Date: Tue, 18 Jun 2013 05:45:51 +0000 From: "C. L. Martinez" <carlopmart@gmail.com> To: freebsd-questions@freebsd.org Subject: Avoid sharing interrupts in FreeBSD under ESXi Message-ID: <CAEjQA5%2Bmpkz2u3r87PXiLWaimbyh8Qftsj1Uvbm0hH5zUC3JaA@mail.gmail.com>
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HI all, I have installed a FreeBSD 8.4 vm under an ESXi 5.1 U1 server. All works ok, except for interrupt usage between mpt and nic interfaces: root@fbsdtst:~ # vmstat -i interrupt total rate irq1: atkbd0 6 0 irq6: fdc0 9 0 irq16: em2 mpt2 945924 1 irq17: em3 em6 2124484 4 irq18: em0 em4 em7+ 5950584 11 irq19: em1 em5 em8+ 2317830055 4499 cpu0: timer 206119496 400 Total 2532970558 4916 I have enabled the following options in loader.conf: hw.pci.enable_msi="0" hw.pci.enable_msix="0" without a result. Is it possible to avoid to share interrupts in FreeBSD when it is running as a vm? Exists some kernel option to resolve this (via sysctl or compiling a new kernel)? Thanks.
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