Re: FreeBSD Xen Dom0 Support

2012-05-30 Thread Carsten Heesch
> A couple of nits here, alc@ fixed the PV memory restrictions so the 850M > limit isn't a thing anymore: [...] Very good to hear that my statement was wrong/outdated :) > And, I think, there is a 64bit PV config now in development at: > http://svnweb.freebsd.org/base/projects/amd64_xen_pv/ >

Re: FreeBSD Xen Dom0 Support

2012-05-30 Thread Carsten Heesch
Hi, > I answer to this mail because it's related to the discussion in this thread. > As told I have my Debian Dom0s and now I wan't to create a FreeBSD Xen PV > DomU. Does I really need a HVM guest like described here: > http://wiki.sysconfig.org.uk/display/howto/Xen+FreeBSD+8.2+DomU+%28PV%29+

Re: FreeBSD Xen Dom0 Support

2012-05-28 Thread Carsten Heesch
Hi Lukas, > [...] I don't know whether there is support for Xen Dom0 on FreeBSD. Unfortunately there isn't. > I read that NetBSD support Xen Dom0 [...] I haven't tried myself, but apparently NetBSD works rather well as Dom0. That has long been on my list of things to test, though :) Not sure

Re: FreeBSD now available on all EC2 instance types

2012-01-17 Thread Carsten Heesch
> What gave you that idea? The patches in that directory are the differences > between the 9.0-RELEASE source tree and the one I used to build the AMI. Oh, must have been wishful thinking then that it might go into FreeBSD and not remain a bunch of separate patches... :) >> The csup'ed source

Re: FreeBSD now available on all EC2 instance types

2012-01-17 Thread Carsten Heesch
> > Details at > http://www.daemonology.net/blog/2012-01-16-FreeBSD-now-on-all-EC2-instance-types.html That's fantastic news! Really great stuff, Colin, especially the support for m1.small instances! Just two questions if I may, with regards to the m1.small AMI in particular:- There's a fol

Re: Sync performance HAST and ggate/gmirror on Xen

2011-01-29 Thread Carsten Heesch
> I'm experiencing dreadful performance (sync throughput less than 1MB/sec) > with both replication options, and am not quite sure how to troubleshoot > that, because the network speed between two DomU's is otherwise well beyond > 50MB/sec. Have done some further testing. This only happens w

Re: Sync performance HAST and ggate/gmirror on Xen

2011-01-28 Thread Carsten Heesch
> > Both DomU's are running on the same physical machine (CentOS 5.5 x86_64 with > Xen 4.3.3 on Intel i7), [...] sorry, typo: Xen 3.4.3, not 4.3.3. Cheers C. ___ freebsd-xen@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/free

Sync performance HAST and ggate/gmirror on Xen

2011-01-28 Thread Carsten Heesch
a week ago), XENHVM kernel (with Janne's patch). Both DomU's are running on the same physical machine (CentOS 5.5 x86_64 with Xen 4.3.3 on Intel i7), their NICs are using the same isolated bridge on Dom0. Cheers Carsten Regards, Carsten Heesch cars...@hee

Re: I have a problem with iSCSI on AMD64 Xen HVM

2011-01-27 Thread Carsten Heesch
>> int max = 24 /* MAX_SKB_FRAGS + (rx->status <= RX_COPY_THRESHOLD) */; I've just recompiled XENHVM setting this for a quick test: > int max = MAX_SKB_FRAGS; Before, I was receiving said error message a lot; now it's gone. Also, throughput has massively increased! My test setup was:

Re: SCHED_ULE vs SCHED_4BSD for XENHVM domU

2009-10-29 Thread Carsten Heesch
Oops, sorry for posting this twice. I thought it didn't go through with the first attempt. On 29 Oct 2009, at 23:27, Carsten Heesch wrote: Hi guys, After FreeBSD 8.0-RC2 is working well (for me) on Xen 3.3.1, I somehow made an interesting observation: Even if the FreeBSD domU

SCHED_ULE vs SCHED_4BSD for XENHVM domU

2009-10-29 Thread Carsten Heesch
Hi guys, After FreeBSD 8.0-RC2 is working well (for me) on Xen 3.3.1, I somehow made an interesting observation: Even if the FreeBSD domU does absolutely nothing, each of the assigned vCPUs will be reported by xentop as using 15%-25% CPU time. It doesn't matter, if domU is running with 1

SCHED_ULE vs SCHED_4BSD for XENHVM domU

2009-10-29 Thread Carsten Heesch
Hi guys, After FreeBSD 8.0-RC2 is working well (for me) on Xen 3.3.1, I somehow made an interesting observation: Even if the FreeBSD domU does absolutely nothing, each of the assigned vCPUs will be reported by xentop as using 15%-25% CPU time. It doesn't matter, if domU is running with 1

Re: Problem: Xen 3.3.1 with FreeBSD 8.0 RC1

2009-10-27 Thread Carsten Heesch
ers to see positive feedback, while 8.0-RELEASE is coming closer :-) Cheers Carsten On 25 Oct 2009, at 00:31, Carsten Heesch wrote: I realised that it's still possible to use 8.0-BETA* as a target for freebsd-update. So I investigated a bit further. For whatever it's worth: Th

Re: Problem: Xen 3.3.1 with FreeBSD 8.0 RC1

2009-10-24 Thread Carsten Heesch
I realised that it's still possible to use 8.0-BETA* as a target for freebsd-update. So I investigated a bit further. For whatever it's worth: The problems described earlier started with BETA-4. BETA-3 is fine with both GENERIC and XENHVM kernel, except that I see this on the console and

Problem: Xen 3.3.1 with FreeBSD 8.0 RC1

2009-10-24 Thread Carsten Heesch
Hi guys, I don't know really when the bug was introduced, but maybe I can help narrowing it down. I have similar problems as others reported: Running FreeBSD 8.0-RC1 as a guest in a Xen 3.3.1 environment fails with either "kernel trap 12" in an endless loop (using amd64) or "kernel trap