On Fri, 2021-10-15 at 15:57 +0200, Maxime Coquelin wrote:
>
> On 10/15/21 15:43, Xueming Li wrote:
> > After a vDPA application restart, qemu restores VQ with used and
> > available index, new incoming packet triggers virtio driver to
> > handle buffers. Under heavy traffic, no available buffer fo
After a vDPA application restart, qemu restores VQ with used and
available index, new incoming packet triggers virtio driver to
handle buffers. Under heavy traffic, no available buffer for
firmware to receive new packets, no Rx interrupts generated,
driver is stuck on endless interrupt waiting.
As
On 10/15/21 15:43, Xueming Li wrote:
After a vDPA application restart, qemu restores VQ with used and
available index, new incoming packet triggers virtio driver to
handle buffers. Under heavy traffic, no available buffer for
firmware to receive new packets, no Rx interrupts generated,
driver
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