So 50MB/s does not sound too bad to me, given that a emulated ide controller is used. For the network there seem to be two drivers potentially usable (8139too and 8139cp) where at least it the dmesg posted, the second one wins and is used. But that just as a note.
>From the high number of interrupts and also the SYN flood messages in dmesg, something seems odd here. Just to rule out this first, the mac address set in the config file is unique? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/751253 Title: Many interrupts and slow disk I/O on Lucid xen guest -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
