Bug#651914: linux-image-2.6.32-5-xen-amd64: Poor IPv6 performance from Xen guest; GSO-related?

2011-12-12 Thread Andy Smith
Package: linux-2.6 Version: 2.6.32-38 Severity: important Tags: ipv6 I have three squeeze servers running: ii linux-image-2.6.32-5-xen-amd64 2.6.32-38 Linux 2.6.32 for 64-bit PCs, Xen dom0 support All three servers have Intel gigabit NICs, but one server uses the e1000e driver and the

Bug#651914: linux-image-2.6.32-5-xen-amd64: Poor IPv6 performance from Xen guest; GSO-related?

2011-12-12 Thread Andy Smith
On Tue, Dec 13, 2011 at 05:23:23AM +, Andy Smith wrote: > What I'm noticing is the occasional incorrect checksum and "ICMPv6 > packet too big" messages seen above around 23:59:00.672905 and > 23:59:01.240946 after a packet of length 2856. These do not occur > on the server with the e1000e driv