I always just check for iommu and dmar in dmesg. You should be able to boot with intel_iommu=off ?
-- Jesse Brandeburg > On Jun 23, 2014, at 3:22 PM, "Ben Greear" <[email protected]> wrote: > > I'm trying to debug a system at a remote site. > > It is showing worse performance than expected (an E5 2.4Ghz CPU > system is having issues transmitting smoothly above about 800Mbps), > and we have seen similar things in the past when we have forgotten > to disable VT-d in the BIOS. > > Is there any way to detect it VT-d is enabled from > the linux command line? > > Thanks, > Ben > > -- > Ben Greear <[email protected]> > Candela Technologies Inc http://www.candelatech.com > > > ------------------------------------------------------------------------------ > Open source business process management suite built on Java and Eclipse > Turn processes into business applications with Bonita BPM Community Edition > Quickly connect people, data, and systems into organized workflows > Winner of BOSSIE, CODIE, OW2 and Gartner awards > http://p.sf.net/sfu/Bonitasoft > _______________________________________________ > E1000-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/e1000-devel > To learn more about Intel® Ethernet, visit > http://communities.intel.com/community/wired ------------------------------------------------------------------------------ Open source business process management suite built on Java and Eclipse Turn processes into business applications with Bonita BPM Community Edition Quickly connect people, data, and systems into organized workflows Winner of BOSSIE, CODIE, OW2 and Gartner awards http://p.sf.net/sfu/Bonitasoft _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
