Messages in this thread | | | Subject | Re: [PATCH RFC v4 00/13] virtio-mem: paravirtualized memory | From | Alex Shi <> | Date | Fri, 5 Jun 2020 18:08:55 +0800 |
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在 2020/6/5 下午5:36, David Hildenbrand 写道: > I guess I know what's happening here. In case we only have DMA memory > when booting, we don't reserve swiotlb buffers. Once we hotplug memory > and online ZONE_NORMAL, we don't have any swiotlb DMA bounce buffers to > map such PFNs (total 0 (slots), used 0 (slots)). > > Can you try with "swiotlb=force" on the kernel cmdline?
Yes, it works fine with this cmdline. problems gone,
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