[Xen-ia64-devel] Re: [patch 0/7] Kexec: EFI Mapping: Take III

[Simon Horman <horms@xxxxxxxxxxxx>]

On Wed, Oct 31, 2007 at 11:50:39AM -0600, Alex Williamson wrote:
> 
> On Wed, 2007-10-31 at 18:00 +0900, Simon Horman wrote:
> > I've been unable to reproduce this problem on my RX2620 with the default
> > config (which includes the E1000 driver), so unfortunately I think you
> > will have to do some testing for me. Hopefully this won't take too many
> > round trips.
> > 
> > Below is a rather long patch which does two things:
> [snip]
> > 
> >    (XEN) EFI memory fault addr=0xe00000407fff0010 kr2=0x020202020c020202
> > 
> > If you could send me the boot log, or at the very least the lines that
> > look like the one above, that should tell me something interesting.
> > Your kernel config may also be interesting if it deviates from the
> > default config significantly.
> 
> Hi Simon,
> 
>    Well, unfortunately, I didn't see any of those and it fails the same
> way with the patch.  I am using the default build config.  I also tried
> testing on an rx2600 to see if I could figure out how to make it fail,
> (un)fortunately it failed right away.  Something seems wrong with SAL
> calls on that system, so it never even finds any I/O devices.  I'm
> attaching the broken boot log and a good boot log without this series
> applied for comparison.  The rx2600 is running system firmware 2.31 (the
> latest available) in cause you have one sitting around to test with.
> 
>    On the rx6600, the failing address falls within a memory mapped I/O
> range with runtime mappings in the EFI MDT.  As a test, I used the old
> uncached offset for these mappings, and that does allow the rx6600 to
> boot to dom0.  BTW, there are a lot of build warnings introduced by the
> header changes that need to get cleaned up.  Let me know if you can
> reproduce either of these or send me more test cases to try.  Thanks,

Thanks, I'll scrach my head a bit and get back to you.

-- 
Horms
  H: http://www.vergenet.net/~horms/
  W: http://www.valinux.co.jp/en/


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