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Date: Tue, 06 Mar 2012 17:13:31 -0800 From: John Stultz <john.stultz@...aro.org> To: Sasha Levin <levinsasha928@...il.com> Cc: Dave Jones <davej@...hat.com>, Fedora Kernel Team <kernel-team@...oraproject.org>, Linux Kernel <linux-kernel@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de> Subject: Re: WARNING: Adjusting tsc more then 11% On Mon, 2012-03-05 at 22:36 +0200, Sasha Levin wrote: > On Mon, Mar 5, 2012 at 10:27 PM, John Stultz <john.stultz@...aro.org> wrote: > > On Mon, 2012-03-05 at 22:16 +0200, Sasha Levin wrote: > >> On Mon, Mar 5, 2012 at 9:57 PM, Dave Jones <davej@...hat.com> wrote: > >> > On Mon, Mar 05, 2012 at 11:50:10AM -0800, John Stultz wrote: > >> > > >> > > So it would be great to get further feedback from folks who are seeing > >> > > this warning, so we can really hammer this out, but I don't want the > >> > > warning spooking anyone into thinking things are terribly broken. > >> > > >> > One of the reports was from someone using vbox. I'm now wondering if > >> > the other users are using some other flavour of virt. I'll ask. > >> > >> I've reported this issue with regards to KVM before > >> (http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/85632) but > >> according to this thread it's not really KVM specific. > >> > >> It's easily reproducible using Dave's trinity running inside a KVM guest. > > > > Great! Do you have a link to trinity? (Google just gives me a video of > > its use and links to various churches) > > Sure, the git tree is here: codemonkey.org.uk/projects/trinity/trinity.git > > Basically just start 2*vcpu instances of trinity inside the guest and > wait a bit. So I left trinity running in a 2vcpu kvm guest for ~5 hours and haven't seen anything yet. Could you send me a .config for the guest kernel and maybe your kvm command line? Also, it shouldn't really matter, but are the guests 32bit or 64bit? thanks -john -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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