On Sun, Aug 19, 2007 at 12:31:14AM +0100, Alistair John Strachan wrote: > Hi, > > I've been using ne2k with BSD/Linux/WindowsXP just fine with > KVM-35/2.6.23-rc2, but when I try to run Vista, which doesn't support the > ne2k any more, I tried switching to the rtl8139 emulation. > > I observed that the rtl8139 emulation works fine in WindowsXP, so it's not > broken. But it does not seem to work in Vista (x86). The host is AMD64/SVM. > The way that it doesn't work is that no packets are sent/received over the > interface, so the device does not route. > > The only difference between XP and Vista's KVM startup is that for Vista I > enable ACPI (necessary to install). > > WindowsXP --> > kvm -no-reboot -localtime -no-acpi -m 256 -hda $IMAGE \ > -net nic,model=rtl8139 -net tap,script=/etc/kvm/kvm-ifup $* > > Vista --> > kvm -no-reboot -localtime -m 512 -hda $IMAGE \ > -net nic,model=rtl8139 -net tap,script=/etc/kvm/kvm-ifup $* > > The problem seems to be similar to a QEMU endian bug from some time ago, but > I > don't think that's the problem here. It looks like it's some sort of > incompatibility between Vista and the rtl8139 emulation.
The rtl8139 driver was fixed in upstream QEMU a week or two back - it was calculating checksums incorrectly which Vista didn't like. The patch needs to be applied to KVM too... Dan. -- |=- Red Hat, Engineering, Emerging Technologies, Boston. +1 978 392 2496 -=| |=- Perl modules: http://search.cpan.org/~danberr/ -=| |=- Projects: http://freshmeat.net/~danielpb/ -=| |=- GnuPG: 7D3B9505 F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 -=| ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
