Date: Mon, 28 Apr 2014 18:56:20 +0100 From: "seanrees@gmail.com" <seanrees@gmail.com> To: =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= <roger.pau@citrix.com> Cc: "freebsd-xen@freebsd.org" <freebsd-xen@freebsd.org> Subject: Re: VM in Xen 4.1; poor packet forwarding performance on xn0 Message-ID: <CAJGy1F337CrLqQubq1PBN6Xy7JoqvS42__gOcMHQnfa3MdFUGA@mail.gmail.com> In-Reply-To: <535BA152.6080300@citrix.com> References: <CAJGy1F0%2BG1zq9hVbifTM2Vq6HHEmCM9hnFvQ=4t-4d5x=npaCA@mail.gmail.com> <53567847.10203@citrix.com> <CAJGy1F3hcAXi4xh3Yd-QEoWrWuJb2%2BGfmZG1x9tVFS4Qo7ar9w@mail.gmail.com> <535BA152.6080300@citrix.com>
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Hi Roger, This is what they provided me: - The Xen 4.x node is running a custom 3.1.1 kernel. - The Xen 3.x node is running a 2.6.18 kernel. They didn't elaborate on the customisations. :( Sean On Sat, Apr 26, 2014 at 1:06 PM, Roger Pau Monn=C3=A9 <roger.pau@citrix.com= >wrote: > On 26/04/14 13:57, seanrees@gmail.com wrote: > > Hi Roger, > > > > Thanks for the patch -- sadly, it didn't work. No change. > > Hello, > > > > > I did have to modify a bit for releng/10.0; for some reason patch > > refused to apply it cleanly. It looked fairly straightforward but I > > attached inline the patch I ultimately applied below just in case I got > > it wrong. > > Patch looks fine. > > > Are there any other potential differences between Xen 3.4 and 4.1? (my > > provider migrated my problem VPS to a 3.4 host and the problem > > evaporated; I am trying this on a new 4.1 VPS that I was able to > > reproduce the problem on). > > I'm quite sure this is not related to the underlying Xen version, but to > the Linux Dom0 kernel version your provider is using, could you ask them > the Linux versions they are using on the 4.1 and 3.4 hosts? > > Roger. >
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