Date: Mon, 22 Jun 2015 19:24:02 -0700 From: Neel Natu <neelnatu@gmail.com> To: Andriy Gapon <avg@freebsd.org> Cc: Peter Grehan <grehan@freebsd.org>, "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org> Subject: Re: dtrace fbt vs vmm Message-ID: <CAFgRE9Gr_fxK1_hLp9h_v6VHJG8B_a_hdwF1N1X6-ceRzYGV8g@mail.gmail.com> In-Reply-To: <55883537.3030400@FreeBSD.org> References: <5588317C.8020203@FreeBSD.org> <558832E8.9080407@freebsd.org> <55883537.3030400@FreeBSD.org>
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Hi Andriy, On Mon, Jun 22, 2015 at 9:17 AM, Andriy Gapon <avg@freebsd.org> wrote: > On 22/06/2015 19:08, Peter Grehan wrote: >> Hi Andriy, >> >>> I haven't investigated this issue further, but if there are any unsafe functions >>> in vmm it would be nice to blacklist them in the fbt code. >>> Perhaps blacklisting everything from vmm module could be a stopgap solution. >> >> Intel or AMD ? We've been able to run dtrace on Intel; less (to no) coverage on >> AMD so there's quite possibly bugs there. > > Peter, > > it's AMD again. > Thanks! > This was an issue with 'svm_launch()' FBT tracing and is fixed in r284712. Details are in the commit message: https://svnweb.freebsd.org/base?view=revision&revision=284712 best Neel > -- > Andriy Gapon > _______________________________________________ > freebsd-virtualization@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization > To unsubscribe, send any mail to "freebsd-virtualization-unsubscribe@freebsd.org"
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