Re: Running PV kernel on XenServer kills all VMs

[Dustin Marquess <dmarquess%gmail.com@localhost>]

I can confirm this using XenServer 5.6 & netbsd-5/201006110000Z.

-Dustin

On Fri, Jun 11, 2010 at 11:38 AM, Stephen Borrill
<netbsd%precedence.co.uk@localhost> wrote:
> I've finally worked out how to get NetBSD i386 and amd64 mostly running in
> full PV mode rather than HVM within Citrix XenServer. I say mostly running
> because the downside is that booting the VM kills networking for all other
> VMs and even stops them being able to shutdown cleanly leading to a forced
> reboot of the XenServer.
>
> dmesg on the dom0 shows:
>
> __ratelimit: 1431411 callbacks suppressed
> xen_net: Memory squeeze in netback driver.
> xen_net: Memory squeeze in netback driver.
> xen_net: Memory squeeze in netback driver.
>
> Google suggests that raising (or hardwiring) dom0_mem may help, but other
> guests don't appear to need this and it's already set to 752M.
>
> Details on switching to PV from HVM can be found at:
>
> http://www.precedence.co.uk/wiki/Support-KB-NetBSD/XenServer
>
> XenServer is free from:
> http://www.citrix.com/English/ps2/products/feature.asp?contentID=2300356
>
> --
> Stephen
>
>