From: Diederik de Haas <didi.debian@cknow.org>
To: xen-devel@lists.xen.org
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
852324@bugs.debian.org, Jan Beulich <JBeulich@suse.com>
Subject: Re: Is: EPT violations. Was:Re: Problems with pci/vga passthrough
Date: Tue, 24 Jan 2017 19:44:48 +0100 [thread overview]
Message-ID: <55013379.QGovEA7yDG@bagend> (raw)
In-Reply-To: <ddff0e8d-a33f-98e6-969b-68ce17e86584@oracle.com>
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On dinsdag 24 januari 2017 13:28:28 CET Boris Ostrovsky wrote:
> >> Reported it at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=852324
> >> but given Ben Hutchings' reaction it seems to be a Xen problem after
> >> all.
> >>
> >> Relevant part of earlier attached dmesg:
> >>
> >> [ 13.588386] WARNING: CPU: 18 PID: 1 at
> >> /build/linux-zDY19G/linux-4.8.15/arch/x86/mm/dump_pagetables.c:225
> >> note_page+0x5e8/0x790 [ 13.588388] x86/mm: Found insecure W+X mapping
> >> at address ffff880000000000/0xffff880000000000 ...
> >> [ 13.608867] x86/mm: Checked W+X mappings: FAILED, 4602 W+X pages
> >> found.
> >
> > Now this is a know issue, but I'm pretty convinced one that's entirely
> > unrelated to your problem.
>
> I thought we fixed this. That's what is_hypervisor_range() was
> introduced for, and I haven't seen this warning since then.
When? Which commit?
Maybe it isn't (yet) in the Debian tree and/or I am using a kernel which
doesn't contain that fix.
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next prev parent reply other threads:[~2017-01-24 18:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-18 1:37 Problems with pci/vga passthrough Diederik de Haas
2017-01-18 16:20 ` Is: EPT violations. Was:Re: " Konrad Rzeszutek Wilk
2017-01-18 16:42 ` Jan Beulich
[not found] ` <1890797.J70arCvF62@bagend>
2017-01-19 8:18 ` Jan Beulich
2017-01-18 16:47 ` George Dunlap
2017-01-22 18:30 ` Diederik de Haas
2017-01-24 15:59 ` Diederik de Haas
2017-01-24 16:11 ` Jan Beulich
2017-01-24 17:24 ` Diederik de Haas
2017-01-24 18:28 ` Boris Ostrovsky
2017-01-24 18:44 ` Diederik de Haas [this message]
2017-01-24 18:51 ` Boris Ostrovsky
2017-01-24 21:43 ` Boris Ostrovsky
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