30.03.2017 10:52, Dmitry Melekhov пишет: > Hello! > > We tried to move Windows 2003 VM with e1000 driver from Centos 7 which > runs qemu-kvm-0.12.1.2-2.491.el6_8.7.x86_64 > to Centos 7 with qemu-kvm-ev-2.6.0-28.el7_3.6.1.x86_64 and we got > problems- > tcp sessions, namely smb connections, randomly drops. > > We didn't test previous qemu-rhev with this VM, so we don't know how > it works in them. > > Could you tell me is this known problem? Any workaround except > switching to virtio? > > Thank you! > Sorry, previous host system was Centos 6 with default qemu...