From: Borislav Petkov <bp@alien8.de>
To: Andrey Korolyov <andrey@xdel.ru>
Cc: Marc Haber <mh+linux-kernel@zugschlus.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
kvm ML <kvm@vger.kernel.org>
Subject: Re: Major KVM issues with kernel 4.5 on the host
Date: Sun, 20 Mar 2016 19:58:13 +0100 [thread overview]
Message-ID: <20160320185813.GG4230@pd.tnic> (raw)
In-Reply-To: <CABYiri8XMThPtHgs4rNqjwcu5zzPrg88WJdGXfPSUdMTGpEfAw@mail.gmail.com>
On Sun, Mar 20, 2016 at 09:42:15PM +0300, Andrey Korolyov wrote:
> Yes, I suggested that the issue could fall over a different family as
> well to expose explicit corruption of a guest pages (as opposed to a
> generic corruption in a known case).
Probably, but I don't think it is microcode patch related.
> Since there is no direct evidence of what exactly (data or pgt) is
> getting corrupted, would disabling npt for a testing purposes be
> helpful?
So I'm not sure what even happens here yet. I haven't seen anything out
of the ordinary in Marc's dmesg and I wasn't able to reproduce either.
So would it be good to try with "npt=0"? Sure, why not.
Marc, you could give that a try to see if it changes anything...
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
next prev parent reply other threads:[~2016-03-20 18:58 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-17 16:54 Major KVM issues with kernel 4.5 on the host Marc Haber
2016-03-17 18:11 ` Borislav Petkov
2016-03-18 10:01 ` Paolo Bonzini
2016-04-13 18:37 ` Marc Haber
2016-04-13 20:36 ` Paolo Bonzini
2016-04-13 20:52 ` Marc Haber
2016-04-13 22:29 ` Marc Haber
2016-04-14 1:16 ` Paolo Bonzini
2016-04-14 5:22 ` Marc Haber
2016-04-21 8:39 ` Marc Haber
2016-04-21 12:37 ` Borislav Petkov
2016-04-21 14:50 ` Marc Haber
2016-04-21 16:51 ` Borislav Petkov
2016-04-21 20:04 ` Marc Haber
2016-04-23 16:04 ` Borislav Petkov
2016-04-23 18:43 ` Marc Haber
2016-04-23 18:52 ` Dr. David Alan Gilbert
2016-05-12 20:20 ` transparent huge pages breaks KVM on AMD Marc Haber
2016-05-12 20:24 ` Kirill A. Shutemov
2016-05-12 20:34 ` Marc Haber
2016-05-12 20:42 ` Kirill A. Shutemov
2016-05-13 5:23 ` Marc Haber
2016-05-13 8:07 ` Borislav Petkov
2016-05-13 8:09 ` Borislav Petkov
2016-05-13 13:21 ` Marc Haber
2016-05-13 16:08 ` Borislav Petkov
2016-05-14 6:19 ` Marc Haber
2016-05-13 9:08 ` Marc Haber
2016-05-13 9:19 ` Borislav Petkov
2016-05-13 14:59 ` Marc Haber
2016-05-13 8:35 ` Dr. David Alan Gilbert
2016-05-13 14:03 ` Marc Haber
2016-04-23 23:57 ` Major KVM issues with kernel 4.5 on the host Borislav Petkov
2016-04-14 6:07 ` Marc Haber
2016-04-14 16:47 ` Marc Haber
2016-04-14 17:30 ` Paolo Bonzini
2016-04-14 17:47 ` Marc Haber
2016-03-18 18:49 ` Marc Haber
2016-03-18 22:04 ` Borislav Petkov
2016-03-19 0:08 ` Marc Haber
2016-03-20 13:31 ` Borislav Petkov
2016-03-20 17:14 ` Andrey Korolyov
2016-03-20 18:25 ` Borislav Petkov
2016-03-20 18:42 ` Andrey Korolyov
2016-03-20 18:58 ` Borislav Petkov [this message]
2016-04-13 18:22 ` Marc Haber
2016-04-13 20:37 ` Paolo Bonzini
2016-04-13 18:20 ` Marc Haber
2016-03-21 9:08 ` Paolo Bonzini
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