Stephen Bosch wrote:
François Delawarde wrote:
aaah...
I'm running asterisk in a Xen kernel, but not on a virtual machine
(DomU), only on Dom0, so it's "supposed" to be running on the physical
server (no PCI frontend device, ...). I had seen possible problems with
older versions of Xen, but only with ztdummy timing and on DomU virtual
machines. On Xen mailing list, they all advise to use a digium PCI card
to remove those problems.
You "had seen?" Did you have these problems personally, or are you going
by mailing list postings?
Sorry for not being Scottish anymore, my English is not what it used to
be a few hundred years ago. I meant that I'm mainly going by mailing
list postings.
I will test and report what happens with a normal kernel, but meanwhile
doesn't anyone know of a possible possibility to make it work with this
setting playing for example with IRQ priorities or something, or isn't
there any hope at all?
We abandoned Xen (recent versions too!) after serious interrupt problems
(it doesn't matter if you are in domU or dom0, by the way) that caused
the entire *system*, with all the VMs, to lock up *hard* whenever we
started to push significant amounts of data through anywhere, be it an
Ethernet controller or a SCSI adapter.
It is in need of a lot of work. Their efforts to commercialize it are
premature. We had to learn this hard way, unfortunately.
If you need virtualization that badly, you might want to consider going
with VMware Server, which is now freely available. My experience with
VMware has been better.
Thanks again for your help, and sorry if I was not 'that' convinced on
your first answer and sent a mail to Xen user mailing list to check if
they knew that issue (no answer yet). Now I almost believe you a lot. If
I understand well I have two options, recode Xen or abandon it. I'll
probably go for the 2nd choice and start looking at other solutions, KVM
seems to be a good choice and shouldn't interfere much with Asterisk
(again: as far as mailing lists say).
François.
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