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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Kevin Moraga <kmoragas@riseup.net>, xen-devel@lists.xen.org
Subject: Re: crash on boot with 4.6.1 on fedora 24
Date: Mon, 9 May 2016 08:23:23 +0100	[thread overview]
Message-ID: <a5fc5e34-54a1-8454-b41a-867a60ee9de3@citrix.com> (raw)
In-Reply-To: <572FC2F9.3060200@riseup.net>

On 08/05/2016 23:51, Kevin Moraga wrote:
> Hi,
> I don't know if this is the exact same issue... but is the most related
> one that I found.
>
> 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.
>
> A kernel configuration could be found in:
>
> https://github.com/marmarek/qubes-linux-kernel devel-4.4 branch
>
>
> I don't know if anybody else is having this issue.

Can you try booting Xen with "xsave=0" on the command line.

I notice dom0 found:

[    0.000000] x86/fpu: Supporting XSAVE feature 0x08: 'MPX bounds
registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x10: 'MPX CSR'

And there sadly usually bugs like this when PV guest kernels start using
new cpu features.

~Andrew

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  reply	other threads:[~2016-05-09  7:23 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-08 22:51 crash on boot with 4.6.1 on fedora 24 Kevin Moraga
2016-05-09  7:23 ` Andrew Cooper [this message]
2016-05-09 10:05   ` Jan Beulich
2016-05-09 10:08 ` Jan Beulich
2016-05-09 14:52   ` Kevin Moraga
2016-05-09 15:53     ` Jan Beulich
2016-05-09 16:40       ` Kevin Moraga
2016-05-09 17:15         ` Boris Ostrovsky
2016-05-09 17:22           ` Kevin Moraga
2016-05-09 18:40             ` Boris Ostrovsky
2016-05-10  7:23               ` Jan Beulich
2016-05-10 13:39                 ` Boris Ostrovsky
2016-05-10 13:57                   ` Jan Beulich
2016-05-10 15:19                     ` Juergen Gross
2016-05-10 15:35                       ` Jan Beulich
     [not found]                       ` <57321BFA02000078000EA3C2@suse.com>
2016-05-10 15:43                         ` Juergen Gross
2016-05-10 16:35                           ` Boris Ostrovsky
2016-05-11  5:49                             ` Juergen Gross
2016-05-11  6:35                               ` Jan Beulich
     [not found]                               ` <5732EEBF02000078000EA613@suse.com>
2016-05-11  7:00                                 ` Juergen Gross
2016-05-11  7:15                                   ` Jan Beulich
     [not found]                                   ` <5732F83D02000078000EA6A2@suse.com>
2016-05-11  9:57                                     ` Juergen Gross
2016-05-11 10:03                                       ` Jan Beulich
     [not found]                                       ` <57331FA002000078000EA831@suse.com>
2016-05-11 10:10                                         ` Juergen Gross
2016-05-11 12:09                                           ` Jan Beulich
2016-05-11 10:16                                   ` David Vrabel
2016-05-11 12:21                                     ` Jan Beulich
2016-05-11 12:48                                       ` David Vrabel
2016-05-11 13:13                                         ` Jan Beulich
2016-05-11 13:15                                         ` Juergen Gross
2016-05-17 15:11                                     ` David Vrabel
2016-05-17 20:58                                       ` Kevin Moraga
2016-05-26 10:24                                       ` David Vrabel
2016-05-26 14:05                                         ` Boris Ostrovsky
2016-05-26 15:24                                           ` David Vrabel
2016-06-01 16:12                                         ` Martin Cerveny
2016-06-01 16:23                                           ` Martin Cerveny
2016-06-01 19:32                                             ` Boris Ostrovsky
2016-06-01 21:01                                               ` Martin Cerveny
2016-06-01 22:37                                                 ` Boris Ostrovsky
2016-06-02  6:04                                                   ` Martin Cerveny
2016-06-02 13:15                                                     ` Martin Cerveny
2016-06-02  9:54                                           ` David Vrabel
2016-05-10 16:11                 ` Kevin Moraga
2016-05-10 20:11                   ` Boris Ostrovsky
2016-05-12  4:52                     ` Kevin Moraga
  -- strict thread matches above, loose matches on Subject: below --
2016-03-28 17:00 Michael Young
2016-03-29 10:07 ` Jan Beulich
2016-03-29 17:50 ` Konrad Rzeszutek Wilk

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