Re: crash on boot with 4.6.1 on fedora 24

[Kevin Moraga <kmoragas@riseup.net>]

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On 05/09/2016 04:08 AM, Jan Beulich wrote:
>>>> On 09.05.16 at 00:51, <kmoragas@riseup.net> wrote:
>> I'm try to compile kernel 4.4.8 (using fedora 23) to run with Xen 4.6.0
>> and Intel Skylake processor (Intel Core i7-6600U)
>>
>> This kernel is crashing almost in the same way as explained in this
>> thread... But my problem is mainly with Skylake. Because the same
>> configuration works within another machine but with another processor
>> (Intel Core i5-3340M). Attached are the boot logs.
> The address the fault occurs on (ffff8000006bdee0) is bogus, so
> from the register and stack dump alone I don't think we can derive
> much. What we'd need is access to the kernel binary used (or
> really the vmlinux accompanying the vmlinuz that was used), in
> order to see where exactly the kernel died, and hence where this
> bogus address originates from. As I understand it this is a kernel
> you built yourself - can you make said binary from exactly that
> build available somewhere? 
Yes I have it. But I get the same crash on various 4.4.X and also with
4.5.3.

**https://drive.google.com/open?id=0B6Ol0ob95UxXQV9HM1BWMmhCZ0E

Also I compiled 4.2.28 / 4.1.X and it works fine with this processor,
using i915.preliminary_hw_support, but we are experiencing problems with
suspend/wakeup (but that's another story)

> Or if you don't have it anymore, obtain
> fresh logs for whichever binary you're going to make available?
>
> Jan

Also there are more reports about the same crash with this kernel
compiled by someone else: 
**http://yum.qubes-os.org/r3.1/unstable/dom0/fc20/rpm/kernel-4.4.8-9.pvops.qubes.x86_64.rpm

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