[tip:x86/debug] x86/kdump: No need to disable ioapic/ lapic in crash path

[Don Zickus]

On Mon, Feb 13, 2012 at 08:52:19AM -0800, Yinghai Lu wrote:
> On Mon, Feb 13, 2012 at 7:28 AM, Don Zickus <dzickus at redhat.com> wrote:
> > On Sat, Feb 11, 2012 at 05:04:15PM -0800, Yinghai Lu wrote:
> >> >
> >> > v2: removed the disable lapic code too
> >>
> >> with this commit, kdump is not working anymore on my setups with
> >> Nehalem, Westmere, sandbridge.
> >> these setup all have VT-d enabled.
> >
> > Hi Yinghai,
> >
> > Thanks for the report.  Can you attach the .config you were using and what
> > vendor you were using for Nehalem, Westmere and Sandybridge.  I'll try to
> > reproduce it in my lab.
> 
> Sure, please check attached one

For some reason using gzip instead of xz makes things work for me with
your config.

CONFIG_KERNEL_GZIP=y
CONFIG_KERNEL_XZ=n

Do you see the same thing?

Cheers,
Don