Re: [Xen-devel] Re: [Xen-users] Blktap in mainline kernel 3.x

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2011-11-02 at 17:12 +0000, Konrad Rzeszutek Wilk wrote:
> On Wed, Nov 02, 2011 at 12:57:04PM -0400, David Della Vecchia wrote:
> > I've had it running for about a month now with no issues, i've got 35 beta
> > tester domU's on the box and everything seems to be going swimmingly.
> > 
> > A few things to keep in mind:
> > 
> > For some reason the debian xen packages do not have pv-grub so you need to
> > acquire that elsewhere, it doesn't need to be built on your system though,
> > i downloaded mine from a forum post somewhere (i used to download the xen
> > source and compile from scratch to get it).
> > This next one isn't so much a dom0 problem as a domU one but for some
> > reason debian squeeze (stable) guests are not capable of saving and
> > restoring their state. On restore the console and/or network devices will
> 
> 
> That is the 2.6.32 kernel? Yeah, there are couple of bug-fixes floating
> around for that. Ian might know exactly which ones.

Should be fixed in 2.6.32.47, I think.

> > 
> > As far as hvm guests go, as long as you use the hvmloader from the package
> > you'll be fine, if you custom compile xen there's a good chance your
> > hvmloader will be corrupted, it has something to do with the newer version
> > of gcc, though this may have been fixed in 4.1.2.
> 
> Yeah, it was something about __main being placed in the wrong offset.
> I *hope* that has been fixed in 4.1.2.

Correct, 23104:1976adbf2b80 in xen-4.1-testing.hg is in 4.1.2.

Ian.



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