Il 28/08/2014 20:29, Christian Borntraeger ha scritto: >>> >> block seems to work, with net a simple ping works, iperf causes this: >> > >> > I neither see the bug, nor can I reproduce it on x86_64 on KVM. I >> > doubt that dma vs. non-dma is relevant. I tried -net user a -net tap >> > with iperf running in both directions. I also tried switching >> > virtio_pci into non-DMA-API mode. No errors. >> > >> > Is there any chance that you could instrument that BUG_ON to print n, >> > i, in_sgs, out_sgs, total_sg, total_in, and total_out? I assume this >> > is some oddity with patch 1, but I'm mystified. > Yes, its triggered by patch 1. What version of QEMU? Can you two cat the "features" file in the virtio-net device's sysfs directory? Paolo _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
