Re: [Xen-users] Slow network speed with Xen 3.2-1
On Fri, Sep 11, 2009 at 3:46 PM, Brent Verner <firstname.lastname@example.org> wrote:
> I had a similar problem and the solution was to disable checksum
> offloading in the domU.
> sh# ethtool -K eth0 tx off
i tried this before but it didn't work. :(
Any other idea?
> You can add this to your /etc/network/interfaces, too..
> post-up ethtool -K eth0 tx off
> I also had to disable this in my dom0 for dhcp to work...
> On Thu, Sep 10, 2009 at 2:19 PM, virtualroot <email@example.com> wrote:
>> I'm getting a slow network speed (download/upload) domU and dom0
>> limits in 10kbps/20kbps.
>> Booting a kernel without Xen, this doesnt happens
>> (network-script network-bridge)
>> (vif-script vif-bridge)
>> (dom0-min-mem 196)
>> (dom0-cpus 0)
>> cat /etc/xen/XXX.cfg
>> kernel = '/boot/vmlinuz-2.6.26-1-xen-amd64'
>> ramdisk = '/boot/initrd.img-2.6.26-1-xen-amd64'
>> memory = '2048'
>> vcpus = '4'
>> root = '/dev/sda2 ro'
>> disk = [
>> name = 'XXX'
>> vif = [ 'ip=190.228.X.X,mac=00:16:3E:37:17:9A' ]
>> root = "/dev/sda2 ro noapic acpi=off nopcmcia noagp nobluetooth"
>> extra = "3 xencons=tty"
>> on_poweroff = 'destroy'
>> on_reboot = 'restart'
>> on_crash = 'restart'
>> I use Debian 5.0.2 kernel 2.6.26-1-xen-amd64
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