.com>; caihe <ca...@huawei.com>
Subject: [Qemu-devel][BUG] QEMU crashes with dpdk virtio pmd
Qemu crashes, with pre-condition:
vm xml config with multiqueue, and the vm's driver virtio-net support
multi-queue
reproduce steps:
i. start dpdk testpmd in VM
ow...@redhat.com>
Cc: wangyunjian <wangyunj...@huawei.com>; caihe <ca...@huawei.com>
Subject: [Qemu-devel][BUG] QEMU crashes with dpdk virtio pmd
Qemu crashes, with pre-condition:
vm xml config with multiqueue, and the vm's driver virtio-net support
multi-queue
reproduce steps:
i.
Qemu crashes, with pre-condition:
vm xml config with multiqueue, and the vm's driver virtio-net support
multi-queue
reproduce steps:
i. start dpdk testpmd in VM with the virtio nic
ii. stop testpmd
iii. reboot the VM
This commit "f9d6dbf0 remove virtio queues if the guest doesn't support
