Re: 2.6.26-rc8 pv_ops causes Unhandled invalid opcode fault/trap

["Christopher S. Aker" <caker@theshore.net>]

Jeremy Fitzhardinge wrote:
> Is this consistent or sporadic?  

Consistently fails to boot, across a few test boxes, slightly different 
Xen versions -- all around Xen 3.2.1, same config.

> Does it depend on how much guest memory you give it?

No.  Tried with 128, 360, 5000.  They all fail in the same way.

> What was the last kernel version which worked?

I built a 2.6.25.10 pv_ops this morning and it boots fine.

> Were there any other errors/warnings printed here?

Nope.  Just some whitespace.

>> (XEN) traps.c:413:d332 Unhandled invalid opcode fault/trap [#6] on 
>> VCPU 0 [ec=0000]
>> (XEN) domain_crash_sync called from entry.S
>> (XEN) Domain 332 (vcpu#0) crashed on cpu#0:
>> (XEN) ----[ Xen-3.2.1-rc5  x86_64  debug=y  Not tainted ]----
>> (XEN) CPU:    0
>> (XEN) RIP:    e019:[<00000000c0103b55>]
> 
> Could you decode this to see which function this corresponds to?

I'd love to know how for future reference, but for now I've placed the 
files here:

http://www.theshore.net/~caker/xen/pvops-bug1/

Thanks,
-Chris