2012/6/4 Charles.Tsai-蔡清海-研究�l展部 <charles.t...@cloudena.com>: > Yes, I saw that page too. But our current kernel version meets the kernel > requirement. > Why do we need to upgrade it? I mean maybe the virtio drivers you installed in your VM is unstable. Virtio is implemented as a kernel module, so if you upgrade your kernel, maybe this problem can be fixed.
It's just a suggestion. > > -----Original Message----- > From: Dunrong Huang [mailto:riegama...@gmail.com] > Sent: Monday, June 04, 2012 2:26 PM > To: Charles.Tsai-蔡清海-研究�l展部 > Cc: qemu-devel@nongnu.org > Subject: Re: [Qemu-devel] VirtIO Net driver for Ubuntu 11.10 > > 2012/6/4 Charles.Tsai-蔡清海-研究�l展部 <charles.t...@cloudena.com>: >> I am just curious about this issue. Is there any document mentioning the >> lowest version of the kernel to be supported by VirtIO? >> > See http://www.linux-kvm.org/page/Virtio >> >> -----Original Message----- >> From: Dunrong Huang [mailto:riegama...@gmail.com] >> Sent: Monday, June 04, 2012 2:17 PM >> To: Charles.Tsai-蔡清海-研究�l展部 >> Cc: qemu-devel@nongnu.org >> Subject: Re: [Qemu-devel] VirtIO Net driver for Ubuntu 11.10 >> >> 2012/6/4 Charles.Tsai-蔡清海-研究�l展部 <charles.t...@cloudena.com>: >>> The kernel version is 3.0.0.12 >>> The Qemu version is 1.0.0(we upgraded it) >>> >>> What version of kernel do we need to upgrade? >> The latest version is v3.4, so you can try and upgrade to v3.1, v3.2 or >> v3.3, and test it. >>> >>> -----Original Message----- >>> From: mathslinux [mailto:riegama...@gmail.com] >>> Sent: Monday, June 04, 2012 2:03 PM >>> To: Charles.Tsai-蔡清海-研究�l展部 >>> Cc: qemu-devel@nongnu.org >>> Subject: Re: [Qemu-devel] VirtIO Net driver for Ubuntu 11.10 >>> >>> Charles.Tsai-蔡清海-研究�l展部 <charles.t...@cloudena.com> writes: >>> >>>> We recently ran an Ubuntu 11.10 VM which was installed with VirtIO NIC >>>> driver. The VirtIO net driver came from the Ubuntu's default package. The >>>> VM we installed was configured as a bridge mode. When we ran the Iperf >>>> test against the VM, the network interface of the VM was fairly unstable. >>>> Sometimes, the network interface of the VM could not receive the packets >>>> and we needed to bright the network interface down and up in order to make >>>> it work. After we replaced the VirtIo Net driver with ne2k driver and it >>>> worked quite stably now. >>>> >>>> We know that the performance of virtIO is much better than ne2k in virtual >>>> environment. We would like to use virtio driver instead. If this is the >>>> virtio driver issue, can you tell us where to get the latest virtIO driver >>>> for Ubuntu VM? Otherwise, tell us how to make the virtio net driver work >>>> in Ubuntu VM if you have ever had similar issue before. >>>> >>>> The version of Qemu installed in Ubuntu is 0.14.1. >>>> >>> The virtio driver is implemented in the guest operating system, it's a >>> kernel module, so what is your kernel version? Maybe you need a kernel of >>> higher version. >> >> -- linuxer and emacser and pythoner living in beijing blog: http://mathslinux.org twitter: https://twitter.com/mathslinux google+: https://plus.google.com/118129852578326338750
