Re: [Xen-devel] HVM SMP linux guest hangs in cpu_idle() with EFLAGS.IF = 1

[Gianni Tedesco <gianni.tedesco@xxxxxxxxxx>]

On Mon, 2010-07-12 at 16:44 +0100, Konrad Rzeszutek Wilk wrote:
> On Mon, Jul 12, 2010 at 04:09:36PM +0100, Gianni Tedesco wrote:
> > On Mon, 2010-07-12 at 15:04 +0100, Konrad Rzeszutek Wilk wrote:
> > > On Wed, Jul 07, 2010 at 07:42:35PM +0100, Gianni Tedesco wrote:
> > > > Hi,
> > > > 
> > > > I've spent a few weeks investigating a very reproducible guest-hangs bug
> > > > which appears to affect all hypervisors from at least 3.4.2 through 4.0
> > > > to unstable.
> > > > 
> > > > To reproduce setup an RHEL5.2 guest for kickstart network install
> > > > something like this:
> > > 
> > > Does this happen with RHEL5.4? CentOS 5.4?
> > 
> > I used the same setup to test RHEL5, RHEL5.[1234] and can only reproduce
> > on 5.1 and 5.2.
> 
> Ok, did you look in the changelog for RHEL5.3 and above. It might be
> that you are hitting a bug that was fixed.

There are several potential candidates but difficult to get further info
due to redhat bugzilla. Trying to get in touch with a relevant engineer
to confirm / falsify that theory.

Thanks


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